Danfoss CCR2+ Operating Manual page 4

CCR2+ Controller
Power
Supply
Board
TCP/IP - LAN
WEB SERVER
BMS TCP/IP
ETHERNET
Wiring scheme CCR2+ Master Controller
Fig. 4b
4 | © Danfoss | 2019.02
Alarm
Disinfection finished
KO2
Start next CCR
KO1
Heat force
24VDC
0V
Master Empty Module 0
Controller Socket Input / Output
Board Place Board
INTERNET
B1 - start dis.
B2 - stop dis.
B3 - ext. alarm
Actuators of risers' valves V1...V20
Open collector outputs connect to 0V
KO4
KO3
V2 V4 V6
V1 V3 V5 V7
Module 1 Module 2
Input / Output Input / Output
Board
Board
S0 - main
Risers' temperature sensors S1...S20
sensor Type of sensor - PT1000
PT1000
V8 V10 V12 V14 V16
V9 V11 V13 V15
Module 3 Module 4
Input / Output Input / Output
Board
Board
V18 V20
V17 V19
Module 5
Input / Output
Board
VI.D3.C2.02