Viessmann VITODENS 242-F Installation And Service Instructions Manual page 76

Commissioning, inspection, maintenance
Further details regarding the individual steps
Function/system components
Operation with LPG
System with only one heating circuit with mixer, with
extension kit for mixer with DHW heating
System with DHW circulation pump:
DHW circulation pump connected 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
wQ
wP
1 Vitodens 242-F
2 Outside temperature sensor
3 Heating circuit without mixer A1
4 Heating circuit with mixer M2
5 Temperature limiter to restrict the
maximum temperature of underfloor
heating systems
76
3
2
1
6 Flow temperature sensor M2
7 Heating circuit pump M2
8 Extension kit for one heating circuit
with mixer M2
9 Heat exchanger for system separa-
tion
wP Solar collectors
(cont.)
Code
Adjust
82:1 "General"
00:4 "General"
—
4
5
6
7
M
8
9
Group
—