Heating And Cooling System With Mix Of Wireless And Wired Room Units And Slaves (Up To Twenty Four Rooms) - Rehau NEA SMART 2.0 Service Manual

5.6.3

Heating and Cooling system with mix of wireless and wired Room units and slaves (up to twenty four rooms)

Fig. 5-4 NEA SMART 2.0 system, room control for heating/cooling for up to 24 rooms
Zone bus (ZOBUS) to connect the Room units
ZOBUS
System bus to connect slave units or U-Modules
SYSBUS
1 NEA SMART 2.0 Base 24 V, central control unit (master);
for up to eight rooms
2 NEA SMART 2.0 Transformer 24 V
3 Thermal actuators 24 V on manifold
4 NEA SMART 2.0 Room unit wired, to measure the room
temperature and room air humidity
5 NEA SMART 2.0 Room unit wireless, to measure the room
temperature and room air humidity
Tab. 5-12 Heating and Cooling system with mix of Room units and slaves up to twenty four rooms
46
SYSBUS
6 LAN/WLAN interface to connect the system to router and cloud
7 Router for LAN /WLAN home network and connection to cloud
8 Output signal from the Base to heat / cold generators
9 Output signal from the Base to (global) pump
10 NEA SMART 2.0 Base 24 V, central control unit (slave);
for up to eight rooms
11 Output signal from the Base (slave) to local pump
12 Continuation of the ZOBUS to more room units or NEA SMART
2.0 R-Module
SYSBUS