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  1. Replies
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    The company that deals with the controls is...

    The company that deals with the controls is called Maine Controls. They access the controls with their laptop computer
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    412

    Want to add there are no error codes

    Want to add there are no error codes
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    412

    NTI Trinity Lx400 not operating

    I was working on a NTI trinity today and the main control said there was a thermostat demand but the boiler was not operating. This boiler is hooked up in tandem with another one just like it that...
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    Baxi Luna HT1.330 error code 130

    Had a approximately one year old install of mine trip out on the flue temp limit switch. I measured around 150-155 degrees F at the flue right next to the sensor. Supply temp going out to the hot...
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    Yeah it's a pretty high end house for this area

    Yeah it's a pretty high end house for this area
  6. Replies
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    Here is one more pic I came accross571141

    Here is one more pic I came accross571141
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    A/C only. The whole house is in floor radiant heat

    A/C only. The whole house is in floor radiant heat
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    Yes it does

    Yes it does
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    2,013

    It's a commercial trane air handler I do not...

    It's a commercial trane air handler I do not recall the exact model but we used it in a residential application because we needed the stronger blower for airflow reasons. I set it up with a suction...
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    Trane a/c install

    Trane a/c install with zone dampers. Ductwork was subcontracted. Refrigeration piping done by me as well as wiring
  11. Yeah I'm hoping to go right thru this system as...

    Yeah I'm hoping to go right thru this system as soon as warmer weather gets here in Maine.
  12. O alright good to know thank you for the info

    O alright good to know thank you for the info
  13. Looks like somebody previously put a metal...

    Looks like somebody previously put a metal deflector on the top as seen in the picture to Mimic being closer to the ceiling possibly
  14. Dunham/bush circular evaporator airflow question

    570411. Air flow on this evaporator is currently sucking air thru the coil and blowing out the top of the evap. Is this correct? Seems to me it would work a lot better sucking air from the top and...
  15. System running pressures?

    System running pressures?
  16. no liquid sight glass anywhere?

    no liquid sight glass anywhere?
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    Display doesn't brighten or anything, I guess I...

    Display doesn't brighten or anything, I guess I better get a new board coming
  18. Replies
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    Weil McLain GV90 boiler

    For those of you with experience with the GV90 high efficiency cast iron boiler, how do you adjust boiler set point temperature? In the instructions it says to just turn the dial on the control to...
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    I believe he already said he cleaned that

    I believe he already said he cleaned that
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    Anybody have suggestions on where to buy a...

    Anybody have suggestions on where to buy a quality drill bit set?
  21. Replies
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    4,585

    Unfortunately in my case the gas valves will have...

    Unfortunately in my case the gas valves will have to be changed out to make the switch back to natural gas. We are planning on added itron natural gas regulators near each unit, with a 2 psi system.
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    Well I priced out natural gas parts for 11 Lennox...

    Well I priced out natural gas parts for 11 Lennox rooftops and they get $14.00 for each orifice, and there is about 100 or so orifices that are gonna need to be replaced on this job so I figured...
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    Drilling gas orifices

    Just curious if any of you fellow techs have drilled out gas orifices in the past and had good luck doing that? In my area natural gas is new and I am currently bidding on some jobs that would save...
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    Yes it is and thank you

    Yes it is and thank you
  25. Replies
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    647

    Krack evaporator orifices

    I am working on a krack sk-24-78a evaporator and I was wondering if anybody could tell me the distributer orifice size for r-12 and also for when using r-22
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    Yeah purged thru for a couple minutes no signs of...

    Yeah purged thru for a couple minutes no signs of air
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    Baxi HT 1.330 boiling

    Has anybody messed around with a baxi ht 1.330 boiler with a plugged heat exchanger? I believe I have a plugged one because when the boiler ramps up to high fire it starts boiling big time. I had a...
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    Commercial Honeywell gas valve

    I am installing a commercial carlin burner and in the gas train is a Honeywell v48a2169 diaphragm gas valve. I was curious on the proper vent tube sizing for bleed port on this valve?
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    Maxitrol venting

    I am installing a commercial Carlin gas burner on a existing Smith boiler and I was wondering what vent line sizing guys were using on the maxitrols? I am installing a 325-7A maxitrol and a RV61...
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    Powerflame J50A-15HBS Burner Problems

    Im working on a hb smith 28A-6 hot water boiler with a powerflame J50A-15HBS natural gas burner. I cleaned boiler today and noticed that I was rumbling quite hard, also had been running really sooty....
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    Just curious if you guys out there are installing...

    Just curious if you guys out there are installing service switches at the indoor units with there ductless splits? I work with a master electrician that insists they must be there. We have been using...
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    Are you looking at using the hyper heat?

    Are you looking at using the hyper heat?
  33. Replies
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    Ya 106 degrees that could have somethingto to do...

    Ya 106 degrees that could have somethingto to do with the compressor tripping on thermal haha
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    Sounds like to me you already have determined...

    Sounds like to me you already have determined atleast part of the problem with the hot air recirculation across the condenser coil.
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    Customer using a different brand product or...

    Customer using a different brand product or anything different in the product being used recently by any chance? Just trying to think outside the box haha
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    Great product from what i hear and i am actually...

    Great product from what i hear and i am actually gonna be installing one in the next two weeks
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    I now have apolicy to inform customer that there...

    I now have apolicy to inform customer that there may be other issues that caused the compressor to fail but wont know until compressor is replaced and additional costs and diagnosis maybe involved....
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    Well the only issue i see with that diagnosis is...

    Well the only issue i see with that diagnosis is that it runs properly in cooling he said
  39. Replies
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    Really seems like a restriction is going on, in...

    Really seems like a restriction is going on, in piping in between units to me. I would add ports to the system at the inlet and outlet of the indoor unit and probably on either side of the drier as...
  40. Thread: MP 39 (401A)

    by sgagne199
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    I myself would convert back to 404a i like that...

    I myself would convert back to 404a i like that refrigerant
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    Have you checked to see if the plastic slides are...

    Have you checked to see if the plastic slides are installed under the fin tube against the fin tube supports for heat expansion and contraction? But that would make more of a clicking sound rather...
  42. I agree because if it has been working fine...

    I agree because if it has been working fine before and you have to adjust it to make it work again with different settings then something has obviously failed in the valve to mess it up.
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    Ok thats kinda what i figured thanks for the input

    Ok thats kinda what i figured thanks for the input
  44. Replies
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    Flame rectification circuit

    On a electronic ignition intermittent pilot ignition control is there any known methods of testing the flame sensor besides measuring amperage? Was curious if any techs had different tricks or...
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    Yes they are available in the USA.

    Yes they are available in the USA.
  46. Replies
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    Sounds Like you need to install some tattle tales...

    Sounds Like you need to install some tattle tales on some of those safeties
  47. Replies
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    U got voltage at blower motor

    U got voltage at blower motor
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    Very good point baub i think i will try your...

    Very good point baub i think i will try your suggestion first before altering the unit
  49. Replies
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    R404A and 5F is customer requested temp. IMO the...

    R404A and 5F is customer requested temp. IMO the customer is asking this freezer to make be a little more accurate than it was originally designed to be.
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    Yes dipping cabinet. And the only reason y i...

    Yes dipping cabinet. And the only reason y i wanna do away with the lp control is because i would like to give the customer some temp control they can understand and use
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