Set Appliance State:
Mains Power Off
DHW Demand
DHW Selector in Maximum (+) position
CH Selector in Minimum (-) position
ON/OFF Switch in ON position
DHW Selector in Maximum (+) position
CH Selector in Minimum (-) position
ON/OFF Switch in ON position
Remove the vent plug from the pump.
| WARNING! Mains voltage is expected during test, follow TOPs P4 live testing procedure |
Observation:
Remove the vent screw from the front of the pump and observe the spindle.
CAUTION: Water may be emitted from the end of the pump, be sure to protect the work area while undertaking this test.
Does the pump run?
Note: Do not take sound or vibration as indication pump is running.
CAUTION: Water may be emitted from the end of the pump, be sure to protect the work area while undertaking this test.
Does the pump run?
Note: Do not take sound or vibration as indication pump is running.
Isolate as per TOPs P4
and refit as necessary