Temporary Operation; Discharge Temperature Control - Toshiba RAS-22N3KV2-A Service Manual

Item
Pressing [RESET] button starts the temporary
10. Temporary
operation operation of [AUTO] operation. When keeping
[RESET] button pressed for 10 seconds or more, the
temporary [COOL] operation is performed.
Filter lamp ON
NO
Did you press [RESET] button
for 3 seconds or more?
YES
Did you press [RESET] button
for 10 seconds or more?
NO
Set or Reset to [AUTO RESTART] .

11. Discharge temperature control

Td value
Judges as an error and stops the compressor.
117°C
Reduce the compressor speed.
112°C
Reduce slowly compressor speed.
108°C
Keeps the compressor speed.
105°C
If the operation is performed with lower speed than one
commanded by the serial signal, speed is slowly raised
up to the commanded speed.
98°C
Operates with speed commanded by the serial signal.
Operation flow and applicable data, etc.
YES
Press RESET button.
NO
Temporary [AUTO] operation
YES
Temporary [COOL] Operation
Control operation
1) When pressing [RESET] button, the
temporary [AUTO] operation starts.
2) When keeping [RESET] button pressed for
3 seconds or more, Pi, Pi, Pi sound is
heard and [AUTO RESTART] control is
changed.
3) When keeping [RESET] button pressed for
10 seconds or more, "Pi" sound is heard
and the temporary [COOL] operation
starts.
4) If the filter lamp goes on, press [RESET]
button to go off the filter lamp, and then
press [RESET] button again.
5) To stop the temporary operation, press the
button again.
1. Purpose
This function detects error on the
refrigerating cycle or error on the com-
pressor, and performs protective control.
2. Operation
• Control of the compressor speed
The speed control is performed as
described in the left table based upon
the discharge temperature.
35
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FILE NO. SVM-13003
Description