Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Attach a temperature clamp to the flow pipe directly underneath the overheat thermostat coil and use a temperature probe to monitor the temperature of the nut above the pump
DHW temperature set to MAX
Selector Switch in Hot Water Position
DHW temperature set to MAX
Selector Switch in Hot Water Position
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow the burner to ignite and boiler to run for at least 2 minutes.
Monitor the temperature differential between the flow and return.
Differential should be approximately 20°C or less.
Monitor the temperature differential between the flow and return.
Differential should be approximately 20°C or less.
