APW Wyott GGT-48H - Manual (Page 8)

8
CONVERSION:
Instructions are for conversion from Natural Gas to Propane (L.P.) on all GGT & GGM models .
The conversion should be done before connecting the unit to the gas supply.
1. Remove the knobs and front panel.
2. Remove the supply tubes that go
between the thermostats and the
orifice bracket.
2. Unscrew bolts and pilot valve,
then remove the manifold.
3. Unscrew and remove the orifice
fittings from the valve. Change the
orifices to the size recommended
for propane (L.P.). For units with a
pilot safety valve you must also
change the pilot orifice to the other
pilot orifice supplied.
GGT Models GGM Models
4. Replace the orifice fittings into
the valve.
5.Replace the front panel and knobs.
7. Continue with installation.
6. Before installing the regulator,
unscrew the octagonal cap. With the
brass portion of the cap up, you can
read (NAT) on the plastic insert. Snap
the insert out of the cap, flip it over
and snap back in place. You can now
read (L.P.).
Regulator with Brass Cap
Note: Unit Number on
Side of Orifice Fittings
Plastic Insert
Note: Markings on Insert
L.P. Position of Insert