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Index

01

Index

Features

LED Indication.

8

Parameter List.

To set the quick freeze set point.

QFS

9

Key Introduction

6

4

Fault Messages.

7

DESCRIPTION

PARAMETER

Pg. 
No. 

To set the cut-out point of the controller.

SET POINT

9

To set other parameter

9

To set allowable high temperature limit. 

To set allowable low temperature limit.

To set the differential for compressor 
restart. 

P2 

P3

P4

10

10

10

To set  probe calibration.

P5

11

To  set  time  delay  between  relay  restart 
time.

P6

11

To set duration of defrost.

P7

12

To set defrost frequency.

To set power on defrost delay.

To set type of defrost.

To set  drip time for defrost.

To set defrost stop temperature.

To set type of computation for defrost time.

P8

P9

P10

P11

P13

P12

12

12

13

13

14

13

14

14

Items Included.

5

9

EXIT

End of set mode

9

DI-D

To select AUX or compressor thermal 
trip digital I/P

OPS

To Enable / Disable Oil Pressure Switch 
(OPS) I/P.

Index

02

Index

DESCRIPTION

PARAMETER

Pg. 
No. 

To set Evaporator Fan stop temperature.

To set Evaporator Restart Delay.

To set Evaporator Fan status at 
compressor off.

To set Evaporator Fan differential.

To set Evaporator probe calibration.

15

To set condenser status at hot gas 
defrost.

CND7

L1

L2

L3

L4

L5

16

16

16

17

17

17

17

18

19

19

20

To set Evaporator Fan status at Door 
open condition.

L7

20

To enable / disable buzzer.

BUZ

21

Alarm Relay Enable / Disable.

AL

21

Under load limit for compressor current.

C-UL

21

Over load limit for compressor current.

C-OL

22

To  set Evap Fan status during defrost.

L8

20

To set  reset mode for HP fault.

D4

To set Compressor Relay status on 
Probe Failure.

E1

Current sensing delay.

C2

To enable or Disable HP sensing. 

D0

To enable or disable LP sensing.

D1

Fault sensing logic.

To set LP sensing delay.

D2

D3

16

15

To set quick freeze duration.

QFD

15

To set condenser on delay time.

CND6

18

HT Power ON alarm delay.

ADT

18

Alarm/Buzzer output delay at Door open

ADD

18-19

Temperature Hold Duration at Door open

THD

Содержание CRC-2052

Страница 1: ......

Страница 2: ...Oil Pressure Switch OPS I P Index 02 Index DESCRIPTION PARAMETER Pg No To set Evaporator Fan stop temperature To set Evaporator Restart Delay To set Evaporator Fan status at compressor off To set Evap...

Страница 3: ...e compressors from close starts In case of probe error or temperature alarm the instrument signals the event through acoustic signal and by closing the relay contact By pressing the mute key the buzze...

Страница 4: ...Set mode Also used as enter key if controller is in Set mode program mode Also used to save changed value Used to enter in manual defrost and to stop defrost if defrosting is ON Used to enter in fault...

Страница 5: ...ON OFF ON OFF Flashing ON OFF Flashing ON OFF ON OFF ON OFF OFF ON ON OFF ON OFF ON OFF ON OFF 07 High temperature alarm for Room temperature means room temperature is equal or above the set value of...

Страница 6: ...enerate HTAlarm SP 0 5 C 50 0 C 50 0 C Range Min Max Fact Set Message on Display Message on Display 02 P3 Parameter Function To set allowable low temperature limit Example Setting this parameter at Us...

Страница 7: ...press the set key To change P5 parameter 04 Function To set room probe calibration 10 0 C 10 0 C 0 0 C Range Min Max Fact Set 11 Sr No Parameter setting method Description of parameters and functions...

Страница 8: ...f a power failure P10 Parameter 09 Function To set type of defrost To change the P10 Parameter press the set key Use UP DOWN keys to set desired value HTR HTG HTR Range Min Max Fact Set HTR Heater def...

Страница 9: ...e the QFD Parameter press the set key Use UP DOWN keys to set desired value This is the maximum amount of time allowed for Quick Freeze If set to 0 there will be no quick freeze 1hr Example If QFS is...

Страница 10: ...10 0 C to 10 0 C may be offset by a degree or so To compensate for this error you may need to add or minus the degrees required to achieve the correct temperature Setting Use UP DOWN keys to set desi...

Страница 11: ...mpressor current is greater than 15 0 A then and exist till C2 current sensing delay then C OL fault exists and flash on display Compressor will be tripped on this fault NOTE 20 50A CT option availabl...

Страница 12: ...l Mode Use UP DOWN keys to set desired value AUTO Auto mode TON Parameter press the set key To change TON parameter 39 Range Min Max Fact Set Range Min Max Fact Set At room probe fail condition when E...

Страница 13: ...er press the SET key 0 Min 30 Min 7 Min Range Min Max Fact Set Range Min Max Fact Set Parameter LSD Use UP DOWN keys to set desired value 44 Function This parameter is used to enable disable light rel...

Страница 14: ...unction To set display at power OFF mode Use UP DOWN keys to set desired value OFF Display will show OFF TEMP Display will show Temperature LED Display Will be Blank At power OFF mode power OFF LED wi...

Страница 15: ...tion 0 1 C LSV Relay 10A 230vac Resolution 0 1Amp RS485 Connectivity Modbus RTU Protocol Mounting Wall mounting Controller CRC 2052 0 0 Operating Temp 5 C to 50 C non condensing 0 0 Storage temp 20 C...

Страница 16: ...w Connection Diagram To set fault recover delay Get to know your Controller 29 Introduction 29 Instruction Manual LVM Line Voltage Monitor Three Phase VMRC 10 3 Introduction VMRC 10 3 is three phase L...

Страница 17: ...more than TTD value then only fault is raised and this fault is applicable to Under voltage Over voltage and Unbalance fault i e In case of Phase Loss or Phase sequence fault alarm will come immediate...

Страница 18: ...s to set desired value This parameter provided to calibration voltage reading When dsP is L n then it sets calibration for r n Sr No Parameter setting method Description of parameters and functions Pa...

Страница 19: ...7 8 9 R 15 17 19 21 Y B N General Specification Under voltage and Over voltage detection Application Voltage and phase sequence monitoring and controlling Connections Screw terminals 2 5sqmm one wire...

Страница 20: ...36...

Страница 21: ...part of this manual may be reproduced or transmitted in any form or by any means without the prior written permission of the company Notice Disclaimer Warranty This manual its contents remain the sole...

Страница 22: ...s Globe Valves Hand Valves Flow Switches Solenoid Valves OUR OTHER PRODUCTS Cold Room Controller Chiller Controller Two Compressors Controller Heating Controller Humidity Controller Pressure Controlle...

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