4 Vitolig 200
38
Wiring diagram for application example 1
Connection of circulation pumps, mixer motors and low water indicator
Connection for temperature sensors and remote control units
Connection of solar heating components see Technical Guide for Solar Heating Systems, application example 1.
5822241 GB
XW
Buffer loading controller
Heating circuit 2
Heating circuit 1
Boiler circuit pump
3
XN/N
XN/LI
Heating circuit
pump
7
Mixer
motor
Heating circuit
pump
7
Low
water
indicator
eT
L
N
L
N
1
N
2
X4
4
X6
5
N
6
X9
8
3
7
X2
1
2
L
N
1
N
2
X4
4
X6
5
N
6
X9
8
3
7
X2
1
N
2
X4
4
X6
5
N
6
X9
8
3
7
L
N
X2
Circulation pump for
DHW heating
5
Mixer
motor
Mains electrical connection
on
N
close(d)
M
on
N
close(d)
M
R2
5 6
120
Heating circuit 1
Outside
temperature
sensor
1
2
Y3
4
Y4
5
Gnd
6
Y5
8
3
7
Y2
Y7
9
Gnd
10
11
L+
12
L−
13
Gnd
Heating circuit 2
Flow
temperature
sensor
Remote
control
1
2
Y3
4
Y4
5
Gnd
6
Y5
8
3
7
Y2
Y7
9
Gnd
10
11
6
5
Gnd
Buffer loading controller
Buffer
temperature
sensor
bottom
qR
1
2
Y3
4
Y4
5
Gnd
6
Y5
8
3
7
Y2
Y7
9
Gnd
10
11
Gnd
Buffer
temperature
sensor
top
qE
Flow
temperature
sensor
DHW
temperature
sensor
qW
Remote
control
