CE1P2276E / 31.03.1999
Basic Documentation REA22
Issue 2.0
Siemens Building Technologies
10/30
Handling
Landis & Stefa Division
Description
Illustration
Mount controller onto the
base again.
227
6Z
25
Tighten screw. The controller
is ready for operation.
22
76Z
26
2.3 Electrical
installations
2.3.1 Regulations for installation
When installing the room temperature controller, the base must first be fitted and wired.
Then, the unit is engaged at the top, swung downward and secured with a screw.
For the electrical installation, the local safety regulations and standards must be com-
plied with.
2.3.2 Connection
diagram
L
L1
Y1
M1
N1
A
C
2
4
..
.2
5
0
V
22
76
A0
1
N
L2
L
Live, AC 24…250 V
L1
N.O. contact,
AC 24…250 V /
0.1…6 (2.5) A
L2
N.C. contact,
AC 24…250 V /
0.1…6 (2.5) A
M1
Circulating pump
N1
REA22 controller
Y1
Regulating unit
