Daikin VRV Inverter K Series - Page 245

SiE-05C Outline of Control
Functions PLUS Series 231
Operation conditions
B Time
&
Completion of Step 1
2-system operation
OR
At least 10 continuous minutes has elapsed since the STD outdoor unit 1
compressor started.
&
Oil temp. of INV unit STD compressor > Te+10˚C
At least 3 continuous minutes has elapsed since STD outdoor unit 1
started.
Step 1 complete
Compressor
54 + OFF
ON + OFF
OFF
INV
outdoor unit
STD
outdoor unit 1
STD
outdoor unit 2
Outdoor unit fan Outdoor unit EEV
Solenoid valve
for oil discharge
Hot gas bypass
H + ON 0 PLS OFF
Low pressure
protection control
H + ON 1000PLS ON
Low pressure
protection control
H + ON 0 PLS OFF ON
Tc > 55˚C
5 minutes elapse
Step 2 complete
Stop
Oil return
operation
Return to
normal control
Step 2 : Oil collected in STD outdoor unit 1 is returned to INV outdoor unit.
(VF113)
16Hp 18Hp 20Hp 24Hp 26Hp 28Hp 30Hp
Heating 5 times
SI-05C.BOOK Page 231 Monday, November 6, 2000 4:13 PM
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