• Installation
2
•
Systems • Installation
12
2
Field wiring
2-1
cooling only / heat pump
2-1-2
Field line connection: transmission wiring (cool/heat selection)
NOTES
1
Pass the wiring between the units through the 2 wire clips in the bottom part of the switch box and out of the unit
Example of performing cool/heat with cool/heat selector
A
B
C
F1
X1M
F2
F1
F2
Heating/cooling switching
remote control
(Outdoor –Outdoor)
(Indoor –Outdoor)
Heating/cooling switching remote
control cord (when a heating/
cooling switch remote control
(Sold separately) is connected)
Secure to the lock plate using
the included cramping material.
Wiring between the units
(Outdoor – outdoor)
Wiring between the units
(Indoor – outdoor)
(V2889)
(V2889)
A B C
A B C F1
F1
F2
F2
A
B
C
F1
F1
F2
F2
F1 F2
F1 F2
F1 F2
F1 F2
F1 F2
F1 F2
F1 F2
F1 F2
F1 F2
C/H SELECTOR
TO IN/D UNIT TO OUT/D UNIT
TRANSMISSION WIRING
A2P
Cool/Heat
selector
Take care of
the polarity
Outdoor unit
P.C. board (A2P)
Use the conductor of
sheathed wire (2 wire)
(No polarity)
Terminal board
(Field supply)
Indoor unit
(V2889)
Содержание VRV
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