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  1. Thread: Walk in freezer

    by fridg
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    19
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    433

    Line length will impact on pressure & refrigerant...

    Line length will impact on pressure & refrigerant charge also , now working backwards with temperature the same. Pumping capacity will dictate mass flow rate followed by pressure differential.
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    515

    Hot water on the bulb of the metering device will...

    Hot water on the bulb of the metering device will let you know if it is pulsing correctly ,,, could be wide open. 6K I'd be shooting for.
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    380

    Does the ice travel all the way back to the...

    Does the ice travel all the way back to the outside motor ??

    You do need to get that thing serviced ,, bit like a car ,, you wouldn't drive it 50000Kms without at least one minor service.....
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    363

    Sounds good ,,, the refrigerant expands as it...

    Sounds good ,,, the refrigerant expands as it goes through or exits the metering device & now it can receive the energy more easily from the space.
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    1,082

    Would not even try to sniff without my D-Tek...

    Would not even try to sniff without my D-Tek Select , do have a CPS ls3000 $500 but is always second fiddle to my Javac. :grin2:

    After use I unplug the 2pin plug in the battery compartment as I...
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    363

    The basic of it is imagine water in a coffee jug...

    The basic of it is imagine water in a coffee jug , as it sits it is a saturated liquid.
    Turn the jug on & the water boils the the water is becoming superheated & the steam is the superheated...
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    3,731

    I'm the same ,, help a guy take his tools back to...

    I'm the same ,, help a guy take his tools back to the truck ,, but let him put em away where he knows they go. Most of our guys run like this.
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    A few of the never ending process of LEAN. :grin2:

    A few of the never ending process of LEAN. :grin2:
  9. Could be the door switch ,,, the door might be...

    Could be the door switch ,,, the door might be open.....
  10. Replies
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    645

    Nope , just the Danfoss as mentioned & the...

    Nope , just the Danfoss as mentioned & the trax-oil.

    Thanks for the info , going straight into iBooks library.
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    645

    What is this encapsulated pressure control ? ...

    What is this encapsulated pressure control ?

    It has Danfoss HP/LP & Danfoss oil HP/LP , the sump of the compressors doesn't even have the pressure differential inside.
  12. Replies
    17
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    645

    Yea but still is going into pumpdown internally ,...

    Yea but still is going into pumpdown internally , could be a valve sticking ,,, but to get from inside compressor 1 to 2 it has to take the most unusual path including through a suction line drier ,...
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    265

    If you could get the colour right & the lux or...

    If you could get the colour right & the lux or throw of the light right it could be a good thing.

    Reason for using natura or fluora (red light) is to make the meat look bright red & to have some...
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    645

    Bitzer Unsure on total horse & why is this...

    Bitzer
    Unsure on total horse & why is this relevant ?
    23psi rack set point
    R404
    First post states"low temp"
    Unloaders , yes
    Programming has never changed from working conditions.


    Went...
  15. Replies
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    3,731

    I'm pretty impressed with my van set-up ,,, but I...

    I'm pretty impressed with my van set-up ,,, but I need to take some pics & put them up.
    It's easy to keep a clean van clean , than to clean a dirty van ,, same goes for regular PM's.
    Are we still...
  16. Septicemia from mould in open wounds ,,, an...

    Septicemia from mould in open wounds ,,, an emergency operation at 7:30pm at night & a 4 day stay in hospital suddenly woke me up to the dangers mould could cause.....
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    645

    All compressors are the same model & capacity of...

    All compressors are the same model & capacity of bitzer.

    Discharge line temp with one compressor isolated was 100'C
    When compressor 1 power restored dropped to 74'C

    As far as short cycle ,,...
  18. Hot water on that bulb is going to diagnose a TXV...

    Hot water on that bulb is going to diagnose a TXV pretty quick.

    I agree you need a senior tech or somebody who can put the evidence together to guarantee a part changed is going to be the fix of...
  19. Replies
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    2,801

    Copeland or Emerson for me please.........

    Copeland or Emerson for me please.........
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    645

    All running as intended. This is just plain...

    All running as intended.

    This is just plain weird , how can this issue shift from compressor 1 to compressor 2,,,,,,,,,,,then just disappear when both compressors are in service ?:confused:
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    645

    Due to ? I ran 2 defrosts yesterday 1 on 4...

    Due to ?

    I ran 2 defrosts yesterday 1 on 4 cases on 1A
    Then 1 on 4 cases on 1B

    All defrosted & recovered from defrost as normal...
  22. Replies
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    645

    Supermarket Rack Weirdness

    Called out to a rack LL alarm , sorted that issue pretty quick..

    But on entering Plantroom heard compressor 2 of 3 on a low temp rack making some weird noises like it was pumping down then would...
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    451

    Comms or S3 is always a pulse signal ,,, good...

    Comms or S3 is always a pulse signal ,,, good practice is to run a separate cable so as not to create interference.:.02:
  24. Replies
    9
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    451

    Lev valve would compensate for not using maximum...

    Lev valve would compensate for not using maximum line length.
    Unless you were within 2 ft of the pairing.

    What does inside the cover legend say for a 6 Flash code ?
  25. Yerp ,, we cleaned the chicken room coil where...

    Yerp ,, we cleaned the chicken room coil where they coat the chickens with spray on oil before cooking....
    That puppy was looking mighty fine after we were finished...:yes:
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