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Type: Posts; User: PaulDiglio

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  1. Thread: ASHRAE 15

    by PaulDiglio
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    0
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    636

    ASHRAE 15

    Does anyone know of a site where I can read ASHRAE 15 online?

    Thank you,

    Paul Diglio
  2. Replies
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    767

    Tracer Summit Morning Warmup

    I do not have much experience on the summit system. I am working on a building that needs to bring in more ventilation air for LEED EB certification.

    I worked with a TAB contractor to set the...
  3. Replies
    9
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    2,668

    UCM Access with Hyperterminal

    Can anyone explain how to access the UCM so that I can modify the VAV box flow coefficients? Baud rate and cable configuration?

    Is there any command reference guide or logon?

    Much appreciated,...
  4. Replies
    7
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    2,746

    Liebert Sitelink

    I am an energy engineer and recently specified a Liebert Sitelink Modbus controller be installed in a data center.

    My intent was to allow the Continuum BAS to start various Liebert units only if...
  5. Replies
    6
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    1,179

    I want to thank everyone for their help. A few...

    I want to thank everyone for their help. A few people sent me the operators guide in PDF and I think that will help me a great deal. I'm sure that I will need to pose specific questions when I go...
  6. Replies
    6
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    1,179

    Thanks for the responses. I am using INET 2000...

    Thanks for the responses. I am using INET 2000 with 7700 DCUs. Firmware Date 6/23/00. I have a copy of RdINET2C.exe that I use to read the SAV filles.

    I am not trying to program the system, I...
  7. Replies
    6
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    1,179

    CSI I/Net Programming Manual

    Does anyone have the above programming manual in PDF? I am working on a system that is about 17 years old with DCU's.

    Thank you,

    Paul
  8. Replies
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    4,373

    I also have had great results with an ultrasonic...

    I also have had great results with an ultrasonic leak detector. I performed a contract many years ago at the Sub Base in Groton, CT where I had to replace R502 and R12 with R404A and R134 in all the...
  9. Thread: Metapage

    by PaulDiglio
    Replies
    3
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    740

    Yes Reaper, it is. Did you work on the...

    Yes Reaper, it is. Did you work on the installation?
  10. Thread: Metapage

    by PaulDiglio
    Replies
    3
    Views
    740

    Metapage

    I am working on an old metasys v 9.01 with metapage software. The HD crashed and I was able to copy the metasys files over to a new drive and it works fine, except metapage will not work.

    This...
  11. Replies
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    8,644

    Broad Chiller

    I would be happy to specify a machine produced in the USA, but I cannot find a manufacturer of a cogen enabled absorption chiller-heater made in our country.

    Broad has a good idea, their machine...
  12. Replies
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    1,102

    Buensod 6LDD 23 Dual Duct Mixing Box

    Does anyone have a cut sheet for a dual duct box listed above?

    Thanks,

    Paul
  13. Replies
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    598

    Trane SWUA Damper Linkage

    A question about the outside air and return air damper linkage on circ 1984 Trane SWUA air handlers.

    These linkages are made from channel with a shoulder screw to attach the linkage to the crank...
  14. Replies
    9
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    1,563

    Siemens Apogee

    I am looking for either a programming manual or a reference manual for the Siemens Apogee system.

    I do not need to program the system but read through a printout of the program and provide a...
  15. Thread: Andover

    by PaulDiglio
    Replies
    7
    Views
    798

    ISA

    International Systems of America has a good stock of old Andover parts and can repair AC256 boards.

    You can Google for their e-mail and phone number.

    I also have some parts but I do not know if...
  16. Replies
    5
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    666

    Siemes Program Timestamp

    The first line was timestamped 8:39:16 am.

    The second line was timestamped 8:40:01 am.

    I take it to mean that the fan was started because of an emergency condition then the alarm came in a...
  17. Replies
    5
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    666

    Siemens Program

    Can anyone tell me more about the following activity log alarms?

    AC01SF Alarm Received from SCU1. Value: ON", Status: -N-," Cmd Pri:EMER

    AC01SF Alarm Received from SCU1. Value: ON", Status:...
  18. Replies
    8
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    942

    Frozen OA Dampers

    Looking over a project where the mechanic claims the OA dampers froze open on a 0 degree day.

    Dampers controlled by a pneumatic actuator with 55# thrust. Square footage of dampers about 25 square...
  19. Replies
    3
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    1,158

    Grease Outside Air Dampers

    I heard a technician from Maine claim that he greases the outside air dampers on his air handling units with low temperature grease.

    I have been in thousands of AHU's and have never seen a damper...
  20. Replies
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    549

    Webster Temp-A-Trim

    Any feedback on Websters Temp-A-Trim oxygen trim system would be appreciated.

    Thank you,

    Paul
  21. Replies
    3
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    613

    Honeywell ControlLinks

    Would appreciate any feedback from those of you who have installed or serviced the linkless ControlLinks system.

    Power Flame applications of special interest.

    Thank you,

    Paul
  22. Replies
    6
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    893

    Cooling Tower Water Treatment Estimate

    Just looking for ball-park number for estimate I am preparing for potential project.

    Local companies do not want to provide estimate because that would lock them out of the bid process later, due...
  23. Replies
    6
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    893

    Cooling Tower Water Treatment

    Does anyone have any idea how much a treatment company charges to check condenser water monthly and provide inhibitor, algaecide, biocide, ect. for a year's service agreement on a 300 ton machine and...
  24. Replies
    5
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    1,004

    Infinity Restore using Hyper Terminal

    On some systems I needed to set delays on character and line in the Hyper Terminal menu. It has been awhile.

    I also set echo on, so I could see errors as they occur.

    If you start getting many...
  25. CO2 Demand Based Ventilation

    We are using demand based ventilation for the school systems here in Hartford, CT to comply with ASRAE cycle 2. Our code for makeup (outside) air is between 15 and 20CFM per person depending on...
  26. Replies
    8
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    1,685

    Multistack MS80T Chiller

    Any feedback on this model of water colled centrifugal chiller?

    Thanks,

    Paul Diglio
  27. Replies
    20
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    2,130

    Sounds like you have a single aquastat that...

    Sounds like you have a single aquastat that cycles between the Hi and Lo setting on the control. You can save a significant amount of energy by retrofitting to a triple aquastat, which has three...
  28. Replies
    20
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    3,416

    If I understand your post correctly, the relay...

    If I understand your post correctly, the relay for the IDM chatters when the thermostat calls for heat yet does not chatter when you jump R-W.

    If that is the case, try jumping R-W at the...
  29. Replies
    6
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    1,177

    Formula to calculate ventilation requirement of...

    Formula to calculate ventilation requirement of mechanical room with equipment containing refrigerant. IMC 1103 defines PPM alarm threshold of different refrigerants.

    2003 International...
  30. Replies
    6
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    1,177

    There is some confusion regarding recovery...

    There is some confusion regarding recovery equipment. Many years ago, in the mid-80's when I tested for my Universal CFC license, I seem to remember that the technician was required to have...
  31. Replies
    6
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    3,248

    Do you have the make and model of the existing...

    Do you have the make and model of the existing flame programmer? I might be able to find a cross-reference.
  32. Replies
    339
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    45,938

    I am from Connecticut. Been in the trade 30...

    I am from Connecticut. Been in the trade 30 years. Hold 2 state contractors licenses.

    I have specialized in large centrifugal-absorption chiller plants, low pressure steam plants and DDC...
  33. There is some information on the Trane Commercial...

    There is some information on the Trane Commercial site. Go to literature search and type varitrane under keyword.

    There is one document containing calibration information. Trane recommends...
  34. Replies
    3
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    1,131

    I do not know what version of Apogee you are...

    I do not know what version of Apogee you are referring to, but Siemens advertises their new Apogees as native BacNet, so I do not think software would be required.

    From what I understand, a native...
  35. Replies
    23
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    2,399

    I work for a design firm and we recently...

    I work for a design firm and we recently specified McQuay unit ventilators for a high school with BacNet compliant controllers. Our specifications included that all points on the Micro-Tech II...
  36. Replies
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    24,452

    You are right, I used the wrong terminology, but...

    You are right, I used the wrong terminology, but the rest of my post holds true.
  37. Replies
    5
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    927

    Performance contracting is tricky. I have had...

    Performance contracting is tricky. I have had limited success with a shared saving approach on large, DDC controlled projects.

    Typically, I would charge 30-50% less for the work with a contract...
  38. Replies
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    24,452

    A circuit setter is basically a calibrated valve...

    A circuit setter is basically a calibrated valve with a known Cv (Velocity Constant) at each setting. Some have a scale from 40-100%. Large balancing valves have a rising stem from 0-100%.

    To...
  39. Thread: Enthalpy

    by PaulDiglio
    Replies
    12
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    1,557

    We typically use less than 26 BTU/Lb outside air...

    We typically use less than 26 BTU/Lb outside air enthalpy for free cooling here in the North east.
  40. Replies
    3
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    998

    McQuay UV Micro-Tech II

    Having a problem with McQuay UV controls. Theses unit ventilators were installed last summer in a school with Bacnet interface to an Alerton system. The units are equipped with a hot water coil, OA...
  41. Replies
    3
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    896

    Trane Varitrac and Tracer Interface

    I was called in to provide a solution concerning a 40 ton rooftop unit. This unit was sized for a commercial building that could have up to 130 people in the conditioned area. Actual occupancy can...
  42. Replies
    18
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    8,644

    Before I got involved with this project, they had...

    Before I got involved with this project, they had the steamfitters crawl inside and weld in a new heat exchanger because Broad was having problems with the style that came installed in the chiller. ...
  43. Replies
    18
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    8,644

    Broad Chiller-Heater

    Does anyone have experience with Broad chiller-heaters? Made in China. Tech support is almost non-existent.

    I am commissioning-inspecting a system that has a 460 ton lithium bromide chiller...
  44. Replies
    3
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    690

    McQuay AGS 420B Noise

    Our design group specified the above, 3 compressor, outdoor packaged chiller for a college application.

    Stage 2 compressor is significantly louder than the other 2 stages. Operating personnel can...
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