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CONVERTING TO A DIFFERENT GAS TYPE
To convert from propane to natural gas or from natural to propane gas, carefully follow the steps below:
1. SHUT OFF THE GAS SUPPLY TO THE UNIT AND ANY NEARBY ELECTRICAL SOURCES OR
APPLIANCES.
2. If present, remove all decorative media from the unit.
3. Remove the screws attaching the burner pan to your enclosure.
4. Carefully detach the flex connector attached to the orifice holder (see Fig. 11-3) and unscrew the
orifice holder from the burner pipe (see Fig. 11-4).
5. Remove the orifice from the holder (see Fig. 1 1-4) and replace with the proper-sized one for your
gas requirement. Propane gas requires a 2.30mm(drill size) orifice. Natural gas require a 3.78mm
orifice.
Note: If you are converting to and using natural gas you MUST install the air shutter over burner
pipe to cover the air holes (see Fig. 11-4). For propane (LP.) gas, remove the air shutter. Replace
the orifice holder and reattach the connector from the valve (see Fig. 11-3). The regulator must
now be converted to the new gas type.
6. To convert the regulator from propane gas to natural gas. The appliance must be isolated from
the gas supply piping system by closing , It's individual manual shut off valve ensuring any
pressure testing of the gas supply piping system. At test pressure equal to or less than 1 /2 psi
(3.5 Kpa).
7. Move the propane pipe from the regulator (see Fig. 11-5) and replace with 3/S"natural gas pipe
(see Fig. 11-6, natural gas pipe package not included).
8. Restore your gas supply and check for leaks per the INSTALLATION section. When no leaks are
detected, fasten the burner pan back into place on the enclosure and replace the decorative
media.
,....
Connector from valve attached to
✓
---.\
� office holder on burner pipe
..... __ .,,,.✓'
Detach connector from orrifice holder when
_______
_...changing orifice to a different gas type.
ORIFICE .
(Remove to change to a different gas type)
w_.
/ 3.78mm-natural gas
Burner pipe
"'
/
---.....
.,..
,, ___ >
... ::::::::
Fig. 11-3
Fig. 11-4
2.30mm-propane gas
Air shutter (used only with
.__
natural gas. Removed for
ro ane as.)
16
Fig. 11-5
Install gas pipe.
Fig. 11-6
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