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Type: Posts; User: dlove

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  1. Replies
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    205

    It depends, do you plan on running this system...

    It depends, do you plan on running this system 24/7 ? if not keep it simple Gas pack with economizer. min outside air and you will pressurize.

    if you don't have gas, Straight air air with...
  2. hit the coil with a temp gun top middle bottom. ...

    hit the coil with a temp gun top middle bottom.

    But it would help you to know the size, fins per inch, inlet pressure/outlet. Airflow, RAT,

    also is the coil CLEAN!...
  3. Replies
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    353

    i take the doors off and pull the return end...

    i take the doors off and pull the return end panel off and use the doors to cover the return opening.
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    407

    before offering your opinion understand what your...

    before offering your opinion understand what your looking at. Ask to see the mech plans. if they don't have them find someone who understands this design.

    also do some research.. the system may be...
  5. Replies
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    2,748

    first place i look when i get to my room is ...

    first place i look when i get to my room is check the filters...when i traveled i found more clogged filters than i can count...I would take them to the front desk.
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    830

    two way valves off a primary loop with a bypass...

    two way valves off a primary loop with a bypass to control water temp.

    If the pressure drops that much when the pumps backs off to open the PRV your not maintaining proper pressures. I would...
  7. Replies
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    830

    What are your pressures ? and what are your...

    What are your pressures ? and what are your relief pressures set at. What is your PRV set at. Do you see a level in the sight-glass on your expansion tank? What is your city water pressure ?

    the...
  8. Replies
    2
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    513

    i use a two plastic containers i get from Polaris...

    i use a two plastic containers i get from Polaris Labs, http://polarislabs.com/what-you-test/complete-test-list/?lang=en
  9. Replies
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    259

    check to see you have min outside air open.

    check to see you have min outside air open.
  10. Replies
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    374

    Angle brackets bolted the rafters, rod to...

    Angle brackets bolted the rafters, rod to kindorf, hang the unit first, hang the drain pan from the kindorf. This way if someone needs to get to the unit they can move the drain pan easy. Make sure...
  11. Replies
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    676

    model # Air only or heat pump? Sometimes its...

    model # Air only or heat pump?

    Sometimes its best to reclaim, check for leaks and recharge with virgin 22. checking super heat and sub-cooling.

    plus its 25+ years old. May not be worth it.
  12. Thread: Carrier VVT

    by dlove
    Replies
    13
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    983

    if you turn the rotary to F what does it say on...

    if you turn the rotary to F what does it say on #2 ? if it says off , the slaves Setback/comfort program is disabled and it will follow another program from another device. if it says ON the slave...
  13. Thread: Carrier VVT

    by dlove
    Replies
    13
    Views
    983

    is the monitor stat set up correctly ? The...

    is the monitor stat set up correctly ? The monitor stat is what sets the times for setback-Occ/unocc.
  14. Replies
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    1,134

    A long time ago, i started to do installs, only...

    A long time ago, i started to do installs, only installs on weekends and days off. soon i was doing two a month. expect no sleep, long days. after a year i picked up a small office building. One man,...
  15. Replies
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    1,012

    that's what i think, you really need to do a heat...

    that's what i think, you really need to do a heat calculation. You need to figure in your exhaust hoods, makeup air, coolers etc. Mini-splits are not designed to handle the load you will have. Don't...
  16. Replies
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    1,012

    when you say How many? is this going to be...

    when you say How many? is this going to be another store and what will you be selling.

    not enough info
  17. Replies
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    475

    I would List every piece of equipment you are...

    I would List every piece of equipment you are servicing. Understand the manufactures recommend PM. The min is 1 summer start-up Full PM. Mid-season inspection, and winter start-up. Of course this...
  18. Thread: Air filters

    by dlove
    Replies
    8
    Views
    901

    AIR IS EVERYTHING the more efficient a filter is...

    AIR IS EVERYTHING the more efficient a filter is the higher the static will be, as its gets dirty static rises restricting air movement. before spending $ on expensive filters understand how it...
  19. add reheat to existing system, when RH climbs,...

    add reheat to existing system, when RH climbs, system comes on and reheat engages. you can dry the air and maintain temp, you need to get a stat for humidity control.:.02:
  20. Replies
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    433

    There is a career as a maintenance engineer. I...

    There is a career as a maintenance engineer. I say continue to gain knowledge and start looking for work in larger buildings, where you can learn about controls, chillers, pumps, etc...finding good...
  21. it really depends on the tenant you are looking...

    it really depends on the tenant you are looking for or you will attract. is this a class A-B- or C building?

    Might want to look up some standards like from BOMA..

    but any where from 30 btus...
  22. Thread: Movincool

    by dlove
    Replies
    2
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    291

    pretty sure its 10ft max, also for the return.

    pretty sure its 10ft max, also for the return.
  23. Replies
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    1,847

    what makes you think they under bid. Was the bid...

    what makes you think they under bid. Was the bid apples to apples? what margin does your company expect. I will venture to say many facility managers have no clue what's needed for there HVAC. so...
  24. isolate, drain and make repairs ...FLUSH!....and...

    isolate, drain and make repairs ...FLUSH!....and refill + chemicals...and your ok..no big deal
  25. Replies
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    1,770

    if one filter is good, isn't two better! :whistle:

    if one filter is good, isn't two better! :whistle:
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