Viessmann FB2A Installation And Service Instructions For Contractors page 53

Further details regarding the individual steps
System version 5
One heating circuit with mixer M1 (with Vitotronic 200-H), one heating circuit
with mixer M2 (with extension kit) and low loss header (with/without DHW heat-
ing)
wQ
wP
1 Vitodens 242-F
2 Outside temperature sensor
3 Heating circuit with mixer M1
4 Flow temperature sensor M1
5 Heating circuit pump M1
6 Vitotronic 200-H
7 Heating circuit with mixer M2
8 Temperature limiter for limiting the
maximum temperature of underfloor
heating systems
Required coding
Operation with LPG
System with only one heating circuit with mixer and DHW heating
Commissioning, inspection, maintenance
3
4
5
2
M
6
1
qE
qW
9 Flow temperature sensor M2
qP Heating circuit pump M2
qQ Extension kit for one heating circuit
with mixer M2
qW Low loss header
qE Flow temperature sensor, low loss
header
wP Solar collectors
wQ Collector temperature sensor
(cont.)
7
8
9
qP
M
qQ
82:1
00:4
53