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Type: Posts; User: iahvac

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  1. Replies
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    alerton bcm problem

    hi everyone i have a alerton system about 4yrs old. I am no longer able to long into the graphics. i believe the problem is with the bcm which no longer has status leds. if u flip open the panel my...
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    setting up power burners

    I have 2 identical boilers about 2 years old and both are set up diferent. Not sure if the set up is the best but they run ok. Looking for tips or info on the best way to set up a gordon piat burner
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    Honeywell pneumatic part

    Hi all i am trying to find a Honeywell pneumatic min/max cfm relay for a pneumatic vav box. The #'s on the relay are 14003617-003 and hk08zz026 all the places i call say it's discontinued and has no...
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    40 ton refrig. rack oil pressure issue

    Hey everyone have a zero zone parallel refrigeration rack with 2 copeland 20t compressors. last year replaced 1 compressor toward the end of the year due windings breaking down issue but ran ok. new...
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    0-10 vdc actuator with a 4-20 ma output

    Hey everyone I just replaced a bad valve and actuator with a new one and purchased a 0-10 vdc actuator (Siemens ssb61u) and planned on changing the output on the computer to 0-10 vdc but found out my...
  6. Thread: Trane Summit ?

    by iahvac
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    321

    Trane Summit ?

    What needs to be done to be able to have my summit program notify me off alarms?
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    Looking for ari #

    I am looking for the ari #'s of my ruud furnace and ac. furnace model____ugfd-09ezcms ac___uarl-048jez coil___rcfm-hm4821ac. I tryed the ari website with no luck
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    1,715

    had 190-195 on display needs min of 120.

    had 190-195 on display needs min of 120.
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    weil mclain ultra

    Have weil mclain ultra model 399 series 3 that keeps tripping out every 8-10 hrs on flame fault (not ignition fault). Reset and runs fine. just installed 3 weeks ago. Ran a new ground to breaker...
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    I agree jayguy coils get plugged in between fins...

    I agree jayguy coils get plugged in between fins and start to backspin (path of least resistance) Of course coils are a couple inches thick can't be cleaned like when new. Ordered a clutch bearing...
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    Yes sometimes the wind blows them backwards fast...

    Yes sometimes the wind blows them backwards fast enough to keep them going backwards.
    other times the first stage compressor comes on with the first 2 fans then kicks on the other 2 fans with the...
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    Condensor fans run backwards

    Have a trane rtu model:ycd480aehe serial: c00a02640 480v 3 phase where the condensor fans (480 1 phase) like to start up backwards once in awhile causing it to trip out on high pressure. Tryed to...
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    451

    refrigeration rack ?

    Worked on a zero zone refrigeration rack and was wondering what the 3/8 line between the reheat return line and suction line was for. Seen it has a solinoid valve and tev in the line.
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    ice maker fan problem

    Cornelius ice maker won't kick on cond. fans. No power out board thinking bad condensor sensor or bad board. Sensor had ohm reading but no chart to tell what temp it ohms too. Anyone have a chart for...
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    honeywell lonspec

    Have honeywell lon spec on job site. Looking for a way to de-energize boiler and reheat above a certain osa temp. Didn't know if I can set up a contol loop to shut off re-heat when pump/boiler not...
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