Connection Diagram - ABB i-bus KNX Product Manual

®
ABB i-bus KNX
Device technology
2.4.10

Connection diagram

FCA/S 1.2.2.2
1
2
3
4
5
6
7
8
Note
Terminals 1 and 4 on the FCA/S 1.2.2.2 are not used internally.
56 2CDC508134D0202 | FCA/S 1.x.x.1
Label carrier
Programming button
Programming LED (red)
Bus connection terminal
Inputs a, b, c
Valve output A (e.g. heating)
Valve output C (e.g. cooling)
Fan
9
Output H
10 Manual operation button/LED
Valve output A buttons/LEDs
11 (e.g. heating) (yellow)
Valve output C buttons/LEDs
12
(e.g. cooling) (yellow)
13 Button/LEDs fan speed 1, 2, 3 (yellow)
14 Output H button
15
Inputs a, b, c buttons/LEDs (yellow)
16 Output H display
(yellow)