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r290r600
Forum:
Geothermal & Heat Pumps
03-19-14, 06:13 PM
Replies:
13
pressure testing mini split wit argon instead of nitrogen
Views:
20,252
Posted By
jeff5may
It probably got cold overnight. If you had a...
It probably got cold overnight. If you had a leak, the pressure definitely would have dropped much more (like 20 PSI per hour). You should be OK to proceed.
Make sure and read the directions with...
Forum:
Geothermal & Heat Pumps
12-23-13, 09:33 AM
Replies:
32
R290 undercharge in 1 ton cap tube split sytem heat pump?
Views:
25,186
Posted By
mejunkhound
+1 plus, if you used bbq propane for R290,...
+1
plus, if you used bbq propane for R290, and the 410 system did have a cap tube, just the 10 ppm of water in bbq propane may be enough to freeze a slug of ice in the cap tube.
TXV will...
Forum:
Geothermal & Heat Pumps
12-23-13, 01:18 AM
Replies:
32
R290 undercharge in 1 ton cap tube split sytem heat pump?
Views:
25,186
Posted By
jeff5may
You can try to balance your system by adding...
You can try to balance your system by adding R290, but with a metering device made for R410, the system will never run at high efficiency unless you recharge it with R410a. The engineers put an...
Forum:
Geothermal & Heat Pumps
12-23-13, 01:10 AM
Replies:
32
R290 undercharge in 1 ton cap tube split sytem heat pump?
Views:
25,186
Posted By
AC_Hacker
I think that if you make major changes to the...
I think that if you make major changes to the volume of the system, it's just too complicated to charge by weight.
It's a lot nicer if you have a hi-side Schrader valve AND a lo-side Schrader...
Forum:
Geothermal & Heat Pumps
12-22-13, 10:47 PM
Replies:
32
R290 undercharge in 1 ton cap tube split sytem heat pump?
Views:
25,186
Posted By
NiHaoMike
Add a sight glass and a R22 TXV.
Add a sight glass and a R22 TXV.
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