Search:

Type: Posts; User: stkepo

Search: Search took 0.01 seconds.

  1. Replies
    4
    Views
    4,445

    well it sounds to me like you may be working on a...

    well it sounds to me like you may be working on a chp20 lennox php? if so there are 2 pressure switches in the low voltage.1 is for defrost termination and the other is standard pressure switch.there...
  2. Thread: lennox

    by stkepo
    Replies
    9
    Views
    1,391

    by looking at the model # on a/h is that a 3.5...

    by looking at the model # on a/h is that a 3.5 ton?
    if so the txv your using may not match outdoor unit.
    56j19...1 to 3 ton
    56j20....3.5 to 5 ton

    could be issue with superheat
    also check cfm!
  3. Thread: lennox

    by stkepo
    Replies
    9
    Views
    1,391

    lennox is charged by approach, is indoor temp...

    lennox is charged by approach, is indoor temp high? check charge by approach method if indoor temp is high i have noticed high superheat...lennox sometimes gives you an subcooling chart on there...
  4. Thread: cond drain

    by stkepo
    Replies
    5
    Views
    720

    if it is a downflow airhandler the coil on the...

    if it is a downflow airhandler the coil on the cb29 and cb 30 models have to be flipped upside down....
    when this is done lennox provides to metal drip shields that have to be installed on the...
  5. Replies
    70
    Views
    5,503

    well mr dalton all facts you stated are very true...

    well mr dalton all facts you stated are very true if that deep of detail was needed..

    not sure what was meant by the post, but fact still remains
    99% of the time there is a reason for the...
  6. Replies
    70
    Views
    5,503

    look guys we all know that it's highly unusual...

    look guys we all know that it's highly unusual for a pressure switch to trip for no reason.....but we also know that it's a mechanical device and can go bad...
    in my 15 years in hvac i may have...
  7. Thread: ???? on XL 1200

    by stkepo
    Replies
    4
    Views
    673

    yes temp prob good and secure i can't figure it...

    yes temp prob good and secure
    i can't figure it out super heat will hold at about 16 degrees for about a minute and then will drop to 2 degrees on a fixed orfice. blower speed steady and suction...
  8. Thread: ???? on XL 1200

    by stkepo
    Replies
    4
    Views
    673

    what would cause an unstable super heat on a...

    what would cause an unstable super heat on a fixed orfice coil...blower running fine .evap coil clean
    suction pressure steady at 80 psi but superheat changing from 5 to 15 degrees .head pressure...
  9. Replies
    12
    Views
    879

    thanks for the link it's a big help...... ...

    thanks for the link it's a big help......

    thank all for the knowledge
    14 years and i'm still learning
    guess i always will

    thanks again!!!
  10. Replies
    12
    Views
    879

    i've read the little book that comes with them...

    i've read the little book that comes with them but all it tells me is about hp not rpms
    we use the first call motors from lennox

    thanks i will try to fine more info from lennox
  11. Replies
    12
    Views
    879

    ok i think i have it... so changing the speed...

    ok i think i have it...
    so changing the speed taps on a multi hp motor only changes hp and not rpm....

    i understand all about the rpm and hp was just unsure about if the rpms were changed by the...
  12. Replies
    70
    Views
    5,503

    head was around 285 suction was 80 ambient was...

    head was around 285 suction was 80
    ambient was 94 cleaned coil head went down to 240 and suction dropped to 75 and has been cooling fine with no pressure trip.....also was a 5 ton lennox gcs rooftop
  13. Replies
    70
    Views
    5,503

    i ran into the same problem about a week ago and...

    i ran into the same problem about a week ago and i did replace the motor ....and i was back 2 days later...

    even though the condensing coil appeared clean it was not..
    i cleaned coil and has...
  14. Replies
    12
    Views
    879

    on a universal motor (condenser motor) it can...

    on a universal motor (condenser motor)
    it can be used for 1/6 up to 1/3 hp by changing speeds..
    and caps the motors are rated at 1075 rpm with 2 speeds
    if lower speed is used for 1/6 hp does it...
Results 1 to 14 of 20
Comfortech Show Promo Image

Related Forums

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