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Item
4. Capacity
control
Operation flow and applicable data, etc.
Description
1) Indoor unit A and Indoor unit B
determine the respective
instruction revolutions from the
difference between the remote
controller setting temperature
(Ts) and the indoor temperature
(Ta), and transmit this to the
outdoor unit.
2) The outdoor unit receives the
instructions from the indoor
units, and the inverter operates
the compressor at the calculated
revolutions.
3) The compressor operation range
in each operating mode is shown
in the left table.
This function prevents troubles on the electronic parts of
the compressor driving inverter.
This function also controls drive circuit of the compressor
speed so that electric power of the compressor drive circuit
does not exceed the specified value.
1) The input current of the outdoor
unit is detected in the inverter
section of the outdoor unit.
2) According to the detected
outdoor temperature, the
specified value of the current is
selected.
3) Whether the current value
exceeds the specified value or
not is judged.
4) If the current value exceeds the
specified value, this function
reduces the compressor speed
and controls speed up to the
closest one commanded from
the indoor unit within the range
which does not exceed the
specified value.
5. Current release
control
Outdoor temp. To
Setup of current release point
Capacity control continues.
Outdoor temp.
40˚C
7.5A
12.0A
10.1A
10.3A
10.5A
16˚C
39˚C
11˚C
15.5˚C
10.5˚C
Cooling current 
release value
Heating current 
release value
Current decrease
Outdoor unit inverter main
circuit control current
High
Low
Reduce compressor speed
Operating current 
Setup value
Outdoor unit
Operation
mode
No.of 
operating unit
Combination of
indoor units
Compressor 
revolution (rps)
M18EAV-E
M18EACV-E
Cooling
1 unit
10
13 to 45
13
13 to 71
16
13 to 79
2 units
1 unit
2 units
1 unit
2 units
1 unit
2 units
10
10
15 to 83
13
10
15 to 83
13
13
15 to 83
16
10
15 to 83
M18EAV-E
Heating
10
13 to 76
13
13 to 99
16
13 to 102
10
10
15 to 120
13
10
15 to 120
13
13
15 to 120
16
10
15 to 120
M14EAV-E
M14EACV-E
Cooling
10
13 to 56
13
13 to 74
10
10
18 to 74
13
10
18 to 75
M14EAV-E
Heating
10
13 to 75
13
13 to 80
10
10
16 to 84
13
10
16 to 85
Indoor Unit A
Indoor Unit A
In
Outdoor unit
verter
Compressor