Flow chart of initial operation mode
Start of initial operation mode
Step 1
P200
P250~P400
P450~P650
• Operation of only No.1 compressor
Exception : completed if discharge super heat reaches above 25˚C within
5 minutes of start up.
:
:
:
Step 3
• Forced operation of only No.2 compressor
• Completed in the integrated operation time of 5 minutes
Completion of initial operation
f 50Hz and completed in the continuous integrated operation time
of 20 minutes or the integrated time of 90 minutes.
f 60Hz and completed in the continuous integrated operation time
of 20 minutes or the integrated time of 90 minutes.
For the first 30minutes f 60Hz, 30minutes and on f 85Hz.
No.2 compressor not in operation.
Completed in the integrated operation time of 40 minutes.
P450~P650 types
P200~P400 type
- 96 -
SV5b
ON
SV5a
ON
SV4d
OFF
SV4c
Solenoid valve
ON
SV4b
ON
SV4a
ON
Operation
pattern
1
Operation
mode
Cooling
only
Heating only
Defrosting
Cooling
main
Heating
main
Note 1 : 21S4b and 21S4c are not energized during cooling cycle and energized during heating cycle.
Note 2 : SV5a and SV5b are not energized when it is open and energized when it is closed.
OFF
OFF
OFF
ON
ON
ON
2
OFF
OFF
OFF
ON
ON
OFF
3
OFF
OFF
OFF
OFF
ON
OFF
4
OFF
OFF
OFF
ON
OFF
OFF
5
OFF
OFF
OFF
OFF
OFF
OFF
6
ON
ON
OFF
ON
ON
ON
1
OFF
OFF
OFF
ON
ON
ON
2
OFF
OFF
OFF
ON
ON
OFF
3
OFF
OFF
OFF
OFF
ON
OFF
4
OFF
OFF
OFF
ON
OFF
OFF
5
OFF
OFF
OFF
OFF
OFF
OFF
6
OFF
OFF
ON
OFF
OFF
OFF
8
ON
ON
OFF
ON
ON
ON
1
ON
ON
OFF
ON
ON
ON
1
OFF
OFF
OFF
ON
ON
ON
2
OFF
OFF
ON
ON
ON
ON
7
OFF
OFF
ON
OFF
OFF
OFF
8
ON
ON
OFF
ON
ON
ON
1
SV4d
OFF
SV4c
Solenoid valve
ON
SV4b
ON
SV4a
ON
Operation
pattern
1
Operation
mode
Cooling
only
Heating only
Defrosting
Cooling
main
Heating
main
OFF
ON
ON
ON
2
OFF
ON
ON
OFF
3
OFF
OFF
ON
OFF
4
OFF
ON
OFF
OFF
5
OFF
OFF
OFF
OFF
6
OFF
ON
ON
ON
1
OFF
ON
ON
ON
2
OFF
ON
ON
OFF
3
OFF
OFF
ON
OFF
4
OFF
ON
OFF
OFF
5
OFF
OFF
OFF
OFF
6
ON
OFF
OFF
OFF
8
OFF
ON
ON
ON
1
OFF
ON
ON
ON
1
OFF
ON
ON
ON
2
ON
ON
ON
ON
7
ON
OFF
OFF
OFF
8
OFF
ON
ON
ON
1
[P450-P650types]
[P200-P400types]
8. Control at initial startup
• If the unit is started within 2 hours of power on when the outdoor temperature is below a certain degree
(below 5˚C for cooling operation and below -5˚C for heating operation), the unit will be on the stand-by mode
and will not start for 30 minutes after power on. (P200 type only)
• When the unit is started for the first time, it will run the following course of operation.
(3) Patterns of outdoor unit heat exchanger capacity control
