Lennox KGC Series Unit Information page 28

C-Placing Unit In Operation
WARNING
Danger of explosion and fire. Can cause
injury or product or property damage. You
must follow these instructions exactly.
Gas Valve Operation FIGURE 18 and FIGURE 19
WHITE RODGERS 36H54 GAS VALVE
INLET
PRESSURE
TAP
GAS VALVE SWITCH SHOWN IN ON POSITION.
FIGURE 18
HONEYWELL VR8205Q/VR8305Q GAS VALVE
HIGH FIRE
ADJUSTMENT
ADJUSTMENT
INLET
PRESSURE
TAP
Gas valve knob is shown in OFF position.
FIGURE 19
1 - Set thermostat to lowest setting.
2 - Turn off all electrical power to appliance.
3 - This appliance 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 gas valve switch to OFF. See FIGURE 18. On
Honeywell VR8305Q gas valves, turn the knob on
the gas valve clockwise to "OFF". Do not force. See
FIGURE 19.
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.
MANIFOLD
PRESSURE
TAP
HIGH FIRE
ADJUSTMENT
LOW FIRE
ADJUSTMENT
LOW FIRE
MANIFOLD
PRESSURE
TAP
7 - Turn gas valve switch to ON. See FIGURE 18. On
Honeywell VR8305Q gas valves, turn the knob on
the gas valve counter clockwise to "ON". Do not
force. See FIGURE 19.
8 - Close or replace the heat section access panel.
9 - Turn on all electrical power to appliance.
10 - Set thermostat to desired setting.
11 - The ignition sequence will start.
12 - If the appliance does not light the first time (gas
line not fully purged), it will attempt up to two more
Lorem ipsum
ignitions before locking out.
13 - If lockout occurs, repeat steps 1 through 10.
14 - If the appliance will not operate, follow the
instructions
15 - "Turning Off Gas to Appliance" and call your service
technician or gas supplier.
Turning Off Gas to Unit
1 - If using an electromechanical thermostat, set to the
lowest setting.
2 - Before performing any service, turn off all electrical
power to the appliance.
3 - Open or remove the heat section access panel.
4 - Turn gas valve switch to OFF. See FIGURE 18. On
Honeywell VR8305Q gas valves, turn the knob on
the gas valve clockwise to "OFF". Do not force. See
FIGURE 19.
5 - Close or replace the heat section access panel.
Danger of explosion. Can cause injury or
death. Do not attempt to light manually.
Unit has a direct spark ignition system.
D-Safety or Emergency Shutdown
Turn off power and main manual shut off valve to unit.
E - Cooling Start Up
If unit is equipped with a crankcase heater. Make sure
heater is energized 24 hours before unit start- up to
prevent compressor damage as a result of slugging.
Supply Air Inverter Units - Refer to the Inverter Start-Up
section for further instruction on blower control.
Compressor 1 is a two-stage compressor. Compressor 2
is a single-stage compressor.
1 - Initiate first, second, and third stage cooling
demands according to instructions provided with
thermostat.
Page 28
WARNING
IMPORTANT