Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Attach temperature clamp to flow pipe
Set boiler temperature control to maximum
Set boiler temperature control to maximum
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Allow appliance to fire and system to heat.
Note.
To speed up the process reduce the heating circuit by turning some rads off.
Observe both temperature reading and boiler operation.
Choose from the following observations.
BOILER SHUTS DOWN AT APPROX 85°C
BOILER GOES TO OVERHEAT BELOW 85°C
BOILER TEMPERATURE GREATER THAN 90°C AND BOILER STILL FIRED
Note.
To speed up the process reduce the heating circuit by turning some rads off.
Observe both temperature reading and boiler operation.
Choose from the following observations.
BOILER SHUTS DOWN AT APPROX 85°C
BOILER GOES TO OVERHEAT BELOW 85°C
BOILER TEMPERATURE GREATER THAN 90°C AND BOILER STILL FIRED