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•
Remove the resistor and place it back in the storage bag. Check all connections, reconnect sensor wires per the wiring
diagram to terminals T1 and T2, replace the cover, and place the system back in service.
Operation when the sensor probe is encased in ice:
•
Disconnect the heater control panel and tag out the circuit.
•
Remove the heater control panel cover.
•
Install a jumper wire across terminals G1 and G2 on the combination temperature/low level control circuit board.
•
Install the heater control panel cover.
•
Energize the system and listen for the contactor closing.
•
Operate the system until the ice is melted around the probe.
•
After operation, de-energize the circuit, disconnect the heater control panel, and tag out the circuit.
•
Remove the jumper, check all connections, replace the cover, and place the system back in service.
Figure 12. Example Wiring Diagram for Stand Alone BAC Heater Control Panel (Refer to Submittal Drawing for Specific Wiring Diagram)
NOTE: Figure 12 is superseded by any drawing supplied with the panel by the manufacturer.
Vertex™ Evaporative Condenser Operation & Maintenance Manual – Operation Considerations for Accessories
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