Search Results - HVAC-Talk: Heating, Air & Refrigeration Discussion

Search:

Type: Posts; User: jjg

Search: Search took 0.00 seconds.

  1. Replies
    9
    Views
    594

    TO ALL: The tests done to the system in...

    TO ALL:

    The tests done to the system in question.

    I am not an HVAC expert, but I am a retired engineer. I watched the testing carefully. The only tests I saw done were refigerant pressure...
  2. Replies
    9
    Views
    594

    Lennox Installation Questions

    My system: Heat Pump XP21-036-230-03
    Furnace G61MPV-36B-071-12
    A Coil C33-36B-2F-6
    Aprilaire 5000
    Harmony lll

    When...
  3. The cup is to catch the condensate that drips...

    The cup is to catch the condensate that drips from the improperly glued joint. Do you know how to work some glue into the joint? It will be a ***** to take apart since it is so close to the furnace....
  4. Help Needed With Lennox Signature Series System and Harmony lll

    I am building a winter home in South Carolina. I am from CT so know nothing about southern HVAC systems.

    Problems:

    1: I am a retired engineer so I can read the manuals and get an idea about my...
  5. Replies
    12
    Views
    1,091

    [QUOTE=tinknocker service tech;12511201]it also...

    [QUOTE=tinknocker service tech;12511201]it also should state in your manual that each ell is eqal to 10ft so with three ells you have about 30ft plus the 25 straight runs quals 55 or so

    ...
  6. Replies
    8
    Views
    645

    skipedover: I am not trying to become an instant...

    skipedover: I am not trying to become an instant expeert, I am just trying to get a good feeling about this job. So far I'm a bit nervous. I have seen nothing that indicates any type of load...
  7. Replies
    12
    Views
    1,091

    Pipe length: My Direct vent system has two 25'...

    Pipe length: My Direct vent system has two 25' pipes with three 90 deg elbows in each. The furnace installation manual 506506-01 (1/11) page 70 "Vent Pipe Sizing Worksheet" states "In Direct Vent...
  8. Replies
    8
    Views
    645

    Proper Return

    Is there any simple rules for a proper return? Should the size (cfm) of the return equal the sum (cfm) of sizes of supply ducts for a particular zone? Or are there other rules?

    Thanks.
  9. Replies
    12
    Views
    1,091

    Intake and Exhaust Piping Oversized?

    I am having a Lennox G61MPV-36B-071 furnace installed using the direct vent mode (two pipes). The contractor used 3" pipes with a "T" outside termination (as shown in figure 35 of the installation...
  10. Replies
    8
    Views
    645

    Zoned System Returns

    How do you control return airflow in a zoned system? If there are proper returns in all zones do they take care of themselves as zone dampers open and close?

    Thanks for your help.
  11. Replies
    16
    Views
    1,062

    skippedover: The furnace has sealed combustion,...

    skippedover: The furnace has sealed combustion, no problem there. If there was a load anaylsis done I haven't seen it, I doubt it was done.

    George2: This is a new house presently under...
  12. Replies
    16
    Views
    1,062

    Thank you for the prompt replies. The...

    Thank you for the prompt replies.

    The contractor was worried I would be drawing air from the basement when the first floor zones were on. This is a new construction, very tight house. I assume the...
  13. Replies
    16
    Views
    1,062

    Zone Return, Where?

    Equipment list:

    XP21-036-230 Heat Pump
    G61MPV-36-071 Gas Furnace
    Harmony III Zone System

    I have a 1800 Sq/ft one...
  14. Geothermal Reliable Enough For a Part Time House

    I am planning a winter house in SC. It will be occupied off and on about six months a year. I am considering a pump and dump system from a well to a pond. Are these systems reliable enough to be left...
  15. Replies
    5
    Views
    1,120

    tlb Than You Very Much For the Help

    none
  16. Replies
    5
    Views
    1,120

    tlb thanks for the reply, this has been very...

    tlb thanks for the reply, this has been very helpful.

    Yes, it is an open loop system. I assume stage 1 solenoid is wired between Y1 and C1, and stage 2 solenoid between Y2 and C1. Is this correct?...
  17. Replies
    5
    Views
    1,120

    Two Soleniod Valves and Flow Regulators

    Bosch CE035. Is there any way to hookup two solenoid valves and flow regulators to the output of a Bosch CE035? One for Stage 1 and one for Stage 2. My dealer wants to have one solenoid and flow...
  18. Replies
    9
    Views
    1,703

    Reply to chuckrj

    The quote is for a Bosch pump and dump including ducting etc. I have to supply the well, pump etc. It is an 1800 sqft house in SC.
  19. Replies
    9
    Views
    1,703

    Dealer Not on Bosch Recommended List

    My dealer is not on the Bosch list of recommended dealers, should I be nervous?
  20. Replies
    5
    Views
    1,101

    The Pressure Regulating valves seem to be...

    The Pressure Regulating valves seem to be available but not required according to the install manual page 12. What do they do? Do they simply adjust for the difference in flow required for heat vs...
  21. Replies
    5
    Views
    1,101

    Bosch Pressure Regulating Valves

    Thank you very much for the replies.

    Bosch has a set of two pressure regulating valves (heat and cool) (page 12 of the instalaton manual) that "respond to refrigerant pressure". Are these smart...
  22. Replies
    5
    Views
    1,101

    Bosch Pressure Regulating Valve

    Having a Bosch CEO35 3 ton pump and dump system installed in my 1800 sqft house in SC. The HVAC dealer says I must have a well that delivers 9 gmp to the heat pump at all times it is running. He is...
Results 1 to 22 of 22
Comfortech Show Promo Image

Related Forums

Plumbing Talks | Contractor Magazine
Forums | Electrical Construction & Maintenance (EC&M) Magazine
Comfortech365 Virtual Event