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Sure we did a start up and commissioning report.

I can’t remember a HVAC system recall!

Because people want
Cheep
Cheaper
Cheapest
! ! !

What has the installing contractor said?

+ several others.

Keeps me response the same!

Basements below grade have a different heat loss. You’ll require heat while cooling upstairs.
Get a separate system for the basement

We don’t know the condition of the buss bars where they connect to the lugs. The lugs weren’t tightened, the buss bars are compromised so .......replace it all !

150 Amps tripping a 200 amp breaker. Less then a year old?
I’d want a new meter housing.

I’ll bet it might handle 2-Tons

With oversized equipment on undersized ducts he’ll be replacing in a few years anyway

:Faint:

Ask Our Pros-Owner Assistance - NO DIY advice will be given.

Be advised those CO detectors alarm after 70PPM has been reached and maintained for 60 - 180 minuets. Invest in a Low Level detector such as the Defender.
...

https://hvac-talk.com/vbb/forumdisplay.php?1012-AOP-HTalk-Contractor-Map

Where is this condo.
Units above units below
Sides
? ? ?

2 1/2-Tons for 950 Sq Ft ?

What refrigerant was the old unit.

Be more concerned with oil return then energy usage.

Why does everyone think the switch is bad when it’s properly doing it’s job.

Call the contractor back and tell them it’s not fixed!

Or the fans not working?

https://www.lennox.com/locate

The prices of the fittings and tools have to come down

So the installing contractor didn't know that when selling the equipment?

Get a wireless control.

That damper should be open when exhaust fans are calling. Bathrooms, kitchen. It can also be activated by timers.

Do you have a service provider? Have them check it for proper operation.

Why do you want to defeat the 2nd stage on/off. Let the t-stat decide if its needed or not.

With the humidifier bypass open! I dont see a damper in that line anyway!

Thats funny.

The rubber pads you have now are worthless.

Search for these:
Housed Spring Floor Mount Vibration Isolator

You need a tech.

Now more importantly you need a tech that understands Water to Water systems.

NYC?

Are you in the trade?

What brand T -Stat?

Thats scary!

With Mineral Oil it wasn't much of an issue but still Best Practice. With POE oil its "Required. POE's been in use for 20+ year. POE has a tendency to clean or scrub the inside of the...

Been a while since I've done any furnace installs but I dont recall ever reading in the IOM.................... Prime and Glue that connection! :whistle:

Im not a math major but isn't that 70°f temperature rise and the max is what?

How did you check the T E S P ? ? ?

Catering halls Kold Draft 1 1/4" Sq Cubes.

Machines on Charter Boats Hoshizaki Flaker

all the rest KM or KML

Its trying to get higher for a breath of fresh air!

Where did you get this furnace?
How did you size it?

Because it’s not there problem.

Open the ceiling and look, eliminate the guess work.

You should weigh the charge anyway might as well
recover
Weigh
Change valve
Change drier

Now you’ll know!

You need to concentrate more on the names on the trucks and uniforms then the names on the boxes!

Colors are worthless, I need to know what terminals?

Power between X and ?

Single evaporator Single phase
Page 41
Diagram #4

I believe this is what you have:

Hold on

"X" when energized pulls the clock OUT of defrost.

Where are you reading power........... X and where?

Why are you using the Ranco "After Market" control.

What control do you have in there from the factory? 3 wire klixon U-bend or flush mount?

So you can see

is the pipe stained from the roof
or
Is it condensation.

Once opened you can see and determine

Double Post?

https://hvac-talk.com/vbb/showthread.php?2225270-Size-of-return-sufficient-on-new-AC-install&p=25989939#post25989939

Being what 8- 10" to the roof id WAG the roof is the issue.

Cut the sheet rock back 12" and see if the leak stops!

Don't they all!

What's the area above? Attic unconditioned?

Can you cut the sheetrock and see above? Slip split armorflex on the intake?

Condensation leak from the exhaust and or drain.

Must be addressed.

Corrosive condensate what does your installer have to say.