Search: Posts Made By: user 10
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Yesterday, 06:28 AM
Replies: 1
Views: 81
Posted By user 10

you can do that but will lose control over...

you can do that but will lose control over continuous fan.

better to run a new wire with more conductors if possible.
07-09-19, 06:46 AM
Replies: 10
Views: 330
Posted By user 10

Contractors can inflate repair costs to make...

Contractors can inflate repair costs to make replacement more attractive.

It doesn't really make sense to spend more than 50% of the installed cost on repair - that's if it's like 10 to 12 years...
07-08-19, 05:22 PM
Replies: 10
Views: 330
Posted By user 10

High and mid efficiency units are equipped with...

High and mid efficiency units are equipped with the same controls and primary heat exchanger.

The board won't last any shorter in high than mid.

It shouldn't cost $1000 to replace a control...
07-06-19, 09:46 AM
Replies: 8
Views: 318
Posted By user 10

With the tape there it's hard to tell if the...

With the tape there it's hard to tell if the return drop is properly connected to the filter holder.

There should be a cover for the filter holder - if it's nowhere to be seen you can tape over...
07-04-19, 10:23 AM
Replies: 26
Views: 709
Posted By user 10

This is a lie, most of the parts are generic and...

This is a lie, most of the parts are generic and readily available.
07-04-19, 10:17 AM
Replies: 5
Views: 262
Posted By user 10

Is the a/c blowing out warm air? I suspect...

Is the a/c blowing out warm air?

I suspect you have electric heat stuck on - could be a bad sequencer or something else.
07-04-19, 07:11 AM
Replies: 5
Views: 328
Posted By user 10

If these furnaces are used in extremely cold...

If these furnaces are used in extremely cold weather, it's absolutely worth having the staging controlled by thermostat.
07-01-19, 08:00 AM
Replies: 9
Views: 721
Posted By user 10

Honestly, get rid of the nest thermostat - they...

Honestly, get rid of the nest thermostat - they have a horrible reputation, known to cause a lot of problems.
07-01-19, 07:55 AM
Replies: 6
Views: 323
Posted By user 10

Would void safety certifications if there's an...

Would void safety certifications if there's an equivalent model that uses an x13 motor instead.

You should be able to get the module alone.



If this unit is under 10 years old it may still...
06-30-19, 04:12 PM
Replies: 6
Views: 323
Posted By user 10

You have to make sure the motor module is getting...

You have to make sure the motor module is getting the right signal from the board before condemning the module.

There should be specific instructions on how to troubleshoot ecm 3.

I know the...
06-30-19, 06:32 AM
Replies: 2
Views: 273
Posted By user 10

The whisperheat will be closer to 20-30 years old...

The whisperheat will be closer to 20-30 years old than 6 to 7 and probably has a cracked heat exchanger.

Get it inspected and plan on furnace replacement even if it's not cracked now.
...
06-28-19, 11:48 AM
Replies: 26
Views: 709
Posted By user 10

Sealants aren't good for equipment especially...

Sealants aren't good for equipment especially when there's moisture in the system.

--------------

The contractor should be able to find the leak.

Could even be a shrader valve or service...
06-28-19, 10:13 AM
Replies: 5
Views: 328
Posted By user 10

Post the full model number for each furnace. ...

Post the full model number for each furnace.

It's at least a 2-stage with variable speed blower as stated in my post above.

You should know that all the 58 series high efficiency furnaces from...
06-28-19, 10:02 AM
Replies: 5
Views: 328
Posted By user 10

The infinities have always been variable speed, ...

The infinities have always been variable speed,

Variable speed simply refers to the type of blower motor. The blower automatically compensates for duct pressure to maintain proper airflow in each...
06-26-19, 07:58 PM
Replies: 2
Views: 276
Posted By user 10

Have leaks repaired or replace the systems....

Have leaks repaired or replace the systems. Topping off is bad.

Leak repair may not be worth it on equipment this age - depends on where the leaks are.
06-26-19, 07:53 PM
Replies: 7
Views: 506
Posted By user 10

Its normal to have trace amount of co in the...

Its normal to have trace amount of co in the exhaust.

Its the exhaust that needs to be checked.

The heat exchanger should be inspected from the bottom - if you don't have an evap coil on top,...
06-23-19, 09:31 AM
Replies: 2
Views: 372
Posted By user 10

Unless your unit has a crankcase heater, you...

Unless your unit has a crankcase heater, you should only have two wiring coming into the contactor - looks like your wired the fan hot all the time.
06-21-19, 11:05 AM
Replies: 4
Views: 349
Posted By user 10

These units aren't made to be connected to any...

These units aren't made to be connected to any vents, they're stand-alone.

The exhaust temperature will depend on the temperature in the garage (given its pulling air from garage to cool the...
06-20-19, 10:51 AM
Replies: 6
Views: 462
Posted By user 10

The 4ttr6 is a 16 seer machine, you should see...

The 4ttr6 is a 16 seer machine, you should see what nominal coil capacity trane recommends and see how close the carrier coil is to that.

The 16 probably needs a large coil to actually hit the...
06-17-19, 06:22 PM
Replies: 15
Views: 714
Posted By user 10

You can tell if the compressor motor is running...

You can tell if the compressor motor is running with a clamp ammeter.

If the amp draw is very low or above the rating, odds are you have a mechanical failure.

Need gauges put on to know exactly...
06-15-19, 06:48 PM
Replies: 3
Views: 449
Posted By user 10

if you have leaky ducts in a basement or ducts in...

if you have leaky ducts in a basement or ducts in a hot attic, the window unit will save you money over running the central.

Especially if you're comparing a energy star window unit to a older 8...
06-15-19, 06:44 PM
Replies: 10
Views: 548
Posted By user 10

A system can appear to work fine but have a very...

A system can appear to work fine but have a very dirty blower and evap coil - especially when its oversized for the cooling/heating load.

Electronic air cleaners are very poor dust filters even...
06-12-19, 10:05 PM
Replies: 9
Views: 721
Posted By user 10

the gmh has a regular blower motor to my...

the gmh has a regular blower motor to my knowledge.

with a multi-meter or multi-meter, you can see which speed terminals are being energized.

Can also direct jumper R and Y together at the...
06-12-19, 06:09 PM
Replies: 9
Views: 721
Posted By user 10

check your thermostat wiring, make sure wires on...

check your thermostat wiring, make sure wires on y are secure on furnace circuit board.

if the board doesn't sense y it will run on the continuous fan speed, may be a marginal connection.
06-12-19, 06:05 PM
Replies: 15
Views: 714
Posted By user 10

you'll need to have the compressor changed if not...

you'll need to have the compressor changed if not the entire a/c.

only makes sense to change the compressor if the unit is a good shape and has many years left.
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