Daikin FTX25JVEA9 Service Manual page 364

Si18-201
0
Procedure for changing the installation location
of printed wiring board
If the installation location of printed wiring board
needs to be changed because of the installation
conditions, perform the following:
(1) Remove the electrical equipment cover.
Loosen the screw, and slide the cover in the direction
indicated by the arrow.
(2) Loosen 4 screws shown in the figure on the below,
remove the mounting plate of the printed wiring board.
CONNECTION ROOM
A1
INDOOR UNIT
1 A
A2
SER. No.
A3
CONNECTION ROOM
B1
INDOOR UNIT
2 B
B2
SER. No.
B3
CONNECTION ROOM
C1
INDOOR UNIT
C
3
C2
SER. No.
C3
(5) Follow the instruction on the
wiring nameplate to connect
the connection wires for
indoor/outdoor units in
accordance with the terminal
board numbers.
Warning
Do not use tapped wires,
stand wires, extensioncords,
or starbust connections, as
they may cause overtheating,
electrical shock, or fire.
NOTE:
The terminal board numbers
are arranged from top to
bottom in order of 3, 2, and 1.
Follow the "operating test" as described in the manual for installation that comes with outdoor unit.
Caution Before Operation
Printed wiring board
Remove 4 screws.
mounting plate
Connection wire for outdoor unit
H05VV, 4 wires
1.6mm or 2.0mm
When wire length exceed
10m, use 2.0mm wires.
1
2
3
*Fix each wire separately.
Operating Test
CAUTIONS:
• Do not turn ON the power until relocation and
wiring is completed.
• When supplying power, it will automatically
recognize the vertical orientation of the
printed wiring board and change the terminal
board for the indoor unit in order starting with
A, B, and then C from above.
Screw (M5)
(3) Loosen and remove 2 screws fixed on
the partition board in the opposite
side.
(4) Interchange the positions of the printed
wiring board and partition board, and
then fix them with screws.
Screws (2 pieces)
Wire clamp 5 , Insulator 6 (accessories)
3
Room A
2
1
3P057430-2
CONNECTION ROOM
A1
3
A2
INDOOR UNIT
Room B A
2
A3
SER. No.
1
CONNECTION ROOM
3
B2
INDOOR UNIT
Room C
2
B3
SER. No.
1
C1 CONNECTION ROOM
C2
INDOOR UNIT
C
C3
SER. No.
Ground
Once a screw-hole on the main unit
has had a screw hammered in,
make sure to cover it with
aluminum tape.
(This is to prevent condensation.)
Partition board
Interchange
Wiring nameplate
Room A
Room B
3
Room C
2
1
Refrigerant pipe
Connection wire for
indoor units
H05VV, 4 wires
1.6mm or 2.0mm
When wire length exceed
10m, use 2.0mm wires.
1P058455B
Wiring
351