Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
Turn Hot Water Tap On
Attach FGA temperature probes to the bypass tube and flow pipe from heat exchanger.
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow boiler to fire and run for a while.
Is the internal bypass tube approximately the same temperature as the flow pipe signifying the auto bypass valve is open?
Is the internal bypass tube approximately the same temperature as the flow pipe signifying the auto bypass valve is open?