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Control Specification
SiUS041111
40
Function and Control
3.5
Input Current Control
Outline
The microcomputer calculates the input current during the compressor is running, and sets the
frequency upper limit from the input current.
In case of heat pump model, this control which is the upper limit control of the frequency takes
priority to the lower limit of control of four-way valve operation compensation.
Detail
Frequency control in each zone
Stop zone
After 2.5 seconds in this zone, the compressor is stopped.
Dropping zone
The upper limit of the compressor frequency is defined as operation frequency – 2 Hz.
After this, the output frequency is pulled down by 2 Hz every second until it reaches the keep
zone.
Keep zone
The present maximum frequency goes on.
Reset zone
Limit of the frequency is canceled.
09/12 class
15/18/24 class
Limitation of current dropping and stop value according to the outdoor temperature
The current drops when outdoor temperature becomes higher than a certain level (depending
on the model).
09 class
12 class
Cooling
Heating
Cooling
Heating
A (A)
14.0
14.0
B (A)
Normal mode
7.0
8.5
7.75
8.5
ECONO mode
2.75
2.75
C
(A)
Normal mode
6.25
7.75
7.0
7.75
ECONO mode
2.0
2.0
Cooling
Heating
A (A)
14.5
15.0
B (A)
11.5
12.0
C
(A)
10.5
11.0
Compressor Stop
Input current
Dropping Zone
Stop Zone
Keep Zone
Reset Zone
(R14723)
A
(A)
B
C
Содержание FTXN09KEVJU
Страница 9: ...SiUS041111 List of Functions 1 Part 1 List of Functions 1 Functions 2...
Страница 12: ...SiUS041111 4 Specifications Part 2 Specifications 1 Specifications 5 1 1 Cooling Only 5 1 2 Heat Pump 8...
Страница 139: ...SiUS041111 Indoor Unit 09 12 Class Removal Procedure 131 5 Remove the horizontal blade Step Procedure Points R11626...
Страница 243: ......