Mitsubishi Electric PUHZ-SW HA Series Installation Manual page 8

When drain piping is necessary, use the drain socket or the drain pan (option).
SW50
Drain socket PAC-SJ08DS-E
Drain pan PAC-SG63DP-E
Following water quantity is required in the water circuit.
Model Minimum water quantity (L)
SW50 22
SW75 32
SW100 43
SW120 54
Make sure to perform freeze protection measure such as applying anti-freeze solution when operating the unit on cooling mode under low ambient temperature (under 0 °C).
1 Remove the service panel.
2 Wire the cables referring to the Fig. 7-1 and the Fig. 7-2.
For Power
8
SW75
PAC-SG61DS-E
PAC-SG64DP-E
A Indoor unit
(Interface unit/
Flow temp. controller)
B Outdoor unit
C Remote controller
D Main switch (Earth leakage breaker)
E Earth
SW100, 120
F
G
H
I
K
F Terminal block
G Indoor/Outdoor connection terminal block (S1, S2, S3)
H Service panel
I Clamp
* Clamp the cables so that they do not contact the center of the service panel or the gas valve.
J Earth terminal
K Wire the cables so that they do not contact the center of the service panel.
SW75-120V
L N S1 S2 S3
SW100, 120Y
J
L1 L2 L3 N S1 S2 S3
J