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11 

English

Connect wires of 
the same gauge to 
both sides.

Tightening torque for the terminal screws.

2. 

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 terminal screws are tightened too hard, screws 

• 

might be damaged.
Refer to the table below for the tightening torque of the 

• 

terminal screws.

Terminal

Size

Tightening torque 

(ft.lbf)

Transmission terminal block (6P)

M3.5

0.58 - 0.72

Power supply terminal block (3P)

M4

0.87 - 1.06

Do not connect wires of different gauge to the same ground 

3. 

terminal. Looseness in the connection may deteriorate 
protection.
Outside of the unit, keep transmission wire at least 5 in. 

4. 

away from power supply wire. The equipment may malfunc-
tion if subjected to electrical (external) noise.
For remote controller wire, refer to the “INSTALLATION 

5. 

MANUAL OF REMOTE CONTROLLER” attached to the 
remote controller.

WIRING EXAMPLE

10-2 

Fit the power supply wire of each unit with a switch and 

• 

fuse as shown in the drawing.

COMPLETE SYSTEM EXAMPLE

Power supply

Main 
switch

Outdoor unit

Power supply wire

Transmission wire

Switch

Fuse

Indoor unit

Remote controller

When using 1 remote controller for 1 indoor unit.

1. 

(Normal operation)

L

1

L

2

IN/D OUT/D

F1 F2 F1 F2

P

1

P

2

P

1

P

2

F

1

F

2

T

1

T

2

Power Supply

208-230V

~

60Hz

Control box

Outdoor unit

Indoor unit

Remote 

controller

L

1

L

2

When using 2 remote controllers for 1 indoor unit.

2. 

P

1

P

2

P

1

P

2

For use with 
2 remote 
controllers

L

1

L

2

IN/D OUT/D

F1 F2 F1 F2

P

1

P

2

F

1

F

2

T

1

T

2

Power Supply

208-230V

~

60Hz

Control box

Outdoor unit

Indoor unit

L

1

L

2

 NOTE

A single switch can be used to supply power to units on the 

1. 

same system. However, branch switches and branch circuit 
breakers must be selected carefully.
Do not ground the equipment on gas pipes, water pipes or 

2. 

lightning rods, or crossground with telephones. Improper 
grounding could result in electric shock.

CONTROL BY 2 REMOTE CONTROLLERS 

10-3 

(Controlling 1 indoor unit by 2 remote controllers)

When using 2 remote controllers, one must be set to 

• 

“MAIN” and the other to “SUB”.

MAIN/SUB CHANGEOVER

Insert a 

(1) 

 screw driver into the recess between the upper 

and lower part of remote controller and, working from the 
2 positions, pry off the upper part.
The remote controller PC board is attached to the upper 
part of remote controller.

Upper part of 
remote controller

Lower part of 
remote controller

Insert the screwdriver here and 
gently work off the upper part of 
remote controller

01_EN_3PN06240-13M.indd   11

01_EN_3PN06240-13M.indd   11

12/25/2008   5:40:11 PM

12/25/2008   5:40:11 PM

Summary of Contents for SkyAir FCQ18PVJU

Page 1: ...lace for future reference This manual should be left with the equipment owner Lire soigneusement ces instructions avant l installation Conserver ce manuel port e de main pour r f rence ult rieure Ce m...

Page 2: ...s and an asphyxiation hazard could occur leading to serious injury or death If the refrigerant gas leaks during installation ventilate the area immediately Refrigerant gas may produce toxic gas if it...

Page 3: ...uble may occur Make sure to provide for adequate measures in order to prevent that the outdoor unit be used as a shelter by small animals Small animals making contact with electrical parts can cause m...

Page 4: ...ake noise Is the gas leak test finished It may result in insufficient cooling Is the unit fully insulated Condensate water may drip Does drainage flow smoothly Condensate water may drip Does the power...

Page 5: ...ension bolts for installation Check whether 3 the ceiling is strong enough to support the weight of the unit or not If there is a risk reinforce the ceiling before installing the unit Installation pit...

Page 6: ...utdoor unit casing outlet Refer to the REFRIGERANT PIPING WORK Page 7 DRAIN PIPING WORK Page 8 and ELECTRIC WIRING WORK Page 9 After making an opening in the ceiling it may be neces sary to reinforce...

Page 7: ...center of the ceiling opening is indicated on the paper pattern for installation The center of the unit is indicated on the label attached to the unit and on the paper pattern for installation After...

Page 8: ...efore connecting The flare nuts used must be those included with the main body Over tightening may damage the flare and cause a refriger ant leakage Not recommended but in case of emergency You must u...

Page 9: ...inst condensate Improperly rigged pipe could lead to leak and eventually wet furniture and belongings Rig drain pipe 1 The diameter of the drain pipe should be greater than or equal to the diameter of...

Page 10: ...nlet lid length in Drain pipe Portable pump Inspection opening Service condensate outlet with rubber plug Use this outlet to condensate from the drain pan Bucket Adding water from inspection opening P...

Page 11: ...AND OTHER SMALL CREATURES FROM OUTSIDE Otherwise a short circuit may occur inside the control box L1 L2 Clamp A Transmission wire Remote controller wire Clip Power supply Transmission terminal block...

Page 12: ...smission wire Switch Fuse Indoor unit Remote controller When using 1 remote controller for 1 indoor unit 1 Normal operation L1L2 IN D OUT D F1 F2 F1 F2 P1 P2 P1 P2 F1 F2 T1 T2 Power Supply 208 230V 60...

Page 13: ...ing must be made from the remote controller in accordance with the installation condition Setting can be made by changing the Mode No FIRST CODE NO and SECOND CODE NO For setting and operation refer t...

Page 14: ...that the indoor unit no with the trouble can be recog nized NOTE 2 With the wireless remote controller 2 Refer also to the operation manual attached to the wire less remote controller When the operat...

Page 15: ...malfunction between the outdoor control units inverters outdoor unit P1 Open phase outdoor unit P3 PC board temperature sensor malfunction outdoor unit P4 Heat radiating fin temperature sensor malfunc...

Page 16: ...3PN06240 13M EM08A095 0902 HT...

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