61
System version 3
One heating circuit without mixer A1 and one heating circuit with mixer M2
1
M
3
4
5
6
7
8
2
wP
wQ
Fig. 54
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 tem-
perature of underfloor heating systems
6
Flow temperature sensor M2
7
Heating circuit pump M2
8
Extension kit for one heating circuit with mixer M2
wP
Solar collectors
wQ
Collector temperature sensor
Note
The flow rate of the heating circuit without mixer must
be at least 30 % greater than the flow rate of the heat-
ing circuit with mixer.
Function/system components
Code
Setting
Group
Operation with LPG
82:1
"General"
System with
only
one heating circuit with mixer, with extension kit for
mixer with DHW heating
00:4
"General"
System
with
DHW circulation pump:
DHW circulation pump connected at internal H1 or H2 extension
—
—
Commissioning, inspection, maintenance
Matching the control unit to the heating system
(cont.)
5773 238 GB