hay guys
For quoting maintance on hvac equipment , is the best way to go to site or is there a program to use? any advice would be great
thanks for any help
Type: Posts; User: dav214
hay guys
For quoting maintance on hvac equipment , is the best way to go to site or is there a program to use? any advice would be great
thanks for any help
Checked the reversing valve , is switching
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Just like a thump
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normal amp draw while running
The noise is when the compressor stops
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Yes , iam a tech
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Customers
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have a 4 year heat pump very noisey, thinking muffler is no good, running well but for the noise
any recommendations?
question
walk into a house today and noticed the supply from the hrv was not connected to return duct, the supply pipe was 6 " away open and there was a hole in the return, customer called other...
how would I go about setting a bypass damper on zoned system?
thanku
should oil be changed in semi-hermetic compressor every couple of years or just if discoloured or the valves need to be redone
thanks
contact cleaner , just for use on contactors or can been used elsewhere?
thanks
is a water or air gauge the same as a refrigeration gauge, if not why not
thanks
hey guys
what is a molecular condenser
thank u
Hey guys
does all accumulators have fusiable plugs
thanku
why and what circumstances would u want to pumpback the refrigerate into the condenser in refrigeration
is there any good steam humidifier with out having to install water filter system and not cost over $, any recomendations
is it normal for the compressor to sweat?
gauges not connected
bullet vacuum pump spits out a little bit of oil on startup, is that normal?
bullet vacuum pump spits out a little bit of oil on startup, is that normal?
do u guys put filter dryer on inlet of reclaimers all the time and how often to change?
hey guys me again,
just wondering to clean condenser coils , do most of u use pressure washer or just a good acid and a garden hose
thanks
thanks guys
do u guys recommending replacing hoses yearly or when broken or rebuild if u can?
which is best smart stat in your opinon and why?
hey guys
does it matter if I use r22 gauges with 134A, 500 series?.
400 series refrigerate I have one gauges for those,i know these should be seperate
whats up with different size scrader valves,is there any reasoning behind that?
Micro channel condenser coil
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Contactot good, amp good
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7.5,2 stage,2 fans ,fans on with y1
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Pressure are fine and does not trip when I m there
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Lennox KGA rooftop unit keeps tripping manual high pressure switch on stage 1? anyone similar problem?
I heard another tech say liquid temp is always 90 F for ac and 60 F refrigeration, is that just rule of thumb?
Is a electric heat gun acceptable method of heating refrigerate tank to extract remaining refrigerate good method or what is best, tired of warm water
is there any way to identify a rotary vane compressor from scrolls
can I use r22 gauges with r134a,r12,r502
can t figure out where to fill out site user profile,i go into my profile won t let me fill anything out.Any ideas?
should I be greasing o rings in my gauges regularly?
whats the difference between black and coloured refrigerate hoses?
is dx coil another word for evaporator coil?
when and where do I use inverted traps?
should my motor/compressor be drawing rla or fla?
whats the difference?
any opinions on maytag furnace and ac?
why sometimes on 24 volt transformer com goes to ground and sometimes does not
thankyou
for brazing copper with oxy/acet, do I wear cutting torch goggles or clear safety glasses ok