Olimpia splendid UNICO NEXT-F Mode D'emploi Et D'entretien page 87

4 - FUNCTIONS AND ACCESSORIES
4.1 - WIFI
The unit can be prepared for Wi-Fi connection by means of the specific Kit (not supplied).
4.2 - MODBUS RTU RS485
The communication port allows the air conditioner to carry out the following functions:
• Send the commands to the air conditioner, exactly as the remote controller.
• Send another temperature of the room to the air conditioner, read by a wall ther-
mostat.
• Read the work status of the air conditioner and configure it.
• Debug the behaviour of the machine.
• Manually command the fan and all the loads of the machine.
Instead of using the connector, it is possible to use the black (signal
A) and blue (signal B) cables directly.
4.2.1 - MODBUS RTU RS485
connection
To connect the appliance to the MODBUS
RTU RS485, proceed as described:
a. Remove the appliance cover (6).
b.
Connect the MODBUS cord (6a) to
the connector (6b).
c. Connect the MODBUS cord (6a) to
the USB cord.
d. Connect the USB cord to a PC.
e.
Remount the appliance cover (6).
5 - MAINTENANCE AND CLEANING
Before proceeding with any maintenance and
cleaning, always make sure the system has
been switched off, using the remote control, and
the power supply plug has been disconnected
from the system socket (or the upstream master
isolating switch is positioned at "0" OFF).
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UNICO NEXT-F R290
6a
6a
6b
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