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FPI U31-2 Gas Fireplace Insert
INSTALLATION
TEST FOR FLUE
SPILLAGE
A " spillage" test must be made before the
installed unit is left with the customer. Follow
the procedure below:
1) Start all exhaust fans in the home and then
close all external doors and windows in the
house.
2) Light the unit and set controls to maximum.
Turn fan off.
The manifold pressure is controlled by a regulator
built into the gas control, and should be checked
at the pressure test point. The pressure check
should be carried out with the unit burning and the
setting should be within the limits specifi ed.
GAS INSERT AERATION
SYSTEM
The aeration adjustment rod is attached to the
air shutter which is located just above the orifi ce
bracket. The rod is used to adjust the aeration
on the main burner without having to take the
appliance apart.
The burner aeration is factory set but may need
adjusting due to either the local gas supply, air
supply or altitude.
Natural Gas: 1/8" (3.2mm) open
Propane: 3/16" (4.8mm) open
Note: Any damage due to carboning result-
ing from improperly setting the aera-
tion 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.
with the screw hole in the top of the fi rebox.
The screw is secured through the inside top
of the fi rebox into the bottom of the spill tube.
(If screw holes do not line up then draft hood
is not positioned correctly.)
NOTE: fi nal gas connection should be
after unit is in place to avoid damage
to line when pushing the unit into
position.
VENTING
Diagram 1
Diagram 2
THE APPLIANCE MUST NOT BE
CONNECTED TO A CHIMNEY FLUE
SERVING A SEPARATE SOLID
FUEL BURNING APPLIANCE.
This appliance is designed to attach to a 4" diam-
eter type B-Vent or listed gas fuel type vent liner
running the full length of the chimney. A minimum
fl ue height of 12 feet is recommended. B-Vent
must be supported by a vent support - supplied
by vent manufacturer. See chart on this page
for minimum distances from roof.
TheFPI Insert incorporates its own internal
draft hood, so no additional external draft hood
is required.
Periodically check that the vent is unrestricted
and an adequate draft is present when the unit
is in operation. (See page 8 for spillage test.)
Before installing vent system ensure that the
damper plate is open and secure to prevent
the damper plate from falling down and crush-
ing the liner.
WARNING: Operation of this ap-
pliance when not connected to a
properly installed and maintained
venting system or tampering with
the blocked vent shutoff system
can result in carbon monoxide (CO)
poisoning and possible death.
Combustion and Ventilation Air
WARNING: This appliance needs
fresh air for safe operation and must
be installed with provisions for ad-
equate combustion and ventilation
air available to the room in which it
is to be operating.
Follow CAN/CGA B149 (in Canada) or ANSI
Z223.1 (in the USA) requirements, and any
local codes or regulations of the enforcing
authority.
Air for combustion is drawn in through the front
of the unit, therefore, the front of the unit must
be kept clear of any obstructions.
GAS PRESSURE TEST
The unit is preset to give the correct gas input
at the specifi ed manifold pressures shown on
the label. The maximum gas manifold pressure
is:
Natural Gas 3.8" w.c.
Propane 11.0" w.c.