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Video duration: 129 seconds
Global video hits: 186589

Wondering how Heat pumps work? Look at the video. Not rocket science but very effective and very energy efficient. Visit www.ipoolsupplies.co m or http to see what heat pumps are available. Heat your swimming pool for less and use it for a longer period all year round.

Related: heat pumps, water heater, pool heater, swimming pool heaters, pool supplies, pool products, solar showers, solar, heater, pac, chauffer piscines

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Latest comments made on this video:

love the? video ...
By: alexasmithy. on 17 Jan 12, 10:02:45
love the? video really good

Much better ...
By: SupraWes. on 12 Jan 12, 23:30:15
Much better description? than the "howstuffworks" site which would have completely confused me If I didn't already understand how an A/C system works. Kudos!

New Inverter type ...
By: Xringer. on 20 Sep 11, 01:54:25
New Inverter type Mini-Split heat pumps will keep your home warm down to about 5 degrees F, depending on the model. My Sanyo Mini-split (also called a Ductless)? cools all summer and heats all winter. Only on really cold days (under 8 deg F or -13C) do we have to turn on some back-up heat. Paying 21 cents per kWh, & using about 10 kWh per day (during cold weather) is less than 1/4 the cost of heating with oil.

@prostreetcamaro ...
By: schvarzy. on 10 Sep 11, 05:06:44
@prostreetcamaro Who wants to swim when it is 30 degrees? F or -1 degrees Celsius...

much better use of ...
By: navylaks2. on 10 Sep 11, 00:01:27
much better use of energy than a fireplace,? i know fireplaces are cozy but they also have a low effectiveness and are very bad for people with asthma and other respiratory problems.

very well? done
By: PumpManufacturers. on 24 Jul 11, 10:16:16
very well? done

I? have the same ...
By: SMGrawks. on 27 Jun 11, 11:35:35
I? have the same picture on my mantle! Different frame though.

cute video.?
By: PumpManufacturers. on 18 Jun 11, 12:31:49
cute video.?

@skittlesmonkey the ...
By: nikosgt2. on 18 Apr 11, 16:55:17
@skittlesmonkey the expansion valve is an isenthalpic expansion, which means that the working fluid maintains its enthalpy energy. if you had a turbine the working fluid would lose its? enthalpy

@skittlesmonkey ...
By: izvid1. on 09 Apr 11, 19:16:27
@skittlesmonkey Well the amount of energy reclaimed from such a turbine would be very small and it is not cost effective to put one in. The expansion valve is much cheaper and there are less moving parts to break or wear so it is also? more reliable.

couldn't? have made ...
By: fors89. on 31 Mar 11, 14:28:14
couldn't? have made it clearer really :)

I love this video , ...
By: evelinlusby84. on 17 Mar 11, 00:59:22
I love this video , oh and I have something to ask you can I send you a message i want to? download this album in downloadmusic .im

Heat pumps suck if ...
By: prostreetcamaro. on 06 Feb 11, 04:43:32
Heat pumps suck if you live in an area that gets under 30 degrees in the winter and that's? a fact.

thanks so much?
By: HANIKT7. on 11 Jun 10, 01:16:28
thanks so much?

@skittlesmonkey the ...
By: dnlp69. on 25 May 10, 11:41:59
@skittlesmonkey the expansion valve is a restriction in the system that enables you to have a high? pressure/tempreture side and a low pressure/tempreture side in the system!

is there a reason ...
By: skittlesmonkey. on 17 Feb 10, 00:46:57
is there a reason there use an expansion valve instead of something like a little turbine to harness the energy of the moment from high pressure to low, or is it just to make? the mechanism simpler?

Yes!?
By: schvarzyhk. on 05 Jan 10, 14:04:00
Yes!?

thanks for sharing ...
By: domyaska. on 20 Dec 09, 23:27:24
thanks for sharing!? grazieee

Awsome!!!!?
By: alkthecool. on 21 Aug 09, 07:17:46
Awsome!!!!?

HVAC Heat Pumps 1
Posted by: DrZarkloff

Video duration: 480 seconds
Global video hits: 69329

I show the basic components that are typical in heat pumps.

Related: drzarkloff, starkloff, hvac, heat, pumps

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Latest comments made on this video:

Thanks for posting ...
By: morganhill69. on 14 Jan 12, 20:08:48
Thanks for posting.? This was very helpful.

@symsterjrs Thanks?
By: DrZarkloff. on 11 Jan 12, 21:41:35
@symsterjrs Thanks?

@150MilesPerGallon ...
By: DrZarkloff. on 11 Jan 12, 21:41:26
@150MilesPerGallon Thanks for? watching.

Great video, Thank ...
By: 150MilesPerGallon. on 07 Jan 12, 18:45:31
Great video, Thank you for explaining these systems in great detail :-)?

excellent ?
By: symsterjrs. on 06 Jan 12, 15:53:41
excellent ?

HI DR Z ! RE: ...
By: TheSam201077. on 06 Jul 11, 06:13:39
HI DR Z ! RE: INSTALL SENSING BULD . THANKS FOR YOUR RESPONDED DR Z, IT MEAN A LOT TO ME. ?

@TheSam201077 he ...
By: SonofSam357. on 03 Jul 11, 02:25:09
@TheSam201077 he doesnt respond to any messages give up .lol its? true ive asked several questions never got an response check with other ppl on youtube .i found some other helpful ppl...

@TheSam201077 You ...
By: DrZarkloff. on 01 Jul 11, 19:14:21
@TheSam201077 You can replace the fixed orifice with a TXV. The sensing bulb needs to be fastened to the suction line. If the suction line if run horizontal then you? need to install it at 4 o'clock on the tubing.

Hi DR Z ! can I ...
By: TheSam201077. on 30 Jun 11, 18:30:15
Hi DR Z ! can I replace? a fixed orifice to a txv valve on the fan coil ., also how do you install the remote sensing bold on the suction line . THANK YOU SO MUCH DR. I am a residential installer , just want to learn more .

condensing? unit?.. ...
By: reymack1. on 15 Jun 11, 21:41:49
condensing? unit?...maybe you mean the outdoor coil.

THANKS DR. I LOVE ...
By: alexpower06. on 06 Oct 10, 03:34:10
THANKS DR. I LOVE YOUR VIDEOS? AND THE INTELLIGENCE YOU GIVE US ALL TECHS. WITH ALL THE RESPECT YOU MAKE MY DICK GET HARD. I KNOW I'M BEING SORCASTIC UPSS. SORRY BUT I REALLY DO ADMIRE YOU.

@MrTERRYD55 The ...
By: DrZarkloff. on 24 Sep 10, 08:41:46
@MrTERRYD55 The accumulator? could have accumulated non-condensables throughout the years.

@DrZarkloff? Why do ...
By: TheChaseair. on 23 Sep 10, 02:53:59
@DrZarkloff? Why do you always replace the accumulator?

@MrTERRYD55 I'd ...
By: DrZarkloff. on 27 Aug 10, 20:35:23
@MrTERRYD55 I'd look for heavy rust. If you find any then you might want to check it for leaks. Also, I always replace the accumulator when I replace the? compressor.

Dr.Z how would you ...
By: MrTERRYD55. on 27 Aug 10, 02:03:19
Dr.Z how would you determine if a a ccumulator is bad in a heat? pump condenser.

Dr.Z how? would you ...
By: MrTERRYD55. on 27 Aug 10, 01:58:34
Dr.Z how? would you determine if a accumulator is bad in a heat pump condenser.

@quickservicehvac ...
By: DrZarkloff. on 19 Aug 10, 20:29:44
@quickservicehvac Thanks?

great video from ...
By: quickservicehvac. on 19 Aug 10, 14:09:32
great video from Mr.Quick? of Quickservice

What is the correct ...
By: THEHVACTECH101. on 07 Jul 10, 02:02:45
What is the correct way to troubleshoot a reversing valve and what is the? sequence of operation for two stage a/cs?????

@Mooseguy15 A heat ...
By: DrZarkloff. on 03 Jun 10, 23:01:47
@Mooseguy15 A heat pump is an air conditioning system? that can cool and heat by use of the compressor.

Is a? heat pump a ...
By: Mooseguy15. on 31 May 10, 20:00:38
Is a? heat pump a compressor?

@thereceman The ...
By: DrZarkloff. on 24 Apr 10, 13:45:36
@thereceman The defrost thermostat stops the defrost cycle when the sensor notices that the condensing coil has a raised? temperature.

does the defrost ...
By: thereceman. on 24 Apr 10, 00:51:44
does the defrost thermostat denergize the compressor when it senses? high head pressure?

Yes. Some ...
By: DrZarkloff. on 09 Mar 10, 23:26:14
Yes. Some commercial heat pumps use solenoid valves instead of a reversing? valve.

DrZ can we use some ...
By: jhema45. on 08 Mar 10, 12:56:28
DrZ can we use some alternate solution instead of using reversing? can we use also a solenoid valve??

Lennox Heat Pump - Solar Powered XP17-042 by Complete Heating, Abbotsford, BC
Posted by: lennoxtech

Video duration: 71 seconds
Global video hits: 28101

www.completeheating. ca Lennox Solar Powered XP17-036 Heat Pump. Quietest unit ever. Compare the sound level of the heat pump in full operation (cooling mode) to the birds chirping or the gate creaking in the background.

Related: solar powered, solar panels, solar heating, green heating, burnaby, langley, abbotsford, fraser valley, maple ridge, coquitlam, lennox, complete heating, vancouver, british comlumbia, canada, bc, gvrd, heat pumps, heatpump, heatpumps, xp17, xp21, xc17, xc21, sunsource, toronto

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Mitsubishi Ecodan Air Source Heat Pump
Posted by: AyresHeating

Video duration: 210 seconds
Global video hits: 20852

Air source heat pumps take heat from the outside air, extract it and use it to heat buildings. They can take heat out of the air even at 15 degrees below 0C. Air Source heat pumps are an extremely efficient way of providing heat - for every unit of energy they use, they produce 3-4 units of heat.

Related: mitsubishi, ecodan, air, source, heat, pump, environmentally, friendly, heating, solutions

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Troubleshooting The Heat Pump
Posted by: ServiceF1rst

Video duration: 575 seconds
Global video hits: 136414

Another demonstration clip from the Wayne Shirley Collection: Heat Pump Electrical and Refrigeration Troubleshooting Techniques. Available Exclusively at WayneShirley.com

Related: wayne, shirley, heat, pumps, electrical, refrigeration, technique, hvacprotech

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Latest comments made on this video:

i mean from? right ...
By: jonasgu97. on 24 Sep 11, 18:22:45
i mean from? right to left

read the letters ...
By: jonasgu97. on 24 Sep 11, 18:22:02
read the letters from left to? right ORGY :D

thanks for this?
By: PumpManufacturers. on 24 Jul 11, 10:16:31
thanks for this?

Mr. Shirley, PLEASE ...
By: BYENZER. on 05 Jun 11, 21:47:46
Mr. Shirley, PLEASE, stop using that laser pointer. It is NOT a good choice for someone with unsteady hands. Remember those wooden pointer sticks with the rubber pointed tip? That's the ticket! Lose that laser pointer. It is very distracting to the message you are trying to convey. Laser pointers are best used only when pointing to something that is far away from your own arms reach with a pointing stick. Outside of that, they are a toy that diminishes credibility,? comprehension, etc.

referring from the ...
By: thisisnotyours1. on 14 Aug 10, 23:30:04
referring from the (Understanding The Numbers): Is indoor wetbulb the indoor ambient temperature? Eventhough, the superheat dropped lower the 2nd readings nearly half which is @ 18 degrees isn't that still on the high side? Shouldn't the super heat be somewhere under 10 degrees? if so, how would you repair and what was the problem. Your? response is greatly appreciated. By the way this is a wonderful video. Thank you.

I was taught that ...
By: THEHVACTECH101. on 08 Jul 10, 22:35:38
I was taught that you can measure voltage at both sides of the contactor because of the resistence through? the coil.

i found the other ...
By: vector00234. on 20 Jun 10, 14:05:46
i found the other day that the outdoor condensing unit / heatpump was off. i found wall stat calling for AC at 88 dergree? indoor temp indoor blower running. contactor not pulled in. muliti meter check from C - R outside shows me 27 VDC from C- Y shows 27 VDC. why does multimeter show me 24v voltage between Common and red terminal but there is not really voltage there even at the air handler board inside same thing replaced T-STAT and problem is fixed just.

@kodd13. Check out ...
By: kinleyone. on 26 May 10, 02:04:48
@kodd13. Check out Ultimate Technical Academy in Little Rock, Arkansas. I spent two weeks there and it was the best training I've ever had. The instructor is even a member of? the NATE board. That should tell you how smart he is.

great video. 99% of ...
By: phuckq. on 24 Mar 10, 02:16:19
great video. 99% of reversing vavles are in? the heating mode when de-energized. There are a few exceptions, Climate Master being one.

anyone here who ...
By: kodd13. on 09 Mar 10, 02:22:04
anyone here who graduated from a hvac? school no if the schools are teaching right because seems like all my schools around here including the one im in are shit, its just seems like im not ganna be able to get a job when i get out, and most that there teaching seems pointless

hey aviles7, its ...
By: krazedinmiami. on 01 Feb 10, 16:48:57
hey aviles7, its called textese, or what ppl use when they communicate with text messages or IMs. and FYI i left a good career to become an ac tech just cuz i wanted to work with my hands...try doing that? you jealous loser. btw cool active reversing valves are common in the south..to keep them from sticking.

Yeah.? Take your ...
By: aviles7. on 11 Jan 10, 17:00:23
Yeah.? Take your own advice! Alway keep learning. Learn to write and spell. start with your basics..

must problems ...
By: krazedinmiami. on 20 Dec 09, 17:43:53
must problems actually have to do wit dirt ..dirty evep and condenser coils, dirty drain-lines..? then its deff electricity...kno your basic electricity kno how to find a short and how to use your meter, and last kno your refrigeration cycle...kno wat cuases high/low superheat and subcooling...never stop learning and practicing.

hvac student here ...
By: linoleumcarving. on 18 Dec 09, 02:20:25
hvac student here and it looks to me? like this too. it's weird to get my mind thinking so much in a elect. way but seems that so much HVAC problems are elect. Bill Camden,SC.

please someone tell ...
By: linoleumcarving. on 18 Dec 09, 02:17:47
please someone tell this hvac student? why i am seeing so much bad stuff about goodman systems. what is goodman doing that makes this so ?

i like the video at ...
By: fatherandson0080. on 11 Nov 09, 23:39:05
i like the video at first, but got confuse at? the end part, was so fast , a lot of info thanks

i am? going to ...
By: supraman181. on 02 Oct 09, 03:50:29
i am? going to lincoln tech for HVAC and this shit is so confusing to me

Thank you for the ...
By: 1Ronin187. on 27 Feb 09, 16:24:36
Thank you for the video!?

a cool active ...
By: local614bro. on 01 Feb 09, 18:55:01
a cool active reversing valve..not many? of them is there. or do i have it backwards?

hey guys got? a ...
By: THEGORGO1. on 25 Jan 09, 02:08:01
hey guys got? a problem with a goodman heat pump i tried evberything but i cant get my head pressure up past 150 psi my suction pressure is fine the women has 2 units one is heating and the other i lost can someone give me some tips on what to look for please

yes, most HPs are ...
By: SlyOne77. on 17 Jan 09, 20:51:35
yes, most HPs are in heat? mode with no volts to the reversing valve (except Rudd - which is the opposite)

Well it is a good ...
By: 0917caicas. on 30 Dec 08, 07:42:41
Well it is a good video but not well expalined. When a heat Pump its working on heating reverses the refrigerant flow, what that means is that your condenser coil will become you evaporator and you evaporator coil will become your condenser coil. That happent because the reversing valve reverses the flow on the refrigerant, so? if your checkin pressures on heat there should be a service port near to the R.V. your High Pressure will go there and your low/P. will go in the high side.

now he said in cool ...
By: dude22573. on 25 Nov 08, 02:47:38
now he said in cool the o termanal would have a voltage... dose that mean the reversing valve is normaly set to heating and it only has voltage when the t-stat calls for? cool?

Please tell me why? ...
By: NicksPlace555. on 22 Nov 08, 15:35:01
Please tell me why? when I hooked my guages to the heat pump thay both peged out.but the unit is heating ok.Also are both lines going to be warm or hot?Thanks

very good. the best ...
By: chazzoid. on 15 May 08, 16:22:47
very good. the best hvac/r techs are the ones who are electronically enclined. elecrical components are 80% of system problems these days. i would? be excited to have you on my team.

Energy 101: Geothermal Heat Pumps
Posted by: USdepartmentofenergy

Video duration: 152 seconds
Global video hits: 21028

An energy-efficient heating and cooling alternative, the geothermal heat pump system moves heat from the ground to a building (or from a building to the ground) through a series of flexible pipe "loops" containing water. This edition of Energy 101 explores the benefits Geothermal and the science behind how it all comes together.

Related: geothermal, heat pump, alternative energy, clean energy, eere, home energy, energy efficiency, energy 101, doe, department of energy, energy blog

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Latest comments made on this video:

Drill deeper, forgo ...
By: 3029dz. on 23 Jan 12, 01:56:46
Drill deeper, forgo the heat pump and? cut the energy required to run it in half.

This is one very " ...
By: dinobecker614. on 11 Jan 12, 14:25:07
This is one very "broad" video.? =p

@rabidbigdog thats ...
By: locutus12. on 03 Jan 12, 12:06:50
@rabidbigdog thats exactly the question I put to a UK government minister in charge of housing over here. I got 4 minutes? of housing policy fluff and a complete avoidance of? the question. After all... politicians know best...

This video is a ...
By: ignaciofulle49. on 31 Dec 11, 06:12:55
This video is a favorite? on Vaduz

Should be great? to ...
By: rhersh2011. on 19 Oct 11, 20:48:21
Should be great? to have larger Department of Energy whoever needs a job can get one for better future and also think of future of energy, even better for reserach on nanotechnology

Geothermal systems ...
By: greensimonsayzzz. on 22 Aug 11, 20:11:42
Geothermal systems really do work now add a touch of solar energy with geothermal energy and zero out your energy costs for a much smaller investment than just using solar. I did? and my 5,000sqft house with swimming pool and two hot tubs costs me less than $400 a year in all utility bills

sovateri.com?
By: snowwolf23. on 17 Jul 11, 12:48:03
sovateri.com?

"Geothermal heat ...
By: GeothermalHeatPumps. on 22 Apr 11, 10:00:39
"Geothermal heat pumps are the most energy efficient, environmentally clean, and cost? effective heating and cooling systems". - Environmental Protection Agency Learn more about federal geothermal tax credits and federal geothermal incentives: EarthRiverGeo . com/geothermal-federal-tax-credit-faq.html

@rabidbigdog Most ...
By: msu105. on 23 Feb 11, 17:59:44
@rabidbigdog Most manufacturers say that 1 in 28 new homes have these pumps. This is great progress, but it is not anywhere near close to the majority of the population. The 30 percent tax credits last only until 2016, so use them ASAP! The upfront cost is a big hurdle for most people. What if two or more neighbors shared the loop cost though? I think they? could really reduce the upfront cost while getting one of the best energy efficient options.

Why aren't they ...
By: rabidbigdog. on 18 Jan 11, 08:27:45
Why aren't they mandatory for? new construction or at the time of sale?

Excellent?
By: flicksnotgrass. on 12 Jan 11, 20:41:17
Excellent?

HVAC Heat Pump Controls
Posted by: DrZarkloff

Video duration: 427 seconds
Global video hits: 36731

I show how the controls in my air conditioner works.

Related: drz, heat, pump, controls

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Latest comments made on this video:

sup z. everytime i ...
By: Drew927. on 08 Feb 12, 00:01:07
sup z. everytime i turn my heat pump hot/cold it humms at the contactor. no fan or compressor sound. but the contactor is switching in and staying in when energized.? any thoughts on this? also i noticed there is a capicitor (not swelled) and a hard start hooked up to this.

that is the? most ...
By: my1997supra. on 17 Nov 11, 20:23:04
that is the? most confusing video you could ever post to teach anyone about the way a control system works. It all starts with the hot side of the transformer RED. Remove the thermostat from the wall and jump red to the green (fan) and yellow (contacor), That outdoor is coming on in heat mode. Now jump the red to the yellow, green orange and it will come on in a/c mode. Simple.

@AJHAY041890 Fasten ...
By: DrZarkloff. on 07 Nov 11, 17:32:44
@AJHAY041890 Fasten the TXV bulb at 4 o'clock if? it's attached to a horizontal suction line. Then adjust the valve so that you're getting about 12 to 15 degrees superheat. Typically, the OEM TXV will come from the factory pre-adjusted to the correct setting unless you're using an aftermarket TXV. Then tweak in the charge by subcooling.

@DrZarkloff good ...
By: AJHAY041890. on 04 Nov 11, 18:26:39
@DrZarkloff good day dr. Z im here again..1 ask 1 question do you know what is the right setting for thermostatic expansion valve brand danfoss?because we have 1 unit of carrier 7.5 tr that is abnormal the cooling after we reprocess the unit because we adjust the TXV when we are flushing the evaporator with dry nitrogen and 141 b ,can you help me to solve this type of trouble and give me some? idea about this dr.Z??

@AJHAY041890 You'll ...
By: DrZarkloff. on 04 Nov 11, 14:31:44
@AJHAY041890 You'll need to release the nitrogen charge? before you can safely braze.

@DrZarkloff gud ...
By: AJHAY041890. on 04 Nov 11, 01:49:17
@DrZarkloff gud day dr.Z,may? i know if it is not dangerous to brazed a copper tube and then there is a charged of dry nitrogen?

@AJHAY041890 ...
By: DrZarkloff. on 03 Nov 11, 18:56:02
@AJHAY041890 Nitrogen is used during brazing to? prevent scaling on the inside of the tubing.

@DrZarkloff hi ...
By: AJHAY041890. on 31 Oct 11, 12:25:24
@DrZarkloff hi dr.Z, i am from Philippines,,and our company is a sub contractor of american power conversion(APC).every time i watch your video about the air-conditioning i am challenged to experience that different kinds of units especially the hvac.heat pump,chiller and other big units,,i want to get some idea about the hvac and heat pump that's why i'm? trying to send a message to you,,may i ask 1 question why when you are brazing a copper tube why are you charged it with dry nitrogen??

@AJHAY041890 Thank ...
By: DrZarkloff. on 30 Oct 11, 14:00:05
@AJHAY041890 Thank you very much for watching and? congrats for graduating from HVAC school.

hi Dr.Z i am 1 of? ...
By: AJHAY041890. on 24 Oct 11, 17:50:55
hi Dr.Z i am 1 of? your fanatic her in Philippines and i am work as a aircon technician.i am graduate of bachelor of science in industrial technology,,can you give me some techniques or rather an idea about hvac system like ceiling concealed.heat pump and also chiller,i want to learn that to enhance my skills and become a air-conditining technician expert someday,,tnx

is business in ...
By: scotty2hotty851. on 30 Sep 11, 01:47:27
is business in florida good this time of year?

@scotty2hotty851 I ...
By: DrZarkloff. on 24 Aug 11, 21:43:18
@scotty2hotty851 I work for the school board and I live? in the Gainesville, Florida area.

WHER ARE U FROM ...
By: scotty2hotty851. on 22 Aug 11, 23:28:29
WHER ARE U FROM AND WHAT? IS YOUR COMPANY NAME

WHER? ARE U FROM
By: scotty2hotty851. on 22 Aug 11, 23:28:07
WHER? ARE U FROM

@hlub82 Thanks for ...
By: DrZarkloff. on 27 Jul 11, 23:24:15
@hlub82 Thanks for the compliment? and for watching.

Dr.? Z thank you. ...
By: hlub82. on 24 Jul 11, 16:36:41
Dr.? Z thank you. We need more honest repairman like you around. Wished you live in my area, I hire you to fix my central air right now cuz I know you are an honest and not scammer like a lot of repairman.

@cdub61208 Thanks? ...
By: DrZarkloff. on 24 Jul 11, 16:24:31
@cdub61208 Thanks? for watching.

I'm? from ct. I do ...
By: cdub61208. on 24 Jul 11, 05:38:11
I'm? from ct. I do mostly boilers and plumbing and minor ac, condensate, dampers and fan motors. Very useful info. Please more!

Dr. z , can you ...
By: buckhvac100. on 20 Jul 11, 02:44:22
Dr. z , can you do a video on ? you system of finding low voltage shorts , useing what ever system you use then , Chad

@buckhvac100 Maybe ...
By: DrZarkloff. on 19 Jul 11, 23:57:15
@buckhvac100 Maybe if Zebra want to send me one.?

Dr . Z , could ...
By: buckhvac100. on 18 Jul 11, 12:23:48
Dr . Z , could you do a video on how to find low ? voltage shorts , useing a zebra reseting light or a resetable fuse , thanks chad

@HarleyDoo2 You can ...
By: DrZarkloff. on 03 Apr 11, 15:18:12
@HarleyDoo2 You can call a Grand Aire? dealer or see if you can find the wiring diagram at Grand Aire's web site or ICP's web site or Nordyne's web site.

Could you get a 4 ...
By: HarleyDoo2. on 03 Apr 11, 14:45:51
Could you get a 4 ton Grandaire wiring diagrham for the E heat. I am confused with it. This is a? Heat Pump Pack 410a

@catrachomg You ...
By: DrZarkloff. on 17 Jan 11, 15:57:08
@catrachomg You really should have a tech do the job if you don't feel comfortable with it. The control transformer has two wires that are connected to the secondary side. One side feeds 24 volts to the (R) terminal on the thermostat and the other side feeds the common (C).?

I what I mean is ...
By: catrachomg. on 16 Jan 11, 04:37:10
I what I mean is that I can? use my common wire to power up the thermostat with no need of batteries...so how would I do that if I don't have 24v in my common or neutral wire....i don't know if you know what i mean...

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