Set Appliance State:
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Attach pressure gauge to gas valve outlet pressure test point
Selector switch to DHW and CH position
CH temperature selector to maximum
DHW Preheat selector to Off position
Ensure CH system is cool
Selector switch to DHW and CH position
CH temperature selector to maximum
DHW Preheat selector to Off position
Ensure CH system is cool
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Allow fan to run and ignition sequence to commence.
The burner will initially ignite at minimum pressure (approximately 2 mb) it will then briefly ramp up to maximum pressure (approximately 10.2mb) before dropping back to minimum. Over the next 10 -20 seconds it should then steadily ramp back up to maximum pressure.
Does the burner pressure behave as described above?
The burner will initially ignite at minimum pressure (approximately 2 mb) it will then briefly ramp up to maximum pressure (approximately 10.2mb) before dropping back to minimum. Over the next 10 -20 seconds it should then steadily ramp back up to maximum pressure.
Does the burner pressure behave as described above?
