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Design of VRF SYSTEMS
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1. Electrical Wiring
Wiring sample
Type E2
1. Electrical Wiring
Design of VRF SYSTEMS
Use this screw when connecting the shield
for the Inter-unit control wiring to ground.
Power Supply
Inter-unit
Control Wiring
Remote
Control Wiring
Functional ground screw (Schedule Timer)
When connecting with 2WAY VRF system outdoor unit
In the case of connecting with 3WAY VRF outdoor unit
It is necessary to install 2 units of solenoid valve controllers (CZ-CAPE2) per one indoor unit.
Install the solenoid valve control PCB supplied with the solenoid valve controller (CZ-CAPE2) in the electrical component box.
Read the instructions supplied with the CZ-CAPE2.
F
F
OP1OP2
Power
Supply
Power cable
3WAY2
3WAY1
Inter-unit
Control Wiring
Remote
Control Wiring
Wiring from
solenoid valve kit
Protective ground
screw (External Solenoid
Valve Kit for 3WAY)
Cable tie that came with the kit
of the optional part CZ-CAPE2
Use this screw when connecting
the shield for the Inter-unit control
wiring to ground.
Functional ground screw
(Schedule Timer)
Solenoid Valve Control PCB
Signal output cable
Cross-section view in the direction of the arrow along the line F - F
F
F
Bundle the surplus power cable and signal
output cable using the cable tie attached
to the kit of the optional part CZ-CAPE2.
NOTE
TD831172-03 VRF SYS INDOOR.indb 9 2015/05/25 17:58:01
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