HX Pool and Spa Heater
Page 15
GAS CONVERSION
BURNER CONVERSION
1.
Turn off gas supply to unit.
2.
Turn off power supply to pump and heater.
3.
Remove front access door
4.
Disconnect gas supply tube from burner manifold.
5.
Remove burner support bracket at the front left of the heater.
6.
Remove the two Phillips head screws securing the angle brackets at the end of the manifold
tube to combustion chamber support angles.
7.
Disengage the angle bracket at the front of the manifold from the slot in the combustion
chamber support angle, lower the front of the burner assembly and withdraw.
8.
Remove the four Phillips head screws securing the injector manifold to the burner tray.
9.
Remove burner injectors and replace with desired gas type injectors.
10.
Remove regulator screw cap from top of gas valve
11.
Turn plastic plug anti-clockwise until fully removed and withdraw spring.
12.
Insert spring for desired gas type and re-install plastic plug.
13.
Re-install burner assembly and reconnect gas supply.
14.
Check gas system for leaks.
15.
Commence lighting procedure as described above.
16.
Adjust burner pressure as described above.
HX 70
GAS TYPE
INJECTOR SIZE BURNER PRESSURE
NATURAL
1.25 mm
1.00 kPa
PROPANE 0.75
mm 2.62
kPa
HX 120
GAS TYPE
INJECTOR SIZE BURNER PRESSURE
NATURAL
1.25 mm
0.91 kPa
PROPANE 0.75
mm 2.62
kPa
