,WARNING
This unit is equipped with an automatic spark ignition
system. There is no pilot. In case of a safety shutdown,
move thermostat switch to OFF and return the thermostat
switch to HEAT to reset ignition control. See figure 1. For
units which have electronic temperature control devices,
shut off the main disconnect and return it to the on position
to reset the ignition control.
/_ THERMOSTAT .
HEAT I!! lil COOL
50 60 70 80
10 15 20 2530
\\\\'_\\\"III1"////'1111
I II I
I
FAN ON HEAT OFF COOL
FIGURE 1
A-Placing Unit In Operation
,WARNING
Gas Valve Operation for White Rodgers 36C (figure 2)
and Honeywell VR8305Q (figure 3)
1- Set thermostat to lowest setting.
2- Turn off all electrical power to furnace.
3- This furnace is equipped with an ignition device which
automatically lights the burner. Do not try to light the
burner by hand.
4- Open or remove the heat section access panel.
5- Turn the knob on the gas valve clockwise 4_ to
"OFF". Depress 36C knob slightly. Do not force.
6- Wait five (5) 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 instructions. If you do not smell gas, go to
the next step.
7- Turn the knob on the gas valve counterclockwise41_
to "ON". Do not force.
8- Close or replace the heat section access panel.
9- Turn on all electrical power to furnace.
10- Set thermostat to desired setting.
11- The combustion air inducer will start. The burners will
light within 40 seconds.
12- If the furnace does not light the first time (gas line not
fully purged), itwill attempt up to two more ignitions
before locking out.
WHITE RODGERS 36C76 GAS VALVE
INLET
PRESSURE
STAGE2 MANIFOLD
PRESSURE ADJUSTMENT
SCREW UNDER CAP
MANIFOLD
PRESSURE
TAP_SIDE)
FIGURE 2
HONEYWELL VR8305Q SERIES GAS VALVE
LOW FIRE
HIGH FIRE ADJUSTMENT
ADJUSTMENT
,
PRESSURE I(( _ _ 4'''_t_" ,
TAP L._._=Vi oF_/
Gas valve knob is shown in OFF position,
MANIFOLD
PRESSURE
TAP
FIGURE 3
13- If lockout occurs, repeat steps 1 through 10.
14- If the furnace will not operate, follow the instructions
"Turning Off Gas to Furnace" and call your service
technician or gas supplier.
Page 3
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