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Type: Posts; User: geochurchi

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  1. Replies
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    297

    Thermostat in series with humidistat

    Hi All, I hope someone can explain the theory behind this installation,my condo in Fla. has a humidistat to control the humidity it is tied in series with Y1 on my Stat ,so that both devices must be...
  2. Thread: MO POE

    by geochurchi
    Replies
    1
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    234

    MO POE

    Hi All, can someone explain the use POE and MO oils?
    Thanks
    Geo
  3. Replies
    22
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    1,511

    Replacing condenser only

    Hi All, in the event that I may need to replace my condenser my thought is to replace only the condenser because the AHU is fine or worst case replace only the A coil,any thoughts?
    Also any thoughts...
  4. Replies
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    602

    Yes, unfortunately it is and I want to install...

    Yes, unfortunately it is and I want to install the Buderus power vent if I can determine the part number, Buderus use to have a good tech support forum but no longer, so I will attempt to call them...
  5. Replies
    2
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    602

    Buderus power vent

    I have a Buderus G124 propane fired boiler which I plan on installing a power vent,is there any need to make any adjustment to the boiler?
    Thanks
  6. Replies
    4
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    781

    Venting issue

    The fact is that the boiler has been fine for 6years until the pellet stove was installed and the door at the top of the cellar stairs is being left opened so the warm air will rise I am thinking...
  7. Replies
    4
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    781

    Buderus boiler

    Hi,I have a customer with a Buderus G124SP boiler and the flue hi temp safety keeps opening on occasion and shutting the boiler down,the boiler is located it a large open basement they have recently...
  8. Replies
    1
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    1,319

    Taco ZVC 406 EXP

    Hi all, Having an intermittent problem with Taco ZVC 406 EXP that has worked fine for about 7years now on occasion when there is a call for heat from either of the 2 zones there is no response from...
  9. Replies
    7
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    1,740

    Air in a closed loop system

    Hi, can anyone explain how air gets into a closed loop heating system?

    Thanks
  10. Replies
    11
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    980

    Propane volume

    OK, that makes more sense to me, thanks for taking the time to explain.
  11. Replies
    11
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    980

    Propane volume

    Assuming I did have the correct pressure on both sides of the valve how dose the pipe size make a difference ? Dose it have to do with the gas density or something?

    Thanks , George (I am an...
  12. Replies
    3
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    469

    Liqui text 460

    Cable is approx.50' and we tried another able with the same result.
  13. Replies
    3
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    469

    Liqui-Tect 460

    Has anyone had problems with false tripping we have replaced the cabling and the control will not reset,looking for other troubleshooting suggestions.

    Thanks
  14. Replies
    11
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    980

    Propane volume

    I Have Buderus propane fired boiler which calls for 1/2" black for the supply and the plumber ran 1/2" copper tubing ,spec. Calls for min. 11"WC I have about 9.9"WC. Will the volume affect the...
  15. Replies
    18
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    1,362

    I work inhouse so it's not a service call it's a...

    I work inhouse so it's not a service call it's a pain in the ---
  16. Replies
    18
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    1,362

    Would Vaseline work?

    Would Vaseline work?
  17. Replies
    18
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    1,362

    Thanks

    Thanks
  18. Replies
    18
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    1,362

    Scotsman Ice machine

    Hi, now that I have installed the bin thermostat can I now remove the bin sensors which are a constant problem? machine model# CME656.

    Thanks
  19. Replies
    5
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    926

    Siemens Insight

    Sorry Knife Switch I didn't intend to sound abrupt the point appears to be a DO I am not sure if an LDO is the same type of point or not but so far that is all I see listed I will try and do some...
  20. Replies
    5
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    926

    Lite counter

    I know nothing about the point hence the question. one section of the building uses it and the other dose not.
  21. Replies
    8
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    652

    Landis&Gry tsat's

    That's correct but we have many stats and I was asking if there was a simple way to determine which stat might be stuck or defective.
  22. Replies
    8
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    652

    Landis&Gry tsat

    This system is basically a glorified time clock which is set for occuppied and unccoccupied times with a overrride switch that allows employee's to turn the unit on for a preset time if they come in...
  23. Replies
    8
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    652

    Landis&Gyr thermostats with override

    Hi, we have many Tsats with the override feature and somewhere in the circuit one of the switches must be stuck which is keeping RTU running all the time, is there an easy method to determine which...
  24. Replies
    4
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    743

    The only thing I know for sure is that each floor...

    The only thing I know for sure is that each floor has an assigned extension to be dialed that hits a device in the phone switch which through the BMS will turn on that zone of lighting and for some...
  25. Replies
    4
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    743

    Siemens Insight

    Hi, dose any know how the light counter point works? seems to be somehow tied into phone dial up that turn the lights on.

    Thanks
  26. Replies
    5
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    926

    Siemens Insight

    Our lighting control has a point called Lite Counter, dose anyone know what this point controls? The system has a dial up option where a person can dial the extension and a zone of lighting can be...
  27. Replies
    2
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    478

    Thanks for the reply it turns out that the power...

    Thanks for the reply it turns out that the power module was bad, what through me off was that other points in the panel were working as normal.

    GC
  28. Replies
    2
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    478

    Siemens Appogee

    Hi, we are having a problem with an exhaust fan point ,screen shows a black Icon "point on in" black but module is not on and fan will only run in the hand possition we have rebooted the system twice...
  29. Replies
    3
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    2,715

    Bypass's

    Thanks, that was a good explaination,my concern was with a cold start boiler,I thought there maybe a problem at that point, but it appears that the condensation forms when the return water is cool, I...
  30. Replies
    3
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    2,715

    Boiler or system bypass

    Hi, can someone explain how these bypass's work, what happens when there is no call for heat and the circulator is not running how is the minmum temp maintained? Why not use a low limit control to...
  31. Replies
    3
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    1,144

    cold start boilers

    Why then dose the boiler come with a Honeywell L8148 aquastat which is strickly a HI limit control and no mention of adding a low limit control? I am so confused.
  32. Replies
    3
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    1,144

    Cold start boilers

    I have Buders G124X propane fired boiler controlled by a Taco PC700-2 reset control, I am assuming that with a cold start there should be no concern about condensation on the heat exchanger or flue....
  33. Replies
    0
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    452

    boilr reset control

    Hi, I have a Buderus G124X propane fired boiler controlled with a Taco PC700-2 reset control, my concern is the minimum boiler temp seems to drop down to 116 degrees or so and I can not figure out...
  34. Replies
    3
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    470

    minimum boiler temp

    Hi, I have a Buderus G124X propane fired boiler controlled with a Taco PC700-2 reset control, my concern is the minimum boiler temp seems to drop down to 116 degrees or so and I can not figure out...
  35. Replies
    6
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    771

    CME656

    Thanks for the replies, I am leaning toward the bin stat because the machine was way oversized for the application when it was purchased so the stat may better limit the ice production.
  36. Replies
    6
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    771

    Scotsman Mdl. # CME656

    Hi, working on this machine and as far as I can tell the bin sensors are working as discribed in the manual but the machine continues to make ice, in the instructions it says that the CM3 should...
  37. Replies
    10
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    772

    Siemens BMS

    Hey Ken, sorry to take so long to get back, the problem was solved when I rebooted it this AM, thanks for the help.

    George
  38. Replies
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    772

    Siemens BMS

    Much more familiar with the mechanical end of the system but I will try rebooting in the AM.
  39. Replies
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    772

    Siemens BMS

    Ken, I will double check the TI-2 in the AM but I believe it was powered up and all 3 controllers in the system have failed cabinets which leads me to think there maybe a problem with the TI 2
  40. Replies
    10
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    772

    Siemens BMS

    Ken, I will double check the TI-2 in the AM but I believe it was powered up and all 3 controllers in the system have failed cabinets which leads me to think there maybe a problem with the TI 2
  41. Thread: Siemens BMS

    by geochurchi
    Replies
    3
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    1,204

    Siemens BMS

    Hi, when I logged into our system screen showed Cabinet fail, there are 3 cabinets in the system all are powered, all appear to be tranmitting/receiving,and not on a corp.network not sure the...
  42. Replies
    10
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    772

    Siemens BMS

    Hi Ken, What I know right now is cabinets are powered, and appear to be transmitting and receiving, not on the corp. network and I will have to wait until Mon. AM to find out the controller model is....
  43. Replies
    13
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    985

    Contactor

    Is the contactor welded closed?
  44. Replies
    10
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    772

    Siemens Insight

    Hey guy's, I just logged into our Siemens BMS and the screen shows Cabinet fail, any ideas?

    Thanks, Newbee
Results 1 to 44 of 47
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