SiBE041012_B
Control Specification
Function and Control
49
3.3.4 3-minute Standby
Turning on the compressor is prohibited for 3 minutes after turning it off.
(Except when defrosting.)
3.3.5 Compressor Protection Function
When turning the compressor from OFF to ON, the upper limit of frequency is set as follows.
(The function is not activated when defrosting.)
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
25/35 class
50 class
A
(Hz)
48
55
B
(Hz)
64
70
C
(Hz)
88
85
D
(seconds)
240
120
E
(seconds)
360
200
F
(seconds)
180
470
(sec.)
Time
(R13528)
(Hz)
Frequency
C
B
D
E
F
A
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
