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User Guide
EM-PMI375
Installation
56 |
©
Danfoss | November 2021
Anti-condensation heater connections
Do not run the electric machine when an anti-condensation heater is in use.
Water condensing inside the electric machine enclosure can result in failure or corrosion of the electric
machine. This often happens in cooler temperatures or higher humidity areas typically in marine
environment, when the machine is not running.
The electric machine can be equipped with anti-condensation heater to avoid condensation issues. The
anti-condensation heater (+HEAT1) or heaters (+HEAT2) are factory assembled. The installed heater may
not be used when the electric machine mains are switched on or when the electric machine is running.
The installed anti-condensation heater must be supplied with 230 Vac power. The heater connector used
is HUMMEL Twilock connector, illustrated in Figure below.
Connection of the heater element
1
2
3
If the electric machine has an anti-condensation heater and failure is suspected, contact Danfoss
representative.
L
N
PE
BC265856307805en-000202
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