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AE8-1384 R1

Application Engineering

AE8-1384 R1

CoreSense

™

Communications for 20 to 40 Ton

Copeland Scroll

™

Air Conditioning Compressors

January 2012

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

Features ..................................................................4
Application Usage

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

Part Numbers ..........................................................4
Agency Recognition

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

Product Speci

cations .............................................4

Installation

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

Terminal Description and Basic Field Wiring ...........4
Dielectric (Hipot) Testing

..........................................5

Operation

Warning Codes ........................................................5

Alert/Lockout Codes ...................................................5
Resetting

Alert Codes

..............................................6

Commissioning

Communications ......................................................6

DIP Switch Con

guration .........................................7

Jumper Setting ........................................................7
PC Interface Software .............................................7

Service

Field Service

............................................................8

Troubleshooting

.......................................................8

TABLE OF CONTENTS

Section Page Section

Page

Tables

Module Part Numbers ..............................................9

Module Speci

cations ..............................................9

Accessory Parts

.......................................................9

Modbus Map

.....................................................10-12

DIP Switch Purpose ...............................................13
LED Flash Code Information ............................13-14

Figures

CoreSense Communications Photo ......................15

Required OEM Wiring ............................................15

Terminal Box Wiring Diagram ................................16

Thermistor Circuit Cable ........................................17

Binary Diagram

......................................................17

Modbus

Addressing

...............................................18

PC Interface Wiring ...............................................19

Содержание CopeLand CoreSense 571-0064-05

Страница 1: ... Product Specifications 4 Installation Mounting 4 Terminal Description and Basic Field Wiring 4 Dielectric Hipot Testing 5 Operation Warning Codes 5 Alert Lockout Codes 5 Resetting Alert Codes 6 Commissioning Communications 6 DIP Switch Configuration 7 Jumper Setting 7 PC Interface Software 7 Service Field Service 8 Troubleshooting 8 TABLE OF CONTENTS Section Page Section Page Tables Module Part N...

Страница 2: ...tained throughout the lifetime of the compressor You are strongly advised to follow these safety instructions Safety Icon Explanation DANGER indicates a hazardous situation which if not avoided will result in death or serious injury WARNING indicates a hazardous situation which if not avoided could result in death or serious injury CAUTION used with the safety alert symbol indicates a hazardous si...

Страница 3: ...ils Personal safety equipment 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 s...

Страница 4: ...tions modules are not intended to be used as field retrofits for other motor protection modules that may have been previously used with Copeland Scroll compressors The motor and scroll thermistor circuits are configured differently for Copeland Scroll with CoreSense Communications and are not compatible with motor protection modules that were previously used Copeland Scroll compressors equipped wi...

Страница 5: ...ning LED one time indicating the module has not communicated with the master controller for longer than 5 minutes Once communication is reinitiated the Warning will be cleared Code 2 Reserved For Future Use Code 3 Short Cycling The module will flash the green Warning LED three times indicating the compressor has short cycled more than 48 times in 24 hours A short cycle is defined as compressor run...

Страница 6: ... M1 contacts The module will lockout the compressor after one Code 7 Alert A power cycle or Modbus reset command will be required to clear the lockout Code 8 Reserved For Future Use Code 9 Module Low Voltage The module will flash the red Alert LED nine times indicating low module voltage see Table 2 on the T2 T1 terminals for more than 5 seconds A Code 9 Alert will open the M2 M1 contacts The Aler...

Страница 7: ...gs 2 Switch 6 defines the communication baud rate for the CoreSense Communications module If the switch is off the baud rate is 19200 If the switch is on the baud rate is 9600 The baud rate of each CoreSense Communications module should be set to match the master controller baud rate 3 Switch 7 defines the communications parity The default parity setting for the CoreSense Communications module is ...

Страница 8: ...its are similar to those of other Copeland Scrolls with one exception the scroll thermistor is a negative temperature coefficient NTC type thermistor This means that as the discharge temperature increases the resistance of the thermistor decreases The motor has positive temperature coefficient PTC type thermistors as the motor temperature increases so does the resistance of the thermistor chain To...

Страница 9: ... 230 VAC 50 HZ Allowable Voltage Range 18 30 VAC 85 265 VAC T2 T1 Low Voltage Trip 18 VAC 85 170 VAC T2 T1 Low Voltage Reset 19 VAC 95 185 VAC Power Consumption 5 VA 5 VA M1 M2 Contact Rating 2 5A Max 2 5A Max Motor Temperature Trip Resistance 4 5KΩ 4 5KΩ Open Motor Thermistor Trip Resistance 220KΩ 220KΩ Shorted Motor Thermistor Trip Resistance 100Ω 100Ω Motor Temperature Reset Resistance 2 75KΩ 2...

Страница 10: ...8 bytes 380 Alarm Code 1 2 381 Input and Output status 4 4 385 Scroll Temperature Value 2 2 387 Spare Temperature Value 2 2 389 Pilot Voltage Value 2 2 Unused 117 bytes 400 Ten most recent alarms with time stamp 40 60 428 Compressor run history with cumulative count 11 20 433 Compressor start history with cumulative count 19 20 446 Short Cycle history with cumulative count 11 20 Unused 30 bytes 46...

Страница 11: ...odified 18 36 138 Compressor serial number 12 24 144 Application code 3 6 147 Temperature code 4 8 14B Refrigerant code 7 14 152 Functional Configuration 2 2 154 Compressor run time to count as short cycle 1 2 155 Scroll High Temp Trip 2 2 157 Scroll High Temp Reset 2 2 159 No of Events to Phase Loss Lockout 1 2 15A No of Events to Oil Lubrication Temp Lockout 1 2 15B Oil Lubrication Temp Trip 2 2...

Страница 12: ...count as short cycle 1 2 Range 1 min to 6 min 155 Scroll High Temp Trip 2 2 Range 110 deg C to 150 deg C 157 Scroll High Temp Reset 2 2 Note Reset set point value should be always Trip set point value 30 deg C 159 No of Events to Phase Loss Lockout 1 2 Range 4 to 24 15A No of Events to Oil Lubrication Temp Lockout future 1 2 Range 4 to 24 15B Oil Lubrication Temp Trip future 2 2 Range 110 deg C to...

Страница 13: ...ve lost communications with each other for more than 5 minutes When communications are confirmed 1 Check the control wiring 2 Verify dipswitch 8 is on Green Flash Code 2 Future Use N A N A N A Green Flash Code 3 Short Cycling Run time of less than 1 minute number of short cycles exceeds 48 in 24 hours 48 short cycles in 24 hours 1 Check system charge and pressure control setting 2 Adjust set point...

Страница 14: ...ller 3 Install anti short cycling control Red Flash Code 4 Scroll High Temperature Ω 2 4K Lockout if the number of Alerts exceeds the number configured by the user in 24 hours Interrupt power to T2 T1 or perform Modbus reset command 1 Check system charge and superheat 2 Check system operating conditions 3 Check for abnormally low suction pressure Red Flash Code 5 Future Use N A N A N A Red Flash C...

Страница 15: ... 1384 R1 Application Engineering B U L L E T I N Figure 1 CoreSense Communications Module Figure 2 Required OEM Wiring Dip Switches CoreSenseTM B GND A Communications if used Unit Control Circuit M2 M1 T2 T1 L1 L2 L3 24 VAC or 120 240 VAC Phase A Phase B Phase C ...

Страница 16: ...SING DETECTION PHASES PHASEN UEBERWACHUNG DIP SWITCHES LED S TEMP SENSORS 4 USE COPPER CONDUCTORS ONLY USE MINIMUM 75º C WIRE FOR AMPACITY DETERMINATION USE THIS EQUIPMENT ON A GROUNDED SYSTEM ONLY PRIMARY SINGLE PHASE FAILURE PROTECTION IS PROVIDED PROTECTOR MODULE AND OPTIONAL CRANKCASE HEATER MUST BE CONNECTED ONLY TO THEIR RATED VOLTAGE OVERCURRENT PROTECTION DEVICE RATING AND TYPE MUST BE IN ...

Страница 17: ... PTC CIRCUIT SCROLL NTC CIRCUIT COMMON CONNECTION FOR FUTURE USE Figure 4 Thermistor Circuit Cable 9600 Even Networked PTC NTC TE Enable Baud Rate Parity Communication Thermistor Configuration Short Cycle Protection 19200 No Parity Standalone PTC Only TW Disable Node Address 1 to 32 See Figure 6 LSB MSB 1 2 3 4 5 1 2 3 4 5 6 7 8 9 10 On Oﬀ ...

Страница 18: ...n the U S A AE8 1384 R1 Application Engineering B U L L E T I N Switch 1 2 3 4 5 On Off Switch 1 2 3 4 5 On Off 23 22 31 30 29 28 27 26 25 24 Switch 1 2 3 4 5 On Off 11 14 18 17 16 15 21 20 19 13 12 10 7 8 9 4 5 6 3 2 1 0 Figure 6 Modbus Addressing ...

Страница 19: ...ht to modify the designs or specifications of such products at any time without notice Emerson Climate Technologies Inc does not assume responsibility for the selection use or maintenance of any product Responsibility for proper selection use and maintenance of any Emerson Climate Technologies Inc product remains solely with the purchaser and end user Figure 7 PC Interface Wiring CoreSense Isolate...

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