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Search: Posts Made By: MechAcc
Forum: HVAC 08-09-2011, 09:30 AM
Replies: 8
Views: 4,862
Posted By MechAcc
Has the condenser coil been cleaned?

Has the condenser coil been cleaned?
Forum: HVAC 08-03-2011, 07:52 AM
Replies: 30
Views: 3,541
Posted By MechAcc
I have a heat pump also and find that there is...

I have a heat pump also and find that there is payback if the alternate heat is propane, which I have. Am just west of you in Reagan hometown area.
Forum: HVAC 08-03-2011, 07:43 AM
Replies: 6
Views: 5,111
Posted By MechAcc
Get the make and model number of the furnace. You...

Get the make and model number of the furnace. You must use the manufactures extension kit.

But, before you do have the furnace inspected and checked. If the heat exchanger leaks or is cracked...
Forum: HVAC 08-03-2011, 07:42 AM
Replies: 6
Views: 5,111
Posted By MechAcc
Get the make and model number of the furnace. You...

Get the make and model number of the furnace. You must use the manufactures extension kit.

But, before you do have the furnace inspected and checked. If the heat exchanger leaks or is cracked...
Forum: HVAC 07-22-2011, 08:58 AM
Replies: 30
Views: 3,541
Posted By MechAcc
New DOE Energy Standards

We knew it was a matter of time that the US would follow Canada's lead on the demise of the 80% efficiency furnace for only +90 % efficiencies.

The good news is that the new standards will be...
Forum: HVAC 07-15-2011, 07:07 AM
Replies: 7
Views: 3,068
Posted By MechAcc
First and always measure air flow. If the air...

First and always measure air flow. If the air flow isn't correct the charge will not be correct.

Subcooling method for txv system

Superheat method for flow restrictor system
Forum: HVAC 07-11-2011, 09:58 PM
Replies: 5
Views: 3,097
Posted By MechAcc
If you were using an analog gauge this is where a...

If you were using an analog gauge this is where a digital gauge would show up earlier. Transducers respond more quickly.
Forum: HVAC 07-11-2011, 09:31 PM
Replies: 13
Views: 5,643
Posted By MechAcc
Refrigeration Technologies makes a NSF Evaporator...

Refrigeration Technologies makes a NSF Evaporator Cleaner, Viper E+, that is an enzyme. Seems to work fairly well. Self rinsing. Can be used in Food Facilities.

The intro to Captain Carbonex Video...
Forum: HVAC 06-19-2011, 10:12 PM
Replies: 14
Views: 2,257
Posted By MechAcc
Good find. Many times on intermittent problems we...

Good find. Many times on intermittent problems we don't go the extra step to checking each and every connection.
Forum: HVAC 06-16-2011, 08:19 PM
Replies: 2
Views: 2,915
Posted By MechAcc
Appion 5G Twin. Can't beat the speed and it is...

Appion 5G Twin. Can't beat the speed and it is the only de minimus recovery machine available at this time.
Forum: HVAC 06-11-2011, 09:54 AM
Replies: 11
Views: 2,327
Posted By MechAcc
PTACS or Mitsubishi City Multizone which...

PTACS or Mitsubishi City Multizone which simultaneous heating and cooling.
Forum: HVAC 06-02-2011, 09:17 PM
Replies: 14
Views: 2,257
Posted By MechAcc
You are listed as an electrician what experience...

You are listed as an electrician what experience do have on heat pumps? Could be an intermittent RVS solenoid or as you say electrical wiring. Connecting O terminal to R terminal will keep RVS...
Forum: HVAC 06-01-2011, 02:16 PM
Replies: 4
Views: 8,154
Posted By MechAcc
I can't recall where I found this chart measure...

I can't recall where I found this chart measure return air dry bulb and wet bulb temp and the intersect gives you a target temperature drop. You'll note that as the wet bulb temp increases the actual...
Forum: HVAC 05-29-2011, 10:41 AM
Replies: 9
Views: 2,066
Posted By MechAcc
Where's Parking Wars that RAT is taking up a...

Where's Parking Wars that RAT is taking up a parking space. LOL
Forum: HVAC 05-25-2011, 11:15 PM
Replies: 16
Views: 6,931
Posted By MechAcc
Ventilation will require bring outside air into...

Ventilation will require bring outside air into the room to replace the air being exhausted. This air will contain dust and dirt which accumulate on the surfaces of the electrical equipment.

Air...
Forum: HVAC 05-17-2011, 07:26 AM
Replies: 10
Views: 2,073
Posted By MechAcc
What kind of takeoff does the branch line have? A...

What kind of takeoff does the branch line have? A round or a heel boot to round takeoff? If it is just a round takeoff you might try the 45 degree heel boot to round takeoff.

In our training lab...
Forum: HVAC 04-08-2011, 07:42 PM
Replies: 19
Views: 11,930
Posted By MechAcc
Show the homeowner the tolerances on the T651 ...

Show the homeowner the tolerances on the T651 http://customer.honeywell.com/techlit/pdf/63-0000s/63-9173.pdf

Maybe they will reconsider.
Forum: HVAC 04-08-2011, 06:48 PM
Replies: 24
Views: 5,794
Posted By MechAcc
We are only guessing. That unit could have been...

We are only guessing. That unit could have been sized correctly and the required insulation was not installed. Canned ceiling lights not insulated. Air infiltration etc. At one of our RSES...
Forum: HVAC 04-08-2011, 06:38 PM
Replies: 6
Views: 2,081
Posted By MechAcc
No.

No.
Forum: HVAC 03-05-2011, 06:59 PM
Replies: 9
Views: 2,839
Posted By MechAcc
Don't forget that the flame sensing rod is only...

Don't forget that the flame sensing rod is only one half of the flame signal. Pull and clean the surface of the burner.
Forum: HVAC 02-21-2011, 08:04 AM
Replies: 11
Views: 35,218
Posted By MechAcc
If you don't go with steam go with the forced fan...

If you don't go with steam go with the forced fan Aprilaire. No bypass duct air flow damper that homeowner has to position for heating and cooling.
Forum: HVAC 02-13-2011, 12:44 PM
Replies: 13
Views: 16,147
Posted By MechAcc
Run a fresh piece of tubing. Flared connections...

Run a fresh piece of tubing. Flared connections no compression fittings allowed.

Install and old filter assembly at the outlet of the tank without a filter element and install a complete filter...
Forum: HVAC 02-11-2011, 08:04 PM
Replies: 2
Views: 3,666
Posted By MechAcc
Model # ? White Rodgers mercury flame sensor...

Model # ?

White Rodgers mercury flame sensor system? Electronic ignition system? Make? Might be helpful.
Forum: HVAC 01-13-2011, 06:51 PM
Replies: 32
Views: 3,608
Posted By MechAcc
That was the pre 8 track age:eek:

That was the pre 8 track age:eek:
Forum: HVAC 01-01-2011, 10:40 AM
Replies: 20
Views: 39,397
Posted By MechAcc
The the agent used in the acid neutralizer kits...

The the agent used in the acid neutralizer kits is basically limestone. Limestone is used to reduce soil acidity. Kits need to be used unless condensate pumps can specifically handle acids.

ICP...
Showing results 1 to 25 of 186

 
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