Maytag CSH1BE User manual
Split System Heat Pump
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!
• Undernocircumstancesshouldtheapplianceownerattempttoinstalland/orservicethis
equipment. Some local codes require licensed installation / service personnel for this
type of equipment. Improper service, adjustment, or maintenance may cause explosion,
fire, electrical shock or other hazardous conditions which may result in personal injury or
property damage.
• Readtheseinstructionsthoroughlybeforeusingtheequipment.Followallprecautionsand
warnings contained within these instructions and on the unit.
• Improper installation, adjustment, alteration, service, or maintenance can cause personal
injury or property damage. Refer to this manual. For assistance or additional information,
consult a qualified installer or service agency.
• Donotstoreorusegasolineorotherammablevaporsandliquidsinthevicinityofthisor
any other appliance.
DONOTDESTROY.PLEASEREADCAREFULLYANDKEEPINASAFEPLACEFORFUTUREREFERENCE.
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 must be keptclean andclearof loose 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
2
ABOUT THE HEAT PUMP
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 an unknown fact
that heat is always in the air, even when the outside
temperatureisbelowfreezing.Theheatpumpusesthis
basic law of physics to provide energy saving heat during
thewintermonths.Forexample,Iftheoutdoortemperature
is47°F(8°C),yourheatpumpcandeliverapproximately
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 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 exhausted
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 furnace designs.
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 exhausted
outside the home.
OPERATING INSTRUCTIONS
Thermostat stylesvary. Somemodelsmaynotinclude
theAUTOmodeandotherswillhavetheAUTOinplace
oftheHEATand COOL.Others mayinclude all three.
Please refer to the thermostat’s User Manual for detailed
programming instructions.
Thethermostatshouldbemountedabout5feetabovethe
floor 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.
Cooling Operation Only
1. Setthethermostat’ssystemmodetoCOOLorAUTO
andchangethefanmodetoAUTO.SeeFigure1
2. Set the temperature selector to the desired
temperaturelevel.Theoutdoorfan,compressor,and
blower motor will 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 approximately three minutes following a
previous operation or the interruption of the main
electrical power.
Heating Operation Only
1. Setthethermostat’ssystemmodetoHEATorAUTO
andchangethefanmodetoAUTO.SeeFigure1.
2. Set the temperature selector to the desired
temperaturelevel.Thecompressor,outdoorfan,and
blower motor 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 approximately three minutes following a
previous operation or the interruption of the main
electrical power.
Emergency Heat
Some thermostats may include a system mode called EM
HTorAUXHT,etc.Thisisaback-upheatingmodethat
should only be used if a problem is suspected. With the
modesettoEMHT,etc.,thecompressorandoutdoorfan
willbelockedoffandsupplementalheat(electricresistance
heating)willbeusedasasourceofheat.Sustaineduse
of electric resistance heat in place of the heat pump will
result in an increase in electric utility costs.
DefrostOperation
During cold weather heating operation, the outdoor unit
will develop a coating of snow and ice on the heat transfer
coil.Thisisnormalandtheunitwilldefrostitself.Thisunit
features Adaptive 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
approximately 30 seconds, the compressor will turn on
and begin to heat the outdoor coil causing the ice and
snow to melt.
Figure1.DigitalThermostat
Fan
Mode
Temperature
Selector
System
Mode
3
NOTE: While the ice and snow are melting, some water
vapor 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. In approximately 30
seconds the compressor will start up again and continue
normal operation.
Operating the Heat Pump for Automatic
Cooling & Heating
1. SetthethermostatsystemswitchtoAUTOandthe
thermostatfanswitchtoAUTO.SeeFigure1
NOTE:Thermostats will vary. Some models will not
include the AUTO mode, and others will have the
AUTOinplaceoftheHEATandCOOL,andsome
will include all three.
2. Set the thermostat temperature to the desired heating
and cooling temperature level(s).The outdoor unit
and 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.
Operating the Indoor Blower Continuously
Thecontinuousindoorbloweroperationistypicallyusedto
circulate the indoor air to equalize a temperature unbalance
due to a sun load, cooking, or fireplace operation.
SetthethermostatfanmodetoON(Figure1).Theindoor
blower starts immediately, and will run continually until the
fanmodeisresettoAUTO.
Thecontinuousindoorbloweroperationcanbeobtained
with the thermostat system mode set in any position,
includingOFF.
Shutting the Heat Pump Off
Changethethermostat’ssystemmodetoOFFandthefan
modetoAUTO.SeeFigure1. NOTE:Thesystemwillnot
operate, regardless of the temperature selector setting
TROUBLESHOOTING
BeforeyoucallaTechnician,checkthefollowing:
• Checkthethermostatsetting.Makesurethesystem
mode and temperature settings are correct.
• Checktheelectricalpanelfortrippedcircuitbreakers.
• Checktheltersfordustaccumulation.
• Check the unit and make sure it is clean and not
covered with grass or leaves.
• Iftheitemsabovedon’tresolveyourproblems,then
call your nearest service technician.
HEAT PUMP MAINTENANCE
WARNING:
This heat pump contains liquid and gaseous
refrigerant under pressure. Installation and
servicing should only be attempted by qualified,
trained personnel thoroughly familiar with the
equipment and safe responsible refrigerant
handling procedures. Failure to comply with
this warning could result in equipment damage,
personal injury, or death.
WARNING:
To prevent electrical shock, personal injury,
or death, disconnect all electrical power to
the unit before performing any maintenance
or service. The unit may have more than one
electrical supply.
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:
DO NOT touch any of the internal electrical
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
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.
• Inspectthecondensatedrainandoutdoorcoilatthe
beginning of each cooling season. Remove any debris.
• Annually inspect the physical support of the unit to
ensure that it is physically sound without sagging,
cracks, gaps, etc.
WARRANTY INFORMATION
A warranty certificate with full details is included with the
equipment. Carefully review these responsibilities with
yourdealerorservicecompany.Themanufacturerwillnot
be responsible for any costs 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.
Air Filters
WARNING:
Never operate the unit without a filter in the
returnair system. Dust and lint inthe return
air can build up on the internal components,
resulting in loss of efficiency, equipment
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.
Always replace disposable filter(s) installed in your
system only with the same size dimensional filters
that are being replaced.
709573A (Replaces7095730)
Specications&illustrationssubjecttochangewithoutnoticeorincurringobligations(05/15).
O’Fallon,MO,©NortekGlobalHVACLLC2015.AllRightsReserved.
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