Daitsu FDLA-09, Installation, Operation & Service Manual

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SK2015 FSTDC ‐ V/P ‐ ECM ‐ 001
WARNING!
If the system is turned off at the circuit breaker (or main power supply), the drain pump will not work.
NOTE
When button pressing is effective, the master unit buzzer will beep twice and the slave unit will beep once.
C.11. Auto Restart
The system uses non ‐ volatile memory to save the present operation parameters when system is turned off or in case of
system failure or cessation of power supply. Operation parameters 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.
C.12. On/Off Switch On The Front Panel
a) This is a TACT switch to select Cool → Heat → O ff opera on mode.
b) In COOL mode, the set temperature of the system is 24ºC with auto fan speed and swing. There are no timer and
sleep modes.
c) In HEAT mode, the set temperature of the system is 24ºC with auto fan speed and swing. There are no timer and
sleep modes.
d) Master unit that does not use a wall pad will globally broadcast.
C.13. Drain Pump
Drain pump turns ON if the thermostat activates during cooling or dehumidification cycles. It remains on for at least 5
minutes after the thermostat stops. During mode change from cooling to non cooling mode, the water pump will turn
on for a minimum of 5 minutes.
C.14. Float Switch
Float ‐ switch opens before unit is turned on
If the float switch (N/C) is opened before the unit is turned on, then MTV1 is turned off. The drain pump and indoor fan
will operate. After float switch is closed, MTV1 is turned on.
Float switch is opened, when unit is turned on
If the float switch is opened continuously ≥ 5 seconds, then the drain pump will work and MTV1 will remain off. After
the float switch is closed, the drain pump will run for an additional 5 minutes. If the float switch is opened for 10
minutes continuously, then MTV1 will remain off. The indoor fan runs at set speed and the system reports an error.
Float switch is opened, when unit is turned off
If the float switch is opened, then the drain pump will work. After the float switch is closed, the drain pump will run for
an additional 5 minutes. If the float switch is opened for 10 minutes continuously, then the system reports an error.
C.15. Electric Heater Safety Switch
a) Before the electrical heater is turned on, the EH safety switch must be closed and the fan RPM be more than
300RPM.If this contact is opened for ≥ 1 second or the fan RPM is less than 300RPM, the heater will be turned off
immediately and report an error. Once the contact is returned to the closed position ≥ 60 seconds, reset the error
and the heater will start again.
b) When the EH safety switch is opened ≥ 3 times within 60 minutes, the heater is not allowed to start anymore. Turn
off the unit to reset the fault, provided that the switch has returned to the closed position.