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installation
Aeration Adjustment
The air shutter can be adjusted by moving the adjust-
ing wire up or down. The wire is accessed through
the bottom. Open the air shutter for a blue flame
or close for a yellower flame. The burner aeration
is factory set but may need adjusting due to either
the local gas supply or altitude.
Minimum Air Shutter Opening:
3/16"
Natural Gas
1/4"
Propane
CAUTION: Carbon will be produced if air shutter
is closed too much.
Note: Any damage due to carboning resulting
from improperly setting the aeration
controls is NOT covered under warranty.
Note: Aeration Adjustment should only be
performed by an authorized FPI Installer
at the time of installation or service.
Pull adjustment wire
up or down to close aeration.
Closed - Tall yellow
Open - Short Blue
34
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
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" pressure
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.
Valve Description
1) Gas on/off knob
2) Manual high/low adjustment
3) Pilot Adjustment
4) Thermocouple Connection
5) Main Operator
6) Outlet Pressure Tap (Manifold Pressure)
7) Inlet Pressure Tap (Supply Pressure)
8) Pilot Outlet
9) Main Gas Outlet
10) Flange Securing Screw Holes
11) Alternative TC Connection Point
12) Thermoelectric Unit
13) Additional Valve Mounting Hole
Hampton® H15U-NG/LP Direct Vent Freestanding Gas Stove
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