Technical data

PRE-INSTALLATION
6 720 648 547 (2012/06)10
Y PLAN LAYOUT
Fig. 6 Y plan
SEALED SYSTEM LAYOUT
Fig. 7 Sealed system
NEW BUILD SYSTEM LAYOUTS
The latest Part L1a regulation for new installations require separate zone
controls for the central heating.
Open vent with two heat zones
Fig. 8 Open vent with two heating zones
Sealed system with two heat zones
Fig. 9 Sealed system with two heating zones
Y PLAN LAYOUT
8
7
1
3
2
4
5
150 mm
max
M
6720648547-41.1Wo
SEALED SYSTEM LAYOUT
MCW
8
7
4
10
12
11
9
5
M
6720648547-42.1Wo
6720648547-27.1Wo
8
7
1
3
2
4
6
5
150 mm
max
M
MM
OPEN VENT LAYOUT
6720648547-28.1Wo
8
7
4
6
5
M
MM
SEALED SYSTEM LAYOUT
MCW
12
10
11
9