
RP424PFC Indoor Gas Fireplace
Page 23
XG0781 - 151104
Installation
Accent
Light Wiring
Control Cable
Gas Inlet
Gas Pressure
Optimum appliance performance requires proper inlet 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:
Pressure Requirements
Gas Pressure
Natural Gas
Propane
Maximum Inlet Pressure
14" WC (1/2 psi) 14" WC (1/2 psi)
Minimum Inlet Pressure
(with fireplace on)
5.5" W.C.
11" W.C.
Manifold Pressure
3.5" W.C.
+/- 0.2
10" W.C.
+/- 0.3
Section 5: Installing the gas line
Figure 37. Identifying the Gas Inlet
See
Section 8
for instructions on how to test the gas pressure.
Montigo requires a service shut off valve be located in an
accessible location to isolate the appliance.
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 37
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" MPT gas inlet.
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.
psi. This will damage the gas control valve.