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I'll make several suggestions that you can evaluate before you call for another diagnosis:
The whistling sound from the flue that only lasts a few seconds suggests that there is an electric flue damper left over from the previous furnace. Look for a device attached to the flue somewhere near the furnace. It might look like one of these. A proper flue damper ...
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Yes, it would be dangerous.
The power supply embedded inside your Honeywell controller is not designed or documented to provide power to arbitrary external devices, and the exposed terminals are meant only for the purpose documented.
The schematics in the manual are intended to provide a better understanding for the purpose of installing it in the intended ...
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In the US, and probably many other places, there are very strict rules with respect to handling of refrigerant. That effectively means that beyond self-contained units (window air conditioners) and, I believe, certain types of mini-split units where everything comes pre-charged with refrigerant and ready to connect (and even then, I don't know if it is legal ...
answered Jan 12 at 18:14
manassehkatz-Moving 2 Codidact
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2
There are a number of issues with doing this replacement yourself. First off, you'll have to purchase and have delivered the new unit. Since the compressor for the AC is on the roof, you'll need a crane to remove the old one and place the new one. I'm sure the condo association will have strict guide lines on who can do what on the roof and require insurance....
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Posting the answer to close this issue out. Furnace is still working (knock on wood... for now)
The issue ended up being a faulty pressure switch. I followed these steps, in order of ease to perform and rule out, and in order of cost/risk/ necessity consideration:
Cleaning flame sensor (did this before opening this post)
Checking the exhaust pipe using the ...
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The Air Conditioner
Upgrading an A/C is not a DIY job. The cost can be broken down to three components:
Buying the new equipment
work possibly suitable for DIY --- removing the old, disposing of it, moving the new into place, removing packaging, maybe the electricals if you've built up some skill and knowledge, cleaning up the site.
work not suitable for ...
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I went through this about 12 years ago. I selected a heat pump (yes I am in Michigan and it works most of the time) but used a gas furnace instead of the recommend electric heating elements for supplement heat. The additional cost was just a few hundred dollars at the time. This allows me to switch to emg heat (supplemental) which is gas when the cost of ...
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I found the manual here: https://jacksonsystems.com/wp-content/uploads/2020/04/R7284-Installation-Manual.pdf
Judging from the sample wiring diagrams and the troubleshooting instructions
for "Low voltage xx% low"
terminal 2 is C
terminal 3/T is R
terminal T is W
It's possible that the installer knew this, but also possible that they just ...
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