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installation
21. Adjusting the Outlet Pressure
All the adjustments must be carried out in the following order:
Remove the modulator plastic cap (A) using needle nose pliers.
Maximum pressure: Turn the unit ON to its highest input
rating. Screw in the nut (B) to increase the outlet pressure and
screw it out to decrease it. Use a 10 mm wrench.
NOTE: The outlet pressure must be set to maximum 2.49 kPa.
Minimum pressure: Remove one of the cables connected to the
electric modulator. While holding the nut (B) with a wrench, screw
in the screw (C) to increase the pressure and screw it out to
decrease it. Use a screwdriver 6 x 1 blade.
After carrying out all adjustments, block the setting screws with
paint, taking care not to obstruct the breather orifi ce of the pres-
sure.
Put back the modulator plastic cap.
WARNING: To ensure the correct operation of the modulator it is
necessary that the plastic cap (A) is returned to its original loca-
tion.
NOTE: The outlet pressure must be set to minimum 1.6
kPa.
B
22. Turn on gas supply and plug in power cord.
23. At the end of all setting and adjustment operations, check electri-
cal installation and gas leaks.
24. Check operation of fl ame control.
25. Check for proper fl ame appearance and glow on logs.
These instructions must be left
with the appliance.
919-131a
32
Cable
Electric
Modulator
A
C
Installer Notice:
845 S.I.T. VALVE
DESCRIPTION
1) On-Off Solenoid Valve EV1
2) On-Off Solenoid Valve EV2
3) Inlet Pressure Test Point
4) Outlet Pressure Test Point
5) Connection for Pressure Regulator/Combustion
Chamber Compensation
6) Pressure Regulator for Minimum and Maximum
Outlet Pressure
7) Gas Outlet Pressure Electric Modulator
8) Pilot Outlet
9) Main Gas Outlet
AERATION ADJUSTMENT
The burner aeration is factory set but may need
adjusting due to either the local gas supply or
altitude. Open the air shutter for a blue flame or
close for a more yellow flame.
Minimum Air Shutter Opening:
NG
4.8mm
LP
13mm
ULPG
Full Open
Note: Any damage due to carboning resulting
from improperly setting the aeration
controls is NOT covered under warranty.
3
GF900
05/05/14
Regency GF900L-1 Gas Fireplace
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