( C o n t i n u e d f r o m p r e v i o u s p a g e )
I n s t a l l a t i o n M e t h o d
【In case of X66A connector with 4 pins.】
Step
2
1
3
Step
4
Step
:Set the ABC I/P printed
circuit board
as shown in the right figure.
:Connect the wire harness assy
(3):4 pins to the
ABC I/P printed circuit board(X1A).
And connect the transmission wiring of the
Cool/Heat selector to the ABC I/P printed circuit
board(X1M(A,B,C)).The tightening torque of
X1M screw is 0.53~0.63N・m(0.39~0.46ft・lbf)
:Connect the wire harness assy(3) to the A1P(X66A).
:Fasten the transmission wire with other wires
using tie wrap (field supply).
Step
Step
Step
:Set the ABC I/P printed circuit board
as shown in the below figure.
:Connect the wire harness assy(2) to the ABC I/P
printed circuit board(X1A).
Use only wire harness assy(2):5 pins.
And connect the transmission wiring of the
Cool/Heat selector to the ABC I/P printed circuit
board(X1M(A,B,C)).The tightening torque of
X1M screw is 0.53~0.63N・m(0.39~0.46ft・lbf)
:Proceed wiring of the wire harness assy(2) and
transmission wire, as shown in the below figure.
:Connect the wire harness assy(2) to the A1P(X66A).
:Fasten the transmission wire with other wires
using tie wrap.
・Remove the front panel and Electrical Components Box cover.
~
1
1
5
5
3
Step
4
Step
I n s t a l l a t i o n M e t h o d
Step
2
Step
Step
Before Installation
:Remove the screws on the front cover.
:Slightly lift the panel.
:Pull the panel forward and remove it.
:Remove the 4 screws on the Electrical Components Box cover.
:Pull the cover downward till its top shows.
:Pull the cover forward and remove it.
４
６
２
５
１
３
X66A
A1P
X66A
A1P
X1A
X1A
Power supply type
575V
Power supply type
208/230V,400V,460V
X1M
X1M
For VRV-W T type series.
2
ON
3
1
Factory
default
OFF
4
ON
A1P
S e t t i n g o f t h e o u t d o o r u n i t
Control P-board of
the outdoor unit(A1P)
1. Please check after all the procedures are followed to make sure
there is no such connector/terminal in the Electrical Components Box
left disconnected.
2. Put back the Electrical Components Box cover in the reverse way as it was removed.
3. Put back the front panel in the reverse way as it was taken off.
DIP Switch
(DS1)
3
Setting of the outdoor unit when connecting to COOL/HEAT selector.
4
1. Turn on DIP switch (DS1-1)which is located on the control P-board (A1P) of the
outdoor unit before turn on the outdoor unit.
OFF
DS1
2
A f t e r A s s e m b l i n g
1
DS1
2. Carry out trial operation after turning on the outdoor unit.
For trial operation method, refer to Installation manual of the outdoor unit.
When this kit is used except cool/heat selector,
please refer to installation manuals or engineering data.
When connecting to
COOL/HEAT selector
1
Step
Step
For 1fan type
4
~
Transmission wire
(To Cool/Heat selector)
X
1
A
X
1
M
A1P
X6 6A
Step
1
Step
2
Step
3
4
Step
4
Step
Step
1
Step
2
Step
1
Step
2
Step
3
Step
5
Step
3
Step
5
Step
4
Step
4
