Operating instructions

9
211.2
F0 F14 F21
X3.8/9 X4.1/2 211.3 211.5 212.3 212.4
P
2/X3.8 2/X3.9
2/F0
P
2/F21
2/212.4
P
2/212.4
2/145
A1
2/X4.1/2
2/211.1
2/F14
M
P
M
2/211.5
145
WW
2/212.3
2/211.3
Explanation of the designation of electrical contacts
Example:
"2/211.2" at pos.
oR
Secondary pump connection via temperature limiter as maxi-
mum temperature limiter for underfloor heating (in series):
The temperature limiter is connected to pos.
2
(control unit) / terminal strip 211 .
Terminal 2
For further details regarding the electrical connections, see chapter "Overview of
PCBs and connection options" from page 119.
Preparing for installation
System example
(cont.)
5441 603 GB
Installation