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Thread: ranco vt9

  1. #1
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    ranco vt9



    hi guys have had to replace a faulty thermostat for a customers fridge. the old thermostat had only two pins. i was give a Ranco VT9. i connected the wires to pins 3 and 4 is this correct? when i turned the dial to off position the fridge did not stop. i did not have time to wait for the fridge to pull temp? can some please explain how this thermostat works, the wiring diagram show pins 6,3,4 , heater and compressor. what is warm out, cold out is this the temperature range? I am commercial tech never worked on a domestic fridges. any help would be much appreciated. Thank you.



  2. #2
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    Re: ranco vt9

    I'm not 100% on this but ,I think a VT9 is for a half and half fridge freezer.
    If you are working on a fridge with a small ice box you might need a VP4 for push button defrost or a VC1.
    Haven't touched a domestic in years.
    I'm sure one of the domestic lad's will be able to clear it up for you .

    Cheers

    Stu
    Last edited by stufus; 31-10-2011 at 12:15 PM. Reason: VC1/VP1
    Tool's ? check ! Condom's ? check !
    If you can't fix it , f*ck it !!!

  3. #3
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    Re: ranco vt9

    Savoc. 6 and 4 is the ones you want.put second leg of evaporator heater on number 3. positions 6 and 4 allow fridge to be turned off manually as well as cycling on temperature. vt9 is for a fridge only, or fridge freezer with seperate compartments, as in freezer top and fridge bottom. Not for frost free unless it's a Fisher and pykel with static evaporator in the fridge section..Mike.
    To the optimist, the glass is half full. To the pessimist, the glass is half empty.

  4. #4
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    Re: ranco vt9

    Fair play mike
    I haven't touched a domestic in a long time.
    Cheers
    Stu
    Tool's ? check ! Condom's ? check !
    If you can't fix it , f*ck it !!!

  5. #5
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    Re: ranco vt9

    Thermostat guide:

    Fridge Thermostat: Ranco VF3,VL3: Universal
    Ranco:
    UNIVERSAL
    Freezer/Ice cream cabinet: 'No signal'

    Cold out -34c, Warm out -16.5c, Warm in -12c, capillary length 2000mm:



    Fridge Thermostat: Ranco VS5,VL5: Universal
    Ranco: Compares to Atea W6, Danfoss Kit 6 and Whirlpool WPLW6
    UNIVERSAL
    Freezers with signal:

    Cold out -34c, Warm out -16.5c, Warm in -12c. Signal operation cuts in 5c above cut in. Capillary length 2000mm



    Fridge Thermostat: Ranco VT3,VT93: Universal
    Ranco:
    UNIVERSAL
    Fridge Freezers with extra long capillary:

    Cold Out -26c, Warm Out -11c, Defrost Termination +3.5c* (*Constant cut in) Capillary Length 3000mm



    Fridge Thermostat: Ranco VT9,VL9: Universal
    Ranco: K59L1102002 K59 Compares to Atea W4, Danfoss Kit 3 and Whirlpool WPLW4
    UNIVERSAL
    Two door Fridge / freezers WITH automatic defrost:

    Cold out -26c, Warm out -11c, Defrost termination +3.5c* (*constant cut in). Capillary length 1200mm



    Fridge Thermostat: Ranco VT9R
    Ranco:
    UNIVERSAL
    Fridge/freezers with auto defrost. Where the original thermostat has an internal heating restrictor.

    Cold out -20c, Warm out -8c, Cold in +3.5c. Capillary length 1200mm




    Fridge Thermostat: Ranco VTD9,VLD9: Universal
    Ranco:
    UNIVERSAL
    Fridge/freezers with heat assisted defrost systems.

    The VT9D operates in a similar way to the VT9, giving a defrost on every switching cycle. The control is fitted with a SPDT (Changeover) switch, enabling the defrost assistence to be switched on during the defrost period.

    The temperature setting range is -25.5c to -14c with a constant cut in at +5c



    Fridge Thermostat: Ranco VXO: Universal,Candy,Kelvinator
    Ranco:
    UNIVERSAL
    Larder Fridges
    CANDY
    Fridge Freezers:
    KELVINATOR
    Fridge Freezers:

    Larder fridges operates in a similar way to the VT9 thermostat giving a defrost on every cycle. However, the temperature range setting is higher than that of the VT9 in order to prevent over freezing of the cabinet:



    Fridge Thermostat: - Ranco VC1 KIT

    Ranco
    Compressor refrigerator
    Cold out –23C, Cold in-14C.40C, Warm in +20C Capollary length 1200mm



    Fridge Thermostat: - Ranco VP4/VL4

    Fridge "Push Button" Defrost Cold Out -25°C" Warm Out -10, 4°C" Warm In -4°C Defrost Termination +5, 5°C


    www.airdomestics.co.uk

  6. #6
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    Re: ranco vt9

    Now that's just showing off Tonto!
    To the optimist, the glass is half full. To the pessimist, the glass is half empty.

  7. #7
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    Re: ranco vt9

    Quote Originally Posted by stufus View Post
    Fair play mike
    I haven't touched a domestic in a long time.
    Cheers
    Stu
    Bet you have too! Where do you keep the beers then? At least this domestic is not controlled by PCB.
    To the optimist, the glass is half full. To the pessimist, the glass is half empty.

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