Rehau NEA SMART 2.0 Service Manual

3.2 Sytem overview
Fig. 3-2 System overview NEA SMART 2.0 for 24 V
SYSBUS
System Bus (4-wire Bus, shielded
cable)
2: NEA SMART 2.0 Base 24 V, central control
unit (Master) with transformer, for up to
8 rooms
5: NEA SMART 2.0 U-Module 24 V, extensi-
on module universal for mixed circuits, dehu-
midifier (with transformer to supply the mi-
xing motor)
ZOBUS
Zone Bus (ZOBUS, 2-wire Bus, cable
typ and topology largely free, polarity does not
have to be considered)
3: NEA SMART 2.0 R-Module 24 V, extension
module room for 4 more rooms (with transfor-
mer to supply the actuators)
6: LAN-/WLAN-interface to connect the sys-
tem to the router and cloud
1: NEA SMART 2.0 Room unit with display
(Bus and Wireless)
4: NEA SMART 2.0 Base 24 V, central cont-
rol unit (Slave) with transformer, for aditional
8 rooms
7: Actuator 24 V to control the valves of the
manifold
8: Router
Tab. 3-1 System overview NEA SMART 2.0 – Details
11

Rehau NEA SMART 2.0 Specifications

General

Connectivity	Wi-Fi
Type	Smart Thermostat
Mounting	Wall-mounted
Energy Monitoring	Yes
Control	App
Power Supply	Battery
App Support	Yes
Compatibility	Underfloor heating systems
Voice Control	Amazon Alexa, Google Assistant
Programming	Weekly Schedule
Temperature Range	5-35°C
Operating Voltage	3V