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aeration
adjustment
The burner aeration is factory set but may need
adjusting due to either the local gas supply, air sup-
ply or altitude.
Natural Gas
1/4" (6.4 mm)
Propane
Fully open
Note: Air shutter setting is the same regardless
of the media/log set installed.
1. Open top front door. See manual for details.
2. Remove front cover plate by removing 2 screws
See diagram 1.
Front cover plate
2 screws
3. Adjust aeration setting to 1/4 inch for NG and
fully open for LP using the tool provided. The
tool will be located at the bottom door and will
be attached to a metal chain along side the
data plate. See diagram 2.
4. Reverse steps 3-1.
Diagram 2
Caution: Carbon will be produced if the air
shutter is closed too much.
Note: Any damage due to carboning re-
sulting from improperly setting the
aeration controls is NOT covered
under warranty.
Note: Aeration Adjustment should only
be performed by an authorized
Regency
installation or service.
Flame picture
gas pipe
pressure testing
The appliance must be isolated from the gas sup-
ply piping system by closing its individual manual
shut-off valve during any pressure testing of the gas
Diagram 1
supply piping system at test pressures equal to or
less than 1/2 psig. (3.45 kPa). Disconnect piping
from valve at pressures over 1/2 psig.
The manifold pressure is controlled by a regulator
built into the gas control, and should be checked
at the pressure test point.
Note: To properly check gas pressure,
both inlet and manifold pressures
should be checked using the valve
pressure ports on the valve.
1. Make sure the valve is in the "OFF" position.
2. Loosen the "IN" and/or "OUT" pressure tap(s),
turning counterclockwise with a 1/8" wide flat
screwdriver.
3. Attach manometer to "IN" and/or "OUT" pres-
sure tap(s) using a 5/16" ID hose.
4. Light the pilot and turn the valve to "ON" posi-
tion. Read manometer.
5. The pressure check should be carried out with
the unit burning and the setting should be within
the limits specified on the safety label.
6. When finished reading manometer, turn off the
gas valve, disconnect the hose and tighten the
screw (clockwise) with a 1/8" flat screwdriver.
Note: Screw should be snug, but do not over
tighten
Installer at the time of
®
installation
885 S.I.T. Valve Description
1) 6 Stage flame adjustment
2) Pilot adjustment
3) Inlet Pressure Tap
4) Outlet Pressure Tap
5) Pilot Outlet
6) Main Gas Outlet
7) Main Gas Inlet
4
3
4
3
2
2
1
1
5
5
6
6
RC500E |
7
7
45
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