York DM090 installation manual Electronic Thermostat Field Wiring

Page 18

035-17311-003-A-0704

THERMOSTAT1

TERMINALS

RC

RH

Y1

Y2

W1

W2

G

C

X1

X3

2

X4

A1

A2

T

T

TOREMOTESENSOR 2ET04701324IFUSED

UNITTERMINALS

STRIPTB1

R

Y1

Y2

W1

W2

G

C

24Volt

XTransformer

OCC

1ElectronicprogrammableThermostat2ET0770010024(includessubbase).

2TerminalsA1andA2providearelayoutputtoclosetheoutdoor economizerdamperswhenthethermostatswitchestotheset-backposition.

FIGURE 17 - ELECTRONIC THERMOSTAT FIELD WIRING

T-STAT

W1

W2

Y1

G

Y2

C

RH

RC

W1

W2

Y1

G

OCC

MINREMOTE POS

Y2

X

UNITCONTROL

BOARD

R

SD

C

FIGURE 18 - FIELD WIRING 24 VOLT THERMOSTAT

18	Unitary Products Group

Image 18

Contents Installation Manual Table of Contents List of Figures List of Tables Inspection Safety ConsiderationsGeneral Reference½ 12½ Ton Predator Model Number Nomenclature NomenclatureNOMENCLATURE, Additonal Options Johnson UNT Controller, DFS, APS & Phase Monitor Technicoat Condenser Coil, Phase Monitor, & Coil Guard Installation Installation Safety InformationPreceding Installation Unit Temperature Limitations LocationRigging and Handling Point Load Weight Length of Forks Must be a Minimum of 60 InchesDetail B Detail a Detail CBottom Duct Openings from Above Ductwork Duct CoversSide Panels with Hole Plugs Condensate Drain Power and Control Wiring Thermostat WiringControl Wire Sizes Power Wiring DetailElectronic Thermostat Field Wiring RLA Electrical Data DM120 10 TON with Power Convenience Outlet 380 11.5 75.0OPTIONS/ACCESSORIES Physical DataMinimum Supply AIR CFM Economizer and Power Exhaust SET Point Adjustments and InformationEnthalpy SET Point Chart Supply AIR Limitations PhasingBlower Rotation Belt Tension1/2 TON Standard Motor Down Shot Blower PERFORMANCE* † 1/2 TON Optional Motor Down Shot Blower PERFORMANCE* †10 TON Standard Motor Down Shot Blower PERFORMANCE* † 10 TON Optional Motor Down Shot Blower PERFORMANCE* †12-1/2 TON Standard Motor Down Shot Blower PERFORMANCE* † 12-1/2 TON Optional Motor Down Shot Blower PERFORMANCE* †1/2 TON Standard Motor Side Shot Blower PERFORMANCE* † 1/2 TON Optional Motor Side Shot Blower PERFORMANCE* †10 TON Standard Motor Down Shot Blower PERFORMANCE* † 12-1/2 TON Standard Motor Side Shot Blower PERFORMANCE* † 12-1/2 TON Optional Motor Side Shot Blower PERFORMANCE* †Checking AIR Quantity Indoor Blower SpecificationsAIR Balance Method ONE Method TWODRY Coil Delta P Supply AIR Drive Adjustment Motor Sheave Datum Diameters OperationAdditional Static Resistance Sequence of Operations OverviewCooling Sequence of Operation Safety Controls Compressor ProtectionElectric Heating Sequence of Operations Electric Heating Operation ErrorsElectric Heat Limit Setting Electric Heat Antictpator SetpointsSTART-UP Cooling Charging the Unit10 TON Standard Efficiency Superheat Charging 12.5 TON Standard Efficiency Superheat ChargingNormal Maintenance Troubleshooting GeneralPredator Flash Codes Basic Troubleshooting Flowchart Unit Control Board Flash CodesCooling Troubleshooting Guide Unitary Products Group 035-17311-003-A-0704 Unitary 5005 Norman Products York Group Drive 73069