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User Guide

Refrigeration controller

Type

EETc

and

EETa

series

Enhanced Electronic Thermostat

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Содержание EET Series

Страница 1: ...User Guide Refrigeration controller Type EETc and EETa series Enhanced Electronic Thermostat...

Страница 2: ...evaporator defrost applicable for EETa only 8 Dual compressor control applicable for EETa only 8 Anti Freeze function applicable for EETa only 9 Quick Test mode 9 Sensor Error handling 9 Potentiomete...

Страница 3: ...at 22 Compressor 22 Alarm 22 Defrost 23 Fan 24 Light 24 ECO Strategy 24 Automatic Heater Control 25 System protection 25 Test Mode 26 Service 26 Troubleshooting and Alarms 28 Troubleshooting 28 Alarms...

Страница 4: ...compressor refrigerators EETa only Anti freeze applications requiring auto heat control EETa only Applications requiring dual defrost control EETa only Key features Table 1 Key features Key features E...

Страница 5: ...This feature protects the compressor from short ON OFF cycles The EET controller ensures that the compressor is switched ON and OFF for a minimum time specified under Minimum run time Crt and Minimum...

Страница 6: ...e compressor can keep running and then a second level of condenser temperature beyond which the compressor is switched off until the temperature comes down to an acceptable limit This would help to im...

Страница 7: ...r cooling by achieving the required cabinet temperature in the shortest period possible Automatic Pull down applicable for EETa only This feature helps to achieve faster and extra cooling when there i...

Страница 8: ...mode Danfoss 80G414 Door Open Door Close Temperature Normal mode Eco delay Edd Holiday Length HoL Eto Hto Normal mode ECO mode Holiday mode Time Dual evaporator defrost applicable for EETa only The EE...

Страница 9: ...e controller instantly when connected to an actual application in the OEM Production line or during field service The feature can be used when connected to KoolProg or by using MODBUS commands please...

Страница 10: ...a 7 8 5 95 2 1 5 3 95 0 05 M10 x 0 75 83 5 mm 43 5 mm 48 mm 30 5 17 5 16 Danfoss 80G401 M10 x 0 75 is supplied loose Figure 14 Mounting plate dimensionfor EETc and EETa 11 2 Danfoss 80G402 16 mm Recom...

Страница 11: ...t signal cables from the cables carrying inductive loads and power cables to avoid possible electromagnetic disturbance Suitably fasten the output connection cables to avoid any unintentional contact...

Страница 12: ...a 3W Danfoss 80G407 Evap Sensor Aux Inputs Cab air sensor Condensor Sensor Door Switch External input for pull down External input for ECO External input for defrost 1 2 S1 S2 3 N L 4 Compressor COM S...

Страница 13: ...controller due to capillary action Accessories KoolKey KoolKey EKA 200 Acts as a gateway to connect PC tool KoolProg and also a programming key Figure 23 KoolKey EKA 200 as programming key Refer to th...

Страница 14: ...structions Bluetooth Adapter EKA 202 EKA 203 Bluetooth Adapter EKA 202 EKA 203 only for EETa controllers External plug in type module that provides wireless connectivity with Danfoss mobile applicatio...

Страница 15: ...tive 30k cycles Product dimension Length 79 mm Width 37 5 mm Height 30 5 mm Temperature control Potentiometer with Spindle Number of inputs 2 1 Analogue 1 Analogue Digital Supported sensor types NTC 5...

Страница 16: ...30k cycles 2 FLA 12 LRA 30k cycles EN 60730 5 A Resistive 30k cycles Product dimension Length 83 5 mm Width 43 5 mm Height 30 5 mm Temperature control Potentiometer with Spindle Number of inputs 3 1 A...

Страница 17: ...position of the ther mostat Initial pull down ON OFF IPE OFF OFF ON Initial Pull down OFF Disable ON Enable Initial Pull Down IPD provides faster cooling when the cabinet is powered up with warmer in...

Страница 18: ...frost OFF cycle defrost EL electrical defrost Hgd hot gas defrost Minimum defrost Interval Mins dii 360 1 4320 Defines the minimum time period between the start of two defrost cycles If the evaporator...

Страница 19: ...r is ON FPL fan cycling fan cycling during compressor off cycle Fan ON Delay Sec Fod 0 0 240 Time delay to start the fan after compressor cut in Fan Stop Delay Sec FSd 0 0 240 Time delay to stop the f...

Страница 20: ...sensor error active only if EHd Set Zero Cross Config ZC Yes No Yes It enhances the relay life and avoids relay sparks during relay ON and OFF If Yes is selected the relays will be switched ON and OFF...

Страница 21: ...C PTC PTC 990 S2 Configuration S2C EuA nC dES Desired configuration for S2 port nC Not used configured Con Condenser sensor EuA Defrost evaporator sensor doC Door sensor Normally closed type doo Door...

Страница 22: ...prevent the compressor from frequent cut outs it ensures that the compressor runs for at least the specified time It overrides the cut out temperature Tip setting it too high could lead to unneccessar...

Страница 23: ...must be terminated The controller will terminate the defrost based on the defrost terminate temperature dtt or Maximum defrost time dAt If no evaporator sensor is used defrost will be terminated base...

Страница 24: ...n the evaporator sensor is configured Light Table 20 Light Parameter name Code Default value Min Max Description Light Lig Cabinet Light Control Normal mode CLC ON ON dor ON always ON this button is d...

Страница 25: ...nimum Cut in Voltage uLi 100 70 230 The lowest voltage at which the compressor is allowed to cut in Minimum Cut out Voltage uL0 90 70 225 If the voltage goes below this value when the compressor is ru...

Страница 26: ...erature C CTO 100 200 Thermostat cut out temperature at current spindle position Cabinet Air temperature C att 100 200 Temperature of Cabinet Air sensor Evaporator 1 temperature C Et1 100 200 Temperat...

Страница 27: ...de 10 Energy mode delay Defrost status stages dES 1 4 1 Idle 2 Ice off 3 Drip off 4 Cooling Preperation Defrost interval counter Comp run time Mins InC 0 32767 Defrost interval counter based on accumu...

Страница 28: ...nsor fault Check the S1 sensor and sensor alarm status Potentiometer fault Check the controller potentimeter function Frost is not fully melted during defrost Evaporator sensor position not proper Too...

Страница 29: ...rd NTC 10K Condenser Sensor S3 1000 mm 1 Blue Stripe 150 080N0307 S3 3000 mm 1 Blue Stripe 150 080N0308 Table 30 Programming tools and other accessories Type I Pack Qty Code no Magnetic door sensor 20...

Страница 30: ...E60730 2 9 CAN Canada C URUS Electrical Safety Incorporated Control for use in Class I or Class II equipment GB 14536 1 2008 GB 14536 10 2008 China CQC Electrical Safety Electromagnetic Com patibility...

Страница 31: ...ations manuals and guides 3D models and drawings case stories brochures and much more Start searching now at www danfoss com en service and support documentation Danfoss Learning Danfoss Learning is a...

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