Service manual

11-2
CONTROL SYSTEM
SM HADDCI 1-A.2 GB
2. For S/W 370V and higher (For 467300225R Controller):
NLOAD Target Frequency [Hz]
00
0<NLOAD≤MinFreq MinFreq
>MinFreq
Definitions
Cool Heat
MinFreq MinFreqC MinFreqH
MaxFreq MaxFreqC MaxFreqH
LoadDeadZone LoadDeadZoneC LoadDeadZoneH
LoadDeadZone calculation
Refer to the following diagram for the above description:
11.1.3.3 Frequency Changes Control
Frequency change rate is 1 Hz/sec.
11.1.3.4 Compressor Starting Control
Frequency
Time
Min 10 Minutes
1
Minute
Step 1
Step 3
1
Minute
Step 2
MinFreqMinFreq}ne)LoadDeadZo(NLOAD,{min
MinFreqneLoadDeadZo
MinFreqMaxFreq
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