431-5000485 Rev.4
READ AND SAVE THESE INSTRUCTIONS
Itis highly recommended thatyoudonot openorclose the
stopvalveswhenthe outdoortemperature isbelow-5°F
(-21°C),as this maycauserefrigerant leakage.
Donot touchthefinsofthe coil.Touchingthecoilfinscould
resultindamage tothefinsor personalinjury.
Ensurethepowercircuitcapacityisadequateforallloads
connectedtothe electrical servicepanel.Increasethe
conductorandpanel capacityifthetotalelectricalloads
exceedthepowersourcecapacity.
Contactthepowerutilityifthepowerprovided isbelow
equipmentratingplaterequirements.
Besuretoinstalla circuitbreakerofthe specifiedcapacity.
Refertolocalrequirements regarding typeand kindof
circuitbreaker,powerwiring, and control cable.
Regulation of cablesandbreaker differsfromeach locality.
Beawareofthese regulationspriortoinstallation.
Donot use existingrefrigerantlines.
Userefrigeranttubingthatisclean and freeofany
contaminationwhichmaycause damage tothesystem,
includingsulfur,copperoxide,dust,metal chips,powder,oil
orwater.
Avoidcouplinglineswhenever possible.Usea continuous
lengthof coppertubing,as oxidesformedduringimproper
brazingtechniquescandamage the equipment.
Do not usecopperpipesthat havea collapsed,deformed,
ordiscoloredportion(especiallyon the interiorsurface).
Otherwise,the expansionvalveorcapillary tubemay
becomeblocked with contaminants.
Improperlinesizing willdegradeperformance. Peak
pressureofR410A is muchhigherthan R22. UseACR
coppertubingwithadequatewallthickness.
Usea tubingbender tochangepipingdirection. Makesure
theradiusof the bendisnoless than4”.
Ifthe pipe isbentrepeatedlyat thesameplace,itwill break.
BEFOREYOUBEGIN
Readtheseinstructionscompletelyandcarefully.
•IMPORTANT –Savetheseinstructionsfor
localinspector’s use.
•IMPORTANT –Observeallgoverning
codesand ordinances. Useforfuture reference.
• Note to Installer – Be sure to leave these instructions with the
equipmentowner.
• Note to Equipment Owner – Keep these instructions for
futurereference.
• Skill level – A licensed certified technician (tohandle
refrigerant R-410A, recovery,etc.) and a qualifiedelectrician
are requiredfor installationandserviceof this equipment.
• Useteamliftforinstallationofthisproduct
• Properinstallation istheresponsibilityoftheinstaller.
• Productfailure due to improper installation is notcovered
underthelimitedwarranty.
• Forpersonal safety,this systemmustbe properly
grounded.
• Protectivedevices (fusesorcircuitbreakers)acceptablefor
installationare specified onthenameplateofeach unit.
• Pipingorwiringwithinwallsmustbeprotectedperlocalcode.
CAUTION
• Aluminumelectrical wiringmaypresent special
problems - consulta qualifiedelectrician.
• Whenthe unitis intheSTOPposition,there is still
voltagetotheelectrical controls.
CAUTION
READ ALL INSTRUCTIONS BEFORE USING THE SYSTEM
IMPORTANTSAFETYINFORMATION
