Goodmans ASX, GSZ, ASZ, SSX, DSZ, DSX, GSX, SSZ manual OT/EHR18-60 #2

Page 75

ACCESSORIES WIRING DIAGRAMS

HIGH VOLTAGE!

DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS

UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO

DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.

15kw and Above with Two OT/EHR18-60's, Two Stage Electric Heat and Two Stage Thermostat

OT/EHR18-60 #1

From Air Handler

 

BLUE

GREEN

WH

BROWN

RE

 

 

 

 

 

ITE

 

D

 

 

 

C

G

W2

W3

R

 

 

 

BLUE

 

 

 

C

 

 

 

 

 

 

 

3

2

2

WHITE

 

 

 

G

 

 

 

 

 

 

1

4

 

BROWN

 

 

 

W2

1

 

 

 

 

 

 

 

BLACK

 

 

 

W3

 

 

 

RED

 

 

 

EMERGENCY

THERMOSTAT

 

 

 

 

E

 

 

 

 

 

 

HEAT

 

 

 

 

 

 

RELAY

 

 

 

 

 

 

 

 

 

 

 

 

 

R

OT/EHR18-60 #2

 

 

 

 

O

 

 

 

 

 

 

 

Y

 

 

 

BLUE

 

 

 

 

3

2

2

WHITE

 

 

 

 

 

 

 

 

 

 

 

1

4

 

BROWN

 

 

 

 

1

 

 

 

 

 

 

 

 

BLACK

 

 

 

 

 

 

 

RED

 

 

 

 

EMERGENCY

THERMOSTAT

 

 

 

 

 

 

 

 

 

 

 

 

HEAT

 

 

 

 

 

 

RELAY

 

 

 

 

 

 

 

 

 

C

R

W2

O

Y

 

 

 

 

RED

WH

O

YEL

 

 

 

BL

RANGE

 

 

 

UE

ITE

L

 

 

 

 

W

 

 

 

 

 

 

 

O

From Outdoor Unit

Indoor Thermostat

Typical Wiring Schematics for OT/EHR18-60 (Outdoor Thermostat & Emergency Heat Relay).

This wiring diagram is for reference only. Not all wiring is as shown above. Refer to the appropriate wiring diagram for the unit being serviced.

75

Page 74 Page 76
Image 75
Page 74 Page 76
Contents Service Instructions Fax us at 713 Fax us at 931 438 Recognize Safety SYMBOLS, Words and LabelsEmail us at customerservice@goodmanmfg.com Important InformationSafe Refrigerant Handling Split System Heat Pumps R410A Product IdentificationModel # Description Split System Air Conditioners R410A ASX130**1AA Single Piece Air Handlers AWUF****1AA MBR/MBE Air Handlers Product Identification 1824 3642 ASX13 AccessoriesDSX/SSX16 ASX18 ASZ13 DSZ/SSZ16 ASZ18 Expansion Valve Kits FSK01A Coil Accessories Electric Heat Kitapplications Aruf Electric Heat Kitapplications Aepf Condensing Unit Product DesignFigure a Capacity Control Cooling Cycle System OperationHeating CoolingHeating Cycle Defrost CycleCooling Cycle System Operation Description AFE18-60A Control BoardCOOLING/HP Analysis Chart Troubleshooting Chart61B ServicingChecking Voltage Checking WiringChecking THERMOSTAT, WIRING, and Anticipator 3A Thermostat and Wiring3C Heating Anticipator 3B Cooling AnticipatorChecking Cycle Protector Checking Time Delay RelayTesting Coil Circuit Checking Transformer Control CircuitChecking Contactor Contacts Testing Compressor ContactorSingle Phase Checking Contactor AND/OR RelaysTesting FAN Relay Copeland Comfort Alert DiagnosticsDiagnostics Table Checking Capacitor Checking Loss of Charge ProtectorChecking High Pressure Control Checking LOW Pressure Control15A Resistance Check 15B Capacitance CheckRELAY, Start 16B Checking FAN and Blower Motor ECM Motors 16A Checking FAN and Blower Motor Windings PSC MotorsChart on Next Chart from Previous 16C Checking ECM Motor Windings 16D ECM CFM Adjustments MBE / AepfCFM 16E Blower Performance Data 16F Checking GE X13TM MotorsGE X13TM Motor Connections 17B Ground Test Testing Compressor WindingsChecking Compressor 17A Resistance TestCompressor Ground Test 17C Unloader Test ProcedureUnloader Test Procedure 17D Operation TestChecking Reversing Valve and Solenoid Testing Crankcase Heater Optional ItemTesting Defrost Control Testing Defrost ThermostatSequence of Operation 40 MBR/AR*F Electronic Blower Time Delay RelayChecking Heater Limit Controls Checking Heater ElementsHeating Operation MBR/AR*F with Single Stage Heat Pumps41 MBE/AEPF with GSX, SSX, ASX, DSX Defrost OperationMBE/AEPF with Single Stage GSX, ASX and SSX Condensers 41A MBE/AEPF with Single Stage GSZ, SSZ, & ASZ Heat Pumps MBE/AEPF with TWO Stage ASX & DSX Condensers Sequence of OperationMBE/AEPF with TWO Stage ASZ & DSZ Heat Pump Units Electric Heater Optional Item 61A Checking Heater Limit Controls 61B Checking Heater Fuse Link Optional Electric HeatersFormulas Brazing Materials Leak Testing Nitrogen or NITROGEN-TRACEDRefrigeration Repair Practice EvacuationEvacuation ChargingChecking Compressor Efficiency Final Charge AdjustmentTXV Valves 105B Thermostatic Expansion ValvePressure vs. Temperature Chart 410A Required Liquid Line Temperature Checking Subcooling OverfeedingUnderfeeding SuperheatSubcooling Formula = Sat. Liquid Temp. Liquid Line 109A TWO Speed ApplicationChecking Expansion Valve Operation Fixed Orifice Restrictor DevicesCompressor Burnout Checking Restricted Liquid LineOvercharge of Refrigerant NON-CONDENSABLESTube Sizing Accessories for lines greater than 80 feetRefrigerant Piping Long Line SET Application R-410AInstallation Requirements Initial System Charging AIR Handler External StaticCoil Static Pressure Drop Total External StaticStatic Pressure Drop ALL Fuel System AFE18-60A Control Board Accessories Wiring Diagrams10kw and Below, One Stage Electric Heat OT/EHR18-60 #2 GRD PLM PLF XFMR-R XFMR-C After Installing Optional Heat KIT, Mark AN X Provided Above HKR Heat Kit GRD PLM PLF
Top Page Image Contents