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P38DF* Indoor Gas Fireplace
XG0193 - 103111.1
Installation
Section 5-1: FUEL CONVERSION
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Verify that your fireplace is compatible with your available
gas type. (Natural Gas or Propane shown by "N" or "L"
in your model number
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If gas type is not compatible, contact your local Montigo
representative to purchase a conversion kit.
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Conversion kits must be installed by a qualified service
technician.
Section 5-2: GAS PRESSURE
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Optimum appliance performance requires proper input
pressures.
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Gas line sizing requirements will be determined in ANSI
Z223.1/ NFPA 54 National Fuel Gas Code in the USA
and CAN/CGA B149.1 in Canada.
Pressure requirements are:
gas Pressure
natural gas
Propane
Minimum inlet pressure
5.5in. w.c.
11in. w.c.
Manifold pressure
3.5in. w.c.
10in. w.c.
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The manifold outlet pressure is set from the factory to
the appropriate pressure but should be verified.
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To check pressures, control valves have a provision to
remove a 1/8” N.PT. plug to be fitted with a hose barb.
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Montigo requires a service shut off valve be located in
an accessible location to isolate the gas supply.
Q
n
Q
Only install gas shut-off valves approved for use by the
state, province, or other governing body in which the
fireplace is being installed.
Section 5-3:
GAS CONNECTION
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See
Figure 21
for location of gas line access.
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Flexible gas connectors must not exceed 3 feet in length,
unless allowable within local regulations.
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Connect incoming gas line to the 1/2"or 3/8" gas inlet port.
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Purge all air out of gas line.
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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.
1 14 "
2"
8 1/2
Section 5: Installing the Gas Line
Figure 21.
Gas line access.
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.
NOTICE
