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PAR. DESCRIPTION

M.U.

RANGE

EZ-HT

EZ-MT

EZ-LT

dt

drainage time. Coil drainage time.

min

0 ... 250

5

5

dFd Allows exclusion of the evaporator fans to be selected or not during 

defrosting. 

n

(0) = No (it depends on 

FCO

); 

y

(1) = Yes (fans excluded). flag

n/y

y

y

FCO

Allows to select compressor fans lock OFF (switched off). 

H42 FCO

COMPRESSOR ON

COMPRESSOR OFF

H42 = y

0

Thermostat controlled

OFF

1

Thermostat controlled

Thermostat controlled

2

Not used

Not used

3

Not used

Not used

H42 = n

0

ON

OFF

1

Not used

Not used

2

Not used

Not used

3

Not used

Not used

num

0 ... 3

1

1

Att

HAL

 and 

LAL

 parameters mode, i.e. the absolute temperature value or 

differential in relation 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 an 

absolute value based on 

Att

) which, if exceeded in an upward direction, 

triggers the activation of the alarm signal.

°C/°F

LAL ... 320

50.0

50.0

50.0

LAL

Temperature value (intended as distance from setpoint or as an absolute 

value based on 

Att

) which, if exceeded in an upward direction, triggers the 

activation of the alarm signal.

°C/°F -67.0 ... HAL

-50.0

-50.0

-50.0

PAO Alarm override time after device is switched on following a power outage. hours

0 ... 10

0

0

0

dAO Temperature alarm exclusion time after defrost. 

min

0 ... 999

0

0

0

OAO Alarm signal delay (low and high temperature) after the deactivation of 

the digital input (port closed).

hours

0 ... 10

0

0

0

Содержание EZ-HT

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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