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DESCRIPTION

PARAMETER

Introduction

Pg. 
No. 

Index

Index

01

DESCRIPTION

PARAMETER

Pg. 
No. 

02

Get to Know Your Controller

Parameter List

4

5

To set the cut-out point of the controller.

To set maximum allowable high temperature 
limit. 

SET POINT

P2 

To set the Minimum Cooling Temperature.

P3

To set the differential for compressor restart. 

P4

To set  probe calibration.

P5

To set time delay between relay restart time.

 To set duration of defrost.

P6

P7

To set defrost frequency.

P8

 To set power on defrost delay.

P9

To enable or disable Buzzer.

BUZ

To set under voltage limit.

UV

To  set over voltage limit

OV

To set voltage differential.

V0

AL

Power on time delay for alarm.

5

6

6

8

8

10

7

7

7

8

9

9

9

10

To set time delay for voltage sensing.

V1

10

To set Over current limit.

OL

11

To set Under current limit.

UL

10-11

Key Introduction

5

To set Current sensing delay.

C2

11

D0

 To enable or Disable HP sensing. 

12

3

Main Programming Mode

5

To enable or disable LP sensing.

D1

To set fault sensing logic.

D2

 To set LP sensing delay.

D3

 To set  reset mode for HP fault.

D4

To set Compressor Relay 
status on Probe Failure.

E1

 To set Evap fan status when 
compressor is OFF.

E2

12

14

12

13

13

13

To set EVAP Fan operation at door open.

E4

14

To set Display at defrosting.

E7

14

 To set time delay to switch off the light .

LD

15

To change password.

PW

15

Factory set parameter.

FS

15

Compressor run Hours.

CRH

15

Clear Compressor Run Hours.

CCRH

16

To activate Keypad Lock.

KEYPAD LOCK

16

End of programming.

EP

Technical Data

Suggested wiring diagram.

17

18

19

20

Caution & Warranty

To enable/disable Power Switch. 

PO

16

Summary of Contents for CRC-1023

Page 1: ...COLD ROOM CONTROLLER USER MANUAL www pvrcontrols com INDIA CRC 1023...

Page 2: ...To set time delay for voltage sensing V1 10 To set Over current limit OL 11 To set Under current limit UL 10 11 Key Introduction 5 To set Current sensing delay C2 11 D0 To enable or Disable HP sensing...

Page 3: ...ch the defrost is interrupted There are safety features which include shutting down the system incase of a fault from a pressure control or similar device The CRC 1023 are single set point cold room c...

Page 4: ...till the AL delay is over controller will not generate HTAlarm Example Setting this parameter Use UP DOWN key to set desired value Once set at a particular value this will not allow the set point to g...

Page 5: ...al is 2 0 C the 0 comp Relay will cutin at 12 0 C Use UP DOWN keys to set desired value 0 0 10 0 C 2 0 C 04 P4 Parameter Function To set the differential for compressor restart To change P4 parameter...

Page 6: ...t will show OV fault on display and Compressor Relay will be off Parameter V1 15 Function To set time delay for voltage sensing To change the V1 Parameter parameter press the set key Use UP DOWN keys...

Page 7: ...xample If C2 parameter is 1 Sec then any current fault will be valid only when it exsists for more than 1 sec 5 Sec 60 Sec 5 Sec Range Min Max Fact Set Range Min Max Fact Set Sr No Parameter setting m...

Page 8: ...palyed Use UP DOWN keys to set desired value TEMP At defrosting temperature 27 Function To set Display at defrosting To change E7 parameter press the SET key TEMP DEF TEMP Range Min Max Fact Set Range...

Page 9: ...er into program mode only if correct password is entered If the password is wrong it will show INVALID PASSWORD Range Min Max Fact Set Range Min Max Fact Set NO YES NO To change FS parameter press the...

Page 10: ...0Vac Defrost 20A 250Vac Evap Relay 10 3 A 250Vac 0 0 Operating Temp 5 C to 50 C non condensing 0 0 Storage temp 20 C to 70 C non condensing Output Input 1 NTC Probe 0 0 Range 50 0 C to 50 0 C 0 Resolu...

Page 11: ...d personnel only Controller Controller should be installed in a place protected by vibration water and corrosive gasses and where ambient temperature does not exceed the values specified in the techni...

Page 12: ...taken in the preparations of this document the company or its vendors in no event will be liable for direct indirect special incidental or consequential damage arising out of the use or inability to...

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