Commissioning
40
MAXXfl o EVO
5.2 COMMISSIONING THE HEAT ENGINE
5.2.1 IMPORTANT NOTES
The gas mixture and burner off -set gas rate (minimum load rate) is preset by the manufacturer.
Please DO NOT attempt to change the settings of the off -set governor behind the sealed cover.
The burner on this heater have been tested and set by the manufacturer, but this will need to
be checked again when the heater has been fully installed into its operating environment. The
commissioning process involves the operation of the burner at the maximum possible heat
load.
5.2.2 HEAT ENGINE COMMISSIONING
Ensure that all the numbered points included in section 5.1 “Commissioning General” have been completed
successfully before proceeding with the following:
NOTE: A
fl
ue sample point is provided in the
fl
ue section immediately above the heat
exchanger. To use this sample point, carefully remove the rubber bung
•
Turn on power supply.
•
Access the fl ue sample point (see above), careful not to pull on the wires when removing and replacing
the connector.
•
Insert a calibrated combustion analyser (approximately 65mm) inside the fl ue sample test point
•
Turn on gas supply
•
Ensure that the heater is set to “Standby” or “O” on the front switch
Remove rubber bung
to access sample point
O
ff
-set governor cover
DO NOT REMOVE
DO NOT ADJUST
O
ff
-
set governor cover
O
ff
-
set governor cover
DO NOT REMOVE
T
DO NOT ADJUST
T
