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    UNIVERSAL R4
    #

    UNIVERSAL R4

    The possibility of operating the unit on 12V or 230V, as well as automatic sensor detection (PTC, NTC) makes the UNIVERSAL R4 the ideal refrigeration controller for service applications.

    Serie:

    UNIVERSAL R4

    Universal controller for service applications NK and TK

    UNIVERSAL R4

    UNIVERSAL R4

    Product description

    Circuit Diagram

    Technical Features

    Technical Documentation

    Product description

    Designed to replace over 150 controllers for cooling/heating in 32x74mm format Quick, easy and intuitive installation Fast set-up in just 3 steps Dual power supply 12Vac/dc and 230Vac Special functions for applications with two evaporators Automatic detection of connected sensors Full control of the condenser Easy and quick programming with Hot Key or Prog Tool Kit Power consumption 3VA Display with red LED with 10, 5mm height and icons 7 configurations preset with parameters tC tC1 = Thermostat on/off – cooling tC2 = Thermostat with defrost via compressor stop tC3 = Thermostat with timed defrost cycles tC4 = Thermostat with defrost cycles and temperature control at end of defrost tC5 = Thermostat with defrost cycles and temperature control at end of defrost and evaporator fan tC6 = Thermostat for applications with two evaporators tC7 = Thermostat on/off – heating

    Circuit diagram

    Technical features

    tc=1
    tc=2
    tc=3
    tc=4
    tc=5
    tc=6
    tc=7
    tC = 1

    Circuit diagram


    Technical features

    Display: No.
    digits

    +- 3 d.p.

    Power supply

    12Vac/dc 230Vac

    Fuhlereingange

    Thermostat

    NTC, PTC

    Digital inputs

    Alarm, defrost,
    Auxiliary relay, Door contact, pressostat,
    ON/OFF,
    Energy-saving mode

    2 x config

    Relay outputs

    Compressor

    8A

    Lighting or
    Alarm

    8A

    Other

    Output Hot Key/Prog Tool
    Kit

    pres

    Acoustic
    Alarm

    pres

    tC = 2

    Circuit diagram


    Technical features

    Display: No.
    digits

    +- 3 d.p.

    Power supply

    12Vac/dc 230Vac

    Fuhlereingange

    Thermostat

    NTC, PTC

    Digital inputs

    Alarm, defrost,
    Auxiliary relay, Door contact, pressostat,
    ON/OFF,
    Energy-saving mode

    2 x config

    Relay outputs

    Compressor

    8A

    Lighting or
    Alarm

    8A

    Other

    Output Hot Key/Prog Tool
    Kit

    pres

    Acoustic
    Alarm

    pres

    tC = 3

    Circuit diagram


    Technical features

    Display: No.
    digits

    +- 3 d.p.

    Power supply

    12Vac/dc 230Vac

    Fuhlereingange

    Thermostat

    NTC, PTC

    Digital inputs

    Alarm, defrost,
    Auxiliary relay, Door contact, pressostat,
    ON/OFF,
    Energy-saving mode

    2 x config

    Relay outputs

    Compressor

    8A

    Defrost

    8A

    Lighting or
    Alarm

    8A

    Other

    Output Hot Key/Prog Tool
    Kit

    pres

    Acoustic
    Alarm

    pres

    tC = 4

    Circuit diagram


    Technical features

    Display: No.
    digits

    +- 3 d.p.

    Power supply

    12Vac/dc 230Vac

    Fuhlereingange

    Thermostat

    NTC, PTC

    Defrost

    NTC, PTC

    Digital inputs

    Alarm, defrost,
    Auxiliary relay, Door contact, pressostat,
    ON/OFF,
    Energy-saving mode

    2 x config

    Relay outputs

    Compressor

    8A

    Defrost

    8A

    Lighting or
    Alarm

    8A

    Other

    Output Hot Key/Prog Tool
    Kit

    pres

    Acoustic
    Alarm

    pres

    tC = 5

    Circuit diagram


    Technical features

    Display: No.
    digits

    +- 3 d.p.

    Power supply

    12Vac/dc 230Vac

    Fuhlereingange

    Thermostat

    NTC, PTC

    Defrost

    NTC, PTC

    Digital inputs

    Alarm, defrost,
    Auxiliary relay, Door contact, pressostat,
    ON/OFF,
    Energy-saving mode

    2 x config

    Relay outputs

    Compressor

    8A

    Defrost

    8A

    Fan

    8A

    Lighting or
    Alarm

    8A

    Other

    Output Hot Key/Prog Tool
    Kit

    pres

    Acoustic
    Alarm

    pres

    tC = 6

    Circuit diagram


    Technical features

    Display: No.
    digits

    +- 3 d.p.

    Power supply

    12Vac/dc 230Vac

    Fuhlereingange

    Thermostat

    NTC, PTC

    Defrost

    NTC, PTC

    Defrost 2

    NTC, PTC

    Digital inputs

    Alarm, defrost,
    Auxiliary relay, Door contact, pressostat,
    ON/OFF,
    Energy-saving mode

    1 x config

    Relay outputs

    Compressor

    8A

    Defrost

    8A

    Defrost 2

    8A

    Fan

    8A

    Other

    Output Hot Key/Prog Tool
    Kit

    pres

    Acoustic
    Alarm

    pres

    tC = 7

    Circuit diagram


    Technical features

    Display: No.
    digits

    +- 3 d.p.

    Power supply

    12Vac/dc 230Vac

    Fuhlereingange

    Thermostat

    NTC, PTC

    Digital inputs

    Alarm, defrost,
    Auxiliary relay, Door contact, pressostat,
    ON/OFF,
    Energy-saving mode

    2 x config

    Relay outputs

    Lighting or
    Alarm

    8A

    Heating

    8A

    Other

    Output Hot Key/Prog Tool
    Kit

    pres

    Acoustic
    Alarm

    pres


    DOCUMENTS

    UNIVERSAL R4 MANUAL DE

    Version 1

    January 24, 2022

    904 KBytes

    EXTRAS & ACCESSORIES

    NO EXTRAS & ACCESSORIES

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