The company "Aermec S.p.a" has become known in Russia thanks to its ventilation and climate control equipment. The history of the company began back in 1960, in Italy. The brand has rightfully won the status of one of the leaders among European brands. The quality of all manufactured products is guaranteed through multi-stage factory testing and running-in of manufactured equipment.
Throughout the world, the brand is represented exclusively by official dealers, which allows you to control the quality of goods from the moment of shipment until connection at the customer’s site. Considering that Aermec S.p.a, in addition to additional equipment, also produces original spare parts, the service life of the installations is beyond doubt.
The manufacturer pays attention not only to the quality of components, but also to the design of all series of air conditioning systems. The main suppliers of spare parts for Aermek air conditioners are Alfa Laval, Bitzer, Carel, Danfoss. Line design developments applicable to split systems belong to the design bureau “Italy Design”. Thus, all products from Aermek have become the true embodiment of a combination of high technology and external elegance.
Main lines of air conditioners
The manufacturer is constantly expanding and improving its line of devices for air conditioning, ventilation and refrigeration systems. The company's catalog presents buyers with:
- air- and water-cooled refrigerating machines;
- fan coils (fan coils), duct coils;
- high power central air conditioners;
- precision climate control systems;
- unit type air conditioners with central fan and water cooling.
- non-autonomous air conditioners for duct climate systems.
Without exception, all devices supplied to Russia undergo ROSTEST certification. In addition, the company is a member of the Eurovent (European License Agreement), which is confirmed by the presence of an international certificate - ISO9001.
Semi-industrial and domestic chillers
Chillers are used to heat or cool a coolant fluid. Such devices from Aermec are installed in a central air conditioner, for example, in an air handling unit or fan coil unit. They are produced in several power options, which makes it possible to install the air conditioner at such facilities as:
- city apartments of increased area;
- private houses and town houses;
- office multi-storey buildings and hypermarkets.
In addition, the chiller effectively cools any liquids (water, drinks, etc.), which is indispensable in Food Industry. Such devices have found application in the maintenance of sports facilities, as they maintain the surface of skating rinks and ice fields in ideal condition, as well as in pharmaceuticals, as they provide optimal temperature when storing a special category of medicines.
Chiller models differ in power, size and purpose. The device is distinguished by the following specifications:
- equipped with a built-in controller;
- suitable for connection to a wired control panel;
- equipped with original components.
Regardless of the model, each device is a well-thought-out, reliable design that represents a ready-made technical solution, regardless of operating conditions and expected loads.
Multifunctional fan coil units
Fan coils are indoor units used to supply coolant or coolant with further distribution throughout the room. The mode installed on the device allows you to distribute heat or cold throughout the object by passing air through the built-in fan. Considering the variety of modern fan coil units, the following types can be distinguished:
- Duct multisplit, characterized by the absence of a housing in the indoor unit. They are mounted in a suspended ceiling with further connection to an extensive network of air ducts, thereby providing air conditioning for several rooms at once.
- Cassette devices for industrial use with increased power. Available in two assembly options: with multi-speed or inverter compressor.
- Classic wall-mounted split systems.
Duct multisplit systems are significantly higher in price than other models of systems, but they allow you to serve several rooms at once. Various the lineup installations allows you to choose exactly the type of fan coil that will ideally fit into the interior and structure of the building. It is possible to maintain a comfortable temperature in the rooms by connecting either one powerful unit to several rooms at once, or the required number of separate units to each room.
Precision air conditioners
In another way, precision air conditioners are called cabinet air conditioners. Such air conditioning systems are designed to provide heat and the necessary humidity in the room. Most often, Aermec precision air conditioners are installed to create a microclimate in special-purpose facilities. The internal cabinet unit prepares the air for its supply. The units are ideal for servicing communication centers, server rooms, pharmaceutical production, museums and workshops with sensitive electronics.
Using a precision system, we provide:
- precise temperature parameters and its maintenance;
- required humidity level;
- thorough air purification and protection from harmful impurities;
- uninterrupted operation of the device at excessively elevated external temperatures: up to +45°C.
Precision devices are designed to long term service life (15-20 years) even with increased daily load.
Central air conditioning systems
Central climate control systems from Aermek are designed to serve industrial buildings. They cope with larger areas than standard multisplits, as a result of which they are more often installed in administrative and commercial buildings, in swimming pools and industrial enterprises. They are used to maintain the ideal microclimate of either one large or several rooms with a smaller area (concert halls, indoor stadiums and sports complexes). Central air conditioners are modular designs. Thus, it is possible to select an individual installation option depending on the technical features of the structure.
Often, central units are created by the manufacturer taking into account the specific design requirements of the customer. In addition, individual configuration of each unit is possible. Modern central split systems are supplied with a whole set of modules. Each modular block is designed to perform a specific function. Depending on the structural features and topography of the premises, it is possible to develop a unique central-type air conditioning system.
Comparison of characteristics of popular models
| Technical specifications | Model name | ||
| EWI091H | RS0DF07BE | FCA64-64R | |
| Cooling power, W | 2640 | 2400 | 4900 |
| Heating power, W | 3100 | 2640 | 3900 |
| Cooling consumption, W | 780 | 558 | 1050 |
| Heating consumption, W | 730 | 628 | 1150 |
| Maximum air flow, m3\min | 8,6 | 6,2 | 88 |
| Drying mode, l/hour | 0,7 | 0,45 | 2,1 |
| Maximum noise level, dB | 39 | 52 | 54,5 |
Instructions for the control panel and Aermec air conditioners
For each model of Aermec air conditioners, accessible instructions are provided. In this user manual, the buyer will be able to learn:
- detailed description and technical characteristics of the purchased model;
- diagrams of the internal structure of blocks and modules;
- methods of installation and installation of all structural elements;
- algorithm correct connection devices.
The user manual also includes recommendations and precautions for safe use systems. Since most climate control devices are controlled using remote device, then in the manual you can also familiarize yourself with the values on the remote control for the air conditioner for further adjustment of the operating mode.
Aermec air conditioner error codes
All air conditioner models from Aermek are equipped with a highly efficient self-diagnosis system. Any malfunctions that occur are accurately identified as error codes. The Aermec air conditioner is capable of not only independently detecting a breakdown by displaying it on the display as an error code, but also helping to correct it correctly by recognizing the code.
REMOTE CONTROLS OPERATING INSTRUCTIONS
CONTENTS MAIN COMPONENTS AND CONTROLS.................................................................... ..........3 DISPLAY INDICATION..................................... ........................................................ ...............3HANDLE THE REMOTE CONTROL.................................... ........................................................ ...........................4REPLACING BATTERIES..................... ........................................................ ........................................4LOCATION OF THE REMOTE... ........................................................ ........................................................ 5 OPERATION WITH THE REMOTE CONTROL................................................... ........................................................ ....................6BASIC FUNCTIONS.................................. ........................................................ ................................6 TURBO MODE................... ........................................................ ........................................................ .......8ONE HOUR TIMER.................................... ........................................................ ................9TIMER SHUTDOWN................................. ........................................................ .................10START BY TIMER.................................... ........................................................ ...................12TL3 SIGNAL RECEIPT/TRANSMITTING SYSTEM .............................. ........................................14ECA/FCA-R REMOTE CONTROLS .... ........................................................ ........................................................ .............152
MAIN COMPONENTS AND CONTROLS1 – infrared signal transmitter2 – liquid crystal display3 – on/off button4 – temperature control buttons5 – display button6 – PLUSMACLUSTER mode button7 – off timer By one-hour timer8 – mode selection button9 – timer programming button10 – ventilation mode button11 – shutdown button By timer12 – automatic shutter movement button13 – cancel button14 – TURBO mode button ( By full power)15 – reset button INDICATION ON DISPLAY16 – operating mode symbols: - automatic mode - heating - cooling - air drying3
17 - TURBO mode symbol 18 - PLASMACLUSTER mode symbol 19 - ventilation mode symbols: - automatically - manually 20 - temperature and timer countdown indication 21 - signal transmission indication 22 - on/off timer operation indication (on/off) HANDLING THE REMOTE BATTERY REPLACEMENT The remote control is used By Two alkaline batteries are used By high capacity voltage 1.5 V type LR 03 (AAA). To replace batteries, slide the housing cover located on the back of the remote control and open it. Insert the batteries into their designated locations, observing By polarity. If the batteries are inserted correctly, the display will show By straight lines will appear (see illustration above). Replace the housing cover. Press the reset button on the remote control By the power of some thin object. Notes Under normal conditions, the batteries last for one year operation remote control Always change both batteries at once, which must be identical.4
If By After replacing the batteries, the remote control does not work, press the reset button, for which By any thin object is being used. If the remote control is not in front By supposed to be used By use for a long time, remove the batteries. REMOTE LOCATION When operation The remote control is directed towards the infrared signal receiver of the device it controls, and then the desired buttons are pressed. When the managed device By the remote control signal is heard sound signal. Make sure there are no curtains or other obstructions in the signal path. The maximum signal transmission distance is 7 meters. ATTENTION! Don't let By direct sunlight shining on the infrared signal receiver: this may cause malfunctions in the control process. If the light By the receiver falls, close the window curtains. Turning on the ultraviolet germicidal lamp in By moving can lead to failure in the exchange of signals. Interference with the control signals emitted by the remote control can be caused by remote controls for TVs, VCRs and other electronic devices. Don't leave the remote control By d exposure to direct sunlight or near heating devices. Don't let By moisture falling on the remote control, not By open the remote control to the blows. The listed factors can lead to discoloration of the housing and mechanical By damage.5
OPERATION WITH REMOTE MAIN FUNCTIONS1. Press the operating mode selection button the required number of times to set the desired mode. The modes change cyclically as follows By row: automatic mode → heating → cooling → air drying, etc.: 2. Press the on/off button to start the air conditioner. The red operation indicator will light up.3. WITH By with the power of the kno By To adjust the temperature, set the desired air temperature.6
Auto mode/ air drying In these modes, the temperature is adjusted in steps of 1 ° C ranging from a value of 2 ° C Above to a value of 2 ° C lower than the air temperature automatically set by the control system. Notes regarding the automatic control mode In this mode, the air temperature is automatically selected depending on the temperature that occurred in By location when the air conditioner is turned on. Modes and temperature setting Temperature in By location at start-up Automatic control Mode Set temperature below 21 o C heating 23 o From 21 o C to 24 o C air drying Temperature in By displacement at start-up from 24 ° C to 26 ° C cooling 24 ° C 26 ° C to 28 ° C cooling 25 ° C Over 28 ° C cooling 26 ° COOLING/heating In these modes, the temperature is set in the range from 18 to 32 ° C.4. Press the ventilation mode button the required number of times to set the desired ventilation intensity. The ventilation intensity changes cyclically as follows: By row: automatic selection → “soft” ventilation → low speed → high speed, etc.:5. Press the on/off button to start the air conditioner. The red operation indicator will light up7
TURBO MODE In this mode, the air conditioner operates with maximum performance at a given air temperature of 18 o C in cooling mode or 32 o C in heating mode. This achieves the fastest possible cooling or heating of the air in By displacement. The TURBO function does not apply to the air drying mode.1. Press the TURBO mode button while the air conditioner is operating. On display By a symbol will appear. The temperature indication will disappear from the display. To cancel TURBO mode, press the button 1 more time. TURBO mode is canceled when the operating mode is changed or the air conditioner is turned off. Notes When the TYRBO function is activated, the air temperature and ventilation intensity cannot be changed manually. To cancel the TURBO mode indication on the display, press the button.8
ONE HOUR TIMERWhen the one hour timer is activated, the air conditioner automatically turns off By after one hour of work.1. Press the power off button By one hour timer. On display By indication will appear. The yellow timer indicator on the air conditioner will light up. After one hour, the air conditioner will automatically turn off. To cancel this mode, press the CANCEL button. Yellow timer indicator By goes off.Instead of canceling the mode, you can turn off the air conditioner with By with the power of the on/off button. The red air conditioner indicator and the yellow timer indicator will go out. Notes The one-hour timer has priority By in relation to the on/off timer (see below). If the one-hour timer is activated when the air conditioner is turned off, the air conditioner will operate for one hour at the previously set mode. If you want the air conditioner to run for one more hour, press the one-hour timer button again before the one-hour timer goes off.9
TIMER OFF This function is used to turn off the air conditioner at a specified time. The duration of the shutdown timer is set in minimum increments of By lhour (30 minutes) and the maximum is 12 hours. Up to a duration of 9.5 hours, the operating time of the air conditioner changes in minimal steps (30 minutes), from 10 to 12 hours - in steps of 1 hour.1. Point the remote control towards the signal receiver on the air conditioner, press the off button By timer indicated by the symbol and set the desired shutdown time. Each time the button is pressed, the shutdown time changes cyclically as follows By row: To quickly change the shutdown time, the button must be held down. The yellow timer indicator on the air conditioner will light up. At By When a signal is received from the remote control, a beep will sound. The indication of the set operating time on the display will begin to count down, By indicating the time remaining until shutdown. Note: The remaining operating time display only works if the set operating time exceeds 2.5 hours.10
Disabling Notes By timerWhen used By Use the shutdown function By timer, the set air temperature is automatically changed so as to prevent overheating or overcooling of the air in By position, for example during sleep (auto sleep function). Cooling/drying After one hour By After the timer starts counting down, the set air temperature is automatically By increases by 1 o C By relative to the previous value. Heating After one hour By After the timer starts counting down, the set air temperature is automatically set 3 ° C lower than the previously set value. To cancel the shutdown mode By The timer needs to press the CANCEL button. The yellow timer indicator will turn off. To change the shutdown time, press the shutdown button By timer and set the desired time.11
TIMER ON This function is used to turn on the air conditioner at a specified time. The duration of the on timer is set in a minimum step of By lhour (30 minutes) and the maximum is 12 hours. Up to a duration of 9.5 hours, the air conditioner switching time changes in minimal steps (30 minutes), from 10 to 12 hours - in 1 hour steps.1. Point the remote control towards the signal receiver on the air conditioner, press the power button By timer indicated by the symbol and set the desired start time. Each time the button is pressed, the on time changes cyclically as follows: By row: To quickly change the on time, the button must be held down. The yellow timer indicator on the air conditioner will light up. At By When a signal is received from the remote control, a beep will sound. The set on time indication on the display will begin to count down, By indicating the time remaining before switching on. Note. The time display only works if there are no more than 6.5 hours left before switching on.12
Operating mode, temperature and ventilation intensity are set according to your By desires. If in power-on mode By The timer is set to the desired air temperature, on the display By The set temperature value will appear, and after 5 seconds the time remaining until switching on will be displayed. If the previously set temperature value does not change, the air conditioner will start operating at this previous value. Notes on setting the time and operating mode Previously set on or off time By The timer is saved in the remote control memory and appears on the display the next time you press the button. By to enable/disable By timer. On and off modes By the timer cannot be used By Use simultaneously. The mode that was selected is valid By last. When the one-hour timer is activated, the on/off functions By the timer is disabled. If the one-hour timer mode is activated while the on/off timers are running, the on and off modes By the timer is canceled.13
TL3 SIGNAL RECEIPT/TRANSMITTING SYSTEMThe signal receiving/transmission system consists of a remote control remote control and an infrared signal receiver mounted behind By face on the wall By room. The receiver is connected by a cable 8 m long to the terminal device of the air conditioning system. It is housed in a standard rectangular three-module case type 503 (the receiver occupies only one module, the rest are used By used for other purposes). The case is equipped with an external decorative panel in white. If a second TL3 system is installed, the second receiver By connected in parallel with the first one By using the supplied 8 m cable. Do not install infrared receivers in areas where By exposed to direct sunlight. AUX button (sun By powerful function)This button is used ByBy allows you to start the air conditioner only in automatic control mode or turn off the air conditioner. When starting in automatic mode, the microprocessor of the control system automatically selects the operating mode depending on the air temperature in By displacement and then By supports By constant temperature and ventilation intensity. Diagram By connectionsMore By Refer to the instructions supplied with the command devices for further details.14
ECA/FCA-R CONTROLSAdjustment of air direction By current (GLA-R)During cooling operation in summer, air By the flow of cold air coming from the air conditioner should not be directed towards those in By displacement of people. When working on heating By air flow, not By means By falling on people can create an unpleasant feeling of draft and cause a feeling of discomfort, even if the temperature By current higher than the air temperature in By displacement. The position of the air dampers in heating mode, opened 20 o. The position of the air dampers in cooling mode, opened 10 o. When the dampers are closed, ventilation mode By-still possible.15
Light indicators and everything By main controlsA – yellow timer operation LED Illuminates when the timer is running. B – AUX button (all By optional control function)Is By Used when the remote control does not work. She By allows you to start the air conditioner only in automatic control mode or turn off the air conditioner. When starting in automatic mode, the microprocessor of the control system automatically selects the operating mode depending on the air temperature in By displacement, and then By supports By temperature and ventilation intensity are constant. C – red LED indicating air conditioner operation Lights up when the air conditioner is operating for heating. C – blue LED indicating air conditioner operation Lights up when the air conditioner is operating for cooling. D – signal receiver Receives signals By stepping from the remote control. LED indication16
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Transcript
1 Cassette air conditioner Aermec FCA series. OPERATING MANUAL, TECHNICAL DESCRIPTION AND INSTALLATION INSTRUCTIONS.
2 COMPLIANCE WITH STANDARDS AERMEC is responsible for ensuring that the FCA and FCA-R series fan coils comply with the following standards and regulations. Equipment standard 89/392 CEE with additions 91/368 CEE - 93/44 EEC - 93/68 EEC. Standard 73/23 EEC for low voltage equipment. Instruction EN Fan coils FCA and FCA-R with additional equipment The use of fan coils of this type in combination with additional equipment not supplied by AERMEC is not permitted unless this equipment is certified to comply with the above standards and regulations. Commercial Director of AERMEC Luigi ZUCCHI 2
3 CONTENTS GENERAL INFORMATION...4 TRANSPORTATION...4 DESCRIPTION OF THE FAN CLOSER...5 FUNCTIONS OF THE FAN CLOSER...7 ELECTROSTATIC AIR FILTER...9 TECHNICAL CHARACTERISTICS...11 TECHNICAL DATA...11 COOLING CAPACITY... 13 CORRECTION FACTORS FOR COOLING CAPACITY...15 PRESSURE DROP IN THREE-ROW HEAT EXCHANGER...16 HEATING CAPACITY (THREE-ROW HEAT EXCHANGER)...17 PRESSURE DROP IN THREE-ROW HEAT EXCHANGER...18 HEAT PROPERTIES CAPACITY (SINGLE ROW HEAT EXCHANGER)...19 SINGLE ROW HEAT EXCHANGER PRESSURE DROP ...20 CORRECTION FACTORS WHEN WORKING WITH AQUEOUS GLYCOL SOLUTION (COOLING MODE)...21 CORRECTION FACTORS WHEN WORKING WITH AQUEOUS GLYCOL SOLUTION (HEATING MODE)...22 SOUND PRESSURE LEVEL, db(a)...23 ACOUSTIC LEVEL CZECH POWER, dB...23 FORM OF DELIVERY...24 OPERATING CONDITIONS...24 INSTALLATION OPERATIONS AND MAINTENANCE...26 INSTALLATION OF A FAN CLOSER...26 INSTALLATION OPERATIONS...29 DIMENSIONS...33 MAINTENANCE.. .38 ADJUSTING THE DIRECTION OF AIR FLOW...39 SUPPLYING FRESH AIR TO THE ROOM...40 SUPPLYING CONDITIONED AIR TO THE NEXT ROOM...41 POSITION OF MICROSWITCHES...41 ADDITIONAL EQUIPMENT...43 ELECTRICAL DIAGRAMS
4 GENERAL INFORMATION Important Notes Store this manual in a dry place where it cannot be damaged. Keep the instructions for at least ten years, as you may need them throughout the life of the fan coil. Please read these instructions carefully and make sure that the information contained in it is well understood by you. Pay special attention to those positions that are marked with the words “Danger!” and “Attention!” Failure to follow these instructions may result in personal injury or property damage. If a breakdown occurs that is not described in these instructions, contact AERMEC immediately. The equipment must be installed so that repair and maintenance operations are not impeded. The warranty on fan coil units does not cover the cost of lifting and handling equipment required for installation operations. AERMEC is not responsible for material or other damage caused by incorrect operation of the equipment, or by complete or partial violation of the provisions of these instructions. TRANSPORTATION Do not allow the packaging to get wet. Do not stand on the packaging with your feet. Do not allow the packaging to fall during transportation. 4
5 When storing equipment, pay attention to the location of the arrows indicating the correct orientation of the packages and control the number of packages in the stack. Do not lift loads weighing more than 35 kg alone. DANGER SYMBOLS Danger: High Voltage! Danger: moving mechanisms! Danger! DESCRIPTION OF FAN CLOSER Purpose Cassette-type fan coils are designed to supply air to the room regardless of the time of year. The closer is installed on suspended ceiling. It is possible to supply fresh outside air, as well as service not only the room in which the fan coil is located, but also to the adjacent room. Design features Four-speed axial-centrifugal fan unit. Extremely low noise level. Attractive external grille design. Grill size to match standard ceiling panels. Constant operation of the fan, ensuring uniform air characteristics throughout the room. Possibility of supplying fresh outside air. Possibility of supplying conditioned air to the adjacent room. Easy to install and maintain. 5
6 Electrostatic precipitator with self-regenerating electrical charge, featuring high efficiency, low pressure drop and class 2 fire rating (UL900 standard). Easy to change and clean the filter. Cooling/heating changeover valve as standard. Full compliance with safety regulations. Standard sizes Fan coils of the FCA and FCA-R series have the following standard sizes. Three sizes for two-pipe systems: FCA 32 FCA 32 R FCA 42 FCA 42 R FCA 62 FCA 62 R Three sizes for four-pipe systems: FCA 34 FCA 34R FCA 44 FCA 44 R FCA 64 FCA 64 R FCA modifications: without control panel. Closers of this type must be equipped with a wall-mounted control panel, supplied separately, which allows you to choose modifications with an electromechanical or electronic thermostat, as well as with variable fan speed. The position of the grille air dampers can be adjusted manually. The use of the GLA grille included in the accessory kit is mandatory. FCA-R: with electronic card for receiving infrared signals from the remote control. In this case, the following options are available for controlling the operation of the fan coil. Turn on/off from the remote control. Switch on/off using the AUX toggle switch on the closer frame. Switching on/off according to a given program. Indication of operating parameters on the liquid crystal display of the remote control. 6
7 Setting the desired air temperature in the room (in the range from 18 to 32 o C in increments of 1 o C). Change the ventilation intensity (automatically - maximum - average - minimum speed). Operating mode selection: cooling, heating, air drying, automatic mode. Controlling the operation of a resistor electric heater (if any). Seasonal changes in regimes. Control of the operation of a three-position valve. Checking the operation of the drainage pump. Four-pipe systems must be retrofitted with a second valve in the hot water circuit (code VHA1 in the list of additional equipment). The position of the air dampers can be adjusted manually. The GLA-R grille, included in the optional equipment list, is also equipped with a remote control system and does not require separate commands to control its operation. FUNCTIONS OF A FAN CLOSER Modification FCA The fan coil in the FCA modification is controlled from the control panel. Operating instructions are supplied with the control panel. Modification FCA-R The fan coil in the FCA-R modification is equipped with an electronic card that receives infrared signals from the remote control (see above). The operating instructions are supplied with the FCA-R door closer. Signal Receiver (GLA-R) The optional GLA-R features an infrared control receiver, LED indicators and an auxiliary control unit (AUX) to start or stop the fan coil when the remote control is not available. Remote control (GLA-R) 7
8 The remote control included with the GLA-R equipment allows you to set all operating parameters, which are also displayed on the liquid crystal display, which greatly simplifies the control process. The ultra remote control is powered by two R 03 AAA batteries with a voltage of 1.5 V. To set the operating parameters of the closer from the remote control, it must be directed towards the infrared signal receiver (located on the frame of the closer). If communication with the fan coil is established, a short beep sounds and the LEDs on the receiving unit begin to flash quickly. For stable signal exchange between the fan coil and the remote control there should be no obstacles such as pieces of furniture, curtains, etc. The maximum distance for receiving and transmitting signals is 7 m. Automatic mode If the remote control is set to AUTO mode or the fan coil is started from Using the AUX toggle switch of the GLA-R device in this mode, the microprocessor automatically selects the operating mode - cooling, heating or dehumidification - depending on the characteristics of the air in the room. The system also automatically sets the desired air temperature and fan speed. Rice. 1 Heating mode If the heating mode is selected from the remote control, the fan coil operates so that the room temperature matches the value set from the remote control. For the heating mode to be possible, it is necessary that heated water circulates in the hydraulic circuit and/or the system is equipped with an electric heater (included in the list of additional equipment). Cooling mode If the cooling mode is selected from the remote control, the fan coil operates so that the air temperature value is 8
9 room coincided with the value set from the remote control. In order for the cooling mode to be possible, chilled water must circulate in the hydraulic circuit. Dry mode When the dry mode is selected from the remote control, the fan coil operates to reduce the moisture content in the air. This is achieved by automatically adjusting the fan speed. In order for the drying mode to be possible, cooled water must circulate in the hydraulic circuit. On/off program From the remote control you can set the delay time for turning on or off the fan coil within the range from half an hour to twelve hours. If the power is lost, this function will be interrupted and the set delay time will be lost. Fan speed If AUTO mode is selected during cooling or heating operation, the microprocessor automatically reduces the fan speed as the room temperature approaches the set temperature. In heating mode, the fan rotation may stop altogether. In air drying mode, the fan speed is adjusted automatically and cannot be changed manually. Power failure If the power supply fails, the fan coil will stop operating. When power is restored, the closer automatically starts with the same operating parameters that existed before the power was turned off. ELECTROSTATIC AIR FILTER The electrostatic filter has a Class 2 fire rating (UL 900 standard). The filter is supplied in a separate sealed package together with the GLA and GLA-R grilles. The packaging is opened immediately before installing the filter. The filter design makes it easy to install and dismantle. 9
10 In addition to the usual properties of a mechanical filter, an electrostatic air filter has the ability to attract dust particles, which significantly improves the quality of air purification (see Fig. 2). The electrostatic charge possessed by the filter runs out two years after the package is opened. After this period, it continues to work like a regular mechanical filter. Therefore, it is recommended to replace the filter after two years of operation of the fan coil, which can be ordered from your AERMEC representative. Frequently cleaning the filter, using a vacuum cleaner to remove dust, or rinsing the filter with water or a detergent solution significantly accelerates the loss of electrostatic charge. AERMEC High Efficiency FCA Filter Conventional Filter for Fan Coils 10
11 TECHNICAL SPECIFICATIONS TECHNICAL DATA Table 1 Power supply: 230 V (± 10%), single phase, 50 Hz EUROVENT Certification The specifications stated apply to the following conditions. Heating: inlet water temperature 70 o C; inlet air temperature 20 o C; water temperature difference t = 10 o C (maximum speed). Cooling: inlet water temperature 7 o C; inlet air temperature 27 o C (dry bulb), 19 o C (wet bulb); water temperature difference t = 5 o C (maximum speed). Sound pressure measured in a test chamber with a volume of 85 m 3 with a reverberation time of 0.5 s. eleven
12 Table 2 Power supply: 230 V (± 10%), single-phase, 50 Hz EUROVENT certification The specifications given apply to the following conditions. Heating: inlet water temperature 70 o C; inlet air temperature 20 o C; water temperature difference t = 10 o C (maximum speed). Cooling: inlet water temperature 7 o C; inlet air temperature 27 o C (dry bulb), 19 o C (wet bulb); water temperature difference t = 5 o C (maximum speed). Sound pressure measured in a test chamber with a volume of 85 m 3 with a reverberation time of 0.5 s. 12
13 COOLING CAPACITY (maximum speed) Table 3A 13
14 Table 3B 14
15 Note The numbers in bold lines are nominal performance values. Apparent capacity values greater than full capacity are considered to be in cooling mode without dehumidification. In this case, you should only pay attention to the explicit performance values. COOLING CAPACITY CORRECTION FACTORS The cooling capacities shown in Tables 3A and 3B correspond to the maximum fan speed. The performance corresponding to a different speed is obtained by multiplying these values by the appropriate correction factors. Model FCA FCA FCA Average Speed Full Performance 0.89 0.80 0.80 Explicit Performance 0.89 0.83 0.83 Minimum Speed Full Performance 0.79 0.69 0.69 Explicit Performance 0.75 0.69 0 ,69 Note Apparent capacity values greater than full capacity values refer to cooling mode without dehumidification. In this case, you should only pay attention to the explicit performance values. 15
16 PRESSURE DROP IN THREE-ROW HEAT EXCHANGER (COOLING MODE) The pressure drop values shown in the graphs correspond to an average water temperature of 10 o C. The table below shows the correction factors by which these values should be multiplied at other average water temperatures. Average water temperature, o C Correction factor 1.03 1 0.96 0.91 16
17 HEATING CAPACITY (THREE-ROW HEAT EXCHANGER) Specific heating output * To obtain the total heating output, you need to multiply the specific heating output by the temperature difference between water and air entering the system. Correction factors for heating output The given heating output values correspond to the maximum fan speed. For other speeds these values should be multiplied by the appropriate correction factors. Model FCA 32 FCA 42 FCA 62 Average speed 0.90 0.85 0.85 Minimum speed 0.76 0.69 0.69 17
18 PRESSURE DROP IN A THREE-ROW HEAT EXCHANGER (HEATING MODE) The pressure drop values shown in the graphs correspond to an average water temperature of 65 o C. The table below shows the correction factors by which these values should be multiplied at other average water temperatures. Average water temperature, o C Correction factor 1.06 1.02 0.98 18
19 HEATING CAPACITY (SINGLE ROW HEAT EXCHANGER) Specific heating output * To obtain the total heating output, you need to multiply the specific heating output by the temperature difference between water and air entering the system. Correction factors for heating output The given heating output values correspond to the maximum fan speed. For other speeds these values should be multiplied by the appropriate correction factors. Model FCA 32 FCA 42 FCA 62 Average speed 0.91 0.92 0.92 Minimum speed 0.79 0.82 0.82 19
20 PRESSURE DROP IN SINGLE ROW HEAT EXCHANGER (HEATING MODE) The pressure drop values shown in the graphs correspond to an average water temperature of 65 o C. The table below shows the correction factors by which these values should be multiplied at other average water temperatures. Average water temperature, o C Correction factor 1.06 1.02 0.98 20
21 CORRECTION FACTORS WHEN WORKING WITH AQUEOUS GLYCOL SOLUTION (COOLING MODE) 21
22 CORRECTION FACTORS WHEN WORKING WITH AQUEOUS GLYCOL SOLUTION (HEATING MODE) 22
23 SOUND PRESSURE LEVEL, db(a) * The table shows acoustic power values, weighted according to method A and corresponding to measurements in a chamber with a volume of 85 m 3 with a reverberation time Tr = 0.5 s. ACOUSTIC POWER LEVEL, db 23
24 FORM OF DELIVERY Cassette-type fan coils are supplied in standard packaging made of polystyrene foam and reinforced cardboard. OPERATING CONDITIONS Maximum inlet water temperature: 80 o C. Maximum operating pressure: 8 bar. Maximum installation height above floor level: 3 m. The installation location must satisfy the following conditions: ambient temperature range 0 - 45 o C, maximum relative humidity 85%. The FCA series cassette fan coils are powered from an alternating single-phase voltage of 230 V (± 10%) with a frequency of 50 Hz with a grounding bus. If a fan coil operates for an extended period of time for cooling in a high-moisture environment, condensation may accumulate on the outlet grille, where it can fall onto the floor or objects in the room. To avoid this, the average chilled water temperature should not be lower than the limits shown in the table below for various air temperatures. The figures given correspond to the minimum fan speed. When working with water heated to a high temperature, the fan coil may produce sounds resembling crackling. This is a consequence of different expansion coefficients when heated for metal and plastic parts. However, differences in expansion rates will not cause the fan coil to fail unless the temperature is outside the above limits. 24
25 Water consumption for fan coils with heat exchangers various types 25
26 INSTALLATION OPERATIONS AND MAINTENANCE INSTALLING A FAN CLOSER ATTENTION! Before starting any work, you must take care of personal protective equipment. ATTENTION! Before starting any work, make sure that the power supply is turned off. ATTENTION! All electrical work, as well as the installation of fan coils and additional equipment, is carried out by qualified personnel who have experience in the installation and maintenance of refrigeration equipment and air conditioning systems, as well as checking the correct and safe operation of the installed equipment. In particular, the necessary test operations include: measuring the insulation resistance of the electrical components of the system; checking the conductivity of grounding bars. Below are instructions for installation operations. However, some final decisions due to the specifics specific system, are left to the qualified personnel responsible for installing the equipment. It is prohibited to install fan coils in places where flammable gases, as well as acid or alkali vapors may be present in the air. Otherwise, damage to the aluminum and copper parts of the heat exchanger or internal parts of the closer made of plastic may occur. If possible, try to place the fan coil in the middle part of the room; in this case, thanks to adjustable air dampers, the air will be distributed most evenly throughout the room. When working for cooling, the best position of the air dampers is one that ensures layers of cooled air “stick” to the ceiling. Below, in Fig. 19 shows the optimal position of the deflector dampers corresponding to the heating modes (opening 20 o) and cooling (10 o). However, intermediate and fully closed damper positions are also possible. In the latter case, thanks to the special shape of the dampers, air still enters the room. Adjusting the air flow allows you to achieve optimal air distribution throughout the room. The fan coil should not be installed at a height exceeding three meters (see Fig. 8). 26
27 FCA series closers can be connected to a fresh air duct, as well as to a conditioned air supply system to an adjacent room. To interface with air ducts, a metal flange with a diameter of 100 mm is offered as additional equipment (coded KFA), which provides a tight connection to the polystyrene base of the closer. Installation instructions are included with the flange. CONNECTING CONNECTING CABLES AND PIPES The water circuit piping, drain piping and connecting cables are connected to the fan coil. Electrical installation work The fan coil is connected directly to the building's electrical network or to a separate power line. The FCA series cassette fan coils are powered from an alternating single-phase voltage of 230 V (± 10%) with a frequency of 50 Hz with a grounding bus. To protect against short circuit The power line must be equipped with a multi-pole thermal circuit breaker rated at 2 A and 250 V (IG), with a minimum distance between open contacts of 3 mm. If the power line is laid in a special box or channel, a cable of type H07 V-K or N07 V-K with 450/750 V insulation is used. When laying the power line externally, a cable with double insulation of type H5VV-F is used. When connecting cables, you must follow the instructions supplied with the equipment, as well as the instructions in this manual. Four-speed fan coils have several alternative connection patterns to the control panel depending on which three of the four possible speeds are selected. Connecting the pipelines of the water circulation circuit The connecting elements of the hydraulic circuit of the FCA fan coil have the following characteristics (see Fig. 2): - connection to the heated/cooled water main: 3/4"", gas, with internal thread, flat flange and sealing gasket; 27
28 - connection to the heated/cooled water main (models FCA 34, 44, 64): 1/2"", gas, hole with a flat flange and sealing gasket. Only the gaskets supplied with the fan coils may be used. For four pipe systems, the valve included in the accessory list (code VHA1) must be used. The valve is also supplied with gaskets and installation instructions. The inlet and outlet water pipelines must be of the same size, corresponding to the capacity of the system. To prevent heat loss and moisture condensation, pipelines must have thermal insulation. Connecting the drainage system In cooling mode, moisture from the air condenses inside the fan coil. To drain condensate, the drainage hole of the closer (having a diameter of 16 mm) must be connected to the drainage system. The hole (SCT, Fig. 12) provided in the polystyrene pan allows water to be completely drained from the fan coil housing, which can be useful during dismantling operations. During normal use, this hole should be closed with the plug made of rubber-like material included in the delivery. To prevent substances with an unpleasant odor from entering the room air, it is recommended to equip the drainage system with a siphon. The fan coil is equipped with a special level adjustment system that ensures the level of liquid in the drain pan required for draining. This system includes a switching unit, an electric pump and a float mechanism with a three-level sensor (three levels of liquid correspond to the commands for turning on the pump, turning off the pump and alarm). The power supply to the level control system is never turned off. If the float mechanism is in an alarm state (one hundred corresponds to a liquid level in the pan of 16 mm), the water supply to the heat exchanger stops, but air ventilation continues. The pan has a drain hole to prevent it from overflowing in the event of a failure of the level control system. In this case, water flows out drop by drop from the closer grille. The drainage pump ensures that water rises to a height of 80 cm relative to the level of the suspended ceiling (see Fig. 13). If this height is not enough, there is special additional equipment that ensures the operation of the drainage system at greater height differences. 28
29 In the drainage system, it is recommended to use a tube made of rigid material with thermal insulation to prevent moisture condensation on the surface of the tube. Connecting a fresh air duct An air duct that supplies fresh air from outside the room can be connected to the fan coil. For this purpose, use a special flange with a diameter of 100 mm (code designation KFA in the list of additional equipment). It connects to the corresponding hole in the closer (R in Fig. 2). The process of supplying fresh air to the room is described in more detail in one of the following sections of this manual. Connecting an air duct to supply conditioned air to an adjacent room You can connect an air duct to the fan coil to supply conditioned air to an adjacent room. For this purpose, use a special flange with a diameter of 100 mm (code designation KFA in the list of additional equipment). It connects to the corresponding hole in the closer (M in Fig. 2). The process of supplying air to the adjacent room is described in more detail in one of the following sections of this instruction. INSTALLATION OPERATIONS Installation of the fan coil is carried out in the following order. Open the cardboard packaging of the fan coil and remove the packaging material that protects the fan coil from damage from the top side. Remove the polystyrene housing (Fig. 4). (The housing is not screwed to the closer.) Carefully remove the closer from the package. When lifting operations, do not apply force to the pipe connections (Fig. 5). For FCA-R models: remove the electronics unit by loosening the two screws (Fig. 6B). Remove the clamp attached to the closer body with four self-tapping screws (Fig. 7). If necessary, install additional equipment on the fan coil: electric heaters, flanges for coupling with fresh air ducts 29
30 air and air supply to the adjacent room. These operations must be performed before installing the closer on the ceiling. Select the location for installing the fan coil, taking into account the configuration of the room, its architectural features and the total number of fan coils that are supposed to be installed in the room. Make sure that the selected location allows you to remove the ceiling panels that provide access to the closer, which is necessary for its installation and maintenance (Fig. 8). Install four mounting rods with M8 threads on the ceiling to which the closer frame is attached. Lift the fan coil by its brackets and, holding it in a slightly inclined position, secure the frame to the mounting rods using eight nuts, four of which are self-locking (Fig. 8). Alternately tightening the nuts, adjust the installation height of the closer. Make sure it is installed horizontally. Connect the pipelines of the water circulation circuit, located in the interceiling space, to the fan coil. Connect the pipelines in accordance with the provisions of these instructions. Connect the drainage pipe to the closer. Connect the drainage pipe in accordance with the provisions of these instructions. Connect the power line and control cable to the fan coil in accordance with the provisions of these instructions. Select three fan speeds from the four available. Connect the cables to the appropriate terminals and then proceed necessary connections in accordance with the attached electrical diagrams. If you intend to use an electronic control panel, ensure that the panel's microswitches are set to the correct settings for the system configuration. Otherwise, set the switches to the desired position according to the instructions included with the control panel. Before installing the drain pan, bleed the air from the heat exchangers (Fig. 9). For FCA-R models: If an electronic control panel is to be used, ensure that the panel's microswitches are set to the correct position for the system configuration. Otherwise, set the switches to 30
31 desired position according to the instructions supplied with the control panel. Before installing the closer housing, bleed the air from the heat exchangers (Fig. 9). Align the corners of the closer with the corresponding corners of the body and attach the body to the heat exchanger brackets using bolts (Fig. 10). ATTENTION! The maximum tightening torque for the screws is 0.45 Nm. Do not use electric screwdrivers with uncalibrated force. Otherwise, mechanical damage to the drain pan may occur. Attach the clapper to the body, aligning it properly with the plane of the body (Fig. 12). For FCA-R models: secure the electronics unit inside the housing using two screws (Fig. 12). For FCA-R models: connect the existing connecting cables to the electronics unit (from the GLA-R infrared signal receiver, air temperature sensor, valve motor, electric heater and water temperature sensor, if equipped). Installing the GLA and GLA-R grilles (their use is mandatory) Open the packaging of the GLA and GLA-R grilles, the air exhaust system frame and the air intake unit (assembled); Remove the grilles from the packaging and make sure that they have not been damaged during transportation. Remove the air intake grille by turning the two fasteners a quarter turn. Open the sealed packaging of the electrostatic filter and insert it into the air intake grille according to the included instructions. To install the frame, align the hooks on the frame with the corresponding holders on the clamp and secure it with the four screws provided (Figure 14). Make sure that the frame is oriented correctly: the slot through which the AERMEC lettering is visible should be closer to the SCT hole. The frame guarantees hermetically sealed isolation of the air intake and the air supply system to the premises from each other, therefore, when installing it, it is necessary to ensure that it is not damaged, skewed or bent. For FCA-R models: connect the receiver connecting cable to the electronics unit connector (Fig. 15). Install the air intake grille, hanging it from the hinges on the frame; install safety wires. 31
32 Close the air intake grille and secure it in two places by turning the fasteners half a turn (the fasteners are located on the side opposite the hinges). Adjust the position of the fan coil using the nuts and ensure that the frame is in a horizontal position and slightly pressed against the suspended ceiling. For FCA-R models: Insert the supplied batteries into the remote control. Start the fan and carry out the test operations described in the fan coil operating instructions. Electrostatic Air Filter The electrostatic filter has a Class 2 fire rating (UL 900 standard). The filter is supplied in a separate sealed package together with the GLA and GLA-R grilles. The packaging is opened immediately before installing the filter. The filter design makes it easy to install and dismantle. In addition to the usual properties of a mechanical filter, an electrostatic air filter has the ability to attract dust particles, which significantly improves the quality of air purification (see Fig. 3). The electrostatic charge possessed by the filter runs out two years after the package is opened. After this period, it continues to work like a regular mechanical filter. Therefore, it is recommended to replace the filter after two years of operation of the fan coil, which can be ordered from your AERMEC representative. Frequently cleaning the filter, using a vacuum cleaner to remove dust (Fig. 18), and washing the filter with water or a detergent solution significantly accelerates the loss of electrostatic charge. Installing a fan coil near a room wall If the fan coil is installed close to a wall, the corresponding air outlet grille can be closed using the supplied plug. 32
33 DIMENSIONS (all dimensions in mm) 33
34 Fig. 4 Pipe connections (2) = (FCA 32/34-42/44-62/64) standard coil inlet (3/4" F) (4) = (FCA) hot water coil inlet (1/2" F) SC = drainage hole (pipe, 16 mm) SCT = hole for complete drainage of condensate (E) = connection point for connecting cables (M) = connection point for the air duct to supply air to the adjacent room (R) = connection point for the fresh air duct 34
35 35
36 36
37 37
38 MAINTENANCE During normal use Maintenance The operation of a fan coil boils down to periodic cleaning of the filter, for which it is necessary to remove it from the housing of the fan coil and then reinstall it in place. Before accessing the internal parts of the fan coil, the power supply must be turned off. To access the fan and electric motor, simply open the grille and remove the clamp. To dismantle the FCA and FCA-R fan coils, it is necessary to remove the GLA or GLA-R grilles, the clamp and the polystyrene housing (to completely empty the drain pan, remove the plug from the SCT hole). For FCA-R models, the electronics unit must also be removed. To bleed air from the system, unscrew the bleeder screw and wait until water begins to flow out, after which the screw should be tightened. (Closers designed for use in four-pipe systems have two air bleed fittings.) To drain water from the heat exchangers, access the inside of the fan coil by removing the housing, disconnect the fan coil from the water circuit, and then open the drain valve and the vent fitting. bleeding air. (Closers designed for use in four-pipe systems have two air bleeds and two drain valves.) If condensation accumulates too quickly, drain the drain pan by opening the SCT port, and then troubleshoot the problem. Operation Operating instructions are included with the FCA and FCA-R fan coil units. 38
39 ADJUSTING THE DIRECTION OF AIR FLOW Position of the air dampers in heating mode (opening angle 20 o) Position of the air dampers in cooling mode (opening angle 10 o) Ventilation is possible even if the dampers are closed 39
40 SUPPLYING FRESH AIR TO THE ROOM Special openings available in the base of the fan coil housing allow connecting the fresh air supply duct and the air duct for supplying conditioned air to the adjacent room. The hole through which fresh air is supplied from outside the room is covered with a plastic cover that is easy to remove. To connect the air duct through which fresh air is supplied, a special flange is used (KFA in the list of additional equipment), which is attached to the plastic base of the closer with four supplied screws. The duct material must withstand temperatures up to 80 ° C for a long time. The duct can be flexible (made of polyester reinforced with a steel spiral) or rigid, made of corrugated aluminum. To prevent moisture condensation, it is necessary to provide thermal insulation of the air ducts, for which a fiberglass coating with a thickness of mm is used. Upon completion of installation operations, surfaces not yet covered with insulating material should also be insulated with 6 mm thick neoprene foam. To compensate for the pressure drop caused by an additional vent, duct, filter, etc., the fan must have sufficient capacity. During winter operation with outside air ventilation, it is recommended to install a thermostat to protect the system from freezing. Such a thermostat can be set to a temperature of 2 o C, and its sensitive element should be located near the pipeline that removes water from the fan coil. When the thermostat is activated, the additional fan should turn off. Fresh air consumption should not be more than 10% of the total volume of air entering the room. Otherwise, the performance of the fan coil may not be sufficient and the noise level may also increase. To prevent contamination of the heat exchanger by dust or fallen leaves, the external duct opening through which fresh air is supplied to the fan coil should be equipped with a mechanical filter that can be easily cleaned. In addition, a filter at the inlet end of the duct eliminates the need for a damper to close the duct during non-operating periods. 40
41 SUPPLYING CONDITIONED AIR TO THE NEXT ROOM To supply air to the adjacent room, it is necessary to block the outlet located at the base of the fan coil using the insulating tape supplied with the KFA flange. Once the hole is closed, install the KFA flange and secure it using the four supplied screws, then cut into the polystyrene base of the closer according to the marked outline and shape of the flange. When doing this, care must be taken not to damage the parts underneath the cutout. The part of the air outlet grille that corresponds to the location of the flange must be closed with the plug supplied with the KFA flange. In the wall separating the room in which the fan coil is installed and the one adjacent to it, it is necessary to provide a hole for the air duct. To ventilate the adjacent room, air ducts of the same type are used as in the case of supplying fresh outside air. POSITION OF MICROSWITCHES Switching of microswitches located inside the thermostat is carried out by qualified specialists during installation operations. The power supply must be turned off. The combination of two positions (ON/OFF) of different microswitches corresponds to different functions of the fan coil. SW 1 Switch 1 (default - OFF) Resistor control: - integral mode - OFF; - replacement mode - ON. Switch 2 (default - OFF) Presence of electric heater: - absent - OFF; - present - ON. Switch 3 (default is OFF) System Type: 41
42 - two-pipe - OFF; - four-pipe - ON. Switch 4 (default - OFF) Set at the factory. Switch 5 (default - OFF) Location of the water temperature sensor: - on the heat exchanger - OFF; - after the valve - ON. Switch 6 (default - OFF) Ventilation mode: - continuous ventilation - OFF; - at the command of the heating thermostat - ON. Switch 7 (default - ON) Set at the factory (ON). Switch 8 (default - ON) Set at the factory (ON). SW 2 Switch 1 (default - OFF) Set at the factory. Switch 2 (default - OFF) Set at the factory. Switch 3 (default - OFF) Set at the factory. Switch 4 (default - OFF) Set at the factory. Switch 5 (default - OFF) Set at the factory. Switch 6 (default - OFF) Set at the factory. Switch 7 (default - OFF) Set at the factory. Switch 8 (default - ON) Set at the factory. 42
43 ACCESSORIES GLA. Air intake grille and air supply to the room. The use of a grille is mandatory as FCA fan coil units are supplied without a grille. GLA-R. Air intake grille and air supply to the room with a remote control signal receiver. The use of a grille is mandatory since FCA-R fan coils are supplied without a grille. K.F.A. A set of equipment including a metal flange with a diameter of 100 mm for connecting a fresh air duct or an air duct for supplying conditioned air to an adjacent room. PCT2. Control panel with electromechanical thermostat for two-pipe systems with thermostat-controlled ventilation (FCA models only). PCT3. Control panel with electromechanical thermostat for two-pipe systems with constant ventilation (FCA models only). PCT4. Control panel with electromechanical thermostat for four-pipe systems (FCA models only). RH. Control panel with speed switch (FCA models only). PXL2E. Control panel with electronic thermostat mounted on the wall of the room (only for FCA models). PXL4. Control panel with electronic thermostat for 4-pipe or resistive heater systems (FCA models only). RXC. Electric heater. SW3. Temperature sensor for thermostat PXL2E, used when water temperatures are above 35 o C. VHA1. Three-position valve with electric drive for heating coil in four-pipe systems. The use of a valve for four-pipe systems is mandatory. 43
44 Accessory Compatibility The illustrations below show appearance additional equipment of various types. 44
45 45
46 46
47 47
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