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CAUTION:
Two gas lines installation at the same time is forbidden. Do not the open cover while the
heater is running.
Heater is pre-set at factory for propane gas; no changes are
required for connecting to propane. Only a qualified installer
or service technician can perform gas selection and
connecting to natural gas supply.
CAUTION:
To avoid gas leakage at the inlet of regulator,
a qualified installer or service technician must use steel or
metal hex plug with sealant.
For changing from propane to natural gas supply (WDFT
dual fuel models only):
1) Before gas conversion, remove knob lock by removing
screw. (see Figure 9.1)
2) For NATURAL GAS, turn knob counterclockwise until
the knob locks into the NG position (see Figure 9.) The
selection valve must be locked in the NG position. DO
NOT operate the heater between the locked positions.
Figure 9
3) Remove the cap by hand from the
regulator and now the white plastic screw
Figure 9.1
is in the LP position (See Figure 9.2).
4) Remove the white plastic screw from the
cap (See Figure 9.3).
5) Turn it over (See Figure 9.4) and
reinstall it on the cap (See Figure 9.5).
Make sure the white plastic screw is
installed on the cap tightly.
6) Replace the cap on the regulator.
