SiBE06-708_A
Control Specification
Function and Control
48
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.
Drooping zone
The timer starts, and the frequency is drooping.
Keep zone
The upper limit of frequency is kept.
Up zone
The upper limit of frequency is increased.
Reset zone
The upper limit of frequency is canceled.
25/35 class
50 class
(ºC)
110
110
(ºC)
105
103
(ºC)
101
101.5
(ºC)
99
100
(ºC)
97
95
(R4270)
˚C
˚C
˚C
Discharge pipe
temperature
Stop zone
Drooping zone
Keep zone
Up zone
Reset zone
˚C
˚C
