USER’S MANUAL
IMPORTANT SAFETY INFORMATION
WARNING:
To avoid possible equipment damage, fire,
or death, the following instructions must be
observed regarding unit maintenance and
operational procedures.
Please read all information in this manual thoroughly
and become familiar with the capabilities and use of your
appliance before attempting to operate or maintain this
unit. Pay attention to all safety warnings and any other
special notes highlighted in the manual. Safety markings
are used frequently throughout this manual to designate a
degree or level of seriousness and should not be ignored.
WARNING indicates a potentially hazardous situation
that if not avoided, could result in personal injury or death.
CAUTION indicates a potentially hazardous situation that
if not avoided, may result in minor or moderate injury or
property damage.
Keep this literature where you have easy access to it in
the future. If a problem occurs, check the instructions and
follow recommendations given. If these suggestions don’t
eliminate your problem, call your servicing contractor. Do
not attempt to service this unit yourself!
of equipment. Improper installation, adjustment, alteration, service, or maintenance can
warnings contained within these instructions and on the unit.
WARNING:
!
• To achieve optimum performance and minimize
equipment failure, it is recommended that periodic
maintenance be performed on this unit. The ability
to properly perform maintenance on this equipment
requires certain mechanical skills and tools. Please
consult your dealer for maintenance information and
availability of maintenance contracts.
• Theareaaroundthecoolingunitamustbekeptclear
and free of combustible materials, gasoline, and other
flammable vapors and liquids. Do not store or use
flammable items such as paint, varnish, or strippers
in the vicinity of the unit.
• Donotusetheareaaroundtheunitasastoragearea.
Thisarea mustbe keptclean andclear ofloose or
exposed insulation materials. Examine the unit’s area
when it is installed or when insulation is added, since
some insulation materials may be combustible.
• Donotusethisapplianceifanyparthasbeenunder
water. Immediately call a qualified service technician to
inspect the unit and to replace any part of the control
system and any gas control which has been under
water.
• Familiarizeyourselfwiththecontrolsthatshutoffthe
electrical power to the unit. If the unit needs to be shut
down for an extended period of time, turn off electrical
poweratthecircuitbreaker.Foryoursafetyalwaysturn
off the electrical power before performing service or
maintenance on the unit
TWO - STAGE | R-410A |
2
Your heat pump is a unique, all weather comfort-control
appliance that will heat and cool your home year round and
provide energy saving comfort. It’s often not recognized
that heat is always in the air, even when the outside
temperature is below freezing. The heat pump uses
this basic fact of physics to provide energy saving heat
during the winter months. For example, If the outdoor
temperatureis47°F(8°C),yourheatpumpcandeliver
approximately 3.5 units of heat energy per each unit of
electrical energy used, as compared to a maximum of
only 1 unit of heat energy produced with conventional
electric heating systems.
In colder temperatures, the heat pump performs like an air
conditioner run in reverse. Available heat energy outside
the home is absorbed by the refrigerant and released
insidethehome.Thisefcientprocessmeansyouonly
pay for “moving” the heat from the outdoors to the indoor
area. You do not pay to generate the heat, as with more
traditional means of heating.
During summer, the heat pump reverses the flow of the
heat-absorbing refrigerant to become an energy-efficient,
central air conditioner. Excess heat energy inside the
home is absorbed by the refrigerant and released outside
the home.
OPERATING INSTRUCTIONS
Thermostat styles vary.Please referto the thermostat
manufacturer’s User manual for detailed programming
instructions.
1.Setthethermostat’ssystemmodetoCOOLandchange
thefanmodetoAUTO.
2. Set the temperature selector to the desired temperature
level.Theoutdoorfan,compressor,andblowermotorwill
all cycle on and off to maintain the indoor temperature
at the desired cooling level.
NOTE: If the temperature level is re-adjusted, or the
system mode is reset, the fan and compressor in the
outdoor unit may not start immediately. A protective
timer circuit holds the compressor and the outdoor
fan off for typically 3 to 5 minutes following a previous
operation or the interruption of the main electrical power
before restarting.
3. When the difference between temperature setpoint
and actual room temperature is relatively small, the
unit will operate at stage 1 and a lower indoor blower
air flow rate is used. When that temperature difference
ishigherthansomevalue(determinedbythespecic
themostatused),theunitwilloperateatStage2,anda
higherairowratewillbeused.Theoutdoorequiment
will operate at one or more different speeds in each of
these stages, depending on the heat pump model.
1.Setthethermostat’ssystemmodetoHEATandchange
thefanmodetoAUTO.
2. Set the temperature selector to the desired temperature
level.Thecompressor,outdoorfan,andblowermotor
will cycle on and off to maintain the indoor temperature
at the desired heating level.
NOTE: If the temperature level is re-adjusted, or the
system mode is reset, the fan and compressor in the
outdoor unit may not start immediately. A protective
timer circuit holds the compressor and the outdoor
fan off for typically 3 to 5 minutes following a previous
operation or the interruption of the main electrical power
before restarting.
3. When the difference between temperature setpoint
and actual room temperature is relatively small, the
unit will operate at stage 1 and a lower indoor blower
air flow rate is used. When that temperature difference
ishigherthansomevalue(determinedbythespecic
themostatused),theunitwilloperateatStage2,anda
higherairowratewillbeused.Theoutdoorequiment
will operate at one or more different speeds in each of
these stages, depending on the heat pump model.
Many thermostats include a system operating mode called
EmergencyHeat(abbreviatedEMHTorAUXHT,etc).In
this mode, heating is provided solely by the backup means
(electricstripheatorgasfurnace),andtheheatpump
isnotused.Thismaytypicallybeselectedbytheuser
when there is a problem with the heat pump equipment,
when the outdoor temperature is too low for heat pump
operation, or for any other reason or preference. Some
thermostats automatically revert to backup heating means
under certain conditions. Refer to the thermostat manual.
TheuserisadvisedtoavoidusingEmergencyHeatexcept
under exceptional circumstances, since the energy costs
are likely to be significantly higher than with the heat pump
During cold weather heat pump operation, the outdoor unit
will develop a coating of snow and ice on the heat transfer
coil.Thisisnormalandtheunitwilldefrostitself.Thisunit
features Demand Defrost that monitors ambient and coil
temperatures to regulate the defrost function accordingly.
At the beginning of the defrost cycle, both the outdoor
condenser fan and compressor will turn off. After a brief
delay, the compressor will turn on and begin to heat the
outdoor coil causing the ice and snow to melt. NOTE:
While the ice and snow is melting, some steam may rise
from the outdoor unit as the warm coil causes the melting
frost to evaporate. When defrost is completed, the outdoor
fan motor will start, and the compressor will turn off again.
After a brief delay, the compressor will start up again and
continue normal operation.
3
Fan
Mode
Temperature
Selector
System
Mode
1.Set the thermostat system switch to AUTO and the
thermostatfanswitchtoAUTO.
NOTE:Thermostats will vary. Some models will not
includetheAUTOmode,otherswillhavetheAUTOin
placeofHEATandCOOL,andsomewillincludeallthree.
2. Set the thermostat temperature to the desired heating
andcoolingtemperaturelevel(s).Theoutdoorunitand
the indoor blower will then cycle on and off in either
the heating or cooling mode of operation as required
to automatically maintain the indoor temperature within
the desired limits.
Continuousindoorbloweroperationistypicallyusedto
circulate the indoor air to equalize a temperature imbalance
due to a solar load, cooking, or fireplace operation.
SetthethermostatfanmodetoON(Figure1).Theindoor
blower starts immediately, and will run continuously until
thefanmodeisresettoAUTO.
Continuous indoor blower operation can be obtained
with the thermostat system mode set in any position,
includingOFF.
Changethethermostat’ssystemmodetoOFFandthe
fanmodetoAUTO.NOTE:Thesystemwillnotoperate,
regardless of the temperature selector setting.
BeforeyoucallaTechnician,checkthefollowing:
• Checkthethermostatsetting.Makesurethesystem
mode and temperature settings are correct.
• Checktheelectricalpanelfortrippedcircuitbreakers.
• Checktheltersfordustaccumulation.
• Checktheunitandmakesureitiscleanandnotcovered
with grass or leaves.
• Iftheitemsabovedon’tresolveyourproblems,then
call your nearest service technician.
WARNING:
This heat pump contains liquid and gaseous
refrigerant under pressure. Installation and
equipment and safe responsible refrigerant
this warning could result in equipment damage,
WARNING:
or death, disconnect all electrical power to
Proper maintenance is important to achieve optimum
performancefromtheheatpump.Theabilitytoproperly
perform maintenance on this equipment requires certain
mechanical skills and tools. If you do not possess these
skills,contactyourdealerformaintenance.Consultyour
local dealer about the availability of maintenance contracts.
Routinemaintenanceshouldincludethefollowing:
Regular Cleaning
CAUTION:
components while cleaning the unit.
• Theareaaroundtheunitandthevicinityofanyother
appliances must be kept clear and free of combustible
materials, gasoline, and other flammable vapors and
liquids. Do not store or use flammable items such as
gasoline, paint, varnish, or strippers in the vicinity of
the unit.
• Keeptheoutdoorunitclean.Hoseoffperiodicallyand
keep unit fins clear of leaves and grass clippings. Be
careful not to damage the aluminum fins. Clean
Specifications & illustrations subject to change without notice or incurring obligations.
O'Fallon,MO|PrintedinU.S.A.(05/12)
7093780 (NEW)
WARRANTY INFORMATION
A warranty certificate with full details is included with the
equipment. Carefully review these responsibilities with
yourdealer orservice company.The manufacturer will
not be responsible for any expenses found necessary
to correct problems due to improper setup, improper
installation, adjustments, improper operating procedure
on the part of the user, etc.
Some specific examples of service calls which are not
includedinthelimitedwarrantyare:
• Correcting wiring problems in the electrical circuit
supplying the equipment.
• Resettingcircuitbreakersorotherswitches.
• Adjustingorcalibratingofthermostat.
the outdoor coil and fins as necessary using a mild
detergent and water. Rinse thoroughly with water.
• Keeptheoutdoorunitclearofobstructions.DONOT
obstructairowwithtallplantsorshrubs.Checkforand
remove any obstructions such as twigs, sticks, etc.
• Inspectthe indoor condensate drainand coil at the
beginning of each cooling season. Remove any debris.
• Annually inspect the physicalsupport of the unit to
ensure that it is physically sound without sagging,
cracks, gaps, etc.
Air Filters
WARNING:
Never operate the unit without a filter in the
air can build up on the internal components,
damage, and possible fire risk.
• Inspectandcleanorreplaceairltersatthebeginning
of each heating and cooling season, or more frequently
if required. A clogged filter could cause airflow related
problems and reduce the overall efficiency of your
unit.
being replaced.
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