![background image](http://html1.mh-extra.com/html/daikin/skyair-fcq18pvju/skyair-fcq18pvju_installation-manual_2460080012.webp)
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 16: ...3PN06240 13M EM08A095 0902 HT...