Carrier 48HC Service Manual and Error Code 34 Troubleshooting Guide

Page 34

LEGEND

AWG	Ð	American Wire Gage
BR	Ð	Blower Relay

CÐ Contactor

CAP	Ð	Capacitor
COMP	Ð Compressor Motor
CR	Ð Combustion Relay
EQUIP	Ð	Equipment
FS	Ð	Flame Sensor
FU	Ð	Fuse
GND	Ð Ground
GVR	Ð Gas Valve Relay
HS	Ð Hall Effect Sensor
HV TRAN	Ð	High-Voltage Transformer

IÐ Ignitor

IDM	Ð	Induced-Draft Motor
IFM	Ð	Indoor-Fan Motor
IGC	Ð	Integrated Gas Control
LS	Ð	Limit Switch
MGV	Ð Main Gas Valve
NEC	Ð	National Electrical Code
OFM	Ð Outdoor-Fan Motor
PWR	Ð Power

QT	Ð Quadruple Terminal
RS	Ð Rollout Switch
TRAN	Ð Transformer
	Field Splice
	Terminal (Marked)
	Terminal (Unmarked)
	Splice
	Splice (Marked)
	Factory Wiring
	Field Control Wiring
	Field Power Wiring
	Accessory or Optional Wiring
	To Indicate Common Potential
	Only, Not to Represent Wiring

NOTES:

1.If any of the original wire furnished must be replaced, it must be re- placed with type 90 C wire or its equivalent.

2.Use copper conductors only.

Fig. 33 Ð 460-3-60 Wiring Diagram, Units 48SX036-048

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Image 34

Contents Contents Safety Considerations48SS018-042 Without Base Rail, Unit Dimensions 48SS018-042 With Optional Base Rail, Unit Dimensions 48SS048,060 Without Base Rail, Unit Dimensions 48SS048,060 With Optional Base Rail, Unit Dimensions 48SX024-036 Without Base Rail, Unit Dimensions 48SX024-036 With Optional Base Rail, Unit Dimensions 48SX042-060 Without Base Rail, Unit Dimensions 48SX042-060 With Optional Base Rail, Unit Dimensions Provide Unit Support Receiving and InstallationCheck Equipment Rig and Place UnitPart Number CurbUnit MAX WeightUnit Connect Condensate Drain Condensate TrapPhysical Data Ð Unit 48SS Unit Size 48SSPhysical Data Ð Unit 48SX Unit Size 48SXSediment Trap Maximum Gas Flow Capacity Supply and Return Duct OpeningsInstall Electrical Connections Vertical Discharge Cover RemovedÐ Electrical Data Ð Unit 48SS RLA LRA Ð Electrical Data Ð Unit 48SXRange Motor FLA MCAHigh- and Control-Voltage Connections PRE-START-UP Easy Select Interface BoardStart Up Heating Section and Make Adjustments START-UPPressure Unit 48SS,SX Rated Gas Inputs at Indicated Manifold PressuresGAS Supply Pressure Manifold Natural GAS Propane Number OrificesHeating Temperature Rise F Input Monoport BurnersError Code LED Indication Start Up Cooling Section and Make AdjustmentsLED Indications 208/230-1-60 Wiring Diagram, Units 48SS018-060 208/230-3-60 Wiring Diagram, Units 48SS030-060 460-3-60 Wiring Diagram, Units 48SS036-060 208/230-1-60 Wiring Diagram, Units 48SX024-042 208/230-1-60 Wiring Diagram, Units 48SX048,060 208/230-3-60 Wiring Diagram, Units 48SX036-042 208/230-3-60 Wiring Diagram, Units 48SX048,060 460-3-60 Wiring Diagram, Units 48SX036-048 Checking and Adjusting Refrigerant Charge Ð Superheat Charging Table, 48SS018 Ð Superheat Charging Table, 48SS024Ð Superheat Charging Table, 48SS036 Ð Superheat Charging Table, 48SS030Ð Superheat Charging Table, 48SS042 Ð Superheat Charging Table, 48SS060 Ð Superheat Charging Table, 48SX030 Ð Superheat Charging Table, 48SX024Ð Superheat Charging Table, 48SX036 Ð Superheat Charging Table, 48SX048 Ð Superheat Charging Table, 48SX042Ð Superheat Charging Table, 48SX060 Temp F Required Suction-Tube Temperature FSuperheat Unit Motor AIRExternal Static Pressure in. wg 48SX Unit 48SX FAN only Cfm Cooling CfmWet Coil Pressure Drop MaintenanceUnit Size Airflow Pressure Drop Unit Top Removal Air FilterEvaporator Blower and Motor Burner Access Panel Condenser Coil, Evaporator Coil, and Conden Condenser FanTroubleshooting CoolingHeating Burners will not igniteService Training LED Troubleshooting Ð Error CodePage Preliminary Information Remove and Store in Job FileIII. START-UP