612 fan flow direction

Discussion in 'ViP612/622/722/722K DVR Support Forum' started by leroy schmidtlap, Nov 3, 2020.

  1. Nov 3, 2020 #1 of 24
    leroy schmidtlap

    leroy schmidtlap New Member

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    I have a 612 dish dvr that had a internal fan problem. I took the unit apart and oiled the fan. BUT I forgot which direction the air flow was. Looking at the front of the 612 does the air flow from left to right or does the air flow from right to left?
     
  2. Nov 4, 2020 #2 of 24
    P Smith

    P Smith Mr. FixAnything

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    simple rule - the fan must push room air into the box
     
  3. Nov 4, 2020 #3 of 24
    leroy schmidtlap

    leroy schmidtlap New Member

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    The question was "from which side" There are slots on the left side and the right side. SO which side is the air pulled from because the fan can be oriented either way. I have to believe one is correct and the other is not.
     
  4. Nov 4, 2020 #4 of 24
    harsh

    harsh Beware the Attack Basset

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    I don't have any experience with the ViP612, but if the fan simply moves air from one side of the case to the other, it probably doesn't matter.

    A photo would be useful if you have the lid off.
     
  5. Nov 5, 2020 #5 of 24
    P Smith

    P Smith Mr. FixAnything

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    I recall it's sit near of a vent at one side; cannot imagine the device have TWO point of installation for the fan !
    Also, look closely at the fan, on one of its side you will see two arrows: one is a direction of rotating, other will tell you air's direction
     
  6. Nov 6, 2020 #6 of 24
    leroy schmidtlap

    leroy schmidtlap New Member

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    Does anyone have a 612 that they can put tissue paper near the vents? If so put it on the right side and then on the left side and please let me know which side does the air blow out of. I took the fan out and forgot which way it was facing on the re-install and I'm trying to find that out from posting here. DISH of course has no clue. I am hoping that some member knows
     
  7. Nov 7, 2020 #7 of 24
    P Smith

    P Smith Mr. FixAnything

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    I would mount it on SAME spot, that way as it will sucking air from near side/went and pushing the ambient air over main board and HDD
     
  8. Nov 7, 2020 #8 of 24
    harsh

    harsh Beware the Attack Basset

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    It appears that nobody here knows for certain so the next step is to provide us with a picture. There aren't many ViP612s left in the wild and I wasn't able to find an internal photograph online (nor the outwardly similar ViP722k).
     
  9. Nov 7, 2020 #9 of 24
    P Smith

    P Smith Mr. FixAnything

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    I still have 722 ...
     
  10. harsh

    harsh Beware the Attack Basset

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    The ViP722 had significantly different casework from the ViP722k (and the ViP612).
     
  11. P Smith

    P Smith Mr. FixAnything

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    I recall original 622 was a base for 612
     
  12. harsh

    harsh Beware the Attack Basset

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    Probably not.

    The ViP722 was released in the Summer of 2007 and the ViP612 was released in early 2008. If anything, the ViP612 may have been a preview of the ViP722k that would be released a little over a year later.

    Of course what's most important here is the receiver with the most similar casework and from the pictures below, it can be seen that the ViP612 external appearance is very much like the ViP722k.

    Here's a head shot of the ViP722k (from the Echostar Knowledge Database):
    [​IMG]

    Here's the ViP612 (lifted from the Solid Signal website):
    [​IMG]

    I found a video on YouTube where someone is scrapping out a ViP722k and the fan very obviously intakes on the right side and exhausts towards the hard drive:
    upload_2020-11-8_8-11-42.png
     
  13. P Smith

    P Smith Mr. FixAnything

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    oh! I recall it now! that's correct
     
  14. leroy schmidtlap

    leroy schmidtlap New Member

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  15. leroy schmidtlap

    leroy schmidtlap New Member

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    Nov 3, 2020
    The info that it pulls from right side and exhausts over the hard drive is exactly what I wanted to know since the fan can be mounted in the exact same space with 180 Degree orientation which nobody seemed to grasp except you. Thanks
     
  16. harsh

    harsh Beware the Attack Basset

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    You could have made this considerably easier if you had simply posted a photo as I suggested in post #4. Without a picture to use as a frame of reference, it is hard to verify what's where and why.

    The hard drive is typically the component that has the most trouble dealing with heat and it turns up to 40% of the total power in the DVR into heat.
     
  17. P Smith

    P Smith Mr. FixAnything

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    and another 60% of heat id producing by CPU/SoC !
     
  18. P Smith

    P Smith Mr. FixAnything

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    ahh... you are no reading, not listening ... I told you right way from beginning; I didn't realize you missing the point of location ambient air :handpointup:
     
  19. leroy schmidtlap

    leroy schmidtlap New Member

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    I don't know what you are referring to ambient air having anything to do with my original question. As to a picture how does that tell you direction of airflow like I asked? The fact the air is to blow over the \cPU and hard drive
    is meaningful, the rest I am sorry to say are just guesses or non-answers.
     
  20. P Smith

    P Smith Mr. FixAnything

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    that was relevant and pertinent info to make good educational guess for you and install the fan correctly
     

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