Viessmann Vitoligno 300-P Service Instructions For Contractors page 17

Further details regarding the individual steps
System version 2
Boiler with DHW cylinder, heating water buffer cylinder and one or two heating
circuits with mixer (optionally with dual-mode DHW cylinder and solar thermal
system)
wP
wQ
wW
P
wE
wT
qT
wR
Pos. Description
1 Vitoligno 300-P
2 Vitotronic 200, type FO1
3 Outside temperature sensor ATS
4 Boiler water temperature sensor KTS
5 Return temperature raising facility
with
wZ
qE
qW
qQ
qR
qP
Commissioning, inspection, maintenance
(cont.)
eP
eQ
eW
M
eE
8
7
3
6
2
5
4
1
Control unit connection with
number of heating circuits
1 2
! !
X2 X2
rP
rQ
rW
rE
M
rR
rT
rZ
rU
1 with 2 with
solar solar
! !
X2 X2
17