Basic Documentation

15 / 44
Siemens VAV compact controller G..B181.1E/3 | VAV modular controller ASV181.1E/3 CE1P3544en
Smart Infrastructure 2021-10-26
N1 G..B181.1E/3
3.3.2 Connection diagrams
N1 G..B181.1E/3 or ASV181.1E/3
N2 Room temperature controller
S1 Window switch (window closed = contact open)
Y1 OpenAir actuator, e.g. GCA131.1E (for non-spring return actuators,
connection G0 is not used)
a) To actuator for "Heating"
b) To slave controller
c) Crimping sleeve connection (4 x AMP butt joints are enclosed with the unit)
• The operating voltage fed to terminals G and G0 must comply with the
requirements for SELV or PELV
• Use safety isolating transformers with double insulation conforming to EN 61558;
they must be suited for 100 % on time
Control loop without communication, e.g. with G..B181.1E/3 “con” mode and room
temperature controller.
G Y2 Y1 YC
U
G0
N1
AC 24 V
G
G0
3544A14
max
V

min
V

mid
V

Operating mode “STP”
Legend to the connection
diagrams 1 through 4
Connection diagram 1
(G..B181.1E/3)
G
G Y2 Y1 YCG D1
G0G0 Y1 Y10
G0
b)
a)
AC 24 V
N1
N2
3544A01
U
G Y2
B1