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English

CAUTION

Refer to “2. Items to be checked at time of delivery” on page 4 upon completion of the test run and make
sure that all the items are checked.

If the customer's interior work has not been finished on completion of the test run, explain the customer
not to operate the air conditioner. This is essential until the interior work is finished so as to protect the
product. 
Substances generated from paints and adhesives used for the interior work may contaminate the product
if the unit is operated.

When delivering the product to the customer after the test run is completed, check that the control box lid,
the air filter and the suction grille are mounted. In addition, explain to the customer regarding the state
(ON/OFF) of the power supply breaker.

13. WIRING DIAGRAM

(Refer to Fig. 37)

L5

Instantaneous overcurrent (outdoor unit)

Possible earth fault or short circuit in the compressor motor.

L8

Electric thermal (outdoor unit)

Possible electrical overload in the compressor or cut line in the compressor motor.

L9

Stall prevention (outdoor unit)

Compressor possibly locked.

LC

Transmission malfunction between the outdoor control units’ inverters (outdoor unit)

P1

Open-phase (outdoor unit)

P3

P-board temperature sensor malfunction (outdoor unit)

P4

Heat-radiating fin temperature sensor malfunction (outdoor unit)

PJ

Type set improper (outdoor unit)

Capacity data is wrongly proset. Or there is nothing programmed in the data hold IC.

U0

Suction pipe temperature abnormal

U1

Reverse phase 

Reverse two phase of the L1,L2and L3 leads.

U2

Power source voltage malfunction (outdoor unit)

Includes the defect in 52C.

U4

UF

Transmission error (indoor unit – outdoor unit)

Wrong wiring between indoor and outdoor units or malfunction of the PC board 
mounted on the indoor and the outdoor units.

U5

Transmission error (indoor unit – remote controller)

Transmission is improper between the indoor unit and the remote controller.

UA

Miss setting for multi system

Setting is wrong for selector switch of multi-system. (see switch SS2 on the main 
unit’s PC board)

UE

Transmission error (indoor unit - central controller)

UC

Central control address overlapping

To test run Contractors

Summary of Contents for SkyAir GQI-Eco FCQG100EVEB

Page 1: ...i flow cassette type FCQG71EVEB FCQG100EVEB FCQG125EVEB FCQG140EVEB SPLIT SYSTEM Air Conditioners INSTALLATION MANUAL READ THESE INSTRUCTIONS CAREFULLY BEFORE INSTALLATION KEEP THIS MANUAL IN A HANDY...

Page 2: ......

Page 3: ...and CAUTION notices WARNING Failure to follow these instructions properly may result in personal injury or loss of life CAUTION Failure to observe these instructions properly may result in property d...

Page 4: ...rom lightning or other sources may cause damage to the air conditioner Be sure to install an earth leakage breaker Failure to install an earth leakage breaker may result in electric shocks or fire CAU...

Page 5: ...the installation is complete In order to protect the indoor unit from damage use packing materials to protect the unit after carrying until the installation starts When selecting installation site re...

Page 6: ...unit completed The unit may malfunction or the components burn out Is the gas leak test finished It may result in insufficient cooling Is the unit fully insulated Condensate water may drip Does drain...

Page 7: ...ual for the outdoor unit Space required for installation CAUTION Any vents light fixtures or other appliances which may disturb the airflow might cause the top side to become dirty if located too near...

Page 8: ...quiring reinforcing 4 PREPARATIONS BEFORE INSTALLATION 1 Relation of ceiling opening to unit and suspension bolt position Refer to Fig 4 7 Unit mm CAUTION Reduce the distance between the unit and ceil...

Page 9: ...ECTRIC WIRING WORK After making an opening in the ceiling it may be necessary to reinforce ceiling beams to keep the ceiling level and to prevent it from vibrating Consult the builder for details 3 In...

Page 10: ...eiling opening dimension Consult the builder or carpenter for details The center of the ceiling opening is indicated on the paper pattern for installation The center of the unit is indicated on the tr...

Page 11: ...nd tighten the upper nut 1 6 Remove the paper pattern for installation 5 2 For existing ceilings 2 1 Install the indoor unit temporarily Attach the hanger bracket to the suspension bolt Be sure to fix...

Page 12: ...ow anything other than the designated refrigerant to get mixed into the refrigerant circuit such as air etc If any refrigerant gas leaks while working on the unit ventilate the room thoroughly right a...

Page 13: ...works on the pipe connecting section after checking gas leakage by thoroughly studying the following figure and using the attached heat insulating materials for fitting 8 and 9 Fasten both ends with...

Page 14: ...itution or while inserting nitrogen into the refrigerant piping Once this is done connect the indoor unit with a flared or a flanged connection Pipe holding plate screw 2 points Gas piping Liquid pipi...

Page 15: ...may cause the failure of the unit does not sufficiently cool or heat Be sure to refer the installation manual or the engineering guide for the outdoor unit at the refrigerant piping work Nitrogen shou...

Page 16: ...can cause the drain to clog Use the attached drain hose 1 and Metal clamp 2 Connect the drain hose 1 to the stage part of the drain socket and securely tighten the metal clamp 2 with the tape on the...

Page 17: ...NISHED Add approximately 1 L of water slowly from the air outlet and check drainage flow Check drainage flow during COOL running explained under 12 TEST OPERATION After checking the drainage of water...

Page 18: ...d the control box make sure none of the connectors come undone Be sure to attach the control box lid before turning on the power Put approximately 1L of water slowly into the drain pan through the out...

Page 19: ...pes and corrode the heat exchanger 100 Plastic watering can Tube should be about 100 mm long Service drain outlet with rubber plug Use this outlet to drain water from the drain pan Drain pipe Adding w...

Page 20: ...e the entire system may be damaged For remote controller wiring details refer to the installation manual attached to the remote controller Do not touch the printed circuit board ASSY during the wiring...

Page 21: ...n the control box Outside the machine separate the weak wiring remote controller cord and strong wiring interunit earth and other power wiring at least 50 mm so that they do not pass through the same...

Page 22: ...que of the terminal screws If the strand wire is used do not solder it 9 WIRING EXAMPLE CAUTION Be sure to install an earth leakage breaker to the outdoor unit Installation of an earth leakage breaker...

Page 23: ...d with sheath or cable NOTE 2 2 wire 0 75 1 25 Max 500 m 1 2 3 P1 P2 1 2 3 P1 P2 Main power supply Main switch Fuse Outdoor unit Indoor unit Remote controller Optional accessory Pair type Fig 31 P1 P2...

Page 24: ...manual sup plied with the remote controller The settings of the BRC1D528 remote controller should be switched in accordance with the following pro cedure 1 Insert a screwdriver into the recess between...

Page 25: ...before installation of the decoration panel be sure to check the operation of the swing flap after the installation 11 FIELD SETTING Be sure to check that the outdoor unit has been wired Make sure th...

Page 26: ...roup To make or confirm settings for an individual unit set the Mode No shown in parentheses 11 4 Setting air filter sign Remote controllers are equipped with liquid crystal display air filter signs t...

Page 27: ...button 5 Press INSPECTION TEST OPERATION button 4 times 2 times for wireless remote controller and operate at Test Operation mode for 3 minutes 6 Push AIR FLOW DIRECTION ADJUST button to make sure th...

Page 28: ...can be found by following procedures NOTE 2 1 Press the INSPECTION TEST OPERATION button is displayed and 0 flashes 2 Press the PROGRAMMING TIME button and find the unit No which stopped due to troub...

Page 29: ...t s PC board faulty E3 High pressure abnormal outdoor unit E4 Low pressure abnormal outdoor unit E5 Compressor motor lock malfunction E7 Outdoor fan motor lock malfunction Outdoor fan instantaneous ov...

Page 30: ...ssor or cut line in the compressor motor L9 Stall prevention outdoor unit Compressor possibly locked LC Transmission malfunction between the outdoor control units inverters outdoor unit P1 Open phase...

Page 31: ...5VV 4G2 5 NOTE 7 TERMINAL FOR OPERATION DISPLAY FAN OPERATION COMPRESSOR OPERATION ADAPTOR FOR WIRING OPTIONAL ACCESSORY NOTE 4 NOTE 2 CENTRAL REMOTE CONTROLLER WIRED REMOTE CONTROLLER OPTIONAL ACCESS...

Page 32: ...1008 FS 3P177351 3J EM10A017...

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