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  1. Replies
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    the valve checked good the heat added and then...

    the valve checked good the heat added and then dip into and ice bath, responsive to both
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    tXV

    The TXV was changed from the factory Danfoss to a Sporland, The equalize line was check for flow. All checked good. Air flow was double checked by checking pressure drop a crossed the coil. .58”wc
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    Fixed

    Sorry for the delaying in posting, While I was on vacation, another tech replaced the indoor coil. After replacement the system ran at spec's 12 deg s/c 9 deg of s/h. althought the coil would frost...
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    As did I with three different instruments A...

    As did I with three different instruments A cooper digital. Field Piece digital. And my old standby yellow jacket and fluke temperature probes. Nothing makes sense. How can a evap show flooded and...
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    The Refrigerant charge was recovred and weight...

    The Refrigerant charge was recovred and weight back in @ factory specs added 5 lbs more. and removed 10lbs. still little change is s/c
  6. Thread: infinity system

    by MIDCAM
    Replies
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    874

    Infinity Issue

    Did the screen read critical malfunction or system malfunction? Critical malfunction are when the infinity control cannot commutate with the blower. Or there is a blower motor fault. This is a hard...
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    Compressor @ 60% of fla air flow @ 700cfm

    Compressor @ 60% of fla air flow @ 700cfm
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    25HNB624 with an FE4ANF003 Air Handler. 90 deg...

    25HNB624 with an FE4ANF003 Air Handler.
    90 deg ODBD Pressures 298/138# liquid line@ service valve 93deg vapor @ service valve 52 deg.
    air flow @ 700 CFM +/- 20 cfm
    RA 76 deg db 67 Deg wb
    SA ...
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    Low Subcooling Low Superheat?

    I am working on a two stage heat pump with a varable speed air handler.
    The system runs about 1.5 deg S/C and about 2 deg S/H The delta T is 22 deg. A capacity check shows systems is operation at...
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