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ABOUT THE GAS HEATING / ELECTRIC
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,improperuse,and/orimpropermaintenancecanshorten
thelifeoftheapplianceandcreateunsafehazards.Aregular
service and maintenance schedule should be established to
ensure efficient and safe operation of the unit. See System
Maintenanceonpage5.
OPERATING INSTRUCTIONS
Thermostatstylesvary.SomemodelsmaynotincludetheAUTO
mode and others will have the AUTO in place of the HEAT
andCOOL.Othersmayincludeallthree.Pleaserefertothe
thermostat’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.
CoolingOperation(1or2StageOperation)
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.
For2-StageModelsOnly:If Stage 1 cool does not satisfy the
thermostatdemand,stage2coolwillenergize.Theoutdoor
compressor and indoor blower will ramp to high speed.
NOTE: 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.
HeatingOperation(1or2StageOperation)
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.
For2-StageModelsOnly:If Stage 1 heat does not satisfy the
thermostatdemand,stage2heatwillenergize.Theinducer
motor and indoor blower will ramp to high speed.
Figure1.DigitalThermostat
FAN
MODE
TEMPERATURE
SELECTOR
SYSTEM
MODE
WARNING:
Ifoverheatingoccurs,orthegassupplyfailsto
shutoff,shutoffthegasvalvetotheunitbefore
shuttingofftheelectricalsupply.
SystemShutdown
Setthethermostat system modetoOFF (see Figure1)and
thethermostatfanmodetoAUTO.NOTE:Thesystemwillnot
operate, regardless of the thermostat temperature selector’s
setting.
ContinuousIndoorBlowerOperation
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.
Set
thethermostatfanmodetoON(seeFigure1).Theindoor
blower will start immediately and will run continually until the fan
switchisresettoAUTO.NOTE:Onsomethermostatmodels
thesettingmaybecalledCONT.
Thecontinuousindoorbloweroperationcanbeobtainedwith
thethermostatsystemswitchsetinanyposition,includingOFF.
GAS HEATING / ELECTRIC COOLING UNITS
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