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Mitsubishi Electric PURY-HP72 Service Handbook page 294

R410a
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[8-9 Troubleshooting Problems with Major Components on BC Controller ]
Self-diagnosis LED
G, GA, HA
(Standard
/ main)
For how to read the SW settings, refer to the following page(s). [9-1-1 How to Read the LED](page 325)
HWE13080
Measurement data
LEV1 opening
LEV2 opening
LEV3 opening
BC controller bypass
outlet superheat
BC controller intermediate
part subcool
BC controller liquid-side subcool
GB, HB
LEV3 opening
(Sub 1)
GB, HB
LEV3 opening
(Sub 2)
Symbol
SW4 setting value
1 2 3 4 5 6 7 8 9 10
ON
1 2 3 4 5 6 7 8 9 10
ON
1 2 3 4 5 6 7 8 9 10
ON
1 2 3 4 5 6 7 8 9 10
SH12
ON
1 2 3 4 5 6 7 8 9 10
SC16
ON
1 2 3 4 5 6 7 8 9 10
SC11
ON
1 2 3 4 5 6 7 8 9 10
ON
1 2 3 4 5 6 7 8 9 10
ON
- 283 -
GB

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