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Thread: mitsubishi pury
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16-03-2016, 07:09 AM #1
mitsubishi pury
I have 2 Mitsubishi pury p 400`s connected together freezing up. Master unit runs okay but pipework freezes up, slave unit the accumulator is a block of ice and pipework freezes up.
Have tried added refrigerant but compressor on slave locks up with liquid.
Any ideas
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16-03-2016, 08:01 AM #2
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Re: mitsubishi pury
You should recover all refrigerant from both units and weigh in correct amount. Than you can proceed with your troubleshooting further!
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17-03-2016, 04:21 PM #3
Re: mitsubishi pury
have taken out 69 kg of r410a which is the amount stated on data badge.
acc inlet temperature on slave is -5.7c
acc inlet temperature on master is 19.7c
heat exchanger temp on slave is 15.6c
heat exchanger temp on master is -2.9
seems opposite to each other
mitsubishi says low on refrigerant not sure myself now, could problem be reversing valve?
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17-03-2016, 04:25 PM #4
Re: mitsubishi pury
acc inlet temp on slave -5.7 on master 19.7
heat exchanger temp on slave 15.6 on master -2.9
mitsubishi says low on refrigerant because h/p 13.6 and l/p 2.3 on both units
could problem be reversing vallve on slave unit?
any suggestions gratefully received