HX Pool and Spa Heater
Page 14
TESTING BURNER PRESSURE
1.
Set thermostat to “OFF”.
2.
Set up manometer
3.
Remove screw from
⅛
” brass test point located on outlet side of gas valve
4.
Connect manometer tube to test point
5.
Set thermostat to “ON” and wait for burner to ignite
6.
Once burner has ignited, the manometer must indicate the nominal burner pressure listed
below.
7.
To adjust gas valve regulator, remove regulator adjustment cap and, using a screwdriver, turn
plastic bush clockwise to increase, anti-clockwise to decrease burner pressure.
8.
When burner pressure is correctly set, set thermostat to “OFF”.
9.
Refit test point screw and fibre washer.
10.
Refit regulator adjustment cap.
Maximum inlet gas pressure is:
Natural
Gas
3.5
kPa
Propane
Gas
3.5
kPa
Nominal burner pressure is:
HX 70
HX 120
Natural Gas
1.0 kPa
0.91 kPa
Propane Gas
2.62 kPa
2.62 kPa
