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TYPICAL ELECTROMECHANICAL THERMOSTAT
FIGURE 1
Placing Unit Into Operation
WARNING
Danger of explosion and fire. Can cause
injury or product or property damage.
You must follow these instructions ex-
actly.
Gas Valve Operation for Honeywell
VR8205Q/VR8305Q (figure 2)
HONEYWELL VR8205Q/VR8305Q SERIES GAS VALVE
Gas valve knob is shown in
OFF
position.
FIGURE 2
LOW FIRE
ADJUSTMENT
HIGH FIRE
ADJUSTMENT
INLET
PRESSURE
TAP
MANIFOLD
PRESSURE
TAP
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
to
OFF"
. 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 counterclockwise
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 ignition sequence will start.
12− If the furnace does not light the first time (gas line not
fully purged), it will attempt up to two more ignitions
before locking out.
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.
Turning Off Gas to Furnace
1− If using an electromechanical thermostat, set to the
lowest setting.
2− Before performing any service, turn off all electrical
power to the furnace.
3− Open or remove the heat section access panel.
4− Turn the knob on the gas valve clockwise
to
OFF"
. Do not force.
5− Close or replace the heat section access panel.
WARNING
Danger of explosion. Can cause injury or
death. Do not attempt to light manually.
Unit has a direct spark ignition system.
