Viessmann VITODENS 222-F Installation And Service Instructions Manual page 51

Further details regarding the individual steps
System version 2
One heating circuit with mixer M2 and a low loss header
1
1 Vitodens 222-F
2 Outside temperature sensor
3 Heating circuit with mixer M2 (heat-
ing circuit 2)
4 Temperature limiter for limiting the
maximum temperature of underfloor
heating systems
Function/system components
Operation with LPG
System only with one heating circuit with mixer with
extension kit for mixer (without unregulated heating
circuit) with DHW heating
System with DHW circulation pump:
3
4
5
6
2
M
7
9
8
Commissioning, inspection, maintenance
(cont.)
5 Flow temperature sensor M2
6 Heating circuit pump M2
7 Extension kit for one heating circuit
with mixer M2
8 Low loss header
9 Flow temperature sensor, low loss
header
Adjust Delivered con-
82:1
00:4
Code
dition
82:0
00:6
51