Air Shutter - Vermont Castings RNVOD 3340 Homeowner's Installation And Operating Manual

Radiance Natural Vent Gas Heater
2. Remove the screw from center of Hi-Lo knob with
small screwdriver turning counterclockwise. (Fig. 40)
3. Insert blue painted screw when converting to natural
gas and red painted screw when converting to LP.
4. Tighten screw (do not over tighten), replace cap.
SIT 820 Valve
1. Using TORX T20 bit, remove and discard the three
(3) pressure regulator mounting screws (A), pressure
regulator tower (B) and the spring and diaphragm
assembly (C). (Fig. 41)
2. Insure the rubber gasket (D) is properly positioned
and install the new HI/LO pressure regulator assem-
bly to the valve using the new screws (E) supplied
with the kit. Tighten the screws securely. (Ref. torque
= 25 in/lb) (Fig. 42)
3. Install the enclosed conversion label (F) to the valve
body where it can easily be seen. (Fig. 42)
A
Fig. 41 Remove mounting screws, pressure regulator tower
and spring and diaphragm assembly.
E
F
Fig. 42 Replace regulator.
FC108
SIT
regulator
20
conversion
10/03
B
C
FC107
FC107
SIT820
valve conversion
10/03
D
FC108
Pilot Orifice Conversion
1. Locate pilot. (Fig. 38)
2. Replace pilot orifice.
•
Remove pilot hood by lifting up. (Fig. 43) NOTE: It
is not necessary to remove the pilot tube for conver-
sion.
•
Remove pilot orifice with allen wrench. (Fig. 44)
•
Install the conversion orifice.
•
Reinstall pilot hood. Be sure to align hood with
index tab.
Pilot Hood
Pilot
Bracket
Fig. 43 Remove pilot hood.
Index Tab
Snap Ring
Fig. 44 Remove pilot orifice.
3. Air shutter adjustment. The unit is shipped from the
CO106a
factory with the air shutter open 1". For LP units only,
DV360/580
the air shutter could be closed further. Refer to Table
Gas Conversion
3 for minimum air shutter opening. The air shutter is Pilot2
1/28/00 djt
located on the bottom of the burner to the left. (Fig.
45)
Refer to Table 2
Fig. 45 Adjust air shutter on bottom of heater. Refer to Table
2 for correct position.
CO105a
Allen Wrench
CO105a
gas conversion
Pilot
1/28/00 djt
CO106a
Bottom of Burner
Pan
ST667
RNVOD
20004409

air shutter

converting
from NG to Lp
ST667