Initial startup mode starts.
The compressor on the OC starts up.
F 60Hz
The total operating load of the indoor unit
after 5 minutes of operation is P250 or above.
(
*1
Qj 50)
The total operating load of the indoor unit after
5 minutes of operation is between P250 and P1000.
(50 <
*1
Qj< 200)
50 F 60Hz (OC, OS1, and OS2)
or F < 50Hz (OC, OS1, and OS2)
Completed in the integrated operation time of 35 minutes.
Completed in the integrated operation time of 90 minutes.
The compressor on the OS remains in operation, and the
compressors on the OS1 and OS2 start up.
50 F 60Hz (both OC and OS1)
or F < 50Hz (both OC and OS1)
Completed in the integrated operation time of 35 minutes.
Completed in the integrated operation time of 90 minutes.
The compressor on the OC remains in operation,
and the compressor on the OS1 starts up.
50 F 60Hz (OC)
or F < 50Hz (OC)
Completed in the integrated operation time of 35 minutes.
Completed in the integrated operation time of 90 minutes.
The compressor on the OC starts up.
The OC, OS1, and OS2 stop.
The startup sequence of the OC,
OS1, and OS2 is rotated.
(The startup sequence of the OC,
OS1 and OS2 is changed.)
The OC, OS1, and OS2 stop.
The startup sequence of the OC, OS1,
and OS2 is rotated.
(The startup sequence of the OC,
OS1 and OS2 is changed.)
The OC, OS1, and OS2 stop.
The startup sequence of the OC,
OS1, and OS2 is rotated.
(The startup sequence of the OC,
OS1 and OS2 is changed.)
50 F 60Hz (OS1)
or F < 50Hz (OS1)
Completed in the integrated operation time of 35 minutes.
Completed in the integrated operation time of 90 minutes.
The compressor on the OS1 starts up.
50 F 60Hz (OS2)
or F < 50Hz (OS2)
Completed in the integrated operation time of 35 minutes.
Completed in the integrated operation time of 90 minutes.
The compressor on the OS2 starts up.
*2
*3
*4
*5
Yes
No
No
Yes
Initial startup mode complete
50 F 60Hz (both OS1 and OS2)
Completed in the integrated operation time of 35 minutes.
Completed in the integrated operation time of 90 minutes.
The compressor on the OS1 remains in operation,
and the compressor on the OS2 starts up.
or F < 50Hz (both OS1 and OS2)
*2
The air conditioning load is
too small for the OC, OS1,
and OS2 to simultaneously
stay in operation.
*3
The air conditioning load is
too small for both OC and
OS1, or OS1 and OS2 to
simultaneously stay in
operation.
*4
The air conditioning load is
high enough for OC, OS1
and OS2 to simultaneously
stay in operation.
*5
The air conditioning load is
high enough for both OC
and OS1, or OS1 and OS2
to simultaneously stay in
operation.
or the discharge superheat (TH4 - Tc) is detected (within
5 minutes of startup) that remains above approximately
25 degrees for one minute .
or the discharge superheat (TH4 - Tc) is detected
(within 5 minutes of startup) that remains above
approximately 25 degrees for one minute .
or the discharge superheat (TH4 - Tc) is detected
(within 5 minutes of startup) that remains above
approximately 25 degrees for one minute .
or the discharge superheat (TH4 - Tc) is
detected (within 5 minutes of startup) that
remains above approximately 25 degrees for
one minute .
or the discharge superheat (TH4 - Tc) is
detected (within 5 minutes of startup) that
remains above approximately 25 degrees for
one minute .
or the discharge superheat (TH4 - Tc) is
detected (within 5 minutes of startup) that
remains above approximately 25 degrees for
one minute .
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