Vermont Castings TP-250 - Manual

1
20012371 11/07 Rev. 3
Fuel Conversion Kit
Installation Instructions
Kits:
Natural to LP:
20011992, 20012367, 20012368
LP to Natural:
20013200, 20013199, 20013196
for Models: DVT38IN,
DVT44IN, DVT38S2IN
This kit is designed for conversion of the Direct Vent
Gas Heater Models DVT38, DVT44 and DVT38S2
equipped with the American Flame AF-4000 Series
valve.
Tools required for conversion: TORX T20 Security Tee
bit, 3/8” and 1/2” deep well socket, Phillips or Robertson
screwdriver, 5/32” allen wrench, small flat blade screw-
driver, 7/16” nut driver or socket.
Check Contents of Shipping Carton
Compare contents of Figure 1 with actual parts re-
ceived. If any parts are missing or damaged, contact
your dealer before starting conversion.
Conversion Precautions
Allow unit to cool if it has been operating.
Before proceeding with conversion shut off fireplace
and turn gas supply OFF. Turn OFF any electricity that
may be going to appliance.
Conversion Procedure
1. Remove glass frame. Refer to Homeowner’s Manual.
2. Remove lava rock, volcanic rock, embers and logs.
Carefully remove brick panels.
CAUTION: Logs may be hot.
3. Models DVT38, DVT44
a. With a Phillips or Robertson screwdriver, remove
the two (2) screws holding the fettle to the burner
assemblies. With a hex, remove the two (2) hex
nuts holding the burner tube to the front of the
burner assembly. Remove burner tube.
b. With the 3/8” socket remove two (2) hex nuts
holding the left burner leg. Remove burner leg.
(Fig. 2)
FP1559a
remove nuts
3/05
Hex Nuts
FP1559a
Fig. 2 Use 3/8” socket to remove hex nuts holding left burner
leg.
c. Slide the burner housing assembly to the left and
away. Adjust air shutter setting. Pull burner tube
assembly forward and out. Adjust air shutter set-
ting. Refer to Table 2.
d. Remove two (2) screws holding the pilot as-
sembly to the burner assembly. Move the pilot
assembly toward the back.
e. Slide the burner housing assembly to the left and
away.
f. With the 1/2” socket, replace the three (3) injec-
tors. Refer to Table 1.
3. Model DVT38S2
a. With a Phillips or Robertson screwdriver, remove
the four (4) nuts holding the fettle to the burner
assemblies. With a hex, remove the two (2) hex
nuts holding each burner tube to the front of the
WARNING!
The installation of this conversion kit must
only be undertaken by a qualified, certified
gas appliance installer.
CAR205
DVTIN
fuel conversion
5/07 djt
Burner Orifice (3 or 4)
(Refer to Table 1 or 3
to Confirm Sizes)
CAR205
Fig. 1 Carton contents.
Pilot Orifice
Label
Valve Minimum
Rate Screw
(DVT44,DVT38S2)
Pressure
Test Adapter
Valve Minimum
Rate Screw
(LP) (DVT38)