Daikin RTSQ10PY1, Service Manual

Page: 112 / 226

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INV compressor (see *2):
3 steps down per 10 sec.
INV compressor (see *2):
1 step up per 15 sec.
• Pe < 0.13MPa
• A lapse of 10 sec.
&
• Pe < 0.13MPa
• A lapse of 10 sec.
• Pe < 0.13MPa
• A lapse of 10 sec.
&
• Pe < 0.17MPa
• A lapse of 10 sec.
• Pe > 0.20MPa
• A lapse of 15 sec.
&
&
&
&
Pe < 0.17
MPa
Pe < 0.12MPa
Pe < 0.07MPa
Normal operation
STD compressor 2:
OFF
STD compressor 1:
OFF
INV compressor:
52 Hz
Hot gas solenoid valve (Y1S):
ON
Restart standby
(3 times per 60 min. at maximum)
Stop due to malfunction
(E4 displayed)
Pe > 0.17MPa
Low pressure standby occurs
4 times in a period of 60 min.
Pe: Value detected by the low
pressure sensor by each
outdoor unit.
*2 : For INV compressor steps,
refer to information on
page 91 and 92.
• Pe > 0.23MPa
• Compressor step = Max. step