Mitsubishi Electric PUHY-HP200 Service Handbook page 99

[ VII Control ]
-11- Control at Initial Start-up
When started up for the first time before 12 hours have elapsed after power on, the unit goes into the initial startup mode.
At the completion of the initial operation mode on the OC, OS, they will go into the normal control mode.
1. Flowchart of initial operation
(1) HP200, HP250 models
(2) HP400, HP500 models
The compressor on the OC starts up.
F
The total operating load of the indoor unit
after 5 minutes of operation is P250 or above.
The compressor on the OC remains in operation, and the
compressor on the OS starts up.
50 F
Completed in the integrated operation time of 35 minutes.
or F < 50Hz (both OC and OS)
Completed in the integrated operation time of 90 minutes.
*1 Qj:Total capacity (models) code
Refer to the VII [1] 2. (1) Dipswitches for the capacity code.(page 80)
HWE08110
Initial startup mode starts.
50 F 60Hz
Completed in the integrated operation time of 35 minutes.
or F < 50Hz
Completed in the integrated operation time of 90 minutes.
Initial startup mode complete
Initial startup mode starts.
60Hz
(*1 Qj 50)
Yes
60Hz (both OC and OS)
Initial startup mode complete
No
The compressor on the OC starts up.
*2
50 F 60Hz (OC)
Completed in the integrated operation time of 35 minutes.
or F < 50Hz (OC)
Completed in the integrated operation time of 90 minutes.
*3
Both the OC and OS stop.
The startup sequence of the OC and OS is rotated.
The compressor on the OS starts up.
50 F 60Hz (OS)
Completed in the integrated operation time of 35 minutes.
or F < 50Hz (OS)
Completed in the integrated operation time of 90 minutes.
*2
The air conditioning load is too small
for both the OC and the OS to
simultaneously stay in operation.
*3
The air conditioning load is
high enough for both OC and OS to
simultaneously stay in operation.
- 90 - GB