Control Specification
SiBE041012_A
39
Function and Control
3.4
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 this temperature from going up further.
Detail
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.
Up zone
The upper limit of frequency increases.
Reset zone
The upper limit of frequency is canceled.
25/35 class
50 class
A
(°C)
110
110
B
(°C)
105
103
C
(°C)
101
101.5
D
(°C)
99
100
E
(°C)
97
95
(R14642)
Discharge pipe
temperature
Stop zone
Dropping zone
Keep zone
Up zone
Reset zone
E
˚C
A
˚C
B
˚C
C
˚C
D
˚C