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"Fot"

Frequency Output 
Actual output frequency of the controller

"AtP"

Weighted Average Temperature 
Weighted average temperature of cabinet air and evaporator sensors

"AuS"

AUX Temp.
Temperature of the AUX sensor. invisible.

"LLu"

Light level value
Actual light level value from light sensor.

"Pir"

Motion sensor state

"att"

Cabinet air temp

"ESS"

External ECO switch state

Display messages

"unP"

Device is unprogrammed (relay output is locked) 

"Prg"

Device has not finished programming (relay output is locked)

"Eco"

Device is in Eco mode

"SC"

Device is in pull-down mode (super-chill)

"dEF"

Device is defrosting

"HoL" 

Device is in Holiday mode

User Guide | ERC 112D VSC Refrigeration Controller

24 | BC286552322855en-000201

© Danfoss | DCS (vt) | 2019.07

Summary of Contents for ERC 112D VSC

Page 1: ...RC 112D VSC for variable speed compressor This user guide is intended to be used by OEMs for the purpose of programming ERC 112D VSC It may also be useful for technicians However it is not intended as...

Page 2: ...ance to EN IEC 60335 2 24 annex CC and EN IEC 60335 2 89 annex BB Glow wire according to EN IEC 60335 1 IEC EN 60730 UL60730 NSF CQC EAC Ukraine The access level can be set separately for each paramet...

Page 3: ...ical application Glass Door Merchandiser No frost freezer sub zero cooler Gastro No frost freezer Cooler User Guide ERC 112D VSC Refrigeration Controller Danfoss DCS vt 2019 07 BC286552322855en 000201...

Page 4: ...r for condenser light sensor or Motion sensor S4 Frequency signal for variable speed compressor 5 V 0 200 Hz di Door signal or Motion sensor Defrost sensor The function of an input can be reprogrammed...

Page 5: ...lProg Software running on a PC It enables parameters to be set in real time and an array of status information to be read bidirectional connection Once the desired settings have been determined a spec...

Page 6: ...F scale Keypad 4 buttons integrated IP65 design 2 left 2 right user programmable Operating Conditions 0 C 55 C 93 rH Storage Conditions 40 C 85 C 93 rH Range of Measurement 40 C 85 C Protection Front...

Page 7: ...n Condenser Door Motion Cabinet temp sensor Evaporator temp sensor Light Motion VS Compressor Drive Door Cabinet temp sensor Evaporator temp sensor Condenser VS Compressor Drive Door Motion User Guide...

Page 8: ...ture sensors 40 80 C PVC Standard NTC 5 K S1 470 mm 3 pole 120 077F8751 S1 1000 mm 3 pole 120 077F8757 S1 1500 mm 3 pole 120 077F8761 S1 2000 mm 3 pole 120 077F8765 S1 2200 mm 3 pole 120 077F8767 S1 3...

Page 9: ...and v to find the desired setting 9 Press OK After 30 seconds the display automatically reverts to showing the current temperature Or Press 2 x Back NOTE Incorrect parameter settings can lead to inad...

Page 10: ...This parameter is to set the refrigeration system action when cab air temperature is between cut in and cut out at power up yES Switch on the refrigeration system immediately no Keep the refrigeration...

Page 11: ...used to reach the desired temperature Pull down settings overrule all other settings Pit Min 40 0 C Max 50 0 C Default 50 0 C Pull Down Initiate Temperature This parameter indicates the temperature wh...

Page 12: ...C Defrost reset temperature The defrost counter is saved and restored at power up but if the temperature sensor used for defrost is higher than this value at power up and between minimum and maximum d...

Page 13: ...d on elapsed time doC Min 0 hour Max 24 hour Default 0 hour Defrost by continuous compressor running time If compressor is running continuously more than this time controller will trigger the defrost...

Page 14: ...pressor noise during start and stop The actual rpm is multiplied by 10 to the selected value hence read actual rpm value 10 CoF Min 10 Hz Max 200 Hz Default 50 Hz Off frequency This is required freque...

Page 15: ...run before a Temperature cut out can take effect For example if the temperature sensor indicated that the cut out temperature has been reached but the number of minutes set in this parameter have not...

Page 16: ...showing on display rES Min 0 1 Max 1 Default 0 1 Display Resolution This parameter can be set to 0 1 0 5 or 1 and affects the way the temperature is displayed With the parameter set to 1 the display w...

Page 17: ...s Show Defrost If set to yES this parameter causes the display to show DEF when the system is in defrost mode If set to nO the temperature continues to be displayed SCS Min no Max yes Default yes Show...

Page 18: ...minutes an audible alarm will continue while there is still a reason to have an alarm If set to 999 the alarm will continue to sound until the reason for the alarm is cleared for example the temperat...

Page 19: ...f Door action or activity through PIR sensor mentioned in EDA and EPA parameters to exit the ECO mode Edd Min 0 min Max 180 min Default 180 min Door delay Door delay after door close to trigger enteri...

Page 20: ...espect to normal mode during holiday mode diE Min 0 0 K Max 10 0 K Default 2 0 K ECO Differential Thermostat differential for ECO FoE Min 0 s Max 960 s Default 0 s ECO Fan on cycle On time for fan dur...

Page 21: ...light sensor values given in Luminens dig for a digital sensor with simple ON OFF indication motion magnet switch buttom S2C Default Stn S3C Default Stn S1A Default SCo S1 Application S1A S2 Applicat...

Page 22: ...access for 15 minutes PS2 Min 0 Max 999 Default 0 PS3 Min 0 Max 999 Default 0 Ser Service information settings The parameters in the following section are READ ONLY and cannot be changed by the user T...

Page 23: ...tion of last defrost cycle min ont Door open counter ont 100 number of door openings since last reset Snu Serial number Serial number given at manufacturing Fir SW version Danfoss software version num...

Page 24: ...el value from light sensor Pir Motion sensor state att Cabinet air temp ESS External ECO switch state Display messages unP Device is unprogrammed relay output is locked Prg Device has not finished pro...

Page 25: ...Hat for ALA Htd User configured Blink Hi with the highest temperature If configured cut in alarm relay beep the buzzer High temperature alarm Lo Air temperature is lower than LAt for Ltd User configur...

Page 26: ...atures sensor placement in the evaporator outlet air can be considered Vertical freezers with fan Placement in the return air or in the freezer compartment Coolers without fan The best results are nor...

Page 27: ...quid side of the condenser Use a metal bracket or metal tape to ensure good thermal conductivity Be sure that the cable does not pass hot spots at the compressor or condenser that exceeds 80 C Placeme...

Page 28: ...pe S2 2 pole PVC Standard Connector type S3 3 pole Cable Connector type Di 3 pole Motion sensor Connector type Di 3 pole Door sensor cable Di 3 pole Magnetic door sensor Di 3 pole 470 mm 077F8751 1000...

Page 29: ...User Guide ERC 112D VSC Refrigeration Controller Danfoss DCS vt 2019 07 BC286552322855en 000201 29...

Page 30: ...Danfoss DCS vt 2019 07 BC286552322855en 000201 30 ADAP KOOL...

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