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  1. thanks for the information. Greatly appreciated....

    thanks for the information. Greatly appreciated.

    cheers!
  2. Replies
    2
    Views
    424

    Hi, Correct me if my interpretation is wrong....

    Hi,

    Correct me if my interpretation is wrong. You have two grills for vents? each vent is 300CFM? therefore you need 600CFM fan, just add 5% of the capacity for frinction loss.
    Or use frequency...
  3. Sub-Cooling Air Cooled Condensing Units Using Condensate Water

    Hi All,

    Good day! I have VRF multi-split air-conditinoing system, 36HP with 12 (3 HP) connected FCU's.
    Philippines is a tropical country, and I'm thinking to collect all FCU condensate to serve...
  4. Replies
    4
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    985

    What type of meter output you would like? 4~20mA...

    What type of meter output you would like? 4~20mA or pulse?
  5. Replies
    10
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    3,613

    Use Ducted FCU, measure %RH coming out. If beyond...

    Use Ducted FCU, measure %RH coming out. If beyond control, say %60+. Process air through pre-cooling, so that from %60+ it would reduce to %50 or less.

    regards,
    moriel
  6. Thread: LG VRF USERS

    by morzy
    Replies
    0
    Views
    631

    LG VRF USERS

    Hi All,

    We are planning to purchase LG VRF system capacity of 4x36HP accu with matching FCU.

    Any bad experience for LG VRF System?

    regards,
    Morzy
  7. Replies
    23
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    3,618

    Intruments sometimes are unpredictable. If it's...

    Intruments sometimes are unpredictable. If it's deffective you need to replace. You have to verify 1st if it really trip according to setting or not before you replace bad low pressure switch.
  8. Replies
    26
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    1,588

    is your thermostats working? Do trial and error....

    is your thermostats working? Do trial and error. You may adjust manually or automatically.

    Air change is critical. You should establish how much air change you required.
  9. Replies
    15
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    1,273

    Yes! Nice Instrument.

    Yes! Nice Instrument.
  10. Thread: VRF MultiSplit

    by morzy
    Replies
    0
    Views
    353

    VRF MultiSplit

    Dear All,

    I dont fully understand VRF multi split system. Does R410 circulated each FCU even Off? If not this means there is a valve on/off? Am I right?

    :)
  11. Thread: Flue gas sensor

    by morzy
    Replies
    14
    Views
    883

    Use FF; * Siemens LFE10 Flame controller input...

    Use FF;
    * Siemens LFE10 Flame controller input with UV Flame sensor (QRA)
    * Siemens Sipart DR21 for Temp control of your boiler. I/O are VAV, infra Temp sensor and gas cut off solenoid.

    Cheers!...
  12. Replies
    15
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    1,273

    You can use Vector Thermostat that accept 4-20ma...

    You can use Vector Thermostat that accept 4-20ma input & ACI hi/low pressure transmitter.

    regards,
    morzy
  13. Replies
    6
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    1,027

    Hi Guys need your expertise according to your...

    Hi Guys need your expertise according to your ranking. Im making a survey for airconditioner quality and durability

    LG
    Samsung
    Carrier/Toshiba
    Mitsubishi
    Hitachi
    Trane
    Daiken
  14. Replies
    6
    Views
    1,027

    Can you help me rank according to durability...

    Can you help me rank according to durability based on your experiences?
  15. Replies
    6
    Views
    1,027

    What A/C Brand is Durable

    Hi Guys,

    Which A/C Brand is durable to use as VRF system

    1. Samsung
    2. LG
    3. Carrier
    4. Hitachi
    5. Trane
    6. Daiken
  16. Replies
    5
    Views
    931

    Yes.

    Yes.
  17. Replies
    5
    Views
    931

    Airconditioner Specification (defective...

    Airconditioner Specification (defective compressor motor)
    Capacity: 2 TR
    Brand : Carrier
    Type: Ceiling Mounted
    Lenght of pipe : Approx 10 m.
    Compressor motor brand : copeland
    No. of year : 6...
  18. Replies
    5
    Views
    931

    2 TR compressor motor to 3 TR

    What is the disadvantages and advantages if I will to replace 2 Ton R. compressor motor to 3 Ton R. compressor motor? Any body tries? Please sent me a list of the advantages and disadvantages.
    ...
  19. Thread: insulation

    by morzy
    Replies
    5
    Views
    571

    insulation

    Hi!

    Good day to all. Im just wondering if what is the right way of isulating the refrigerant pipings. Im talking about a 7.5 TR a/C which insulation is only at low side.

    Should low side piping...
  20. Replies
    1
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    417

    manual d and manual j

    Hi,

    I searched all bookstore here in Phil but no one bookstore have a manual-j and manual-d book.

    Any1 can help me download it through and internet as pdf file?

    Rgrds,
    MorZy
  21. Replies
    19
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    970

    What would you reccomend? answer :replaced...

    What would you reccomend?
    answer :replaced compressor motor/ filter dryer and do proper procedure for the reprocessing of the a/c system.

    Does Brand Matter?
    answer: Brand doesnt matter as long...
  22. Thread: Air Handler Hums

    by morzy
    Replies
    20
    Views
    1,945

    Hi dear! You crossed over heheehhe. Will 1st...

    Hi dear!
    You crossed over heheehhe. Will 1st check the model of your airhandler (nameplate) then determine the size or capacity (BTU/HR or TR). Then you check the Condenser Capacity too. If both are...
  23. Replies
    10
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    2,682

    consult local contractor's for rule of thumb...

    consult local contractor's for rule of thumb sizing based on your country practices.

    Here in Philippines we are using 16-20 square meter per ton (for comfort cooling, like building offices). Max...
  24. Thread: enthalpy chart

    by morzy
    Replies
    4
    Views
    1,629

    no probs.. gud luck!!

    no probs..

    gud luck!!
  25. Replies
    10
    Views
    10,349

    Short cycling is often cause of oversized a/c....

    Short cycling is often cause of oversized a/c. Short cycling increase your electricity bill.
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