Search: Posts Made By: user 10
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07-25-20, 05:38 PM
Replies: 9
Views: 299
Posted By user 10

it's against the law in canada to top off...

it's against the law in canada to top off leakers, and rightfully so!
07-24-20, 08:14 PM
Replies: 9
Views: 299
Posted By user 10

As roughneck stated, refrigerant shouldn't need...

As roughneck stated, refrigerant shouldn't need to be added unless there's a leak, in which case the leak should be fixed or unit replaced.

The oldest units to use 410a were made in the mid 90s -...
07-24-20, 08:09 PM
Replies: 4
Views: 170
Posted By user 10

15 years is not old at all, hold on to what you...

15 years is not old at all, hold on to what you have until compressor fails or refrigerant leak develops.
Most problems are electrical and are easily and relatively cheaply fixed.

R410a is not an...
07-05-20, 12:52 PM
Replies: 25
Views: 445
Posted By user 10

[/color] If detached 2-story with...

[/color]

If detached 2-story with insulation, doubt you need more than a 80k at 95%+ - though roughneck is right, load calc required.

Oversized or not there's a high chance the ducts are too...
07-04-20, 08:22 PM
Replies: 25
Views: 445
Posted By user 10

The main advantages of the variable speed: range...

The main advantages of the variable speed: range and direct static pressure compensation.

Not worth it for energy savings but now a more basic ecm is required to comply with regulations - such a...
07-04-20, 08:10 PM
Replies: 25
Views: 445
Posted By user 10

What kills these motors/modules is having ducts...

What kills these motors/modules is having ducts that are too small for the equipment.

The module ramps up the blower above the typical rpm to deliver proper airflow, and in doing so current draw...
07-02-20, 03:48 PM
Replies: 25
Views: 445
Posted By user 10

The complete furnace model number can be used to...

The complete furnace model number can be used to source the part.

Also, if the existing motor is ecm 3.0+, there is a drop in generic replacement which takes it's programming from the control...
07-01-20, 02:03 PM
Replies: 25
Views: 445
Posted By user 10

Very hard to find due to having proprietary...

Very hard to find due to having proprietary programming and most brick and mortar suppliers only selling to contractors.

You'll have to find the suppliers (mostly online) that will sell to the...
07-01-20, 07:13 AM
Replies: 25
Views: 445
Posted By user 10

You need a new module, the circuit board itself...

You need a new module, the circuit board itself is damaged, there's no use in just changing the thermister. If you change the thermister, you'll probably have future problems.
06-30-20, 12:20 PM
Replies: 25
Views: 445
Posted By user 10

A static pressure test should be done after the...

A static pressure test should be done after the repair.

Could be undersized ducts and or filter (1" pleated bad for bigger furnaces) doing it. Minor changes may yield major reductions in pressure.
06-29-20, 02:14 PM
Replies: 25
Views: 445
Posted By user 10

Motor troubleshooting info -...

Motor troubleshooting info - http://www.munchsupply.com/media/assets/docs/03860_1119_ECM_Troubleshooting_Tech_Tip.pdf
06-29-20, 02:11 PM
Replies: 25
Views: 445
Posted By user 10

Does your motor/module have a data connection...

Does your motor/module have a data connection with many pins/wires? If yes, it's not ecm 3.0+.
06-29-20, 02:05 PM
Replies: 25
Views: 445
Posted By user 10

It's probably the module that's bad, not the...

It's probably the module that's bad, not the motor.

If the motor is non-communicating you can test for signal to make sure the wiring harness and main control board are good. Need a multi-meter. I...
06-23-20, 08:35 PM
Replies: 5
Views: 204
Posted By user 10

Turn it on a few hours each season to keep the...

Turn it on a few hours each season to keep the compressor properly lubricated.
05-15-20, 08:36 PM
Replies: 27
Views: 739
Posted By user 10

^maybe in your area return grill filters are...

^maybe in your area return grill filters are common but in the northeast the filter is at the furnace when it's in a conditioned basement!
05-15-20, 02:37 PM
Replies: 27
Views: 739
Posted By user 10

Get yourself a media filter -...

Get yourself a media filter - https://www.honeywellhome.com/us/en/products/air/air-filtration/air-cleaners/20-in-x-25-in-media-air-cleaner-f100f2025-u/
05-14-20, 09:54 PM
Replies: 27
Views: 739
Posted By user 10

You would have to have filters custom...

You would have to have filters custom ordered/made to re-use that old eac assembly.

I would have it removed and replaced with a 16x25 media filter cabinet. Some duct modification may be required....
05-06-20, 04:25 PM
Replies: 10
Views: 362
Posted By user 10

are you near an ocean? could be salt doing...

are you near an ocean?

could be salt doing it.
05-04-20, 09:03 PM
Replies: 14
Views: 403
Posted By user 10

you won't be able to find a replacement board,...

you won't be able to find a replacement board, can potentially replace the relay though.

i would verify it's bad first - need meter to test, see if there's continuity from wall plug (need to...
05-04-20, 08:58 PM
Replies: 5
Views: 324
Posted By user 10

Do not assume that the coil is dirty. Coil on top...

Do not assume that the coil is dirty. Coil on top of the furnace needs to be pulled for cleaning which entails recovering or pumping down refrigerant, cutting the refrigerant lines and rebrazing,...
04-28-20, 06:01 PM
Replies: 21
Views: 589
Posted By user 10

I wouldn't replace any component that's still...

I wouldn't replace any component that's still working.

Just keep it clean and run it until it springs a leak or compressor fails. It could die tommorow or last another 10 years.

That looks like...
04-28-20, 05:48 PM
Replies: 7
Views: 340
Posted By user 10

Straight from the service manual - do the testing...

Straight from the service manual - do the testing shown in the picture below to make sure the igniter is still good and board is applying appropriate voltage to it.

The ignitor resistance may be...
04-15-20, 10:55 PM
Replies: 6
Views: 272
Posted By user 10

Forced air heat with ceiling vents will never be...

Forced air heat with ceiling vents will never be close to as comfortable as hot water.
If the house is two story, good duct design is critical for heating the first floor properly from above. Floor...
04-14-20, 11:35 AM
Replies: 6
Views: 272
Posted By user 10

Air ducts do not belong on hot attics. It's...

Air ducts do not belong on hot attics.

It's often done in the us but is a horrible idea.

You can look into a high velocity system.

I would keep the rads but change the boiler to condensing...
03-19-20, 07:35 PM
Replies: 33
Views: 1,269
Posted By user 10

The heatpump will always supply more heat than it...

The heatpump will always supply more heat than it consumes in electricity.
All of the energy consumed by the compressor gets absorbed by the refrigerant and released by the indoor coil.
The heat...
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