Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
DHW temperature set to MAX
DHW flow rate NO greater than 9.8 litres/min
Attach temperature clamps to flow and return
pipes of the primary heat exchanger
Note:
Ensure a good connection is made with the flow & return pipes
or mis-diagnosis will occur
DHW flow rate NO greater than 9.8 litres/min
Attach temperature clamps to flow and return
pipes of the primary heat exchanger
Note:
Ensure a good connection is made with the flow & return pipes
or mis-diagnosis will occur
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow appliance to operate for hot water for 3 minutes.
Monitor the temperature differential across flow and return pipes.
Expected temperature differential approximately 20°C or less.
Monitor the temperature differential across flow and return pipes.
Expected temperature differential approximately 20°C or less.