York YCIV - Vibration Isolation; General Options; Evaporator Options

JOHNSON CONTROLS8
FORM 201.23-EG2 (713)
Accessories and Options
sidesoftheunittovisuallyscreenandprotectcoils.
(Factory-mounted)
• Louvered Panels (full unit) – Louvered panels,
paintedthesamecolorastheunit,enclosetheunit
to protect condenser coils from incidental damage,
visually screen internal components, and prevent
unauthorized access to internal components. (Fac-
tory-mounted)
• Louvered(Condensers)/WirePanels(Mechanical)
–Louveredpanels,paintedthesamecolorastheunit,
aremountedonexternalcondensercoilfaces.Heavy
gauge,weldedwire-mesh,coatedtoresistcorrosion,
aroundbaseofmachinetorestrictunauthorizedac-
cess.(Factory-mounted)
EVAPORATOR OPTIONS:
• 38mm(1-1/2”)Insulation–Doublethicknessinsula-
tionprovided.(Factory-mounted)
• Raised Face Flange Accessoryforcoolernozzles:
♦ 10.3 barg (150 psig), welded anges (eld kit,
matchingpipeangebycontractor).
♦ 10.3barg(150psig)companionweldanges.(eld
kit).
♦ 150psig(10.3barg),ANSI/AWWA C-606 COU-
PLINGS(eldkit,matchingpipeangebycontrac-
tor).
• OppositeHandedEvaporatorWaterConnections
foreaseofinstallation.Standardwaterconnections
areontheleft-handsideoftheunit,whenviewedfrom
thecontrolpanelend.
GENERAL OPTIONS:
FLOW SWITCH ACCESSORY - VaporproofSPDT,NEMA
3Rswitch,10.3barg(150psig)DWP,-7°Cto121°C(20°F
to250°F)with1”NPT(IPS)connectionforuprightmount-
inginhorizontalpipe(Thisowswitchorequivalentmust
befurnishedwitheachunit).(Field-mounted).
DIFFERENTIAL PRESSURE SWITCH - Alternativeto
thepaddle-typeowswitch.0.2-3barg(3-45psig)range
with1/4"NPTEpressureconnections.(Field-mounted)
BUILDING AUTOMATION SYSTEM INTERFACE -Chiller
toaccept4to20mAor0to10VDCinputtoresettheleav-
ingchilledliquidtemperature.(Factory-mounted)
MULTI-UNIT SEQUENCE CONTROL - Separate se-
quencing control center provided to permitting control
ofup to eightchillersinparallel based on mixedliquid
temperature(interconnectingwiringbyothers).(Field-
mounted)
SERVICE ISOLATION VALVE–Servicesuctionisolation
valveaddedtounitforeachrefrigerantcircuit.(Factory-
mounted)
CHICAGO CODE RELIEF VALVE -Specialreliefvalves
perChicagocode.(Factory-mounted)
PRESSURE RELIEF (CE/PED) SERVICE VALVE KIT
- Eachreliefvalveismountedonasealableballvalveto
aidmaintenance.(Factory-mounted)
CIRCUIT BREAKER–Powerpanelwillcomeequipped
with a factory mounted circuit breaker at the point of
incomingsingleormulti-pointconnectionsthatprovides
thefollowing:
• Ameanstodisconnectpowermountedonchiller.
• Circuitbreaker(s)sizedtoprovidethemotorbranch
circuitprotection,shortcircuitprotectionandground
faultprotectionforthemotorbranch-circuitconductors,
themotorcontrolapparatusandthemotors.(Chiller
mountedcircuitbreakeroptionsizedforbranchcircuit
protectioneliminatestheneedtoprovideaseparate
‘lineofsight’disconnectandseparatebranchcircuit
protectiondevice.)
• A lockable operating handle that extends through
power panel door.This allows power to be discon-
nectedwithoutopeninganypaneldoors.
• A Short Circuit Withstand Rating of 65,000 amps
whenthechillerelectricalenclosurewhenusingcir-
cuitbreaker option is380,400, &460.Rated IAW
UL508.
VIBRATION ISOLATION:
• ElastomericIsolation–Thisoptionisrecommended
fornormalinstallations.Itprovidesverygoodperfor-
manceinmostapplicationsfortheleastcost.(Field-
mounted)
• 25mm(1”)SpringIsolators–Springandcagetype
isolatorsformountingundertheunitbaserails.They
areleveladjustable.1”nominaldeectionmayvary
slightlybyapplication.(Field-mounted)
• 51mm(2”)SeismicSpringIsolators–Restrained
Spring-FlexMountingisolatorsincorporatearugged
weldedsteelhousingwithverticalandhorizontallimit
stops. Housings designed to withstand a minimum
1.0gacceleratedforceinalldirectionsupto51mm
(2”).Thedeectionmayvaryslightlybyapplication.
Theyareleveladjustable.(Field-mounted)