Discharge Pipe Temperature Control - Daikin C-Series Service Manual

SiBE07-618_C
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 this temperature from going up further.
Detail
Function and Control
(Hz)
Frequency
FCG3
FCG2
FCG1
˚C
˚C
˚C
Discharge pipe
temperature
Zone
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.
(°C) 110
(°C) 103
(°C) 101.5
(°C) 100
(°C) 95
TCG1 TCG2 TCG3
FCG 1 55
FCG 2 70
FCG 3 85
TCG 1 120
TCG 2 200
TCG 3 470
Control Specification
(Sec.)
Time
(R10540)
Hz
seconds
Stop zone
˚C
Drooping zone
Keep zone
Up zone
˚C
Reset zone
(R12014)
Control
33