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Installation
CAUTION
Label all wires prior to disconnection when servicing con
trols. Wiring errors can cause improper and dangerous
operation. Verify proper operation after servicing.
1. Disconnect all electrical power from the unit.
2. Locate existing defrost control
3. Mark and disconnect wires from existing defrost
control. Remove existing defrost control .
Figure 7. Connector Descriptions
4. Position replacement defrost control properly over
5. Reconnect labeled wires to the proper terminals on the
6. Remove the factory-installed jumper(s) to install the
7. Affix provided sticker to inside of control panel.
8. Restore electrical power to the unit and monitor unit
Page 8
mounting holes in unit and snap stand-offs into place.
replacement defrost control. Refer to figure 1 for
pressure switch wiring and terminal identification.
existing high pressure and low pressure (or loss of
charge) switch(es).
function through a defrost test cycle.
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