Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Attach a temperature clamp on the CH flow pipe as near as possible to the appliance
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow the boiler to run with a CH demand until approximately 75°C and then remove the CH demand.
Monitor the appliance temperature and the pump, if the temperature exceeds 82°C the pump overrun should activate and operate as described on the previous page.
If the pump overrun does not activate when the temperature is above 82°C then the Aquastat PCB will need to be replaced.
Click here for the Aquastat PCB part number.
Monitor the appliance temperature and the pump, if the temperature exceeds 82°C the pump overrun should activate and operate as described on the previous page.
If the pump overrun does not activate when the temperature is above 82°C then the Aquastat PCB will need to be replaced.
Click here for the Aquastat PCB part number.
