GM9S80 Installation Manual
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must extend at least three feet above the highest point
where it passes through the roof. It must extend at least two
feet higher than any portion of a building within a horizontal
distance of 10 feet. In addition, the chimney must terminate
at least three feet above any forced air inlet located within
alteration to comply with electrical codes should not be re-
Refer to the wiring diagram for wire routings. If any of the
original wire as supplied with the furnace must be replaced,
it must be replaced with wiring material having a tempera-
be a copper conductor.
Before proceeding with electrical connections, ensure that
the supply voltage, frequency, and phase correspond to that
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cable codes. The furnace must be electrically grounded in
accordance with local codes or, in their absence, with the
properly sized wire, and fuse or circuit breaker. The fuse or
circuit breaker must be sized in accordance with the max-
plate. An electrical disconnect must be provided at the fur-
nace location.
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ing diagram located on the unit’s blower door. Metal conduit
is not considered a substitute for an actual ground wire to
the unit.
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tions. Line voltage connections can be made through either
for a right side electrical connection with the junction box lo-
cated inside the burner compartment (blower compartment
opposite side of the furnace, the junction box must be relo-
cated to the other side of the burner (or blower) compart-
ment prior to making electrical connections. To relocate the
junction box, follow the steps shown below.
Wire routing must not to interfere with circulator