Sub-Zero CRC-2052 User Manual
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Sub-Zero CRC-2052 User Manual

Sub-Zero CRC-2052 User Manual

Cold room electrical panel
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  • Page 2 Index Index Index Index PARAMETER DESCRIPTION PARAMETER DESCRIPTION Features To set quick freeze duration. Items Included. CND6 To set condenser on delay time. Key Introduction CND7 To set condenser status at hot gas Fault Messages. defrost. LED Indication. To set Evaporator Fan stop temperature. Parameter List.
  • Page 3 Index Index Features: This controller controls the defrost in the system based on PARAMETER DESCRIPTION either an electrical heater where the compressor is stopped, or at cycle inversion using warm gas where the compressor To set On cycle at room probe fail. keeps on working.
  • Page 4 Key Introduction Items included Used to enter in manual defrost and to stop defrost if defrosting ITEMS is ON. Used to increment / scroll UP in Program Mode. CONTROLLER When not in any mode if this key is pressed for 2 secs controller will PROBE enter in display Probe mode where Evap temperature can be NTC SENSOR 5 METER...
  • Page 5 Fault Messages : LED Indication Messages Mode Discription High temperature alarm for Room temperature means, room temperature is equal or above the set value of P2 parameter. Comp. Relay ON. Low temperature alarm for Room temperature means, room Comp. Relay OFF. temperature is equal or below the set value of P3 parameter.
  • Page 6 Description of parameters and functions. Min : MINIMUM Max : MAXIMUM Fact. Set : FACTORY SETTING(DEFAULT) Parameter Parameter setting method Description of parameters and functions. Function : To set allowable high Parameter Parameter setting method Parameter temperature limit. SET MODE To change P2 parameter, Use UP/DOWN key to set desired value.
  • Page 7 Description of parameters and functions. Description of parameters and functions. Parameter Parameter setting method Parameter Parameter setting method Function : To set room probe calibration. Function : To set duration of defrost. Parameter Parameter Use UP/DOWN keys to set desired value. To change the P7 parameter, Use UP/DOWN keys to set desired value.
  • Page 8 Description of parameters and functions. Description of parameters and functions. Parameter Parameter setting method Parameter Parameter setting method Function : To set type of defrost. Function : To set defrost stop Parameter Parameter temperature To change the P10 Parameter, Use UP/DOWN keys to set desired value. To change the P13 Parameter, Use UP/DOWN keys to set desired value.
  • Page 9 Description of parameters and functions. Description of parameters and functions. Parameter Parameter setting method Parameter Parameter setting method Function : To set Evaporator Fan stop Function : To set quick freeze duration. Parameter temperature. Parameter To change the L1 parameter, Use UP/DOWN keys to set desired value.
  • Page 10 Description of parameters and functions. Description of parameters and functions. Parameter Parameter setting method Parameter Parameter setting method Function : This parameter is used to Function : To set Evaporator probe Parameter Enable / Disable alarm relay. Parameter calibration. To change the AL Parameter, Use UP/DOWN keys to set desired value.
  • Page 11 Description of parameters and functions. Description of parameters and functions. Parameter Parameter setting method Parameter Parameter setting method increasing. Function : Current sensing time delay. After over the Temperature hold duration Parameter display temperature will be increased by To change the C2 parameter, Use UP/DOWN keys to set desired value.
  • Page 12 Description of parameters and functions. Description of parameters and functions. Parameter Parameter setting method Parameter Parameter setting method Function : Fault sensing logic. Function : To set Compressor Relay Parameter Parameter status on Probe Failure. To change D2 parameter, Use UP/DOWN keys to set desired value. To change E1 parameter, Use UP/DOWN keys to set desired press the set key.
  • Page 13 Description of parameters and functions. Description of parameters and functions. Parameter Parameter setting method Parameter Parameter setting method Function : Defrost duration during Coil DIS : Pump down disable and SV relay will Parameter probe failure. active only with Compressor except Hotgas defrost.
  • Page 14 Description of parameters and functions. Description of parameters and functions. Parameter Parameter setting method Parameter Parameter setting method Function : To set Device ID. PDIS Function : To set display at power OFF Parameter Parameter mode. To change Device ID This parameter is used to set the Device To change PDIS parameter, Use UP/DOWN keys to set desired value.
  • Page 15 : Plastic : (H)400 x (W) 300 x (D)135 mm Sheet Metal : (H)450 x (W) 400 x (D)200 mm Mounting : Wall mounting. Controller : CRC-2052 Connection : Spring clamp terminal block. 4 sq. mm wire. Display : 4 Digit, 1” Dot matrix Display and 13 LEDs for indication.
  • Page 16 Introduction Instruction Manual VMRC-10/3 is three phase Line voltage monitor (LVM) used to protect device LVM (Line Voltage Monitor) Three Phase VMRC-10/3 from Single Phasing, voltage unbalance, phase reversal and under/over voltage. It shows real time voltages between phase and neutral. Index Index There is an Output of alarm relay is given to the controller as SPPR input.
  • Page 17 Description of parameters and functions. Description of parameters and functions. Parameter Parameter setting method Parameter Parameter setting method Function : To set Undervoltage Limits. To set other parameter Press & hold PRG key for Display will show ‘rEF’ and scroll the To change the uV parameter, Use UP/DOWN keys to set desired value.
  • Page 18 Description of parameters and functions. Description of parameters and functions. Parameter Parameter setting method Parameter Parameter setting method Function : To set calibration of voltage Function : To set fault recover delay. for r-b or b-n phase. To change the Crb parameter, Use UP/DOWN keys to set desired To change the tdr parameter, Use UP/DOWN keys to set desired...
  • Page 19 Description of parameters and functions. Technical Data Parameter Parameter setting method Main Functions : Voltage Monitoring. Phase Sequence Monitoring. Function :To end programming. Phase Loss and Phase Unbalance detection. Uv and Ov Detection. Settable Uv and Ov Parameter. To change the end parameter, Once the set key is pressed, the controller Dimensions : Front : 70mm X 45mm,...
  • Page 21 Controller Notice The information in this document is subject to change in order to improve Controller should be installed in a place protected by vibration, water and corrosive gasses and where ambient temperature does not exceed the values reliability, design or function without prior notice and does not represent a specified in the technical data.
  • Page 22 OUR OTHER PRODUCTS INDIA Cold Room Controller Chiller Controller Two Compressors Controller Heating Controller Humidity Controller Pressure Controller Ball Valves Globe Valves Hand Valves Flow Switches Solenoid Valves 10 / 08.05.19...

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