Viessmann Vitopend 100-W Installation And Service Instructions

87
X11 X3 X7
1
X2
F1
T2,5A
AC
DC
X4 X6 X9 X8
T2T3 T1
M
1
M
1
20
100A
100
35
GND
Hall
+5VDC
X10
30
X100
190 3
4 5
149163
P
47
TR1-1 T5
1 2 3 4
131
T6TR1-2
F
16151412131198107643521
654321
1 2 31 2 31 2 3
1 2 3 4
1 2
12
34
X14
L N
M
1 2 3
1615
AUX900101
interface board
1 2 3 4
CN3
X13
1 2
24V
A
D
C
B
WiFi
A
PCB inside the boiler
B
Power supply
CN3 External extension AUX
900101
X3 Gas pressure switch
(accessories)
X6 Gas train
X7
C
Room/outside tem-
perature sensor
!
(accessories)
or
D
Room temperature
controller (Open-
Therm accessories)
X8 Fan
X9 Internal circulation pump
X11 WLAN module
Designs
Connection and wiring diagram
5837146
Service

Viessmann Vitopend 100-W Specifications

General

Fuel Type	Gas
Max. Water Temperature	85 °C
Type	Condensing Boiler
Gas Type	Natural gas / LPG
Efficiency	Up to 98%