Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Ensure rads are open and water can circulate around the system
Use an FGA temperature probe
Use an FGA temperature probe
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow boiler to fire and run for CH.
Measure the temperature of the CH flow pipe and internal by pass pipe.
Is the internal bypass pipe cooler than the flow pipe?
Or is the internal bypass pipe the same temperature or
greater than the flow pipe, signifying the auto bypass
valve has opened?
Measure the temperature of the CH flow pipe and internal by pass pipe.
Is the internal bypass pipe cooler than the flow pipe?
Or is the internal bypass pipe the same temperature or
greater than the flow pipe, signifying the auto bypass
valve has opened?