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Figure 1.3 – Outdoor Unit High Pressure Switch Modification for A5CM2020ER
(FOR UNITS FITTED WITH PHASE PROTECTION BOARD)
A modification is required to ensure that the high pressure switch remains operational when using the A5LC40CR in a
multisplit application.
Carry out the modification on site as follows:
1. Remove
Blue
Wire from
contactor at point
A2
and
Mains Neutral Terminal
and discard.
2. Remove
Black
High
Pressure Switch Wire from
Terminal A
and re-connect
directly to point
A2
on the
contactor.