A step by step troubleshooting ice built up on evaporator and adding refrigerant is hereby detailed here and adjusting defrost settings of dixell digital control:👇

R404A IDEAL CHARGING FOR COMMERCIAL REFRIGERATORS:

CHILLER 30-40 PSI
FREEZER 20-25 PSI
COLD/COOL ROOM 20 PSI

Idf – 3 hrs (defrost interval) change to 5 hrs
Mdf-30 mins (lenght of defrost) change to 20mi

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13 thoughts on “HOW TO ADD R404A REFRIGERANT INTO UPRIGHT FREEZER

  1. Joel Bengco says:

    Sir, thank you for your very informative video. May I ask your help. I have a 4 door upright freezer with R404 refrigerant. I changed the filter dryer and capillary. I have another access valve before the filter dryer. Is it ok to charge liquid R404a before the filter dryer side or vapour on the low side? Thank you and more power.

  2. trending 4you says:

    Sir I have a question.
    I have a refrigerator which is horizontal laying down with 3 doors in silver metallic body
    And in this gas is 404a I charged gas and its working good but becoming very hot after some and because of over load stops working
    Plzzz tell how much gas i should charge at how much amps so the compressor will not get hot any more and cooling also be good
    And I need temperature of that chiller from +1 to +3 range
    Plz

  3. Sin Tiania says:

    Good day sir, upright freezer 404a Hindi cia lumamig nakusulat sa specs. Amp. 3.5 amp. Charge ako ng 25 psi NASA 11°C temperature, Hindi lumamig tapos umiit compressor, ano Po ung purpose ng solinoid valve thanks po

  4. Felix Cabalcar says:

    Sir can i ask all of my unit is walk in freezer… At McDonald's 404a refrigerant..
    What is the advantages and disadvantages if i recharge it in liquid lowside and gas lowside sir.. thank you very much sir…

  5. shah bakhtiar says:

    Sir..i have question.i have a machine which is must go at least -30..but after change new compressor , filter drier and capillary..it only goes to -20…what should i check…im already increase the liquid r404a ..but it seem didnt work until frost on ..what should i check ? Low pressure only go to 10 psi..thanks

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