Drainage Piping Work; Water Piping Work; Electrical Work - Mitsubishi Electric PUHZ-SW AA Série Manuel D'installation

6. Drainage piping work

Outdoor unit drainage pipe connection ( PUHZ-SW series)
When drain piping is necessary, use the drain socket or the drain pan (option).
PUHZ-SHW series is not connectable drainage pipe because of cold district specification.
Drain socket PAC-SG61DS-E
Drain pan PAC-SJ83DP-E

7. Water piping work

Minimum water quantity
Following water quantity is required in the water circuit.
Model Minimum water quantity (L)
SW75 32
SW100 43
SHW80 34
SHW112 48
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).

8. Electrical work

8.1. Outdoor unit (Fig. 8-1, Fig. 8-2)
1 Remove the service panel.
2 Wire the cables referring to the Fig. 8-1 and the Fig. 8-2.
Fig. 8-1
A Indoor unit
(Interface unit/
Flow temp. controller)
B Outdoor unit
C Remote controller
D Main switch (Earth leakage breaker)
E Earth
Fig. 8-2
F Terminal block
G Indoor/Outdoor connection terminal block (S1, S2, S3)
H Service panel
J Earth terminal
K Wire the cables so that they do not contact the center of the service panel.
Note :
If the protective sheet for the electrical box is removed during servicing, be sure
to reinstall it.
Caution:
Be sure to install N-Line. Without N-Line, it could cause
damage to unit.
Single phase
J
L N S1 S2 S3
J
Three phase
J
L1 L2 L3 N S1 S2 S3
J
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