Daikin VRV Inverter K Series Manual page 260

SI-05C.BOOK Page 246 Monday, November 6, 2000 4:13 PM
Outline of Control
When Heating
When Heating
Control IN conditions &
Step 1
INV outdoor
0 Hz + OFF
unit
STD outdoor
ON + OFF
unit 1
STD outdoor
ON + OFF
unit 2
Step 2
INV outdoor
0 Hz + OFF
unit
STD outdoor
unit 1
STD outdoor
unit 2
: Heat exchange temp.
Defrost
of any unit < -10˚C.
Oil return / defrost
step 1
INV outdoor
0 Hz + OFF
unit
STD outdoor
ON + OFF
unit 1
STD outdoor
ON + OFF
unit 2
step 2
INV outdoor
0 Hz + OFF
unit
STD outdoor
unit 1
STD outdoor
unit 2
HPS operation for either STD outdoor unit 1 or 2 → Fixed to L tap by thermostat ON unit only.
246
Emergency operation setting
Outdoor temperature detected to be above -5˚C
for STD outdoor unit 1
: Operates No. 1 compressors only of STD outdoor unit 1 and 2.
Comp- Outdoor Outdoor
ressor unit fan unit EEV
H + ON 0 PLS
H + ON SH control
H + ON SH control
5 minutes elapse
: Operates all compressors of STD outdoor unit 1 and 2.
Comp- Outdoor Outdoor
ressor unit fan unit EEV
H + ON 0 PLS
ON + ON H + ON SH control
ON + ON H + ON SH control
: Compressors operate total
Oil return
of 70 min. following previous oil
return.
:Operates by executing oil return for STD outdoor unit 1 and 2.
Comp- Outdoor Outdoor
ressor unit fan unit EEV
H + ON 0 PLS
H + ON 2000 PLS
H + ON 2000 PLS
30 seconds elapse
Comp- Outdoor Outdoor
ressor unit fan unit EEV
H + ON 0 PLS
ON + ON H + ON 2000 PLS
ON + ON H + ON 2000 PLS
Either malfunction, retry or outdoor temp.< -10˚C
Quit
Indoor unit fan control
Aperture of solenoid valves is fixed
for indoor units in this mode.
Hot gas bypass
ON
OFF
OFF
Any unit executing
HPS operation
Hot gas bypass
ON
OFF
OFF
Hot gas bypass
OFF
3 minutes 30 seconds elapse.
ON
ON
Hot gas bypass Injection
OFF OFF
ON ON
ON ON
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SiE-05C
(VF125)
Functions PLUS Series