Control Specification
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 the discharge pipe temperature from rising further.
Detail
★ The same value continues.
35
B˚C
C˚C
D˚C
Discharge pipe
temperature
Zone
Stop zone
Dropping zone
Keep zone
Up zone
Reset zone
50/60 class
A (ºC)
110
B (ºC)
103
C (ºC)
101.5
D (ºC)
100
E (ºC)
95
When the temperature reaches the stop zone, the compressor stops.
The upper limit of frequency decreases.
The upper limit of frequency is kept.
The upper limit of frequency increases.
The upper limit of frequency is canceled.
71 class
120
111
109
★
107
★
107
SiBE041029EB
Stop zone
A˚C
Dropping zone
Keep zone
Up zone
E˚C
Reset zone
(R14642)
Control
Function and Control