Dain Pump Control; Over Flow Check Control; After-Heat Elimination - Toshiba RAS-M10SMUV-E Service Manual

Item
4. Dain pump In cooling, and dry operation, drain pump is actuated to
control drain up.
<Operation control>
Drain pump
Compressor
Indoor fan
5. Over flow check Drain level is checked by float switch. If the float switch
control is actuated (OPEN), stop operation of the outdoor unit
and operate the drain pump exert to drain out.
In fan only (Cooling only model), heating operation
(Heat pump model only), and even in stoppage but while
float switch is actuated, drain pump is ON (Operation).
<Over flow check and control>
Drain pump
Float switch
Compressor
Indoor fan
6. After-heat When heating operation stops, the indoor fan operates
elimination with LOW mode for approx. 30 seconds.
Operation flow and applicable data, etc.
ON Thermo OFF
ON
ON
ON
Operation starts at overflowing
Operation starts
ON
OPEN
OFF
ON
Compressor stops.
Drain pump continues operation.
1) During cooling, or drying operation:
2) When stopping cooling or dry
Thermo ON
OFF ON
1) If the float switch is not reset (closed)
2) When the float switch is reset, the
Overflow detection durling operation
Overflow detection
ON
*
CLOSE
ON
ON
– 29 –
Description
Drain pump ON. (Includes period
during thermo-OFF)
operation, the drain pump also stops.
OFF
within 2 minutes 30 seconds, the
operation lamp flashes. (5Hz)
following phenomena appear.
• The operation lamp stops flashing
and keeps lighting.
• The outdoor unit is reactivated 2
minutes and 30 seconds after.
Overflow stops
ON
2'30"
1
OPEN CLOSE
OFF
2'30"
* 2
ON