2-31
Design of 2WAY SYSTEM
1
2
3
4
5
6
7
8
9
3. Electrical Wiring
Wiring sample
Indoor Unit : E1 Type (73, 106, 140)
Indoor Unit : E1 Type (224, 280)
Indoor Unit : Y1 Type
Indoor Unit : M1 Type
Remote Control Wiring
Inter-unit Control Wiring
Power Supply
Functional ground screw (External Electronic
Expansion Valve Kit and Schedule Timer)
Protective ground screw
(External Solenoid Valve Kit for 3WAY)
Use this screw when connecting
to ground the shield for the
Inter-unit control wiring.
Remote Control
Wiring
Inter-unit
Control Wiring
Power
Supply
Functional ground screw (External Electronic
Expansion Valve Kit and Schedule Timer)
Protective ground screw (External Solenoid
Valve Kit for 3WAY and RAP valve Kit)
Use this screw when connecting to ground
the shield for the Inter-unit control wiring.
Power Supply
Inter-unit Control Wiring
Remote Control Wiring
Clamper
(Field supply)
Functional ground screw (External Electronic
Expansion Valve Kit and Schedule Timer)
Protective ground screw
(External Solenoid Valve Kit for 3WAY)
Use this screw when connecting to ground
the shield for the Inter-unit control wiring.
Power Supply
Clamper on the front
side for Power Supply
Clamper inside the box
for Remote Control Wiring
and Inter-unit Control Wiring
Power Supply
Supplied Clamper *
Route the power supply cord through the ring
of the supplied wire saddle and clamp the cord.
*
Wire Saddle
Use this screw when connecting
to ground the shield for the
Inter-unit control wiring.
Remote Control Wiring
Inter-unit Control Wiring
Remote Control Wiring
Inter-unit Control Wiring
Functional ground screw
(External Electronic
Expansion Valve Kit and
Schedule Timer)
Protective ground screw
(External Solenoid Valve Kit for 3WAY )
L
N
U1
R1 R2
U2
TD831159-04̲2WAY VRF.indb 31
TD831159-04̲2WAY VRF.indb 31
2014/08/25 16:51:43
2014/08/25 16:51:43