Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Unscrew control box and fit it to the bottom lugs so access to the pipes can be gained
Use FGA temperature clamps on Flow and Return pipes as close to the combustion chamber as possible
Use FGA temperature clamps on Flow and Return pipes as close to the combustion chamber as possible
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Observation:
Allow the boiler to run and start to heat up to system, measure the differential temperature between the flow and return. The expected temperature difference should be between 11-20 degrees.