Viessmann VITOCAL 350-A Installation And Service Instructions Manual page 14

Installation preparations for heat pumps installed indoors
Requirements for transport and siting: Type AWHI 351.A
Wall clearances
g
830
A B E
D
H
M
K
240
e
Fig. 5
Exterior rendering
A
Wall
B
Wall duct (EPP, can be trimmed to the correct size
D
from the outside with a saw. Observe plaster thick-
ness!)
Compression sealing tape and acrylic airtight
E
seam (all-round)
PU foam (all-round)
F
Appliance connector, air duct on the intake side
G
(EPP)
Plaster finish/wall coating
H
Dim. Vitocal 350-A, type AWHI
351.A10
e mm 489
g mm 880
Distances between wall openings X and Y in mm
N Vitocal 350-A, type AWHI
351.A10
X
1 655
2 1005
3 1355
4 1705
5 2055
6 2405
7 2755
8 3105
9 3455
10 3805
14
F G Q
N
N x 350
351.A14 351.A20
489
1020 1180
351.A14
Y X
680 660
1030 1010
1380 1360
1730 1710
2080 2060
2430 2410
2780 2760
3130 3110
3480 3460
3830 3810
(cont.)
X
Y
F E
D
Hydraulic and condensate connections
K
Heat pump
M
Appliance connector, air duct on the discharge
N
side (EPP)
Air duct 90° bend
P
Partition wall (if required): See table on pages 14
Q
and 15.
N Number of duct parts (wall ducts)
X Distance between wall openings inside the building
Y Distance between wall openings outside the build-
ing
472
351.A20
Y X
755 665
1105 1015
1455 1365
1805 1715
2155 2065
2505 2415
2855 2765
3205 3115
3555 3465
3905 3815
830
810
D
P
885
Partition wall
required
Y
840
1190
1540
1890
2240
2590
2940
3290
3640
3990
Q
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No