Battery; Specifications; Function; Battery Check - Daikin LXE10E-A14 Service Manual

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3.5 Battery

3.5.1 Specifications

DECOS 3c controller can use two types of batteries; Alkaline or Rechargeable (Optional). It is not possible
to exchange the type of battery afterwards.
The battery is positioned on CPU & I/O box in controller box.
Alkaline: 9V block battery. (This can be purchased locally.)
Rechargeable: DAIKIN original rechargeable battery

3.5.2 Function

This battery is used without main power supply for the following functions.
Alkaline
(Standard)
Rechargeable
(Optional)
○ : Available ─ : Not available
1) Display wake up (Refer to chapter 3.3.2) page 3-11.
Setting/Display the following items on the LCD display.
<Display>
Temperature on the return air sensor
Temperature on the supply air sensor
<Setting change>
Inside temperature, defrosting interval, dehumidifying set (Optional), Unit ON/OFF
2) USDA data log
USDA sensors data log every 1 hour
Note) When the Alkaline battery is equipped, it must be replaced for a new every PTI, when USDA is
used.
3) Trip data log
Trip data; Setting point, Supply air, Return air, Humidity and time is logged every 1 hour after power off
until battery run out. (Min. 3 days)

3.5.3 Battery check

Alkaline battery: Press
When the power is disconneced.
Rechargeable battery: Press "Battery check meter"
Green: Operatable
Red: Replace battery
1) Display wake up
○
○
key to confirm the Battery mode workable.
S
2) USDA data log
○
○
3-39
3) Trip data log
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○