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are mode, set temperature, swing louver's position, and the fan speed. When power supply
resumes or the system is switched on again, the same operations as previously set will
function.
10．MANUAL OPERATION BUTTON
•
On the unit front panel next to the LED lights is the reset button. Press it once and unit will
operate according to auto mode.
11. DRAIN PUMP
Drain pump turns on if thermostat cut in during cooling or dehumidification cooling cycle. It will
remain on for at least 5 minutes after thermostat cut out. During mode change from cooling to
non cooling mode, water pump will on for minimum 5 minutes.
Warning! If turn off the system by circuit breaker (or main power supply) the drain pump does not
work after turn off.
11.1 FLOAT SWITCH
Float-switch open before turning on.
If float switch (N/C) is opened before the unit is turned on. MTV1 is off. Drain pump and indoor
fan will operate. After float switch is closed, MTV1 is on.
Float switch is opened, when unit is on.
If float switch is opened continuously
float switch is closed, the drain pump will run for additional 5 minutes. If the float switch is opened
for 10 minutes continuously, MTV1 will remain off. Indoor fan runs at set speed and system report
error.
Float switch is opened, when unit is off.
If the float switch is opened, the drain pump will work. When the float switch is closed, the drain
pump will run for additional 5 minutes. If the float switch is opened for 10 minutes continuously,
system report error.
12. ELECTRIC HEATER SAFETY SWITCH
Before the electrical heater is turned on, the EH safety switch must be closed. If this contact is
opened continuously
contact is returned to close position
Should EH safety switch be opened
anymore. Turn off the unit to reset the fault provided that the switch has returned to close
position.
SAKURA - Total Air Conditioning Solution
≧
5sec, drain pump will work and MTV1 cut off. When
≧
1sec, heater must be cut off immediately and report error. Once the
≧
60sec, reset the error and he
≧
3 times within 60 minutes, heater is not allowed to cut in
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ater is allowed to cut in again.
the
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