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Section 6: Installing the Gas Line
FUEL CONVERSION
Verify that your fireplace is compatible with your available
„
gas type. (Natural Gas or Propane shown by "N" or "L" in
your model number
If gas type is not compatible, contact your local Montigo
„
representative to purchase a conversion kit.
Conversion kits must be installed by a qualified service
„
technician.
GAS PRESSURE
Optimum appliance performance requires proper input
„
pressures.
Gas line sizing requirements will be determined in ANSI
„
Z221.3 National Fuel Gas Code in the USA and CAN/CGA
B149 in Canada.
Pressure requirements are:
Pressure Requirements
Gas Pressure
Minimum Inlet Pressure
Manifold Pressure
The manifold outlet pressure is set from the factory to the
„
appropriate pressure but should be verified.
To check pressures, control valves have a provision to remove
„
a 1/8" N.PT. plug to be fitted with a hose barb.
Montigo requires a service shut off valve be located in an
„
accessible location to isolate the gas supply.
Only install gas shut-off valves approved for use by the state,
„
province, or other governing body in which the fireplace is
being installed.
GAS CONNECTION
See Figure 22 below for location of gas line access.
„
Flexible gas connectors must not exceed 3 feet in length,
„
unless allowable within local regulations.
Connect incoming gas line to the 1/2"or 3/8" gas inlet port.
„
Purge all air out of gas line.
„
Check appliance connection, valve and valve train under
„
normal operating pressure with a commercially available
leak check solution.
DO NOT USE A FLAME OF ANY KIND TO TEST FOR
„
LEAKS.
Note:
After gas line is connected, each appliance connection,
valve and valve train must be checked while under
normal operating pressure with either a liquid solution, or
leak detection device, to locate any source of leak. Tighten
any areas where bubbling appears or leak is detected until
bubbling stops completely or leak is no longer detected.
Important Note: The flexible gas line supplied with the H36PV*
may not be acceptable in the jurisdiction
which this fireplace is being installed. Please
check the Local Gas codes or bylaws for the
State or Province prior to installation.
XG0649 - 080921
Installation
Installation
Natural Gas
5.5" W.C.
3.5" W.C.
H36PVN Power Vent Indoor Gas Fireplace
Figure 14. Gas line access. (See Figure 1,
L-H Side View)
Gas line & valve: Exterior Access
The H36PVN is supplied one (1) one exterior access Panel (LH-side
firebox). This panel is fastened directly to the exterior of the firebox
with sheet metal screws. To remove the panel follow the steps below:
Exterior gas
access panel
hardware, 10-pcs.
Figure 15. (Removing the Gas valve
panel hardware).
Gas In, Figure 14
Figure 15b. (Incoming gas supply line (supplied by Montigo)
and top of Gas valve).
NOTICE
When pressure testing the fireplace, Gas line, and input system follow the appropriate
local codes or your area. DO NOT connect the fireplace to pressures in excess of
1/2lb. This will damage the gas control valve.
4"
Flexible Input
Gasline,
(Supplied)
10"
Back of
Fireplace
3"
Figure 15a. (Inset)
Gas Valve
Page 25
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