1
1-299
 Wiring samples
Y1 type
Remote Control Wiring
Clamper
(Field supply)
Power Supply
Functional ground screw (External Electronic 
Expansion Valve Kit and Schedule Timer)
Use this screw when connecting the shield 
for the Inter-unit control wiring to ground.
Protective ground screw 
Inter-unit Control Wiring
Protective ground screw 
Use this screw when connecting the shield 
for the Inter-unit control wiring to ground.
Functional ground screw (External Electronic 
Expansion Valve Kit and Schedule Timer)
Power Supply
Inter-unit Control Wiring
Remote Control Wiring
T1 type
K1 type
L1
R1 R2
L2 N U1 U2
Functional ground screw (External Electronic 
Expansion Valve Kit and Schedule Timer)*
Protective ground screw 
Use this screw when connecting the shield 
for the Inter-unit control wiring to ground.
* As to functional ground screw and protective ground screw, 
remove the fixture screw and resin cover. Then, carry out 
earth ground work.
Power Supply
Fixture screw for resin cover
Resin cover
Inter-unit Control Wiring
Remote Control Wiring
Use this screw when connecting the shield 
for the Inter-unit control wiring to ground.
Functional ground screw 
Protective ground screw
Power Supply
Inter-unit Control 
Wiring
Remote Control 
Wiring
F1 type
N1 type
6P terminal board
R1
R2
U1
U2
L
N
Remote
controller
line
Unit
control
wiring
Power
suppy
Earth
Shielded
wire
ground
SM830211-07PAC-i.indb299SM830211-07PAC-i.indb299 2013/09/1722:48:002013/09/1722:48:00