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Sub-Zero CRC-2052 User Manual

Sub-Zero CRC-2052
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Sub-Zero CRC-2052 Specifications

General IconGeneral
BrandSub-Zero
ModelCRC-2052
CategoryTemperature Controller
LanguageEnglish

Summary

Controller Features

Fault Message Reference

Parameter Settings: P2 to P4

P2: High Temperature Limit

Sets the allowable high temperature limit.

P3: Low Temperature Limit

Sets the allowable low temperature limit.

P4: Compressor Restart Differential

Sets the differential for compressor restart.

Parameter Settings: P5 to P9

P5: Room Probe Calibration

Calibrates the room temperature probe.

P6: Relay Restart Time Delay

Sets time delay between compressor restarts.

P7: Defrost Duration

Sets the maximum allowed duration for defrost.

P8: Defrost Frequency

Sets the time between defrost cycles.

P9: Power On Defrost Delay

Sets delay for defrosting after power on.

Parameter Settings: P10 to P13

P10: Defrost Type

Selects the type of defrost: Heater or Hot Gas.

P11: Drip Time for Defrost

Sets drip time for defrost to drain water.

P12: Defrost Time Computation

Sets type of computation for defrost time.

P13: Defrost Stop Temperature

Sets the temperature at which defrost stops.

Parameter Settings: QFD to L4

QFD: Quick Freeze Duration

Sets the duration for the quick freeze mode.

L1: Evaporator Fan Stop Temperature

Sets the temperature at which the Evaporator Fan stops.

L2: Evaporator Restart Delay

Sets the delay before the Evaporator Fan restarts.

L3: Evaporator Fan Status at Compressor Off

Defines Evaporator Fan status when compressor is off.

Parameter Settings: L5 to THD

Parameter Settings: C-UL to D1

C-UL: Under Load Limit for Compressor Current

Sets the under load limit for compressor current.

C-OL: Over Load Limit for Compressor Current

Sets the over load limit for compressor current.

Parameter Settings: D2 to E7

Parameter Settings: E8 to PDN

Parameter Settings: PW to EP

Technical Specifications

Parameter Settings: rEF to ttd

oV: Overvoltage Limits Configuration

Sets the limits for overvoltage faults.

uV: Undervoltage Limits Configuration

Sets the limits for undervoltage faults.

Parameter Settings: tdr to FS

Technical Data Summary

Suggested Wiring Diagram

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