Quadra-Fire QV36DC-A - Manual (Page 25)

Quadra-Fire • QV36DC-A • 2161-900 Rev. C • 6/09 28
• Insert insulation from the outside of the fi replace and
pack the insulation tightly to totally seal between the
pipe and the outer casing.
• At the gas line access hole the gap between the supply
piping and gas access hole can be plugged with non-
combustible insulation to prevent cold air infi ltration.
Step 6. The Gas Supply Line
NOTE: Have the gas supply line installed by a qualifi ed
service technician in accordance with all building codes.
(In the Commonwealth of Massachusetts installation must
be performed by a licensed plumber or gas fi tter).
NOTE: Before the fi rst fi ring of the fi replace, the gas supply
line should be purged of any trapped air.
NOTE: Consult local building codes to properly
size the gas supply line leading to the 1/2 inch
(13 mm) hook-up at the unit.
This gas fireplace is designed to accept a 1/2 inch
(13 mm) gas supply line. To install the gas supply line:
• A listed (and Commonwealth of Massachusetts ap-
proved) 1/2 inch (13 mm) tee-handle manual shut-off
valve and a listed fl exible gas connector are connected
to the 1/2 inch (13 mm) inlet of the control valve. NOTE:
If substituting for these components please consult local
codes for compliance.
• Locate the gas line access hole in the outer casing of
the fi replace.
• The gas line may be run from either side of the fi replace
provided the hole in the outer wrap does not exceed 2” in
diameter and it does not penetrate the actual fi rebox.
• Open the fi replace lower grille, insert the gas supply line
through the gas line hole, and connect it to the shut-off
valve.
• When attaching the pipe, support the control so that the
lines are not bent or torn.
• After the gas line installation is complete, all connections
must be tightened and checked for leaks with a com-
mercially available, non-corrosive leak check solution.
Be sure to rinse off all leak check solution following
testing.
WARNING: DO NOT USE AN OPEN FLAME
TO CHECK FOR GAS LEAKS.
!
Step 7. Gas Pressure Requirements
Pressure requirements for gas fi replaces are shown
in the table below.
Pressure Natural Gas Propane
Minimum 5.0 inches 11.0 inches
Inlet Pressure w.c. w.c.
Maximum Inlet 14.0 inches 14.0 inches
Gas Pressure w.c. w.c.
Manifold 3.5 inches 10.0 inches
Pressure w.c. w.c.
A connection is provided on the inlet and outlet side of the
gas control for a test gauge connection to measure the
manifold pressure. Use a small phillips screwdriver to crack
open the screw in the center of the tap. Position a rubber
hose over the tap to obtain the pressure reading.
The fi replace and its individual shut-off valve must be
disconnected from the gas supply piping system during any
pressure testing of the system at test pressures in excess
of one-half (1/2) psig (3.5 kPa).
The fi replace must be isolated from the gas supply piping
system by closing its individual shut-off valve during any
pressure testing of the gas supply piping system at test
pressures equal to or less than one-half (1/2) psig (3.5
kPa).
Figure 33. Gas Supply Line
USE A WRENCH
ON SHUT-OFF VALVE
WHEN TIGHTENING
GAS LINE.
MANUAL
SHUT-OFF VALVE
GAS VALVE
FLEX
CONNECTOR
CONTROL
VALVE
GAS LINE
ACCESS HOLE