Replacing The Contactor - Conair W1-1.5 User Manual

WARNING: Electrical hazard
Before performing any work on this unit, discon-
nect and lock out electrical power sources to
prevent injury from unexpected energization or
startup.
To replace contactor for the pump or compressor:
1
Disconnect and lockout power to the chiller.
2
Open the electrical enclosure and locate
the correct contactor. Refer to the wiring diagrams you
received with your chiller.
3
Disconnect the wiring from the contactor.
Make sure you label each wire so you can correctly install
the new unit.
4
Remove the contactor by snapping off
the DIN rail mounting.
5
Snap in the new contactor on the DIN rail.
6
Reconnect the wiring and reconnect power
to the chiller.
Fan 2
contactor (M4)
Fan 1
contactor (M3)
UGH017/0500 Series 1 Portable Chillers, PLC Control
R
EPLACING THE
C
ONTACTOR
Always refer to the wiring
diagrams that came with
your chiller to locate specific
electrical components.
Pump contactor
(M2)
Compressor
contactor (M1)
T
ROUBLESHOOTING
6-25