SiUS121827E Control Specification
Part 4 Functions and Control 109
4.5 Discharge Pipe Temperature Control
Outline The discharge pipe temperature is used as the internal temperature of the compressor. If the
discharge pipe temperature rises above a certain level, the upper limit of frequency is set to keep
the discharge pipe temperature from rising further.
Details
Zone Control
Stop zone When the temperature reaches the stop zone, the compressor stops.
Dropping zone The upper limit of frequency decreases.
Keep zone The upper limit of frequency is kept.
Reset zone The upper limit of frequency is canceled.
A 120°C (248°F)
B 111°C (231.8°F)
C 109°C (228.2°F)
D 107°C (224.6°F)
E 107°C (224.6°F)
Reset zone
Stop zone
Dropping
zone
Keep
zone
(R14266)
A
C
D
E
B
Discharge pipe
temperature
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