Viessmann Vitodens 222-F B2TA Installation And Service Instructions Manual page 68

Commissioning, inspection, maintenance
Further details regarding the individual steps
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:
DHW circulation pump connection at internal exten-
sion H1 or H2
System version 4
One heating circuit without mixer A1, one heating circuit with mixer M2 and
system separation
1
1 Vitodens 222-F
2 Outside temperature sensor
3 Heating circuit without mixer A1
(heating circuit 1)
4 Heating circuit with mixer M2 (heat-
ing circuit 2)
68
3
5
6
7
M
8
2
9
(cont.)
Adjust
4
qP
5 Temperature limiter to restrict the
maximum temperature of underfloor
heating systems
6 Flow temperature sensor M2
7 Heating circuit pump M2
8 Extension kit for one heating circuit
with mixer M2
Code
Group
82:1 "General"
00:4 "General"
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