Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
CH Demand
Attach U-gauge to inlet pressure test point
(To open Honeywell valve test point use tool provided
if available, if needed use T10 Torx / 2mm Allen key)
(To open Honeywell valve test point use tool provided
if available, if needed use T10 Torx / 2mm Allen key)
Gas On
| WARNING! - Mains voltage is expected during test follow TOPs P4 live testing procedure |
Measurement:
Set the boiler into service mode by holding down the ok button for approx. 5 seconds. Click here for additional guidance.
Switch between maximum and minimum rate by using the up and down arrows.
Operate the appliance at maximum rate.
Monitor the pressure gauge as the appliance operates, the pressure should remain above the minimum quoted in the table.
Does the inlet pressure remain satisfactory?
To exit service mode press the back button.
Switch between maximum and minimum rate by using the up and down arrows.
Operate the appliance at maximum rate.
Monitor the pressure gauge as the appliance operates, the pressure should remain above the minimum quoted in the table.
Does the inlet pressure remain satisfactory?
To exit service mode press the back button.
Isolate as per TOPs P4
and refit as necessary