20
The furnace may be installed for either left or right side
clearance between the gas supply line and the entry
hole in the furnace casing to avoid unwanted noise and/
or damage to the furnace. A typical gas service hookup
is shown in .
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
The soap and water solution can be applied on each
must be retightened. Repeat the tightening and soap
check process until bubbling ceases.
IMPORTANT NOTE
High Altitude Application
The installation of this furnace at altitudes above 2,000
Please consult your local code authority.
thermostat will not use the higher of its
output. 21) lists the highest running step
and its associated manifold pressures for each altitude.
WARNING:
FIRE OR EXPLOSION HAZARD
WHAT TO DO IF YOU SMELL GAS
IMPORTANT NOTES:
21)
run to the unit as shown in
Figure 18
30) 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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