Set Appliance State:

CH Demand
Set appliance to 100% output
WARNING! - Mains voltage is expected during test follow
TOPs P4 live testing procedure
Mains Power On

Observation:

Check the appliance gas rate with meter test dial and stop watch.
Gas rate shall be as per manufacturers specification for CH output.
Click here for guidance on how to set appliance to 100% output
Note.
The appliance must burn at 100% output throughout test. If the burner modulates results will be inaccurate.