Testing For Leaks; Pilot Flame Adjustment; Gas Conversion - Vermont Castings 36CDVZRRN Installation Instructions And Homeowner's Manual

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CDVZ Series Direct Vent Gas Fireplace
Pilot Hood
Pilot
Bracket
Fig. 72 Remove pilot hood.
Index Tab
Snap Ring
CO106a
Fig. 73 Remove pilot orifice and replace with conversion
orifice.
Valve Regulator Conversion
SIT 820 NOVA Gas Control Valve (Fig. 74)
CO106a
1. Using a Torx T20 or slotted screwdriver, remove and
DV360/580
save the three pressure regulator mounting screws (A),

Gas Conversion

pressure regulator tower (B) and
Pilot2
2. Ensure the rubber gasket (D) is properly positioned and
1/28/00 djt
install the new HI/LO pressure regulator to the valve
using the new screws (E) supplied with the kit. Tighten
screws securely. (Reference torque - 25 in.LB)
A
B
C
Fig. 74 Nova SIT820 Gas Valve.
FC107
SIT820
valve conversion
10/03
34
CO105a
Allen Wrench
CO105a
gas conversion
Pilot
1/28/00 djt
diaphragm (C).
E
D
F
FC107/108
FC108
SIT
regulator
conversion
10/03
3. Install the enclosed identification label (F) to the valve
body where it can be easily seen.

Testing for Leaks

1. Apply gas to the system and light the pilot.
2. With a soapy solution check for leaks around the pilot
assembly where the tube enters the pilot assembly. Tighten
fitting if necessary.
3. Light the main burner and check for leaks around the
new pressure regulator assembly. Tighten screws if neces-
sary.
4. With the main burner "ON" rotate the Hi/Lo knob and
verify the proper burner operation.

Pilot Flame Adjustment

Typically, the top 3/8" or 1/2" of the thermopile should be
engulfed in the pilot flame. (Fig. 75)
To adjust pilot burner:
1. Remove pilot adjustment cap located on valve.
2. Adjust pilot screw to provide properly sized flame.
3. Replace pilot adjustment cap.
Fig. 75 Correct pilot flame appearance.
Reassembly
1. Turn the fireplace off.
2. Reverse Steps 3-6 in 'Burner Orifice Conversion' to
reassemble fireplace.
3. Reinstall glass door.
4. Conversion of the fireplace is complete.
3/8" - 1/2"
(10 - 13 mm)
FP1541
20014621

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