Controller Maintenance; Optional Remote User Interface; Embedded Web Interface - Daikin EWAT_B Operating Manual

Air cooled chiller with scroll compressors
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BUS LED
LON
Communication not
possible to the Neuron.
Flashing
The Neuron must be
Yellow
configured and set online
over the LON Tool.
3.5

Controller maintenance

The controller requires to maintain the installed battery. Every two years it's required to replace the battery. Battery model
is: BR2032 and it is produced by many different vendors.
To replace the battery remove the plastic cover of the controller display using a screw driver as shown in the following
pictures:
Be careful to avoid damages to the plastic cover. The new battery shall be placed in the proper battery holder which is
highlighted in the picture, respecting the polarities indicated into the holder itself.
3.6

Optional Remote User Interface

As an option an external Remote HMI can be connected on the UC. The Remote HMI offers the same features as the
inbuilt display plus the alarm indication done with a light emitting diode located below the bell button.
All viewing and setpoint adjustments available on the unit controller are available on the remote panel. Navigation is
identical to the unit controller as described in this manual.
The Remote HMI can be extended up to 700m using the process bus connection available on the UC. With a daisy-chain
connection as below, a single HMI can be connected to up to 8 units. Refer to the specific HMI manual for details.
3.7

Embedded Web Interface

The MicroTech III controller has an embedded web interface that can be used to monitor the unit when connected to a
local network. It is possible to configure the IP addressing of the MicroTech III as a fixed IP of DHCP depending on the
network configuration.
With a common web browser a PC can connect with the unit controller entering the IP address of the controller or the host
name, both visible in the "About Chiller" page accessible without entering a password.
When connected, it will be required to enter a user name and a password. Enter the following credential to get access to
the web interface:
User Name: ADMIN
Password: SBTAdmin!
Operating Manual
8/38
Bacnet MSTP
MicroTech® III
Bacnet IP
Modbus
EWAT_B

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