SiBE12-908
Control Specification
Function and Control
44
3.4.5 Compressor Protection Function
When turning the compressor from OFF to ON, the upper limit of frequency must be set as
follows. (The function must not be used when defrosting.)
3.5
Discharge Pipe Temperature Control
Outline
The discharge pipe temperature is used as the compressor's internal temperature. If the
discharge pipe temperature rises above a certain level, the operating frequency upper limit is
set to keep this temperature from going up further.
Detail
Divide the Zone
Management within the Zones
40 class 50 class
FCG 1
62
55
FCG 2
72
70
FCG 3
90
85
TCG 1
140
150
TCG 2
180
180
TCG 3
300
300
TCG1
TCG2
TCG3
(sec)
Time
Frequency
FCG3
FCG2
FCG1
(Hz)
40 class 50 class
A
110
110
B
103
103
C
102
102
D
101
100
E
97
95
Zone
Control contents
Stop zone
When the temperature reaches the stop zone, stop the compressor and
correct abnormality.
Drooping zone
Start the timer, and the frequency is drooping.
Keep zone
Keep the upper limit of frequency.
Return / Reset zone
Cancel the upper limit of frequency.
(R10341)
A°C
B°C
C°C
D°C
E°C
Stop
Drooping
Keep
Up
Return