Go Back   DIY Chatroom Home Improvement Forum > Home Improvement > HVAC

CLICK HERE AND JOIN OUR COMMUNITY TODAY...IT'S FREE!

Reply
 
Thread Tools Search this Thread Display Modes
Old 12-12-2009, 04:38 AM   #1
Newbie
 
Join Date: Dec 2009
Posts: 2
Rewards Points: 10
Default

reznor heater blowing cold


i have a reznor tcore3 in my hot yoga studio. installed 2002, been blazing since then.

lately, when it gets to around 90 degrees, it gets stuck in the cooling cycle. there's a call for heater, the burner lights, burns for about a minute, then turns off and the blower turns on. it runs for a while and starts all over again.

in the last few weeks, i've replaced the relay and the high-limit switch (which we thought might be getting stuck on) and improved the air intake.

this heater is the core of my business, help!

sarayoga1 is offline   Reply With Quote
Old 12-12-2009, 08:40 AM   #2
Member
 
Join Date: Oct 2009
Location: Nebraska
Posts: 2,362
Rewards Points: 1,000
Default

reznor heater blowing cold


My guess would have also been the limit. Not to sound too much like your dad or anything but if this is the core of your business why have you not called a repair man for weeks?

Marty S. is offline   Reply With Quote
Old 12-12-2009, 11:53 AM   #3
Newbie
 
Join Date: Dec 2009
Posts: 2
Rewards Points: 10
Default

reznor heater blowing cold


marty,

thanks for your fatherly concern. i have had my hvac guy in 4 times in the last 3 weeks and he is completely confounded.

in my post, i said I replaced the limit switch already and the pressure switch and flame sensor. we also cleaned the burner.

when it codes, it is coding for the pressure sensor stuck open and then later in the process (10 min?) of the cooling cycle for the high limit switch. the weird part is that the limit doesn't cool in a few minutes like usual and kick the burner back on, it keeps blowing cold and cycling the burner off after 6o seconds or so.

Last edited by sarayoga1; 12-13-2009 at 06:33 AM. Reason: updating repair information
sarayoga1 is offline   Reply With Quote
Reply

Tags
blower, cold air, heater, problem, reznor


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
A/C not blowing cold air... rnorred13 HVAC 9 04-03-2014 03:03 AM
HEIL/ICP gas/electric self-contained unit -- blowing cold air, won't shut off AboveTheBULL HVAC 3 06-28-2010 06:23 AM
Help! Furnace blowing cold air. Thanks. crosely HVAC 0 11-30-2009 10:17 AM
Furnace blowing cold air. rileyc HVAC 4 02-19-2009 02:18 PM
Blowing cold air TODD_70 HVAC 1 11-24-2008 07:33 AM




Top of Page | View New Posts

Copyright © 2003-2014 Escalate Media. All Rights Reserved.