background image

Sr. 

No. 

Parameter setting method

Description of parameters and functions.

Parameter 

18

AL
Parameter

26

Function :

 This parameter is used to 

Enable / Disable alarm relay.

To change the AL Parameter, 
press the set key.

Use UP/DOWN keys to set desired value. 

DIS

ENB

ENB

Range

Min 

Max 

   Fact. Set 

ENB  :  To  activate  Alarm  Relay  in  fault 
condition.

DIS : To deactivate Alarm Relay in fault 
condition.

17

Sr. 

No. 

Parameter setting method

Description of parameters and functions.

Parameter 

Parameter

L7

23

Function :

 To set Compressor- 

Evaporator Fan status at Door open 
condition.

To change the L7 parameter, 
press the set key.

Use UP/DOWN keys to set desired value.

At Door Open, 
NORM : Normal. 
FAN   : Evaporator Fan OFF.
COMP : Compressor OFF.

              OFF.

F-C     : Compressor and Evaporator Fan 

NORM

F-C

NORM

Range

Min 

Max 

   Fact. Set 

BUZ
Parameter

25

Function :

 To enable / disable buzzer.

To change the BUZ parameter, 
press the set key.

Use UP/DOWN keys to set desired value. 

DIS

ENB

ENB

Range

Min 

Max 

   Fact. Set 

Example:  

ENB :

 

Buzzer enabled.

DIS  :

 

Buzzer disabled.

L8
Parameter

24

Function :

 To  set Evaporator Fan 

status during defrost.

To change the L8 parameter, 
press the set key.

Use UP/DOWN keys to set desired value. 

OFF

ON

OFF

Range

Min 

Max 

   Fact. Set 

           defrost.

           defrost.

OFF :

 

Evaporator Fan OFF during 

ON   :

 

Evaporator Fan ON during 

Parameter

L5

22

Function :

 To set Evaporator probe 

calibration.

To change the L5 parameter, 
press the set key.

value is from -10.0ºC to + 10.0ºC.

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 desired value.

In time it may be possible that the display

-10.0ºC

10.0ºC

0.0ºC

Range

Min 

Max 

   Fact. Set 

ADT
Parameter

27

Function :

 This parameter is used to set 

HT power on delay for alarm.

To change the ADT parameter, 
press the set key.

Use UP/DOWN keys to set desired value. 

0 Min

99 Min

30 Min

Range

Min 

Max 

   Fact. Set 

Example : 

If you set this parameter to 20, 

once  the  power  is  switched  on,  the  HT 
alarm will not activate for 20 minutes after 
the  power  is  switched  on.  This  is  most 
useful to avoid the nuisance alarms when 
the ambients are high when the machine 
is switched on after a long time. 

Parameter

ADD

28

To change the ADD parameter, 
press the set key.

0 sec

600 sec

60 sec

Range

Min 

Max 

   Fact. Set 

THD
Parameter

29

Function :

 This parameter is used to set 

duration for temperature hold at door 
open.

To change the THD parameter, 
press the set key.

Example : 

This Parameter is set to 60sec, 

O

Room Temperature is -18.0 C & Door open

Use UP/DOWN keys to set desired value.

condition occurs then Room Temp value 

O

-18.0 C at Door open condition will be hold 
for the 60sec, if Room Temperature is

0 sec

180 sec

0 sec

Range

Min 

Max 

   Fact. Set 

Cont.

Function  :

  This  parameter  is  used  for 

time delay to activate Alarm/Buzzer relay 
at Door Open.

Use UP/DOWN keys to set desired value.

after 60sec, if AL & BUZ parameters are 
enabled.

Example : 

This Parameter is set to 60 Sec 

& Door is open then Alarm/Buzzer will be 
ON

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...

Отзывы: