Search Results - HVAC-Talk: Heating, Air & Refrigeration Discussion

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Type: Posts; User: SuperDave89

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  1. I have had several pressure switches this year...

    I have had several pressure switches this year with measurable resistance between the contacts creating a slight load causing the board to go out on a pressure switch fault
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    If the shower head needs cleaned it reduces the...

    If the shower head needs cleaned it reduces the water flow through the heater and it will modulate to a lower fire and the customer will get cooler water,then hot, then cool again.
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    If the blower is running non stop check the high...

    If the blower is running non stop check the high limit safety in the heat exchanger compartment. I think there is also one in the blower compartment. Had one that opened last week and the only...
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    Did you check the new cap you installed. I've had...

    Did you check the new cap you installed. I've had them bad right out of the box. Had a co worker the other day use a cap that read good but every time you applied power the fan wouldn't start. He...
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    Today i used a micro channel repair kit with an...

    Today i used a micro channel repair kit with an aluminum rod with built in flux. Had to keep the heat low but worked pretty good.
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    JB love it has battery or 115v hookup!

    JB love it has battery or 115v hookup!
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    Did you double check that suction lin pressure....

    Did you double check that suction lin pressure. sometimes if a reading is off i'll take my gauges off zero them and re aply.
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    I've never heard of to much return air. I was at...

    I've never heard of to much return air. I was at a new customers house today that just had his ducts cleaned and the company told him to tape off some of his return grills to make the unit try to...
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    8-12 is a good superheat on hot days. But on...

    8-12 is a good superheat on hot days. But on cool days with a fixed piston metering device you will have a high superheat because your pressures are low and the refrigerant is boiling of quicker in...
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    that is unbelievable i would love to see those...

    that is unbelievable i would love to see those head pressures on a hot summer day!
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    Ive seen high head pressures and low tds on...

    Ive seen high head pressures and low tds on residential units.
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    75 suction seems low to me?

    75 suction seems low to me?
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    9ft kind of long for single wall pipe.

    9ft kind of long for single wall pipe.
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    .65 seems a little low on your inducer

    .65 seems a little low on your inducer
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    I think its more of a wiring issue not...

    I think its more of a wiring issue not necassarily the gas valve. Ive heard of the new pig tail ferescent lights causing problems with polarity on units that are not on dedicated cercuits people put...
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    Right some times its the simplest things!

    Right some times its the simplest things!
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    To check for proper voltage to a flame sensor go...

    To check for proper voltage to a flame sensor go from the sensor wire to ground. Generaly 50 to 90 volts depending on model.
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    Did you clean the pilot tube and pilot?

    Did you clean the pilot tube and pilot?
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    does the furnace have a good ground ? is it on...

    does the furnace have a good ground ? is it on its own dedicated circuit?
  20. Thread: Geo wierdo

    by SuperDave89
    Replies
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    589

    Are you saying the compressor keeps running when...

    Are you saying the compressor keeps running when there isnt a call for heat?
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    Any time i change a compressor or outdoor txv i...

    Any time i change a compressor or outdoor txv i always move them out of the condeser. No problems yet.
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    need more info

    need more info
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    I'd also check the blower wheel when the air...

    I'd also check the blower wheel when the air scoops start to get gummed up with dirt they dont push enough air.
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    to many companys swap out furnaces they just put...

    to many companys swap out furnaces they just put it in real quick and walk away. They dont go through proper set ups like checking gas pressure, temp rise or proper duct work sizing. To many newer...
  25. I also agree it could be a bypass check valve...

    I also agree it could be a bypass check valve issue. I woul also run the unit in the cooling mode with the blower off and see if where the indoor metering device and feeder tubes might start freezing...
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