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

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 extension AM1,
terminal A2
System version 4
One heating circuit without mixer A1, one heating circuit with mixer M2 and
system separation
2
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)
Commissioning, inspection, maintenance
4
3
5
6
7
M
8
9
5 Temperature limiter for limiting 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
(cont.)
Code
Adjust Delivered con-
82:1
00:4
—
qP
dition
82:0
00:6
34:0
51