Viessmann Vitodens 242-F Installation And Service Instructions Manual page 62

Commissioning, inspection, maintenance
Matching the control unit to the heating system
System version 4
One heating circuit without mixer A1, one heating circuit with mixer M2 and system separation
wQ
wP
Fig. 55
Vitodens 242-F
1
Outside temperature sensor
2
Heating circuit without mixer A1
3
Heating circuit with mixer M2
4
Temperature limiter to restrict the maximum tem-
5
perature of underfloor heating systems
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 H1 or H2 extension
62
3
5
6
7
M
8
2
9
1
6
7
8
9
wP
wQ
(cont.)
4
Flow temperature sensor M2
Heating circuit pump M2
Extension kit for one heating circuit with mixer M2
Heat exchanger for system separation
Solar collectors
Collector temperature sensor
Setting
82:1
00:4
Code
Group
"General"
"General"
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