Daikin D-Series User Manual

Protection Control Si18-525B
124 Function
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
Not limited
Limited
Inverter current >23.8A
Inverter current
Inverter current ≥ 24.9A
>23.8A
•Inverter current ≤ 23.8A
•
INV upper limit frequency
&
•10 sec.
•Matching of frequency
&
• When occurring 3 times within 60 min.,
the malfunction code "L8" is output.
• When occurring 3 times within 30 min.,
the malfunction code "L9" is output
INV upper limit frequency:
1-step down from current
compressor frequency
INV upper limit frequency:
1-step up from current
compressor frequency
Inverter current
standby
Inverter current ≤ 23.8A
continues for 3 min.
Status quo
Without conditions
(V3178)
Not limited
Limited
Tfin≥93˚C
Tfin≥93˚C
Tfin≥99˚C
Fin temp. standby
• Tfin≤90 ˚C
• INV upper limit frequency
&
• When occurring 3 times within 60 min.,
the malfunction code "L4" is output.
INV upper limit frequency:
1-step down from current
compressor frequency
• 10 sec.
• Macthing of frequency
&
Tfin≤90˚C
continues for 3 min.
INV upper limit frequency:
1-step up from current
compressor frequency
Status quo
Without conditions
(Q0377)

Daikin D-Series Specifications

General

HSPF Rating	Up to 10.0
Cooling Capacity	9, 000 - 36, 000 BTU/h
Heating Capacity	9, 000 - 36, 000 BTU/h
Energy Efficiency Ratio (EER)	Up to 12.5
Sound Level	19 - 50 dB (Indoor), 49 - 60 dB (Outdoor)
Noise Level	19 - 50 dB (Indoor), 49 - 60 dB (Outdoor)
Power Supply	208/230V, 1-phase, 60Hz