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09

10

CRC1200

CRC1200

Use UP/DOWN keys to set desired value.

0 = Compressor Continuous ON.
1 = Compressor in Time Delay.
      (20Min ON / 4 Min OFF)
2 = Compressor is OFF.

To set compressor function 
during room probe failure.

COMP ON PROBE FAIL

11

Function:  To  set  Compressor  function 
during room probe failure.

0

2

1

Range

Min

Max

Fact. Set 

EVAP TIME DELAY

14

To change Evap Fan Stop Tc
parameter, press the set key.

O

-40 C

O

35 C

EVAP FAN STOP TC

13

To change Evap Time Delay
parameter, press the set key.

0 Min

20 Min

Function: To set Evaporator Restart Time 
Delay.

Use UP/DOWN keys to set desired 
value.
This setting is used to limit the max. 
temperature beyond which the Evap. 
Fan will cut off.

Example

 :

 

If this parameter is set to 

O

O

2 C, then Evap. Fan will cut off at 2 C.

O

2 C

Function: To set Evaporator Fan Stop 
Temperature.

1 Min

Example

 :If this is set at 3 minutes, the 

Evap. Fan relay will cut off at the temp. 
set by Evap. Fan Stop TC. parameter 
but the Fan will not come on for a 
minimum of 3 minutes even if it’s 
differential is achieved earlier.

Use UP/DOWN keys to set desired 
value.
When compressor delay over Cond. Fan 
will come ON first, after cond. On delay 
over Comp will come ON.

CONDENSER ON DLY

To  change  the  Condenser  On 
Dly parameter, press the set key.

12

Function: To Set Condensor On Delay 
Timings..

0 Sec

30 Sec

15 Sec

Range

Min

Max

Fact. Set 

DRIP TIME DUR

09

Function: To set drip time for defrost 
water.

To change the Drip Time Dur 
parameter, press the set key.

Use UP/DOWN keys to set desired 
value.
During this period Compressor, 
Evaporator Fan, LSV relay and Heater 
will stay off so that the defrost water can 
drip and drain out.

0 Min

30 Min

1 Min

Range

Min

Max

Fact. Set 

Range

Min

Max

Fact. Set 

To change the Post Drip Timing
parameter, press the set key.

POST DRIP TIMING

10

Function: To set Post Drip Timings.

Use UP/DOWN keys to set desired 
value.

During this timing Compressor is ON 
and Evaporator Will remain OFF also 
Heater is OFF.

15 Sec

99 Sec

30 Sec

Range

Min

Max

Fact. Set 

Range

Min

Max

Fact. Set 

Use UP/DOWN keys to set desired value.

0 = Evap Fan is off when compressor is       
      OFF.
1 = Evap fan will stay on when 

compressor is OFF.

To change Evap Wn Comp Off
parameter, press the set key.

0

1

1

EVAP Wn COMP OFF

15

Function  :  To  set  Evap  Fan  operation 
when compressor is off

Range

Min

Max

Fact. Set 

Range

Min

Max

Fact. Set 

Sr. 

No.

Parameter setting method

Description of parameters and functions.

Parameter

(LCD Message)

Sr. 

No.

Parameter setting method

Description of parameters and functions.

Parameter

(LCD Message)

Range

Min

Max

Fact. Set 

Range

Min

Max

Fact. Set 

To change Evap Differential
parameter, press the set key.

EVAP  DIFFERENTIAL

16

Function : To set Evaporator Differential.

Use UP/DOWN keys to set desired value.

Example

:If Evap Fan Stop Tc parameter 

0

is set to 2 C, and if EVAP 

0

DIFFERENTIAL parameter is set to 2 C, 

0

then Evap. Fan will cut off at 2 C and 

0

0

0

0

restart only at 0 C(2 C-2 C = 0 C).

1

O

C

O

20 C

O

2 C

Range

Min

Max

Fact. Set 

Range

Min

Max

Fact. Set 

Summary of Contents for CRC 1200

Page 1: ......

Page 2: ...ressor function during Room probe failure 5 6 6 8 9 10 7 7 7 8 9 9 9 10 To set Evap Fan operation when compressor is off EVAP Wn COMP OFF 10 To set Evaporator Differential EVAP DIFFERENTIAL To set coi...

Page 3: ...afety features which include shutting down the system incase of a fault from a pressure control or similar device Computer Connectivity over RS485 and Remote monitoring Optional Single Operation Quick...

Page 4: ...o change Max Set Point parameter press the set key Use UP DOWN key to set desired value Once set at a particular value this will not allow set points to go above this value and below QUICK FREEZE SPse...

Page 5: ...nge Min Max Fact Set 08 CRC1200 Sr No Parameter setting method Description of parameters and functions Parameter LCD Message ROOM PROBE CAL 07 Function To set room probe 1 calibration To change the Ro...

Page 6: ...me for defrost water To change the Drip Time Dur parameter press the set key Use UP DOWN keys to set desired value During this period Compressor Evaporator Fan LSV relay and Heater will stay off so th...

Page 7: ...ition To change Evap at Door Open parameter press the set key Range Min Max Fact Set Range Min Max Fact Set In time it may be possible that the display may be offset by a degree or so To compensate fo...

Page 8: ...on To save system programming parameters To change Save Programming parameter press the set key 14 CRC1200 CRC1200 0 Min 45 Min 15 min Example If this parameter is set to 15 minutes and Defrost freque...

Page 9: ...1 00 and 8 LEDs for indication 16X2 LCD Display For System Status Keypad 9 keys may change Rs485 Connectivity Modbus RTD Protocol Baud Rate 9600 N 8 1 Device ID 1 By Default Hot Key Optional Housing M...

Page 10: ...use abrasive detergents petrol alcohol or solvents Controller Controller should be installed in a place protected by vibration water and corrosive gasses and where ambient temperature does not exceed...

Page 11: ...advised of the possibility of such damages No part of this manual may be reproduced or transmitted in any form or by any means without the prior written permission of the company A S Controls Pvt Ltd...

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