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TABLE 10*
7501’ to 10,000’
G60UH(X) Unit
Set Point High
Heat
Set Point Low
Heat
−045
0.35"
0.20"
−070
0.35"
0.20"
−090
0.35"
0.20"
−110
0.40"
0.20"
−135
0.40"
0.20"
*Unit requires conversion kit at this altitude. See High Altitude table.
II−PLACEMENT AND INSTALLATION
Make sure unit is installed in accordance with installation
instructions and applicable codes.
III−START-UP
A−Preliminary and Seasonal Checks
1 − Inspect electrical wiring, both field and factory installed
for loose connections. Tighten as required.
2 − Check voltage at disconnect switch. Voltage must be
within range listed on the nameplate. If not, consult the
power company and have voltage condition corrected
before starting unit.
B−Heating Start-Up
WARNING
Shock and burn hazard.
G60UH(X) units are equipped with a hot surface igni-
tion system. Do not attempt to light manually.
1 −
STOP
! Read the safety information at the beginning of
this section.
2 − Set the thermostat to the lowest setting.
3 − Turn off all electrical power to the unit.
4 − This furnace is equipped with an ignition device which
automatically lights the burners. Do
not
try to light the
burners by hand.
5 − Remove the upper access panel.
6 −
Honeywell VR8205 Gas Valve −
Turn knob on gas
valve clockwise
to
OFF
. Do not force. See figure
11.
7 − Wait five minutes to clear out any gas. If you then smell
gas, STOP! Immediately call your gas supplier from a
neighbor’s phone. Follow the gas supplier’s instruc-
tions. If you do not smell gas go to next step.
FIGURE 11
HONEYWELL VR8205 Series Gas Valve
GAS VALVE SHOWN IN OFF POSITION
MANIFOLD
PRESSURE
TAP
lOW FIRE
ADJUSTMENT
SCREW
(under cap)
INLET PRESSURE TAP
HIGH FIRE
ADJUSTMENT
SCREW
(under cap)
8 −
Honeywell VR8205 Gas Valve −
Turn knob on gas valve
counterclockwise
to
ON
. Do not force. See figure
11.
9 − Replace the upper access panel.
10− Turn on all electrical power to the unit.
11− Set the thermostat to desired setting.
NOTE − When unit is initially started, steps 1 through 11
may need to be repeated to purge air from gas line.
Turning Off Gas To Unit
1 − Set thermostat to lowest setting.
2 − Turn off all electrical power to unit if service is to be per-
formed.
3 − Remove access panel.
4 − Turn knob on Honeywell valve clockwise
to
OFF
. Do
not force.
5 − Replace access panel.
C−Safety or Emergency Shutdown
Turn off unit power. Close manual and main gas valves.
D−Extended Period Shutdown
Turn off thermostat or set to UNOCCUPIED" mode. Close
all gas valves (both internal and external to unit) to guaran-
tee no gas leak into combustion chamber. Turn off power to
unit. All access panels and covers must be in place and se-
cured.