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dazdidge
05-01-2017, 10:22 AM
I have a Panasonic CU-W50BBP8 outdoor unit that has fault code F41-02. I have traced the problem to a faulty hp switch, problem is the switch is no longer available and Panasonic have no alternative part. What I'm trying to find out is the pressure range of the switch so I can find a generic alternative. Anyone have any ideas please?
TIA

Daz

tim333
10-01-2017, 11:48 AM
Most r22s and r410as cut out at 62 degrees on the h/p gauge as far as ive ever seen.
Pressure temp chart shows r22 to be 340 psi @ 62 degrees on the gauge.
R410a temp chart shows 560 psi @ 62 degrees on the gauge.

Pretty sure its not unit specific as such. Most units on 22 or 410 shoild be cutting out around those pressures. Your local refrig store should have a r22 or 410 h/p switch which will be pretty close to those pressures to cut out at.
👍

dazdidge
15-01-2017, 08:13 AM
thanks very much Tim333, and sorry for not checking back sooner. The unit still isn't working, Panasonic have been no help at all but now I have that info I can stop by the trade counter tomorrow and pick one up.