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no service valves to pump down,,,How can u tell if comp is weak..
134a
High side=150
Low side=45
S/C 4
S/h 5
Amp draw 10
CAN NOT CLEAR SITE GLASS

Recovered system and changed...

Do you charge a cooler with a receiver by s/c or clear site glass and use a small torch to ck amount in receiver......Thanx in advance

was gonna recover,triple evac,then re-charge but I mite as will chg txv while i am in there....let ya knoe 2marrow thanx guys::CU:

went back today and ck'd....bin full of ice however....Head was still @ 350 psi and suction @ 40 psi ( 10'). Im still leaning toward TXV presure drops when you wrap your hand on it...my question is...

begin suction 43psi end suction 23psi. water reg wide open.
head pressure 350psi

tnbass: in freeze suction temp is 10 degrees and falls to -10 degrees at end of freeze.

Harvest issues,Error # 3=longer then 15 sec below 85 ' in harvest...

Clean evap. and for the age of the machine fairly clean..now for the vitals
S# 970361862

Water cooled

Freeze...

thanks for all the responses guys.....were gonna bill'm

-5' on the roof...building owner says they worked last year..well ok ,get my latter out ,up on the roof we go..on the roof....MAN its cold up here....hum 2 lennox..well I will start on this...

fan cycling...........Bottle presure above cond presure..... But if you GENTLY chg liquid to suct side shouldnt it chg ????????

Wine cooler cond. o/d unit....Ambient temp @ zero to - 10

got to cold gave up.....trying to clear site glass......any advise:eek2::eek2:

thanks JP, you sound like a hvac vet ;) I have only been @ it a short time but got a heart 4 it....sometimes not the paitence for it...I fought it for 4 hours today in the rain....again thanks. I...

JP.....presure drop...how do you ck presure drop.....no valves....ck temp.

92 icp package unit.....indoor temp 70.....out door temp74.......suction 60psi(32') super heat -4' head is controled by fan cycle switch 225-275....sub cooling 11'
i cleaned evap several times w...

how do you feel you got taken??????the service guy is always thee bad guy because your system failed......geuss what? its gonna fail again....all system failures are not "for seeable" while @...

bottom vent mite be to cir air from freezer.....make sure evap. is clear if not cycle timer to go into defrost..if defrost element wont heat up hit defrost term stat with a blast of r-22 and that...

thanks....now thats something to chew on

sorta like a metering device...and why only low temp

ok lite see if I can b more clear......it seems to me if you install a 3/8 site glass in a small system in takes more freon to clear glass and over charging system. Man you guys are Rough on the...

2 door MCCALL reach in refer. R-22 liq. line 1/4 out of rec....now is there a diff. in a 1/4 (tubing) site glass and lets say 3/8 site glass for this curtain reach in

thanx.....badbillr

once set should have to adjust

I WORK ON A COUPLE PIZZA MAKE READY TABLES WITH DUAL EVAP.....TOP ONE IS FLOODED AND CONTROLED WITH A PRESURE SWITCH AND BOTTOM EVAP IS CONTROLED WTH A T-STAT....ALWAYS WONDERED HOW PRESURE SWITCH...

Ionly see these on low temp freezers....how do they reg. the suction presure?

:nopity:

wichita ks one day 12 calls around end of june and then hit & miss......alot of high head pres. when its 125 on a roof :LOL:

suction @ 0* s/h 45* @ comp,.......head 100* s/c 3*
Freeze time extremly long.harvest o.k. soo evac system,,pull pot...measure oil,,,get correct oil amount from whs..add oil to...

I have looked several times for this group... am i retarded or what????i can find tools & testing but noooo tips & tricks...I have read from the group before ....not a pro yet ....what gives

COMMENTS pleeeez

Guess Ill have to learn to scan and send my anti-hack lic and become a big boy {pro}:LOL:

Wasnt there a groups called tips and tricks of the trade??????

thanx JP

Hotdog$1.50
Ball Game Tickets $15.00
HVAC-TALK members.....PRICELESS:bump:

HVAC-TALK MEMBERS Thanx for now and the future...and for the record....I am not cert in spelling:LOL:

30 min thread responce time AWSOME!!!!!......Is the length a issue

compressor discharge to evap drain pan ....discharge line has 2 coils in evap pan which are shot......can I bypass this .....make one...or order one OEM

Just breaks line voltage......Really a nice stat (when they work):nopity:

thanxxxxx

Salad bar...404 set up....Not cooling...Fairly new...cycled settings on t-stat.......setting are ..set pt,,diff,,c,,f,,and c1 or h1.....system was in c1(cool 1) switch to h1 and system...

you have nerve calling your customer a chump!!!!!!!!!!!!!!!!!!!!!!!!
Tech like YOU....THAT give HONEST techs a bad name..........Remember they TRUST...