22
The furnace may be installed with either left or right side
gas entry. When connecting the gas supply, provide
clearance between the gas supply line and the entry hole
in the furnace casing to avoid unwanted noise and/or
damage to the furnace. Typical gas hookups are shown
in Figure 25 & Figure 26.
WARNING:
FIRE OR EXPLOSION HAZARD
After the gas piping to the furnace is complete, all
connections must be tested for gas leaks. This includes
pipe connections at the main gas valve, emergency
shutoff valve and flexible gas connectors (if applicable).
The soap and water solution can be applied on each
joint or union using a small paintbrush. If any bubbling is
observed, the connection is not sealed adequately and
must be retightened. Repeat the tightening and soap
check process until bubbling ceases.
IMPORTANT NOTE:
High altitude conversion with this furnace depends on
the installation altitude and the heating value of the gas.
Installation of this furnace at altitudes above 2,000 feet
shall be in accordance with local codes, or in the absence
of local codes, the National Fuel Gas Code, ANSI Z223.1/
NFPA 54 or National Standard of Canada, Natural Gas &
Propane Installation Code CGA B149.1. Please consult
your local code authority.
WARNING:
GAS SUPPLY & PIPING
WARNING:
FIRE OR EXPLOSION HAZARD
WHAT TO DO IF YOU SMELL GAS
instructions.
Codes.
24)
& 25)
run to the unit. See Figure 25 or Figure 26.
Table 12 (page 42) lists gas flow capacities for standard
pipe sizes as a function of length in typical applications
based on nominal pressure drop in the line.
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