Bp Unit - Daikin FTX25JVEA9 Service Manual

Wiring
2.2

BP Unit

1
• Connect refrigerant pipes and connection wires to the appropriate ports marked with matching alphabets
(A, B, and C) on this unit .
• Follow the instructions on the wiring nameplate to connect the connection wires of indoor/outdoor units to
terminal board numbers. (1,2 and 3) Always fix each ground wire separately with a ground screw. (See the
figure below.)
• After completing the wiring, fix the outer coating of wires securely with wire clamps. The wire clamp on indoor
unit side is furnished. Follow the procedure below to install.
NOTE:
The terminal board numbers are arranged from top to bottom in order of 1, 2, and 3.
Wiring nameplate
Refrigerant pipe
Room A
Room B
Room C
Peel the outer coating
leaving 10 mm from the
wire clamp.
Using an indelible
marker, fill in
"Connection
room," "Indoor
unit," and "Ser No."
for the indoor unit.
Work procedure
Electrical equipment
cover
(1) Remove the electrical cover.
Loosen one of the screws, and
slide the cover in the direction
of the arrow.
350
CONNECTING THE WIRING
Wire clamp 5 , insulator 6 (accessories)
10mm
CONNECTION ROOM
INDOOR UNIT
1 A
A2
SER. No.
A3
CONNECTION ROOM
B1
INDOOR UNIT
2
B2
SER. No.
CONNECTION ROOM
C1
INDOOR UNIT
3
C2
SER. No.
C3
3P00
Connection wire
for indoor units
Ground
H05VV, 4 wires
1.6mm or 2.0mm
When wire length exceed
10m, use 2.0mm wires.
+300mm of slack
Screw (M5)
+300mm of slack
(
2) Perform wiring.
Allow 300 mm for the pulling-
out section of harness.
(3) After checking the wiring, fill in
"Connection room," "Indoor
unit," and "Ser No." of the indoor
unit on the wiring nameplate.
1
2
Room A
3
1
2 Room B
3
1
Room C
2
3
3
2
1
*Fix each wire separately.
Wire clamp 5
(accessory)
Insulator 6
(accessory)
Wiring nameplate
A1
A
A2
A3
B1
B
B2
B3
C1
C
C2
C3
(Installation procedure for wire clamp 5 )
(4) Fix the wires completely with
(5) In reverse procedure of (1),
Warning
Do not use tapped wires,
stand wires, extensioncords,
or starbust connections, as
they may cause overtheating,
electrical shock, or fire.
Ground
Wire clamp
Connection wire
for indoor units
H05VV, 4 wires
1.6mm or 2.0mm
When wire length exceed
10m, use 2.0mm wires.
Screws 8 , 4 pieces
(accessories)
Install the electrical equipment cover.
wire clamps (2 locations).
slide the electrical equipment
cover, and fix it with the screw.
Caution Before Operation
Si18-201
Screw
(M5)