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Heating controls
6 720 645 817 (2010/09)
58
8.5 Cascade switching module (0-10 V interface for systems with Direct Digital Control
(DDC))
8.6 Accessories, weather-compensated controller - remote control
ICM Application
Cascade module for switching two condensing boilers (MKB 240-3 A to MKB 560-3 A)
in conjunction with FW 200 or FW 500
Communication with the condensing boilers and the controller via 2-wire BUS
Function status LED for each boiler in the cascade
Automatic load distribution to the connected condensing boilers
Inputs
NTC flow temperature sensor, for low loss header
NTC outside temperature sensor
External safety equipment, floating
Heating circuit controller (ON/OFF contact), floating (24 V DC)
Heating circuit controller (potential interface) 0 - 10 V
0-10 V interface, e.g. for DDC or third party controls
Boiler communication (4 x via 2-wire BUS)
Outputs 230 V AC, 50 Hz
For further modules ICM: 230 V AC, 50 Hz, max. 10 A
For pump: 230 V AC, 50 Hz, max. 2300 W
Fault display: floating; max. 230 V, 1 A
Installation
Wall mounting (height/width/depth: 165/235/52 mm)
Power supply 230 V AC, 50 Hz, 10 A
Part no. 7 719 002 949
Tab. 30
FB 10 Application
Remote control for adjusting the set value for the weather-compensated heating circuit
in conjunction with FW 100 or FW 200
Can be used for heating circuit 1 or 2 (use the FB 100 for heating circuits 3 and 4)
Communication with the controller via 2-wire BUS
Function
2-wire BUS technology, reverse polarity protected connection
Set value adjustment for weather-compensated controller
Room temperature display
Fault code display
No clock function
Installation
Wall mounting (height/width/depth: 85/100/35 mm)
Power supply 15 V via 2-wire BUS
Part no. 7 719 002 942
Tab. 31
58


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