Search: Posts Made By: ferd42
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Today, 03:35 PM
Replies: 33
Views: 571
Posted By ferd42

Rethinking this, just drill holes around where...

Rethinking this, just drill holes around where the red dots are shown, forget the black. You'll need a thermometer that goes from 160F to 140F or so, digital types are best.
Today, 02:24 PM
Replies: 5
Views: 73
Posted By ferd42

Payne, Bryant and Carrier are essentially the...

Payne, Bryant and Carrier are essentially the same and I routinely spec'd Carrier in the 90's, so I'm sure it'll be OK for AC - especially with the light demand in that climate. My main concern is to...
Today, 12:07 AM
Replies: 33
Views: 571
Posted By ferd42

Checked your specs: Furnace output is 93 MBH and...

Checked your specs: Furnace output is 93 MBH and permitted ATR is 35F to 65F. It'll be interesting to see the actual ATR. AND that'll also tell us the approxroximate heating airflow, another...
Yesterday, 11:59 PM
Replies: 33
Views: 571
Posted By ferd42

Right. Yes, this needs to be coordinated...

Right.

Yes, this needs to be coordinated with the first phase, so you'll have to wait.

In the interim, you might want to check the air temperature rise ("ATR") across the furnace when it's...
Yesterday, 11:39 PM
Replies: 5
Views: 73
Posted By ferd42

You won't need much cooling in your climate, with...

You won't need much cooling in your climate, with ASHRAE 1% about 82F. Give us the M/N of your furnace, the SF of your home, and year it was constructed. Did your renovations include new windows,...
Replies: 6
Views: 160
Posted By ferd42

Please post images of the furnace showing plenum...

Please post images of the furnace showing plenum from front and side. It'd also be good to have make and M/N of furnace and outdoor unit.
10-17-20, 09:38 PM
Replies: 33
Views: 571
Posted By ferd42

Safing is a piece of metal along the top, sides...

Safing is a piece of metal along the top, sides and bottom that the filter seats against to prevent air flowing around (bypassing) the filter, is usually installed on both sides of the filter. Not to...
10-16-20, 10:54 AM
Replies: 33
Views: 571
Posted By ferd42

And you might want to remove the blue tape from...

And you might want to remove the blue tape from the blower door switch. Forgive me if you put it there, but it's not the kind of thing a knowledgeable tech would do.
10-16-20, 10:41 AM
Replies: 33
Views: 571
Posted By ferd42

Looks like the blower motor is on the right side....

Looks like the blower motor is on the right side. And you have a pleated filter, depending on thickness and MERV could have much more resistance to flow than the F100. You must have some air...
10-16-20, 10:34 AM
Replies: 14
Views: 295
Posted By ferd42

You might check the Bosch 18 SEER: Variable speed...

You might check the Bosch 18 SEER: Variable speed compressor w/ constant indoor airflow. The HVAC contractor has two in his house with NO backup heat. He's been quite comfortable for the two winters...
10-15-20, 02:50 AM
Replies: 6
Views: 151
Posted By ferd42

Does your manufacturer permit the intake to rise?...

Does your manufacturer permit the intake to rise? The Trane diagrams do not show that as an option.

If your furnace is listed for one pipe operation (Trane permits one and two), you could convert...
10-14-20, 10:06 AM
Replies: 6
Views: 151
Posted By ferd42

The first thing to do is read your furnace's...

The first thing to do is read your furnace's Installation Instructions. Manufacturers are quite specific about how this is to be done. You'll then need to measure the existing lengths of piping and...
10-13-20, 01:01 PM
Replies: 33
Views: 571
Posted By ferd42

I checked the Trane specs. Return opening should...

I checked the Trane specs. Return opening should be 14-7/8" x 23-3/4".
Replies: 6
Views: 160
Posted By ferd42

And always check downstream of the filter to make...

And always check downstream of the filter to make sure there's no construction debris to be recirculated to your living area forever. These images were taken in a DE home billed as a "Health House"....
Replies: 6
Views: 160
Posted By ferd42

When the filter's remote from the air mover, any...

When the filter's remote from the air mover, any inleakage to the return duct is unfiltered air with various contaminants, some of which can be deposited on the blower, blower housing. heat...
10-12-20, 10:54 AM
Replies: 33
Views: 571
Posted By ferd42

Furnace opening: Remove the blower door (bottom...

Furnace opening: Remove the blower door (bottom panel), look for the indentations and compare with existing opening. Measure existing opening and check that it's a true rectangle. You could also...
10-11-20, 09:56 AM
Replies: 33
Views: 571
Posted By ferd42

You'll at least need to find a local sheet metal...

You'll at least need to find a local sheet metal shop to fabricate the new plenum. Give the guy the MAC, the sketch and the dimensions of the furnace opening, and he should be able to take it from...
10-10-20, 05:08 PM
Replies: 33
Views: 571
Posted By ferd42

You'll need to solidly support the new plenum...

You'll need to solidly support the new plenum from the floor so there's no stress on the furnace cabinet. Scrap the existing filter, etc.
10-10-20, 05:05 PM
Replies: 33
Views: 571
Posted By ferd42

Here's the first priority: A new 20x25 return...

Here's the first priority: A new 20x25 return plenum w/ 20x25 media air cleaner (similar Honeywell F100 MERV11). Although I've shown the new 12" on the side, it can be connected anywhere on the new...
Replies: 15
Views: 318
Posted By ferd42

A wall box, not a "Dryer Box".

A wall box, not a "Dryer Box".
10-08-20, 11:49 PM
Replies: 33
Views: 571
Posted By ferd42

Looking at your latest image, I realized the...

Looking at your latest image, I realized the bypass connects to the (field-provided) cooling coil enclosure. This is a case of "The more you look, the more you see", in inspection-ese. We'll fix that...
10-08-20, 11:45 PM
Replies: 33
Views: 571
Posted By ferd42

My suggestion won't work without moving the water...

My suggestion won't work without moving the water heater. That's probably a good thing, because we'll fix that mess at the RH side instead. Please give me some measurements:
1. Size of return drop...
Replies: 15
Views: 318
Posted By ferd42

The UL-2158A is an approved dryer transition duct...

The UL-2158A is an approved dryer transition duct (Dryer Flex also carries that rating). I hooked mine up with an adjustable elbow at the dryer connection to reduce crimping. I also cut a dryer box...
10-08-20, 11:20 PM
Replies: 7
Views: 215
Posted By ferd42

Thanks for recommending he get professional help....

Thanks for recommending he get professional help. I was quite surprised to see this massive job might become a DIY.
Forum: Water Heaters
10-08-20, 12:32 AM
Replies: 4
Views: 230
Posted By ferd42

Another option: Install a 6 gallon electric water...

Another option: Install a 6 gallon electric water heater in the HW line under the sink.
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