Current Release Control - Toshiba RAS-B05E2KVG-E Service Manual

Item
5. Current release This function prevents troubles on the electronic parts of the
control 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.
Outdoor unit inverter main
circuit control current
Operating current ≤
Setup value
Low
Capacity control continues.
Mode Outdoor temperature: To (°C)
To ≥ 45
Cooling
45 > To  40
To ≥ 16
To < 40
16 > To ≥ 11
Heating
To < 11
Operation flow and applicable data, etc.
Outdoor temp. To
Setup of current release point
High
Reduce compressor speed
Current decrease
05k
5.4
3.6
5.8
5.2
6.2
4.3
07k 10k
Current Release Value (A)
5.4
5.8
7.2
4.8
7.5
6.2
5.6
5.6 7.1
8.0
5.1 6.2
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Description
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.
13k 16k
7.2 6.5
7.5 6.5
6.8 8.5
8.8
7.3
8.0
6.6
8.6
8.4
18k
6.5
6.5
8.5
8.8
8.6
8.4