![background image](http://html1.mh-extra.com/html/daikin/erq-series/erq-series_service-manual_4704486049.webp)
ESiEN09-06 A
Protection Control
Function
39
4.4
Inverter Protection Control
Inverter current protection control and inverter fin temperature control are performed to prevent
tripping due to a malfunction, or transient inverter overcurrent, and fin temperature increase.
[Inverter overcurrent protection control]
[Inverter fin temperature control]
Tfin>84˚C
Fin temp. standby
Tfin<81˚C
INV upper limit rps = max
Under fin temperature
protection control
INV upper limit frequency: 1-step / 1 min up
from current compressor frequency Interval
Inverter fin temp.<81˚C continues
for 3 min. or more.
&
Tfin>84˚C
Tfin>93˚C
• When occurring 4 times within 60 min.,
the malfunction code “L4” is output.
Nomal operation
INV upper limit frequency: 1-step /
1 min down from current compressor
rps
Summary of Contents for ERQ Series
Page 2: ......
Page 16: ...Combination Table ESiEN09 06 A 6 General Information...
Page 17: ...ESiEN09 06 A Specifications 7 1 Specifications 8 1 1 Outdoor Units 8...
Page 33: ...ESiEN09 06 A Function general Function 23 1 2 Operation Mode...
Page 58: ...Outline of Control ESiEN09 06 A 48 Function...
Page 71: ...ESiEN09 06 A Wiring Diagram of Control Box Control Box EKEQ CBV3 61 3 2 F box...
Page 109: ...Test Operation ESiEN09 06 A 100 Test Operation 1 2 2 Turn power on...