Panasonic S-22ML1E5 Installation Instructions Manual page 34

K1 type (22, 28, 36 types)
Use this screw when connecting the shield
for the Inter-unit control wiring to ground.
Protective ground screw (External Solenoid
Valve Kit for 3WAY)
L1 L2
Power Supply
Inter-unit Control Wiring
Functional ground screw (External Electronic
Expansion Valve Kit and Schedule Timer)
P1, R1 types
Protective ground screw
(External Solenoid Valve Kit for 3WAY)
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.
Power Supply
Inter-unit Control Wiring
N U1 U2
Remote Control Wiring
Remote Control Wiring
K1 type (46, 56, 73, 106 types)
Functional ground screw (External Electronic
Expansion Valve Kit and Schedule Timer)*
Protective ground screw
(External Solenoid Valve Kit for 3WAY)*
Fixture screw for resin cover
Resin cover
Inter-unit Control Wiring
Power Supply
* As to functional ground screw and protective ground screw,
remove the fixture screw and resin cover. Then, carry out
earth ground work.
33
R1 R2
L1 L2 N U1 U2
Remote Control Wiring
Use this screw when connecting the shield
for the Inter-unit control wiring to ground.