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Electronic controllers for refrigeration units

EN

EZ-HT / EZ-MT / EZ-LT

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Summary of Contents for EZ-HT

Page 1: ...Electronic controllers for refrigeration units EN EZ HT EZ MT EZ LT...

Page 2: ...menu items Increases values Press for at least 5 sec Activates the Manual Defrost function DOWN Press and release Scroll menu items Decrease values Press for at least 5 sec Function can be configured...

Page 3: ...tive Flashing delay protection or activation blocked Off otherwise Defrost LED Permanently on defrost active Flashing activated manually or from DI Off otherwise Allarm LED Permanently on alarm active...

Page 4: ...9 mm 2 32 in ELECTRICAL CONNECTIONS DANGER HAZARD OF ELECTRIC SHOCK EXPLOSION OR ARC FLASH Disconnect all power from all equipment including connected devices prior to removing any covers or doors or...

Page 5: ...0 28 C 0 5 0 6 4 42 5 31 N m lb in 0 25 2 5 22 13 DANGER POTENTIAL OF OVERHEATING AND FIRE Do not use with loads other than those indicated in the technical specification Do not exceed the maximum per...

Page 6: ...lar equipment Do not use this equipment in safety critical machine functions Do not disassemble repair or modify this equipment Do not mount devices in extremely damp and or dirt laden areas Failure t...

Page 7: ...supply 230 Vac 9 10 Pb1 probe 10 11 Digital input TTL TTL input 1 N L 2 3 6 7 8 9 10 D I Pb1 4 5 11 Pb2 evaporator thermostat TTL Power Supply EZ MT EZ LT TERMINALS 1 3 Fans relay 2 3 Compressor rela...

Page 8: ...ut relay Refer to the label on the device Fire resistance category D Software class A NOTE check the power supply specified on the instrument label contact our Sales Office for power supply and relay...

Page 9: ...eys Dimensions Front 76 4x35 mm 3 01x1 38 in depth 59 mm 2 32 in without terminals Terminals Screw terminals for wires with cross section of 2 5 mm2 13 AWG Connectors TTL for connection to Copy Card m...

Page 10: ...uited open Displaylabel E1 Alarmiconpermanentlyon Disablemax minalarmcontroller Compressoroperationbasedon parametersOntandOFt Checkprobetype par H00 Checkprobewiring Replaceprobe E2 Pb2probe inoperab...

Page 11: ...e alarm if LAL is negative Set LAL Set if HAL is negative Set HAL Set Setpoint LAL AFd Off Setpoint HAL AFd Setpoint LAL AFd Setpoint HAL AFd Setpoint LAL AFd HAL AFd LAL AFd HAL AFd Label Description...

Page 12: ...gh all the folders in the menu AL alarms folder only visible if an alarm is active SEt Setpoint setting folder Pb1 probe 1 Pb1 folder PB2 probe 2 Pb2 folder EZ MT EZ LT models only folder displayed if...

Page 13: ...ended when using the card for the first time NOTE the Fr parameter deletes all data present This operation cannot be cancelled Download ConnecttheCopycardwhentheinstrumentisswitchedoff Atpower on data...

Page 14: ...if Ont 0 and OFt 0 it operates in Duty Cycle mode min 0 250 15 15 15 OFt Controller switch off time in the event of a inoperable probe if OFt 1 and Ont 0 the compressor stays off permanently OFF if O...

Page 15: ...parameter dtY 3 Not used num 0 3 1 1 1 dOH Defrost start delay time after request min 0 59 0 0 0 dEt Defrost time out determines the maximum defrost duration min 1 250 20 25 25 dSt Defrost end temper...

Page 16: ...tion to the setpoint 0 Absolute value 1 Relative value flag 0 1 0 0 0 AFd Alarms activation differential C F 1 0 50 0 2 0 2 0 2 0 HAL Temperature value intended either as distance from setpoint or as...

Page 17: ...3 1 1 1 dAd Digital input activation delay min 0 255 0 0 0 OSP Temperature value to be added to the Setpoint if reduced set enabled Economy function C F 30 0 30 0 0 5 0 5 0 5 LOC Lock Setpoint change...

Page 18: ...s 10 F flag 0 1 0 0 0 ddd Selects type of value to display 0 Setpoint 1 Probe Pb1 2 Probe Pb2 3 Not used num 0 3 1 1 1 H00 Probe type selection 0 PTC 1 NTC num 0 1 1 1 1 H11 Configuration of digital i...

Page 19: ...annot accept liability for any damage resulting from its use The same applies to any person or company involved in preparing and editing this document ELIWELL CONTROLS SRL reserves the right to make a...

Page 20: ...0437 989 066 www eliwell com Technical Customer Support T 39 0437 986 300 E Techsuppeliwell schneider electric com Sales T 39 0437 986 100 Italy T 39 0437 986 200 other countries E saleseliwell schnei...

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