Temporary Operation; Discharge Temperature Control - Toshiba RAS-15EKCV-UL Service Manual

Item
8. Temporary Pressing [RESET] button starts the temporary opera-
operation tion 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
Switch to [AUTO RESTART] control.

9. Discharge temperature control

Td value
Judges as an error and stops the compressor.
243°F (117°C)
Reduce the compressor speed.
233°F (112°C)
Reduce slowly compressor speed.
226°F (108°C)
Keeps the compressor speed.
221°F (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.
208°F (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.
– 34 –
FILE NO. SVM-13074
Description