User manual
3
OPERATING INSTRUCTIONS
Thermostat styles vary. Some models may not include the
AUTOmode and others willhave theAUTO inplace of the
HEATandCOOL.Othersmayincludeallthree.Pleaserefer
to the thermostat manufacturer’s User manual for detailed
programming instructions.
Thethermostatshouldbemountedabout5feetabovetheoor
on an inside wall and not on an outside wall or other location
where its operation may be adversely affected by radiant heat
from fireplaces, sunlight, or lighting fixtures, and convective heat
from warm air registers or electrical appliances.
1. SetthethermostatsystemmodetoCOOLandthethermostat
fanmodetoAUTO.SeeFigure1.
2. Set the thermostat temperature selector to the desired
temperature level. The outdoor fan, compressor, and
indoor blower will all cycle on and off to maintain the indoor
temperature at the desired cooling level.
If Stage 1 cool does not satisfy the thermostat
demand,stage2coolwillenergize.Theoutdoorcompressor
and indoor blower will ramp to high speed.
NOTE 2: If the temperature level is re-adjusted, or the system
mode is reset, the fan and compressor in the outdoor unit
maynotstartimmediately.Theremaybeaprotectivetimer
circuit in the thermostat which holds the compressor and
theoutdoorfanoffforapproximately5minutesfollowinga
previous operation or the interruption of the main electrical
power.
1. SetthethermostatsystemmodetoHeatandthethermostat
fanmodetoAUTO.SeeFigure1.
2. Set the thermostat temperature selector to the desired
temperaturelevel.Theindoorblowerandgasheatmodule
will cycle on and off to maintain the indoor temperature at
the desired heating level.
NOTE: If Stage 1 heat does not satisfy the thermostat
demand,stage2heatwillenergize.Theoutdoorcompressor
and indoor blower will ramp to high speed.
WARNING:
NOTE:Thisunitisequippedwithamanual-resetameroll-out
limitswitch.Thisswitchactstoverifythattheburnerameis
being drawn into the heat exchanger tubes. If the flame is not
being drawn into the tubes, the flame roll-out switch will open
withinseveralseconds.Whenthisswitchopens,thegasvalve
willde-energizetostoptheowofgas.Theindoorblowermotor
will stay energized and continue to operate until the thermostat
is satisfied or the switch is closed. Do not reset the flame roll-
out switch before identifying and correcting the fault condition
that caused the switch to open. If the switch will not reset or
continues to open, immediately contact a qualified serviceman
to identify and repair the problem.
SetthethermostatsystemmodetoOFFandthethermostatfan
modetoAUTO.SeeFigure1.NOTE:Thesystemwillnotoperate,
regardless of the thermostat temperature selector’s setting.
Set thethermostatfanmodetoON(orCONTonsomethermostat
models).SeeFigure1.
Theindoorblowerwillstartimmediately,andwillruncontinually
untilthefanswitchisresettoAUTO.
Thecontinuousindoorbloweroperationcanbeobtainedwith
thethermostatsystemswitchsetinanyposition,includingOFF.
The continuous indoor blower operation is typically used to
circulate the indoor air to equalize a temperature imbalance
due to a solar load, cooking, or fireplace operation.
COOLING UNIT
Thisgasheatingunitwithelectriccoolinghasbeendesigned
and built to provide many years of safe and dependable comfort,
providingitisproperlyinstalledandmaintained.Withregular
maintenance, this unit will operate satisfactorily year after year.
Abuse, improper use, and/or improper maintenance can shorten
the life of the appliance and create unsafe hazards. A regular
service and maintenance schedule should be established to
ensure efficient and safe operation of the unit. See System
Maintenanceonpage5