Daikin VRV Inverter K Series Manual page 139

SI-05C.BOOK Page 125 Monday, November 6, 2000 4:13 PM
SiE-05C
Troubleshooting Inverter K Series
Cooling operation
∗18
Start control in progress?
NO
Oil equalization in progress?
NO
∗19
Compressor
protection operation
in progress?
NO
∗22
Low temperature
protection operation in
progress?
NO
Inverter compressor magnetic
K1M
contactor
Inverter output frequency 30~116 Hz by PI
control ∗20
INV
ON/OFF by PI
Standard compressor
magnetic contactor K2M control
Y1E
Electronic expansion
valve
Solenoid valve (hot gas)
OFF
Y2S
Y3S
Solenoid valve (injection)
ON/OFF by discharge temperature protection control
∗21
Y4S
4-way valve Y1R
M1F H
Fan
Fan M2F ON
YES
YES
YES
YES
ON
30~116 Hz by PI and
38 Hz
30~116 Hz
protective control
ON/OFF by PI and
OFF
protective control
Open
ON/OFF by
saturation
OFF
temperature
corresponding to
suction pressure
OFF
∗22
B
: http://splitoff.ru/tehn-doc.html
Operation Flowcharts
42 Hz
ON OFF
ON
ON
H
ON
(VF027)
125