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