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Pilot Gas Connection
Install fitting into pilot gas outlet (see Fig. 2), turning
until finger-tight. Insert clean, deburred tubing all
the way through the fitting. While holding the tubing
securely, slowly tighten fitting until you feel a slight
"give." Tighten the fitting an additional 1-1/2 turns.
Conversion from Natural to L.P. Gas. Refer to
conversion kit installation instructions.
Outlet Pressure Adjustment
This control is shipped from the factory with the
regulator set to 3.5" W.C. (Natural gas full flow). If
required, the regulator can be adjusted for outlet
pressures normally ranging from 2.5 to 5" W.C.
(natural gas) or 7.5 to 12" W.C. (L.P. gas). Do not
force the adjusting screw beyond the limits that
it can easily be adjusted.
Inlet/Outlet pressure test ports are 1/8" NPT (see
Fig. 2). For testing pressure, the outlet pressure
tap plug will need to be removed and a separate
hose fitting installed. After testing pressure with a
manometer remove hose fitting and re-install plug.
Tighten to 60 in-lb max.
PILOT ADJUSTING
COVER SCREW
PILOT ADJUSTING
Figure 6. Gas Valve, Top
COVER SCREW
6
1. Attach the manometer to the outlet pressure
tap of the valve.
2. Energize system to ignite main burner.
3. Remove barbed hose fitting.
4. To DECREASE outlet pressure, turn the
adjusting screw (beneath the barbed hose
fitting) counterclockwise.
To INCREASE outlet pressure, turn the
adjusting screw clockwise.
5. Replace the barbed hose fitting. Cycle the
valve two or three times to verify regulator
setting.
This control was factory preset and will not normally
require additional adjustment of pilot flame.
If the pilot flame requires adjustment, remove the
pilot adjusting cover screw and gasket (see Fig. 6).
To REDUCE pilot flame, turn the pilot adjust screw
(beneath the cover screw) clockwise. To INCREASE
pilot flame, turn the pilot adjust screw counter-
clockwise. Replace gasket and tighten cover screw.
INLET
1/8"-27 N.P.T.
PRESSURE TAP
INLET
1/8"-27 N.P.T.
INLET 1/2"-14 N.P.T.
PRESSURE TAP
THDS. WITH SCREEN
INLET 1/2"-14 N.P.T.
THDS. WITH SCREEN
1/4" X 3/16"
TERMINAL
ADAPTER
1/4" X 3/16"
TERMINAL
ADAPTER
INSTALLATION
Pilot Gas Adjustment
.58
4.00
4.53
.58
4.00
4.53
Figure 7. Gas Valve, Side
3.89
REF.
5.09
3.8
RE
5.09
.8
1.
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