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8
INSTALLATION AND GAS SUPPLY CONNECTION (ALL MODELS)
WARNING:
Be certain that combustible flooring material (i.e.; carpet, tile etc.) is not too close to this gas appliance. If this
appliance is at floor level or less than 6” above the floor, there must be at least 12” of noncombustible material
between the base of the fireplace and any combustible flooring.
MINIMUM AND MAXIMUM INLET GAS SUPPLY PRESSURE
The minimum inlet gas supply pressure shall be 5 inches of water column on Natural Gas and 11 inches of water
column on Propane. The maximum inlet gas supply pressure shall be 7 inches of water column on Natural Gas and
14 inches of water column on Propane. The appliance and its main gas valve must be disconnected from the gas
supply piping system during any pressure testing of that system at test pressures in excess of 1/2 psi (3.5 kPa) and
isolated from the gas supply piping system during any pressure testing at equal to or less than 1/2 psi (3.5 kPa).
STEP TWO: BURNER INSTALLATION AND GAS SUPPLY CONNECTION
1. Insure that the Gas Supply to the Fireplace is turned off and verify correct gas type and proper gas pressures.
2. Seal threads of gas supply with pipe compound, then thread 1/2” FIP x 3/8” Flared Elbow (Figures 3 and 4A) onto the
Gas Supply Pipe (Figures 3 and 4B) and wrench tighten.
3. Place The ALTERNA™ inside firebox or approved enclosure centered from left to right and as far to the rear of the fire-
box as possible. Thread one end of the supplied Flex Connector (Figures 3 and 4C below) to the Gas Input (Figure
4D), then connect the other end to the 1/2” FIP x 3/8” Flared Elbow (Figures 3 and 4A) attached to the Gas Supply
Pipe. If Flex Connector is bent into too small a radius it may kink or break causing air flow noise and/or gas leaks.
The minimum dimensions of the fireplace in which this ALTERNA™ is to be installed, allowing adequate clearances for acces-
sibility for purposes of servicing and proper installation are as follows; Minimum opening height 16 inches, Firebox depth, 14”
inches (Figure 3 above). Width shall be a minimum of 6” greater than front width of ALTERNA.
Depth
Minimum
18”
B) Gas Supply
A) 1/2” FIP x 3/8”
Flared Elbow
Front Width
Minimum 6” greater than front width of Alterna
FIGURE 3
Top View
(AFB24 used for
example)
A) 1/2” FIP x 3/8”
Flared Elbow
FIGURE 4
Right Side View
Gas Input
B) Gas Supply
C) Flex Connector Connected from 1/2” FIP x 3/8” Elbow to Gas Input
C) Flex Connector
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