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7

Be sure attach the electric parts box lid before turning on the 

powe. 

Next, press the inspection/test operation button “

” on the 

remote controller.  The unit will engage the test operation mode. 

Press the operation mode selector button “

” until selecting 

FAN OPERATION “

”. Then, press the ON/OFF button 

”. The indoor unit fan and drain pump will start up.  Check 

that the water has drained from the unit. Press “

” to go back 

to the first mode.

CAUTION

• Drain piping connections

Do not connect the drain piping directly to sewage pipes that 
smell of ammonia. The ammonia in the sewage might enter 
the indoor unit through the drain pipes and corrode the heat 
exchanger.

• Keep in mind that it will become the cause of getting drain

pipe blocked if water collects on drain pipe.

8.

ELECTRIC WIRING WORK

8-1

GENERAL INSTRUCTIONS

• All field supplied parts and materials and electric works must 

conform to local codes.

• Use copper wire only.
• For electric wiring work, refer to also “Wiring diagram label” 

attached to the electric parts box lid.

• For remote controller wiring details, refer to the installation 

manual attached to the remote controller.

• All wiring must be performed by an authorized electrician.
• This system consists of multiple indoor units. Mark each indoor 

unit as unit A, unit B . . . , and be sure the terminal board wiring 
to the outdoor unit and BS unit are properly matched. If wiring 
and piping between the outdoor unit and an indoor unit are mis-
matched, the system may cause a malfunction.

• A circuit breaker capable of shutting down power supply to 

the entire system must be installed.

• Refer to the installation manual attached to the outdoor unit 

for the size of power supply electric wire connected to the 
outdoor unit, the capacity of the circuit breaker and switch, 
and wiring instructions.

• Be sure to ground the air conditioner.
• Do not connect the ground wire to gas and water pipes, light-

ning rods, or telephone ground wires.

• Gas pipes : might cause explosions or fire if gas leaks.
• Water pipes : no grounding effect if hard vinyl piping is used.
• A circuit breaker capable of shutting down the power sup-

ply to the entire system must be installed.

8-2

ELECTRICAL CHARACTERISTICS

MCA: Min. Circuit Amps (A); MFA: Max. Fuse Amps (A) 
kW: Fan Motor Rated Output (kW); FLA: Full Load Amps (A)

8-3

SPECIFICATIONS FOR FIELD SUPPLIED 
FUSES AND WIRE 

NOTE

1.

Allowable length of transmission wiring between indoor/out-
door units and between the indoor unit and the remote con-
troller is as follows. 

(1) Outdoor unit – Indoor unit: 

Max. 1000 m (Total wiring length: 2000 m) 

(2) Indoor unit – Remote controller: 

Max. 500 m

9.

WIRING EXAMPLE AND HOW TO SET 
THE REMOTE CONTROLLER

9-1

HOW TO CONNECT WIRINGS 

• Refer to the figure below when connecting the remote con-

troller wiring with transmission wiring and power supply wir-
ing.

TEST

TEST

L N

PC board

Copper wire

Electric parts box lid.

Power supply 
terminal 

Power supply
1-220-240V

Units

Power 

supply

Fan motor

Model

Hz

Volts

Voltage 

range

MCA

MFA

kW

FLA

FXKQ25 · 32MVE

50

220-

240

Max. 264
Min.  198

0.3

15

0.015

0.2

FXKQ40MVE

0.3

15

0.020

0.2

FXKQ63MVE

0.5

15

0.045

0.4

FXKQ25 · 32MVE

60

220

Max. 242
Min.  198

0.4

15

0.015

0.3

FXKQ40MVE

0.5

15

0.020

0.4

FXKQ63MVE

0.6

15

0.045

0.5

Model

Power supply wiring

Remote controller wiring

Transmission wiring

Field 

fuses 

Wire

Size

Wire

Size

FXKQ25 · 32MVE

15A

H05VV-

U3G

Wire size 
must com-
ply with 
local codes.

Sheathed wire
(2 wire) 

0.75 - 

1.25 
mm

2

FXKQ40MVE

FXKQ63MVE

Power supply 
terminal block (2P)

Electric parts box

(NOTE 1)

(NOTE 2)

Power 
supply 
wiring and 
ground 
wiring (*)

Plastic 
clamp

Electric parts 
box lid

Terminal block for 
remote controller (6P)

Wire clip

Ground terminal

Attached 
clamp

Rubber bush

Remote 
controller wiring 
and Transmission 
wiring between units (*)

01_EN_3P086156-8F.fm  Page 7  Wednesday, March 19, 2003  6:55 PM

Summary of Contents for FXKQ25MVE

Page 1: ...MANO PARA LEER EN CASO DE TENER ALGUNA DUDA PRIMA DELL INSTALLAZIONE LEGGERE ATTENTAMENTE QUESTE ISTRUZIONI TENERE QUESTO MANUALE A PORTATA DI MANO PER RIFERIMENTI FUTURI LEES DEZE INSTRUCTIES ZORGVU...

Page 2: ...rmidade com a s seguinte s norma s ou outro s documento s normativo s desde que estes sejam utilizados de acordo com as nossas instru es overholder f lgende standard er eller andet andre retningsgiven...

Page 3: ...g to local laws and regulations and this installation manual An insufficient power supply capacity or improper electrical construction may lead to electric shocks or fire Make sure that all wiring is...

Page 4: ...Also in vehicles or vessels This unit both indoor and outdoor is suitable for installation in a commercial and light industrial environment If installed as a household appliance it could cause electro...

Page 5: ...ight exceeds 2 7 meters however the connector of terminal board A2P must be replaced and an air outlet blocking pad must be installed Refer to HIGH CEILING INSTALLATION P 9 3 Use suspension bolts for...

Page 6: ...and paper pattern for installation have been adjusted to the dimensions of the ceiling opening Be sure to establish thorough communi cation with those who are to do the ceiling work 4 Check the unit i...

Page 7: ...absolutely sure to execute heat insulation works on the pipe connecting section after checking gas leakage by thor oughly studying the following figure and using the attached heat insulating materials...

Page 8: ...ing piping Secure a downward gradient of 1 100 or more for the drain pipe To accomplish this mount supporting brackets at an interval of 1 1 5 m Precautions when doing drain up piping work Make sure t...

Page 9: ...d switch and wiring instructions Be sure to ground the air conditioner Do not connect the ground wire to gas and water pipes light ning rods or telephone ground wires Gas pipes might cause explosions...

Page 10: ...ws Use the correct screwdriver for tightening the terminal screws If the blade of screwdriver is too small the head of the screw might be damaged and the screw will not be properly tightened If the te...

Page 11: ...actory set Insert Insert Power supply wiring Transmission wiring Switch Fuse Power supply Main switch Remote controller Indoor unit BS unit Only for Heat recovery system L N L N IN D OUT D F1 F2 F1 F2...

Page 12: ...terminals T1 and T2 of the terminal block for remote controller 2 Actuation The following table explains FORCED OFF and ON OFF OPERATIONS in response to Input A 3 How to select FORCED OFF and ON OFF O...

Page 13: ...No to 1 Then set second code position No to 01 for FORCED OFF and 02 for ON OFF OPERATION FORCED OFF at factory set 12 TEST OPERATION Refer to the installation manual of the outdoor unit The operatio...

Page 14: ...0303 HT 3P086156 8J EM02A082A...

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