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Type: Posts; User: mazdajoe

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  1. Trane 90ton Intellipak Dirty Filter Switch Error

    Trane intellipak has a dirty filter switch error. Filters are clean. Confirmed with ohmeter that switch remains open while unit is running. I even clipped the input directly at the RTM board and the...
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    533

    I can't remember what a HS9 looks like but how...

    I can't remember what a HS9 looks like but how soon after you remove the door does the unit shut off? When you remove the door can you see the coil and fan motor? Is the high pressure switch a manual...
  3. Pressure Independent Automatic Flow Control Valve Water-Hammer Issue

    New construction office building with 80+ watersource heatpumps. Three or four of the units have a pretty bad water hammer or surging noise in their branch line. Automatic balancing valves are on the...
  4. Thread: Career Advice

    by mazdajoe
    Replies
    3
    Views
    349

    Career Advice

    First, a little background about myself. I attended a post-secondary institution and received a bachelor of science in business degree, realized I didn't want to wear a suit and so applied for a...
  5. Thread: YSC036E issue

    by mazdajoe
    Replies
    28
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    1,734

    I have come across this error code. Replace the...

    I have come across this error code. Replace the board and all is good.
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    32
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    2,357

    I wear a neoprene glove. These are available with...

    I wear a neoprene glove. These are available with a textured finish on the fingers so you still have some grip when oil sprays on it.
  7. John Hutchey from Honeywell touched on this...

    John Hutchey from Honeywell touched on this briefly in the Spyder BACnet class. I forgot about it but stumbled upon it when looking through the documentation he handed out. lwarren's post below...
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    2
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    277

    I am pretty sure Honeywell gave up on Webvision,...

    I am pretty sure Honeywell gave up on Webvision, their technical support for it just does not exist.
  9. Today I found that you are not supposed to use...

    Today I found that you are not supposed to use the rate limit block between the PID out and the modulating output in on the wire sheet with the spyder. That, along with a 20 degree throttling range,...
  10. Honeywell Spyder Modulating Boiler Control PID Advice

    I installed and programmed a Honeywell Spyder to control a modulating, condensing water boiler used to heat a large worship center. I am using the OAReset macro that came with the Spyder tool to...
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    2
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    277

    Webvision Issue - XL15C losing bindings

    I have a Webvision system with two XL15c controllers. I am randomly losing bindings between one XL15 and it's associated smart vav controllers. The other XL15 running the other zone operates...
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    23
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    1,320

    Are you allowing the thermostat to cycle the...

    Are you allowing the thermostat to cycle the furnace on/off or are you manually moving the setpoint above room temp to cycle the system? I may be (probably am) wrong, but I think the logic in a...
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    4
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    528

    Is the equipment grounded back to the panel?...

    Is the equipment grounded back to the panel? Also, remove the flame amplifier, inspect the connections and check for "blue dust" caused by vibration. Control can only withstand .5g of constant...
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    17
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    1,273

    The above is correct. I ran into this problem a...

    The above is correct. I ran into this problem a few months back. I Added the MJ-X magic snake oil to the circuit with the Alliance compressor, checked it a couple weeks later and it is working...
  15. Johnson Controls Metasys Zone Terminal Password

    I am trying to adjust O/A cooling setpoint in a Mammoth multi-zone through the Johnson Controls Metasys zone terminal and we have no record of the password. Is there a way to reset the password or a...
  16. Voltage present from low voltage common to ground.

    My Background: 3 years in the trade, 1 years of commercial service.

    Equipment: Small 3-phase, 240v Amana RTU with electric heat but wired for cool only, no refrigerant gage ports, older than me. ...
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    14
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    1,099

    Aaon's are pretty noisy when operating normally...

    Aaon's are pretty noisy when operating normally but I have experienced the "jet engine" noise you described. Normally this is caused by the baffles in the heat exchanger falling down because of...
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    11
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    1,122

    There is only a 2-wire snap disk wired in series...

    There is only a 2-wire snap disk wired in series with the heaters which I assume only opens the heater circuit if the coil gets too warm but it does not terminate the defrost timer. This freezer is a...
  19. Replies
    11
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    1,122

    It has a newer (judging by the lack of grease)...

    It has a newer (judging by the lack of grease) Grasslin defrost timer on it. I let the timer run into defrost and it worked properly. I let the timer run out of defrost and it worked properly. The...
  20. Replies
    11
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    1,122

    R12 Reach-in Freezer Problem

    I am new to the light-commercial refrigeration side of the industry and have similarly low experience with R-12. Today while working on a spring PM on split-systems at a restaurant the manager asked...
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