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  1. Quick update on this thread... Had the...

    Quick update on this thread...

    Had the iComfort thermostat installed today. Very nice setup. It also looks as if the staging/modulating is different as opposed to using just a standard 2-stage...
  2. New House Build - HVAC Questions (HRV / Zones / Etc.)

    Hi all,

    I'm building a new home and have been doing lots of research. I still have a few sticking questions which I am hoping some of the pros here can help answer. The HVAC guys I have had out...
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    Honeywell Networked Zoning + Return Ducts

    Hi All,

    Looking at installing a Honeywell Networked Zoning system (two zones, basement + rest of house).

    Contractor made no mention of installing dampers on the return air ducts. Does this...
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    Tech thinks it is the condensate trap. The unit...

    Tech thinks it is the condensate trap. The unit is mounted horizontally with the condensate trap installed on the left side (down). Coming out in a few weeks to check.
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    66,000 BTU. Blower is on high at 950cfm as per...

    66,000 BTU. Blower is on high at 950cfm as per the installation manual, if I remember correctly (pretty sure).
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    The lower case "h" means it is in variable mode. ...

    The lower case "h" means it is in variable mode. So h100 should mean that the burner is performing at 100%.
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    While on high fire it did seem as though the air...

    While on high fire it did seem as though the air wasn't all that hot being ejected from the registers. The control board was flashing "h100 - A950 - E225".

    Is it possible that even though the...
  8. Good man. Thank you for your help.

    Good man. Thank you for your help.
  9. Replies
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    Lennox SLP98V E225 Error Code (Intermittent)

    Hi All,

    In preparing for the winter, I'm noticing that my Lennox SLP98V seems to be throwing a E225 error code once in a while. Most recently I noticed it when the furnace had ramped up to 100%...
  10. Sounds to me like you're saying keeping the CPH...

    Sounds to me like you're saying keeping the CPH at 9 or higher will have no effect on efficiency... ?
  11. Any idea why Honeywell recommends 9 for electric?

    Any idea why Honeywell recommends 9 for electric?
  12. Electric Baseboard Heating CPH Cycle Rate with Relay

    Hi All,

    Looking for some advice. I've replaced a bunch of baseboard heating thermostats with the Aube T209 (http://www.aubetech.com/products/produitsDetails.php?noProduit=161&noLangue=2) which...
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    Keeprite nnbu100ch01 - can anyone identify?

    Hi all. My home has a Keeprite furnace, model nnbu100ch01 serial number l935011470.

    I can't seem to find any information on it. Can anyone identify the model and maybe provide the efficiency...
  14. From my research the comfortsense 5000 setup in...

    From my research the comfortsense 5000 setup in 2-stage heat mode will allow full modulating capabilities.

    Would love to hear from the pros here as well if they know otherwise.
  15. Dealer did install the proper thermostat...

    Dealer did install the proper thermostat (comfortsense 5000) he just didn't run enough wiring to allow it to be setup as a two stage thermostat which is what is required for the slp98v to run in...
  16. I guess I should have been more clear. This...

    I guess I should have been more clear. This furnace was installed for my elderly parents after their 20 year old unit died. This happened in March. I have only been able to visit now and noticed...
  17. Correct When the 1st stage heat is...

    Correct



    When the 1st stage heat is called, the SLP98V will start at a variable rate anywhere from 35% to 100% based on an algorithm. When 2nd stage heat is called for, it will bump 10% if...
  18. I was able to figure it out. He set it up as a...

    I was able to figure it out. He set it up as a single stage thermostat. The thermostat is a Lennox ComfortSense 5000 (which looks like it is just a re-branded Honeywell TH8320U.

    I'm pretty...
  19. Proper Thermostat Setup w/ Lennox SLP98V and Trane XR11

    Hi all,

    In the winter I had a Lennox SLP98V installed in my home. I already have a Trane XR11 A/C unit for the summers.

    My question is this: The thermostat installed is Lennox branded, but...
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