Search: Posts Made By: MrTech
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05-21-15, 05:59 PM
Replies: 5
Views: 8,183
Posted By MrTech

I'm no fan of electronic controls in evap...

I'm no fan of electronic controls in evap coolers. Moisture and digital items just don't like to dance!
IIRC, somebody made an aftermarket add-on module so any evap could be run from a stat...
05-21-15, 05:52 PM
Replies: 9
Views: 5,288
Posted By MrTech

What is the diameter of the sheave and the motor...

What is the diameter of the sheave and the motor shaft diameter? If the sheave you have is adjusted to it's largest diameter, you might be able to get more air out of the unit with a larger pulley. ...
05-05-15, 05:14 PM
Replies: 10
Views: 1,298
Posted By MrTech

I hate to arm-chair quarterback, but, 17 pounds...

I hate to arm-chair quarterback, but, 17 pounds of freon sounds like a lot to me. R22? Then $45 a pound ain't as bad as it could be. But 17 pounds? :eek:

Can you get to the condensing unit? The...
05-05-15, 05:04 PM
Replies: 4
Views: 721
Posted By MrTech

Electronic digital thermostat? Could be failing...

Electronic digital thermostat? Could be failing internally.

Heat pump units have a computer board defrost control in the outer unit. Many times it serves merely as a "pass-thru" for cooling...
04-18-15, 12:14 AM
Replies: 19
Views: 1,729
Posted By MrTech

The defrost board has a fan relay built into it...

The defrost board has a fan relay built into it to turn the fan off in the defrost cycle when in the heat mode. It just powers the cond fan directly in cool mode. So, if you bypass the fan relay in...
04-18-15, 12:08 AM
Replies: 2
Views: 1,533
Posted By MrTech

You may have algae/dirt clogging up the drain pan...

You may have algae/dirt clogging up the drain pan channels and water can't drain out the front opening. Therefore, it builds up and then overflows all over the place.

This happened to my coil...
04-17-15, 11:59 PM
Replies: 9
Views: 2,707
Posted By MrTech

With older compressors, you'd probably be OK. But...

With older compressors, you'd probably be OK. But newer ones (say 2006 and after) are alot skimpier windings, and don't tolerate voltage spikes, brownouts, or improper capacitance well.
Plus, older...
02-22-15, 06:25 PM
Replies: 7
Views: 11,974
Posted By MrTech

I've had problems related to this with high winds...

I've had problems related to this with high winds messing with airflow. I don't live in an ice storm prone area, so, take my advice accordingly.
You need to devise a way to deflect the freezing wind...
02-22-15, 06:06 PM
Replies: 15
Views: 5,522
Posted By MrTech

The blinking light could be the flash code light...

The blinking light could be the flash code light on the control board. Different numbers of flashes means different things.
Typically, when everything is normal and the furnace is in stand-by (not...
02-21-15, 11:25 AM
Replies: 5
Views: 1,323
Posted By MrTech

Many equipment manufacturers use non-standard...

Many equipment manufacturers use non-standard filter openings to get you to buy their "approved" filter. (Or the cheapie foam filter you have shown).
You really want a filter holder that will...
01-22-15, 03:25 PM
Replies: 12
Views: 2,010
Posted By MrTech

All of the "symptoms" you've described are...

All of the "symptoms" you've described are normal. You may experience cold air delivery during defrost. Say 10 minutes maximum.

If you have auxiliary heat strips, they will temper the cold air...
01-18-15, 02:04 PM
Replies: 8
Views: 2,181
Posted By MrTech

Since the furnace has been operating with a...

Since the furnace has been operating with a high-static filter, chances are dirt and hair etc have accumulated on the blower and interior passage ways. Getting the bad filter out helps, but...
01-18-15, 10:51 AM
Replies: 10
Views: 3,500
Posted By MrTech

Tighten the adjuster until the belt doesn't have...

Tighten the adjuster until the belt doesn't have any limp to it. You don't want it to be a guitar string, but, you don't want to to be limp and wobbly.

The old rule of thumb was: when the belt is...
01-18-15, 10:38 AM
Replies: 2
Views: 2,036
Posted By MrTech

I don't have a manual in front of me, but the...

I don't have a manual in front of me, but the orange wire is going to a shared O/B terminal.

Somewhere in the programming sequence (or on the back of the stat) he'll have to select "RV energized...
01-18-15, 10:33 AM
Replies: 10
Views: 5,556
Posted By MrTech

Nice enhance, PJ!:cool: We need a head-on...

Nice enhance, PJ!:cool:

We need a head-on shot of the control panel to see what wire lead he's holding.
01-18-15, 10:30 AM
Replies: 9
Views: 2,963
Posted By MrTech

Has the OP fixed the problem? If the lack of...

Has the OP fixed the problem?

If the lack of drainage/smell is recent, the unit probably needs a cleaning. Most modern window units have a styrofoam liner/insulator that also used as a a sound...
01-18-15, 10:23 AM
Replies: 2
Views: 731
Posted By MrTech

PJMax is right. A colder temp INSIDE might make...

PJMax is right. A colder temp INSIDE might make more frost form on the outside coil simply because the unit has to run more to warm things up inside so more ice might then form outside. But this is...
01-18-15, 10:14 AM
Replies: 8
Views: 1,648
Posted By MrTech

Smart valves did have their share of problems. ...

Smart valves did have their share of problems.

Could be a faulty ground. Flame rectification circuits need a good, solid ground to sense flame and operate properly.

Have you checked the...
01-18-15, 10:02 AM
Replies: 24
Views: 1,437
Posted By MrTech

Condensate drain problems are some of the...

Condensate drain problems are some of the toughest ones to fix. The codes in Florida might be substantially different from my locale, but most units here drain out by the condenser unit. It would be...
01-18-15, 09:51 AM
Replies: 10
Views: 5,556
Posted By MrTech

I've found dead spiders, ants, lizards, rats, -...

I've found dead spiders, ants, lizards, rats, - you name it - inside outdoor units. They can eat wires causing a short or non-function. Or die and the decaying body destroys a circuit board contact...
01-18-15, 09:46 AM
Replies: 3
Views: 892
Posted By MrTech

I believe Holly went out of business in the late...

I believe Holly went out of business in the late 80's? One of you contractors out there correct me if I'm wrong here.
And I haven't seen one in over 20 years. That last unit had General Controls...
01-18-15, 09:41 AM
Replies: 2
Views: 724
Posted By MrTech

Yep, sounds like a limit opened up. With most...

Yep, sounds like a limit opened up.
With most modern furnaces, the control boards are programmed to run the indoor blower continuously if any limit switch opens. (The control is being told the...
01-18-15, 09:34 AM
Replies: 4
Views: 806
Posted By MrTech

You are wise to ask how much air the furnace...

You are wise to ask how much air the furnace needs. As it sounds right now, it can just suck any air out of the basement because there's nothing down there. But, you convert that into a living space...
01-18-15, 09:26 AM
Replies: 15
Views: 1,203
Posted By MrTech

What skaggsje said. The nameplate photo has 1983...

What skaggsje said. The nameplate photo has 1983 printed in one of the spots. Could just be the specs that were current at the time the furnace was made and not it's actual age. But, that is still 32...
01-18-15, 09:21 AM
Replies: 10
Views: 3,500
Posted By MrTech

Could be alot of things. Worn belt and/or drive...

Could be alot of things. Worn belt and/or drive pulley, too big a belt, belt out of alignment, adjustment device stuck or missing.
Using a straight edge as has already been mentioned will reveal if...
Showing results 1 to 25 of 26
 


 
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