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WARNING
Do not use this unit if any part has been under wa-
ter. A flood−damaged unit is extremely dangerous.
Attempts to use the unit can result in fire or explo-
sion. A qualified service agency should be con-
tacted to inspect the unit and to replace all gas
controls, control system parts, electrical parts that
have been wet orto replace the unit if deemed nec-
essary.
Unit Operation
WARNING
Danger of explosion and fire. Can
cause injury or product or property
damage. You must follow these
instructions exactly.
FOR YOUR SAFETY READ BEFORE LIGHTING
BEFORE LIGHTING smell all around the unit area for
gas. Be sure to smell next to the floor because some gas
is heavier than air and will settle on the floor.
Use only your hand to turn the gas control knob. Never
use tools. If the knob will not turn by hand, do not try to
repair it, call a qualified service technician. Force or at-
tempted repair may result in a fire or explosion.
This unit is equipped with an automatic spark ignition sys-
tem. There is no pilot. In case of a safety shutdown, move
thermostat switch to
OFF
and return the thermostat
switch to
HEAT
. An electro−mechanical thermostat is
shown in figure 1. On units with electronic temperature
controls, shut main disconnect off and back on to reset
ignition control.
THERMOSTAT
HEAT
COOL
FAN
50
60 70 80
10
15 2025 30
HEAT OFF COOL
AUTO
ON
Figure 1
To Place Unit into Operation:
1 − Turn off electrical power to unit.
2 − Set thermostat to lowest setting.
3 − Remove heat section access panel.
4 − Turn the gas valve knob to the ON position. Refer to
figure 2.
5 − Replace heat section access panel.
6 − Turn on electrical power to unit.
7 − Set room thermostat to desired temperature. (If ther-
mostat setpoint temperature is above room tempera-
ture after the pre−purge time expires, main burners
will light).
Figure 2
Honeywell VR8205 Series Gas Valve
GAS VALVE SHOWN IN OFF POSITION
To Shut Down:
1 − Set the thermostat to the lowest setting.
2 − Turn off electric power to unit.
3 − Remove heat section access panel.
4 − Turn the gas valve knob to the OFF position.
5 − Replace 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.
Thermostat Operation
There are many styles of thermostats. Though their ap-
pearances may be different, there are many similarities.
System Switch
The thermostat system switch allows you to choose
whether you wish the unit to operate in either the HEAT or
COOL mode. When the HEAT mode is selected, the unit
will operate to satisfy a heating demand. When the COOL
mode is selected, the unit will operate to satisfy a cooling
demand. Some thermostats feature an AUTO system
mode, which automatically switches between the HEAT
and COOL modes to ensure comfort.
Fan Operation
The thermostat fan switch allows you to choose whether
you wish the circulating air blower to operate in either the
AUTO or ON mode. When the AUTO mode is selected,
the circulating air blower will cycle on and off with the cool-
ing or heating demand. When the ON mode is selected,
the circulating air blower will operate continuously.
