Protection Control
SiAF341904E
88
Part 4 Functions and Control
6.3 Discharge Pipe Protection Control
This discharge pipe protection control is used to protect the compressor internal temperature
against an error or transient increase of discharge pipe temperature.
The following control is performed for each compressor of single unit as well as multi units.
6.4 Compressor Body Protection Control
This compressor body protection control is used to protect the compressor internal temperature
against an error or transient increase of compressor body temperature.
The following control is performed for each compressor of single unit as well as multi units.
Inverter compressor
Normal operation
Discharge pipe temperature > 135°C
Discharge pipe
temperature < 95°C
Discharge pipe
temperature > 108°C
Reduce compressor capacity step
Discharge pipe temperature standby
When occurring 3 times within 100
minutes, the error code
F3
is output.
(Sub code - 01, 02, 03)
Inverter compressor
Normal operation
Compressor body temperature standby
Reduce compressor capacity step
Compressor body
temperature > 108°C
Compressor body
temperature > 135°C
When occurring 3 times within 100
minutes, the error code
F3
is output.
(Sub code - 20, 21, 22)
