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COMFORT-AIRE FCA18 series, Owner'S And Installer'S Manual

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COMFORT-AIRE FCA18 series Owner'S And Installer'S Manual Download Page 21

 

20 

LEDS 

 
There are 3 LED lights labeled as Power, Timer, Sleep, and 1 LED display screen shows the 
temperature and the set time. The indications of the LEDs are stated below: 
 
1.  Power LED: Will turn on when the unit is ON. The light will flash when the system detects the 

errors: 

 

Malfunctions 

Error code 

Electric control communication malfunction 

E1 

Room temperature sensor malfunction 

E2 

Indoor coil temperature sensor malfunction 

E3 

Outdoor unit breakdown protection 

E4 

Exhaust temperature sensor malfunction 

E8 

 
 
2.  Timer LED: Will turn on when the timer function switches ON. 
3.  Sleep LED: Will turn on when the sleep mode activates. 
4.  Temp./time display: Will show the setting temperature and the setting timer when changing the 

temperature and timer. 

 

 

 

Summary of Contents for FCA18 series

Page 1: ...UNIVERSAL MOUNTED FAN COIL UNIT FCA18 SERIES OWNER S AND INSTALLATION MANUAL Version 20111202BL ...

Page 2: ...II INSTALLATION START UP AND SERVICE INSTRUCTIONS 9 14 SAFETY CONSIDERATIONS 9 INSTALLATION INITIAL CHECK 9 SELECTION OF INSTALLATION LOCATION 9 MOUNTING 10 11 IV CONDENSATE DRAIN 12 V REFRIGERANT PIPING 12 14 VI ELECTRICAL WIRING 14 VII REMOTE CONTROL HANDSET 15 17 VIII WIRED WALLPAD OPTIONAL 18 19 IX ONBOARD LED LIGHTS AND DISPLAY 20 X MAINTENANCE 21 XI FILTER REMOVAL FOR CLEANING 22 XII OPERATI...

Page 3: ...appearance and light weight structure LOW NOISE OPERATION The unit not only does it has ultra quiet multi speed motor and a tangential blower wheel for optimum sound 3D SWING FUNCTION FOR BETTER COMFORT The horizontal and vertical air sweep combination allows three dimensional control of the air direction LED ERROR DISPLAY FOR TROUBLESHOOTING Easy to read LED display for 6 error diagnostics IR REM...

Page 4: ...mber _______________________________ Serial Number _______________________________ Dealer s Name _______________________________ Dealer s Tel _______________________________ Date Purchased _______________________________ Staple your receipt to this page in the event you need it to prove date of purchase or for warranty issues ...

Page 5: ...air by yourself In case of malfunction of this appliance do not repair by yourself Contact the sales dealer or service dealer for a repair 3 Turn off the power isolation from main power supply Switch off the breaker or switch off the power disconnecting means to isolate the equipment from the main power supply in case of an emergency INSTALLATION ACCESSORIES PROVIDED Manual x 1 Drain hose x 1 PVC ...

Page 6: ... to failure to follow instructions will cause harm or damage the seriousness of which is classified as follow Warning This sign indicates the possibility of death or serious injury Caution This sign indicates the possibility of injury or damage to property The instructions to be followed are classified by the following symbols This symbol denotes an action that is PROHIBITED This symbol denotes ac...

Page 7: ...ak out Do not install the unit in a potentially explosive atmosphere Gas leak near the unit could cause fire OPERATION PRECAUTIONS Warning Do not operate with wet hands This may cause an electric shock Do not insert finger or other objects into the indoor unit Since the fan rotates at high speed this may cause an injury Do not expose directly to cold air for a long period of time This could damage...

Page 8: ...ir conditioner may drop and wet or damage furniture etc Do not charge or disassemble the batteries and do not throw them into a fire This may result in leakage fire or an explosion Switch off the power supply before cleaning Ventilate the room regularly Pay attention as to whether the installation rack is damaged after a long period of usage Switch off the power supply if the unit is not used for ...

Page 9: ...ng connections and grounding as specified by the local electrical codes b Also check supply voltage This must be within the limits shown on the rating plate 4 Check for a proper condensate flow 5 Be sure piping insulation is adequate 6 Confirm there are no obstructions to air flow for the unit Also check for sufficient clearances for servicing of the unit SELECTION OF THE INSTALLATION LOCATION 1 U...

Page 10: ... remote control switch b Install the unit and components as far away as is practical at least 16ft 5m from the electromagnetic wave source c Install a noise filter if any harmful electrical noise exists in the power supply Fig 1 MOUNTING 1 The unit comes equipped with two bracket hangers for mounting the unit under ceiling or on a wall as well as a packet for mounting the remote control handset 2 ...

Page 11: ...nuts as shown in Fig 4 Fig 3 Fig 4 4 Remove unit from carton and carefully place the unit mounting bolts into the bracket hangers slot and after all the four bolts are in the slots push the unit backward slowly Secure the unit on the bracket hanger by tightening the four bolts See Fig 3 ...

Page 12: ...ogen through the piping This is to keep the inside of tubing clean 3 Insulate suction and liquid lines separately to prevent sweating Fig 7 4 Connections to the indoor unit are flared as shown in Fig 8 4 1 Make flared joints for both suction and liquid lines 4 2 Ensure tube and fitting are in line with one another before tightening nut to provide concentric seating of tube on fitting to prevent le...

Page 13: ...to the tubes before they are used B Be sure to apply refrigerant lubricant to the matching surfaces of the flare and union before connecting them together This is effective for reducing gas leaks Fig 8 Fig 9 Piping Size Torque 1 4 1 4 1 7kg m 3 8 1 4 1 7kg m 1 2 4 8 6 2kg m 5 8 4 8 6 2kg m 3 4 6 9 9 9kg m ...

Page 14: ...nals on the control board individually according to the outdoor unit connection Ensure that the color of the wires of the outdoor unit and the terminal No are the same as those of the indoor unit 4 Ground both indoor and outdoor units and the ground wire should be longer than the common wires 5 Connect power wires and signal wires to the corresponding ports according to the wiring diagram 6 Close ...

Page 15: ...loves Use quenching cloth for brazing operations Have a fire extinguisher available for all brazing operations INDOOR UNIT TERMINALS Connect each wire to the proper terminals Pic 7 and Table 1 Pic 7 ICONS NAMES DETAILS C COM terminal Use to connect the 24V AC neutral wire to the outdoor unit Y 24V AC signal terminal Use to connect the 24V AC signal wire to the outdoor unit which to control the ON ...

Page 16: ...LAMP and CLEAN functions are applicable for select models only AIR FLOW button HOLD button SLEEP button CLEAN button LAMP button SWING button MODE button POWER button FAN SPEED button TIMER button TURBO button SETTING TEMPERATURE buttons ...

Page 17: ...ture range 61 F 90 F 16 C 32 C in display Note In dehumidifying mode and automatic mode setting temperature selecting function is disabled 5 FAN SPEED BUTTON Press to select desired fan speed Press from one to another as shown below When the previous fan speed was AUTO FAN HIGH fan speed will be selected when switching to FAN mode Note In auto fan mode the fan speed will turn into High when it rea...

Page 18: ... on off the unit before the timer set time the timer on off function will be cancelled 9 SLEEP BUTTON Press for sleep mode ON or OFF Setting sleep function in FAN mode the fan speed will automatically switch to LOW Press the FAN SPEED button to adjust the speed Setting sleep function in dehumidifying mode the fan speed will automatically switch to LOW and is not adjustable Note In COOL mode the se...

Page 19: ...18 WIRED WALLPAD OPTIONAL 1 2 3 4 5 6 22 21 20 7 8 9 10 19 18 17 16 15 14 13 12 11 ...

Page 20: ...isplay 15 Set temperature ON display 16 MODE button Press to select desired operation modes auto cooling dehumidifying heating or fan 17 POWER button Press to turn the air conditioner ON or OFF 18 SETTING TEMPERATURE buttons Press TEMP or TEMP to select the desired temperature The temperature range is from 61 F 90 F 16 C 32 C 19 SWING button Press the button to evenly distribute air in the room or...

Page 21: ...rs Malfunctions Error code Electric control communication malfunction E1 Room temperature sensor malfunction E2 Indoor coil temperature sensor malfunction E3 Outdoor unit breakdown protection E4 Exhaust temperature sensor malfunction E8 2 Timer LED Will turn on when the timer function switches ON 3 Sleep LED Will turn on when the sleep mode activates 4 Temp time display Will show the setting tempe...

Page 22: ...Gently pull up on the filters to remove them To remove the dust adhering to the filters either use a vacuum cleaner or wash them in water and dry in the shade Re insert the filter Note Do not use hot water above 104 F 40 C to clean the filters Do not dry the filters over a fire or in a dryer Do not exert too much force in puling and stretching the filters Do not operate the unit without filters as...

Page 23: ...nsert sticks or other object into the vents as it is dangerous to an individual make contact with the electric components and the fan 3 Keep the room temperature uniform Adjust the airflow direction to ensure a uniform temperature in the room 4 Keep blinds or curtains closed Do not let direct sunshine enter the room when the air conditioner is operating during cooling cycle 5 Make sure that the do...

Page 24: ...nnector plug Replace or repair Faulty switch Replace switch or PCB 5 Power on but indoor display will not function Connector plug Replace or repair Faulty display Replace display or PCB Reset switch position Correct or operate once 6 Indoor up down louver will not function Handset control Change function Faulty stepping motor Replace Connector plug Replace or repair 7 Indoor left right swing will ...

Page 25: ...24 ...

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