17
CAUTION: Two gas line installation at the same time is forbidden.
Heater is pre-set at factory for propane gas, no changes are required for connecting to
propane. Only a qualied installer or service technician can perform gas selection and
connecting to gas supply.
For changing from propane to natural gas supply:
1. Overturn chassis, See Figure 14.
2. For NATURAL GAS, press knob using a at screwdriver with a blade the thickness of
a quarter and turn knob clockwise until the knob locks into the NG position (see
Figure 15). Selection valve must be locked in the NG position. Do not operate heater
between locked positions!
3. Remove
hex plug (with wrench provided) from natural gas inlet of regulator and install
into LP inlet of regulator; use thread sealant to assure there are no leaks.
CAUTION: To avoid gas leakage at the inlet of regulator, a qualied installer or service
technician must use hex plug with sealant.
For changing from natural gas supply to propane supply:
1. Overturn chassis, See Figure 14.
2. For propane gas, press in knob using a at screwdriver with a blade the thickness of a
quarter and turn knob counterclockwise until the knob locks into the LP position,
see Figure 16. Selection valve must be locked in the LP position. Do not operate heater
between locked positions.
3. Remove hex plug from liquid propane inlet of regulator and install into NG inlet of
regulator; use thread sealant to assure there are no leaks.
Figure 14
Figure 16
Figure 15
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