INSTALLATION INSTRUCTIONS
AIR CONDITIONER
DX17VSS AIR CONDITIONING
INSTALLATION & SERVICE REFERENCE
Index
Important Safety InStructIonS ............................................. 1
ShIppIng InSpectIon .............................................................. 1
codeS & regulatIonS .......................................................... 2
featureS.............................................................................. 2
Before InStallatIon .............................................................2
precautIonS for SelectIng a locatIon ................................. 2
precautIonS for InStallatIon ............................................... 3
InStallatIon clearanceS ......................................................3
rooftop InStallatIonS .........................................................3
electrIcal noISe ................................................................. 4
Safety conSIderatIonS......................................................... 4
refrIgerant lIneS ............................................................... 6
refrIgerant lIne connectIonS ............................................. 8
leak teStIng (nItrogen or nItrogen-traced) ...................... 8
SyStem Start-up procedure ................................................ 9
Start-up procedure detaIl .................................................. 9
electrIcal connectIonS ......................................................9
calculate refrIgerant charge BaSed on lIne Set length
... 12
connect aIr condItIoner to SyStem .................................. 13
SyStem Start-up teSt (In caSe of ctk04) ........................ 14
Set thermoStat to charge mode (In caSe of ctk04)
... 17
adjuSt refrIgerant level .................................................20
meaSure SuBcoolIng to verIfy proper charge ................. 20
fIeld SelectaBle BooSt mode (In caSe of ctk04) ........... 21
dehumIdIfIcatIon (In caSe of ctk04) ................................. 24
nIght mode (In caSe of ctk04) ........................................ 25
comfortnet™ SyStem .......................................................28
aIr condItIoner advanced feature menu ........................... 30
WIrIng dIagram ................................................................ 33
teStIng capacItor reSIStance ............................................34
coolIng analySIS chart .................................................... 35
trouBleShootIng ...............................................................36
SettIng the mode dISplay .................................................. 41
7-Segment dISplay ............................................................. 47
aIr condItIonIng homeoWner’S routIne maIntenance
recommendatIonS ........................................................ 49
Start up checklISt ........................................................... 50
Important Safety InStructIonS
The following symbols and labels are used throughout this
manual to indicate immediate or potential safety hazards. It is
the owner’s and installer’s responsibility to read and comply
with all safety information and instructions accompanying
these symbols. Failure to heed safety information increases
the risk of personal injury, property damage, and/or product
damage.
WARNING
HIGH VOLTAGE !
dISconnect all poWer Before ServIcIng.
multIple poWer SourceS may Be preSent. faIlure
to do So may cauSe property damage, perSonal
Injury or death.
WARNING
only perSonnel that have Been traIned to InStall, adjuSt, Ser-
vIce or repaIr (hereInafter, “ServIce”) the equIpment SpecIfIed
In thIS manual Should ServIce the equIpment. the manufacturer
WIll not Be reSponSIBle for any Injury or property damage arIS-
Ing from Improper ServIce or ServIce procedureS. If you ServIce
thIS unIt, you aSSume reSponSIBIlIty for any Injury or property
damage WhIch may reSult. In addItIon, In jurISdIctIonS that re-
quIre one or more lIcenSeS to ServIce the equIpment SpecIfIed In
thIS manual, only lIcenSed perSonnel Should ServIce the equIp-
ment. Improper InStallatIon, adjuStment, ServIcIng or repaIr of
the equIpment SpecIfIed In thIS manual, or attemptIng to InStall,
adjuSt, ServIce or repaIr the equIpment SpecIfIed In thIS manual
WIthout proper traInIng may reSult In product damage, property
damage, perSonal Injury or death.
CAUTION
do not WaSh the aIr condItIoner WIth exceSSIve Water. an elec-
trIc Shock or fIre could reSult.
ShIppIng InSpectIon
Always keep the unit upright; laying the unit on its side or top
may cause equipment damage. Shipping damage, and sub-
sequent investigation is the responsibility of the carrier. Verify
the model number, specications, electrical characteristics,
and accessories are correct prior to installation. The distributor
or manufacturer will not accept claims from dealers for trans-
portation damage or installation of incorrectly shipped units.
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