Emerson Copeland Scroll UltraTech CoreSense Application Engineering Bulletin Download

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AE8-1385 R1

Safety

Safety Instructions .................................................................2

Safety Icon Explanation ........................................................2

Instructions Pertaining to Risk of Electrical Shock, Fire,

or Injury to Persons ...............................................................3

Safety Statements .................................................................3

Introduction

Overview ...............................................................................4

Application Restrictions and Types .......................................4

Product Specifications

...........................................................4

Installation

Mounting ...............................................................................4

Terminal Description ..............................................................4

Operation

Compressor Protection .........................................................5

Module LED Description .......................................................5

Module Operation/Code Description .....................................5

Resetting Alert Codes ...........................................................6

Service

Module History Download .....................................................6

Warranty Information .............................................................6

Support ..................................................................................6

Figures and Tables

Wires Pulled Through Module ...............................................6

Module Dimensions in Millimeters .........................................7

Terminal Locations ................................................................7

Wiring Diagram .....................................................................8

Flash Code Description .........................................................9

LED Troubleshooting Information ...................................... 10-12

TABLE OF CONTENTS

AE8-1385 R1

CoreSense

™

Diagnostics

for Copeland Scroll

™

UltraTech

™

Air Conditioning Compressors

February 2015

Summary of Contents for Copeland Scroll UltraTech CoreSense

Page 1: ...rminal Description 4 Operation Compressor Protection 5 Module LED Description 5 Module Operation Code Description 5 Resetting Alert Codes 6 Service Module History Download 6 Warranty Information 6 Support 6 Figures and Tables Wires Pulled Through Module 6 Module Dimensions in Millimeters 7 Terminal Locations 7 Wiring Diagram 8 Flash Code Description 9 LED Troubleshooting Information 10 12 TABLE OF...

Page 2: ...asis has been placed on the user s safety Safey icons are explained below and safety instructions applicable to the products in this bulletin are grouped on Page 3 These instructions should be retained throughout the lifetime of the compessor You are strongly advised to follow these safety instructions Safety Icon Explanation DANGER indicates a hazardous situation which if not avoided will result ...

Page 3: ...must be used Failure to follow these warnings could result in serious personal injury BURN HAZARD Do not touch the compressor until it has cooled down Ensure that materials and wiring do not touch high temperature areas of the compressor Use caution when brazing system components Personal safety equipment must be used Failure to follow these warnings could result in serious personal injury or prop...

Page 4: ... in lbs Locate the module near the compressor contactor wire routing for compressor run common and start wires will be easier in this position The module can be mounted in any orientation and LEDs should be visible for ease of service The compressor s run R common C and start S wires are routed through the holes in the CoreSense module marked R C and S See Figure 1 Terminal Description The termina...

Page 5: ...ll not lockout the compressor for this condition This code is inactive for heat pumps Code 2 Compressor Pressure Trips The module will flash yellow two times when the compressor operates from 12 seconds to 15 minutes followed by a trip condition lasting longer than 7 minutes When four consecutive or ten total Code 2 events are recorded the module will lockout the compressor and flash red two times...

Page 6: ...lear the present ALERT or TRIP LOCK and allow for normal operation Figure 1 Wires Pulled Through Module SERVICE WARNING Always disconnect and lockout the power supply before beginning electrical troubleshooting Module History Download The CoreSense Diagnostics module is capable of communicating with a personal computer tablet or laptop via Emerson Climate Technologies computer software interface H...

Page 7: ...r second stage is energized when Y Y2 are 24VAC PROT breaks 24VAC common leg of compressor contactor coil Reset codes and PROT lockout by removing 24VAC to module Flash Event Two Stage Control Active Protection C S R 47 37 62 112 67 Figure 2 Module Dimensions in Millimeters Y2 Y Data Port L R C PROT Solenoid For Use With Copeland Scroll UltraTech Compressors P N 543 XXXX XX 065312345 Patent 6 615 ...

Page 8: ...Technologies AE8 1385 R1 2 Stage Thermostat Indoor Unit Outdoor Unit C R Y1 Y2 C R L Y Y2 L DC Solenoid Solenoid CoreSense High Low Pressure Switch CC Compressor Contactor C R Y1 Y2 L C R Y1 Y2 L Prot Figure 4 Wiring Diagram ...

Page 9: ...ash 4 Code5 Yellow Flash 5 Compressor moderate run trip Compressor runs for 15min to 18hrs followed by a compressor trip lasting longer than 7min 4x consecutive 10x total Red Flash 5 Code6 Red Flash 6 Open start circuit Module has detected Y or Y1 and current in the R winding of the compressor and no current in the S winding of the compressor for 2 seconds 1 occurrence Red Flash 6 Code7 Red Flash ...

Page 10: ...heck ductwork or registers for blockage 4 Faulty metering device Check TXV bulb installation size location and contact Check if TXV fixed orifice is stuck closed or defective 5 Liquid line restriction filter drier blocked if present in system 6 Thermostat is malfunctioning Check thermostat sub base or wiring for short circuit Check thermostat installation location level Yellow ALERT Flash Code 2 C...

Page 11: ...18V 1 Control Circuit transformer is overloaded 2 Low line voltage contact utility if voltage at disconnect is low LOCKOUT Flash Codes Red LOCKOUT Flash Code 2 Yellow Off Compressor Pressure Trip Compressor is locked out after 4 consecutive or 10 total compressor pressure trip events 1 Condenser fan is not running Check fan capacitor Check fan wiring and connectors Check fan motor for failure or b...

Page 12: ...motor winding resistance Red LOCKOUT Flash Code 7 Yellow Off Open Run Circuit Current only in start circuit 1 Open circuit in compressor run wiring or connections Check wiring and connectors between supply and the compressor R terminal Confirm proper wire routing per Figure 1 2 Compressor run winding is damaged Check compressor motor winding resistance Red LOCKOUT Flash Code 10 Over Current Protec...

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Emerson Copeland Scroll UltraTech CoreSense, Application Engineering Bulletin

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