Search:

Contractor hasn't purchased kit for conversion. Conversation was about what is required for conversion and if low NOx inserts are required to be installed. Kit for conversion from natural gas to...

Thanks for your response. Is the translation of "we don't know" accurate? The saying "trust but verify" is very applicable to the suggestions that have been made. While manufacturer tech reps,...

Converting Carrier 48XZ dual fuel package unit from propane to natural gas. I know that the three orifices must be changed to larger size, size #33 I think. Can anyone confirm size? Also, do low NOx...

Do most HVAC contractors have a combustion analyzer? Never had one mention that. I'd like to get this resolved and either make sure this unit is operating properly or put in a new unit before next...

Repairman said heat exchanger may not be under warranty?? I told repairman to advise cost of repair before replacing heat exchanger. Told him I would replace unit before paying for new heat...

As for warranty, I read that the heat exchanger on this unit, 48XZ, should last 15 to 20 years. I think it carries a warranty for 10 to 15 years. Don't know why they wouldn't warranty this one unless...

That was my first guess since he was the same person that repaired it the first time. He also said that the information in the service manual must be a misprint as he had checked with someone at the...

I own a Carrier 48XZ dual fuel package unit using propane for auxiliary heat Unit installed in October 2005. In December 2013 after smelling gas fumes in house the heat exchanger, backing plate and...

Thanks lkapigian! HVAC guy said he was going to install new baffle plate for vent motor. New vent motor assembly was installed with new heat exchanger in 2013. I thought about the NOX inserts on 2013...

Here we go again. Carrier 48XZ 5 ton dual fuel package unit running on propane. Unit installed in 2005. Heat exchanger sooted up in 2013 and had it replaced. Two weeks ago had that old familiar smell...

Defrost board failure occurs on a fairly regular basis, every couple of years on each unit. Manufacturer, type or size doesn't seem to
make a difference. Is this some sort of planned obsolescence...

When gas system operated could smell fuel odor in building. Called contractor to check out unit.
Carrier 48XZ dual fuel propane heat pump installed in 2005 is sooting up. Told this is due to running...

Compressor is supposed to have 10 year parts warranty. I'm a licensed mechanical and electrical contractor, but stick to electrical and controls primarily. Don't get involved in compressors,...

I'm supprised you can't hear it. It's a package unit I installed myself 3 years ago. Using propane as the alternate fuel when temp drops below 35. Noise is unusual and relatively loud, could easily...

Carrier dual fuel 5 ton unit with Copeland scroll compressor model number ZP50K3E-PFV-130 in service for 3 years. Compressor sound like a Ford Model A getting ready to throw a rod. Lot of internal...

Working on a Carrier 48XZ-060115311 dual fuel unit thats been in service for about two years. Everything works fine except the condenser fan runs continuously. Owner says started a couple of days...