Set Appliance State:
CH Demand
Isolate Mains Power to appliance as per TOPs P4
Release the front facia by gently prising up the retaining
latches at the top of the facia
Release the front facia by gently prising up the retaining
latches at the top of the facia
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Test 1:
Turn 'service potentiometer' fully clockwise to put boiler to MAX Output.
Measure the combustion readings.
Readings should be within the parameters outlined in ADAPT / TOPS.
Test 2:
Turn 'service potentiometer' fully anti-clockwise, hold it in this position for about 5 seconds before rotating the service potentiometer clockwise to the mid-point or 3 o'clock position. Fan speed will reduce and boiler will now be running at MINIMUM output.
Measure the combustion readings.
Readings should be within the parameters outlined in ADAPT / TOPS.
Turn 'service potentiometer' fully clockwise to put boiler to MAX Output.
Measure the combustion readings.
Readings should be within the parameters outlined in ADAPT / TOPS.
Test 2:
Turn 'service potentiometer' fully anti-clockwise, hold it in this position for about 5 seconds before rotating the service potentiometer clockwise to the mid-point or 3 o'clock position. Fan speed will reduce and boiler will now be running at MINIMUM output.
Measure the combustion readings.
Readings should be within the parameters outlined in ADAPT / TOPS.
