Daikin VRV Inverter K Series Manual page 243

SI-05C.BOOK Page 229 Monday, November 6, 2000 4:13 PM
SiE-05C
<In Case of Cooling
Oil is moved between inverter outdoor unit and standard outdoor unit 1 units by operating then
Only System> simultaneously.
When all three systems are operating, however, oil equalization is not executed because oil separation is
not carried out.
Operation conditions
&
A Time
Functions PLUS Series
2-system operation
At least 20 minutes has elapsed since completing start processing, and at least 20 minutes has
elapsed since oil return.
At least 28 minutes has elapsed since defrost completion.
&
At least 10 continuous minutes has elapsed since standard outdoor unit 1 started.
OR INV compressor oil temperature > Te+10˚C
&
At least 3 minutes has elapsed since inverter outdoor unit started.
At least A Time has elapsed by total operating time of standard outdoor unit 1 since completion of previous
oil equalization operation.
Compressor Outdoor unit fan
INV
P1 control H + ON
outdoor unit
STD
ON + OFF
H + ON
outdoor unit 1
STD
OFF H + ON
outdoor unit 2
16Hp 18Hp
Cooling 2 hours 2 hours
Solenoid valve Function unit's Discharge temp.
for oil discharge solenoid valve
of any unit > 125˚C
Low pressure
or low pressure < 1.5k
ON
protection control
Low pressure
ON
protection control
OFF Y7-ON
5 minutes elapse
Quit
normal control
20Hp 24Hp 26Hp
2 hours 2 hours 2 hours
: http://splitoff.ru/tehn-doc.html
Outline of Control
(k:kg/cm²)
Stop
Oil return
operation
Return to
(VF111)
28Hp 30Hp
2 hours 2 hours
229