![Viessmann SH20 Скачать руководство пользователя страница 19](http://html.mh-extra.com/html/viessmann/sh20/sh20_installation-and-service-instructions-for-contractors_1016925019.webp)
19
Plugs
aG
and
a¢Ö
A: Flue gas temperature sensor
21
22
23
21
22
23
N
15
100A
A
Fig. 15
A
Pt1000
Plug
gÖ
A: External fault message
N
L
A
S3
T2
T1
50A
Fig. 16
230 V/max. 4 A
A
Alarm (e.g. horn)
Plug
a¢Ö
: Flue gas fan
L1
PE
N
M
1~
100
Fig. 17
Installation sequence
Electrical connections
(cont.)
5684984
Installation