Control Specification
SiBE121135
112
Function and Control
4.3.5 Compressor Protection Function
When turning the compressor from OFF to ON, the upper limit of frequency is set as follows.
(The function is not used when defrosting.)
4.4
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
40/50/52/58
class
68/75/80/90
class
A
(Hz)
55
55
B
(Hz)
70
65
C
(Hz)
85
80
D
(seconds)
150 ~ 240
120
E
(seconds)
180
200
F
(seconds)
300
470
A
D
E
F
B
C
(R13528)
(Hz)
Frequency
(sec.)
Time
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.
68/75/80/90 class
120
111
109
107
107
40/50/52/58 class
110
103
102
100
95
A
(˚C)
B
(˚C)
C
(˚C)
D
(˚C)
E
(˚C)
Reset zone
Stop zone
Dropping
zone
Keep
zone
(R14266)
A
C
D
E
B
Discharge pipe
temperature
