Table of Contents
Advertisement
•
Ensure that the DHW temp 1 is below 40
maintain the tank temperature below this value. The temperature can be checked on the home page of
the appliance display at any time.
•
Once ignition is successful, allow at least three minutes for the heat engine to warm up fully before
checking the combustion.
•
Ensure the DHW tank temperature remains below 40
combustion fi gure for G20 will be as follows:
Models
MAXXfl o EVO 90
MAXXfl o EVO 120
•
If adjustment is required, remove dust cover of gas valve throttle adjustment screw and insert a 4mm
allen key or medium fl at blade screw driver to adjust.
CO
_
2
MAKE ADJUSTMENTS IN 1/8 TURN STAGES AND WAIT ONE MINUTE BETWEEN EACH
If you are experiencing CO readings that exceed 200ppm after 20 minutes of burner operation,
please fi rst check that your gas analyser is functioning correctly and then contact Andrews Water
Heaters on the customer support number given on the rear cover of this manual, for
•
When adjustments are complete, turn the operation switch to STANDBY then ON then STANDBY then
ON then STANDBY. This will cancel the temporary recharging function. Wait for the heater to stop before
proceeding
•
Remove the gas analyser and replace the rubber bung in the fl ue sample point
•
Replace the throttle screw cover
Commissioning
O
C at all times during the commissioning . Draw off water to
Cascade temp
DHW temp 1
CO
2
9.1% (+/- 0.2%)
9.3% (+/- 0.2%)
CO
2
+
ADJUSTMENT
62.9
C
o
56.8
C
o
C and with the heater door open, the CO
O
Maximum CO
Throttle screw
expected
depth (mm)
130
11.6 (+/- 1.0mm)
160
11.7 (+/- 1.0mm)
44
2
Throttle screw
adjuster
advice.
MAXXfl o EVO
Advertisement
Table of Contents
