Configur-
S1
S2
ation
6
SysFlow
FS1
Meaning of the abbreviations (→ Section 4.9.1)
Sensor assignment
Configura-
S1
S2
tion
1
VR 10
VR 10
2
VR 10
VR 10
3
VR 10
VR 10
6
VR 10
VR 10
4.6
Connection assignment for the FM3 functional module
230V
N
L
7
1
Input sensor terminals
2
Signal terminal
3
Address switch
4
eBUS terminal
S2, S3 sensor terminals: An external control can also be connected
R3/4, R5/6 mixer output: 1 = open, 2 = closed
You can configure the contacts for external inputs in the system control.
–
Open, deact.: Contacts open, no heat demand
–
Bridge,deact.: Contacts closed, no heat demand
Configuration
R1
FM3+FM5
3fa
FM3
3f1
Meaning of the abbreviations (→ Section 4.9.1)
0020287900_03 Operating and installation instructions
S3
S4
S5
FS2
FS3
BufBt
S3
S4
S5
VR 10
VR 10
VR 10
VR 10
VR 10
VR 10
VR 10
VR 10
VR 10
VR 10
VR 10
VR 10
1
1
2
1
2
1
2
1
1
2
1
2
S1
S2
S3
S4
S5
R1
R2
N
L
N
L
6
R2
R3/R4
R5/R6
3fb
9kaop/
9kbop/
9kacl
9kbcl
3f2
MO
9k2op/
9k2cl
S6
S7
S8
BufBtCH
BufTop
BufBt
DHW
DHW
S6
S7
S8
VR 10
VR 11
VR 10
VR 10
VR 11
VR 10
–
–
–
VR 10
VR 10
VR 10
2
3
2
O
I
S6
S7
R3/4
R5/6
N 1 2
N 1 2
5
5
Mixer output
6
Output relay terminals
7
Power supply
S1
S2
S3
–
DEMa
DEMb
BufBt/
DEM1
DEM2
DHW
S9
S10
S11
DEM1
DEM2
DEM3
S9
S10
S11
S12
–
–
VR 10
VR 10
–
–
VR 10
VR 10
–
–
VR 10
VR 10
–
–
–
VR 10
4
-
+
BUS
R3/4
R5/6
N 1 2
N 1 2
S4
S5
S6
–
FSa
FSb
–
SysFlow
FS2
S12
S13
–
DHW
Bt2
S13
–
–
–
–
S7
–
–
83