2-8
Design of VRF SYSTEM
1. Electrical Wiring
Wiring sample
K2 Type
K1 Type
L1 L2 N U1 U2
R1 R2
Remote Control Wiring
Inter-unit Control Wiring
Power Supply
Power Supply
Resin cover
Fixture screw for resin cover
* As to functional ground screw and protective ground screw, remove the fixture screw and resin cover.
Then, carry out earth ground work.
Functional ground screw (External Electronic
Expansion Valve Kit and Schedule Timer) *
Protective ground screw
(External Solenoid Valve Kit for 3WAY) *
Protective ground screw
(External Solenoid Valve Kit for 3WAY)
Use this screw when connecting to ground
the shield for the Inter-unit control wiring.
Functional ground screw (Schedule Timer)
Remote Control Wiring
Use this screw when connecting the shield
for the Inter-unit control wiring to ground.
Inter-unit Control Wiring
TDxxxxxx-002WAYVRF.indb8TDxxxxxx-002WAYVRF.indb8 2014/01/3017:52:302014/01/3017:52:30