TYPICAL G26 FIELD WIRING DIAGRAM
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TO COMPRESSOR
CONTACTOR
FLAME @
ROLLOUT LIMIT
SWITCH
COMBUSTION
AIR PROVE FIELD
SWITCH MAKE-UP
BOX
v%,%
TRANSFORMER
7 CONTROL
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I LIGAON L
DOOR
INTERLOCK
SWITCH
FOR YOUR SAFETY READ BEFORE LIGHTING
AWARNING
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RI ACK
WHITE
BROWN
TO ACCESSORY IF USED.
(ELECTRONIC AIR CLEANER)
IF NOT NEEDED, DO NOT INSTALL
ACCESSORY WIRE IN J69.
-- -- -- FIELD INSTALLED CLASS II 24V VOLTAGE
-- FIELD iNSTALLED UNE VOLTAGE
FIGURE 32
Gas valve may be equipped with either a gas control knob
or lever. Use only your handto push in or turn the gas con-
trol knob or move the gas control lever. Never use tools. If
the knob will not push in or turn or if lever will not move by
hand, do not try to repair it, call a qualified service techni-
cian. Force or attempted repair may result in a fire or explo-
sion.
G26 units are equipped with a SureLighU" ignition sys-
tem. Do not attempt to manually light burners on this fur-
nace. Each time the thermostat cells for heat, the burners
will automatically light. The ignitor does not get hot when
there is no cell for heat on units with SureLight TM ignition
system.
Gas Valve Operation (Figure 33)
AWARNING
ACAUTION
BEFORE OPERATING smell all around the appliance area
for gas. Be sure to smell next tothe floor because some gas
is heavier than air and will settle on the floor.
1 - STOP! Read the safety informationat the beginningof
this section.
2 - Set thermostat to lowest setting.
3 - Turn offall electrical power to furnace.
4- This furnace is equipped with an ignition device
which automatically lights the burner. Do not try to
light the burners by hand.
5 - Remove the unit access panel.
Page 20
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