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thermostats and heating elements thermo's must go from 0 to 500 f and heating elements are 240 v 450 watt

Im in the commercial restaurant equipment resale biz, im trying to find the best place for parts in the country im trying re condition a duke steam well and parts were about 900.00 help.

hey, if i close the the suction side on a hermetic compressor and let pull down and shut it off, it shouldn't bleed back correct ive heard two sides of this

ok, what is the best way to check hermetic compressors to find if the valves are good or not. i always pinch off the suction valve and let it pull into a vacumme and shut it off, ok im told it...

i do a lot of commercial refrigeration repaire for resale i come in touch with a lot of stopped up or wrong sized capillary tubes i use a chart for hp of compressor and temp range and have success...

in my parts catalogs when looking for thermostats theres so many different ranges i under stand cold in and out but what about warm in and out and normal on and off not sure what that means it gets...

i have a deli case dual evaporator operates on a pressure switch its using 134a i have it cutting out at 17 psi and cutting back in at 30psi its holding a box temp of 40 degrees have four defrost...

have a split a/c unit for a dry storage room the air handler is a1.5 ton 9 seer and the condensor is 2 ton 10 seer someone installed this and the suction stays in the 50's so ive got ice biuld up...

im on the verge of enlightment gentleman

thx for the sheet, im still trying to figure it out, i geuss my reall question is, ok example have a 1/2 hp 134a compressor 4600 btu @ 45 evap, can i use this in a unit that reqiures 3200 btu @ 20...

i work for a company doing restaraunt eqiupment referb, when im changing compressors, for example i have a true display reach in, neede a new compressor it was an r-12, i had a 134a comp. same h.p...

have a old pizza make table in good shape, its been modified a bit, origanally a 502 system with two evaps, one for upper deck ( condiment compartment) and lower box for storage med. temp. theres a...

as stated before this particular box is twin evap, no evap fans, upper display case & a lower consealed case. top is at 35, bottom box 27 f, sh is at 35 all the way, unless my temp probe is bad,...

well they were not the owners were not interested in having me install a epr for the lower box, i adjusted thermostat to hold the display case on top at 35 and the lower none visible box was at 27...

im not familiar with an epr valve but would like to hear more about it. the way it is now is evrything piped together, one thermostat the bottom is a insulated none visible box as the top is totaly...

yes it is a deli case i removed the coiled copper and repiped it in, its dual evap natual convection a 134a system. question with a wieghed in charge seems to cool good two different compartments...

what should super heat on a 134a reach in box be ? i re did one this week new compressor new drier twin evap and its a natural convection deli display case box temp was at 38 my sh was 35 is this...

ive worked those accutemp boxes once had problems with achieving vaccume i landed up finding a accutemp vendor in the area and gave me a new seal kit and replace the seals worked great ever since

thx for the input only reason i asked was that particular unit came from south america and had been changed from factory specs it also had a nice convient side access panel were everything was...

in reach in boxes were the condensor is sitting on the bottom the suction pipe is coiled up so u can slide unit out for service with out bending the line. my question is can that be shortend by...

on reach in refrigeration boxes with a charge of 8 oz of 134a a wieghed in amount is always important to check super heat on a cap tube system if my pressures didnt look to wierd and seemed to be...

so what was the out come with 134 a pressures ?

Ive always just weighed it in according the manufactures specs but assually ide say 15 psi on suction and 125 to 150 on high side but ive always wonderd about exact pressures my self