EN
6
VB20-IM-DE-W-UK-05-2023-Rev.1 | Part no. 10079071
5 Dimensions
n
x G 1
70,5
90
151
90
(70,5)
(241)
L1
1
2
7
1
3
9
,5
65
193
146
90
90
(146)
3
x G 1
L3
1
3
9
,5
5
1
5
0
3
8
,5
L4
L2
L4
VB20-2
L1
472 mm 355 mm
L2
L3
480 mm
713 mm 594 mm 721 mm
VB20-3
n
4
6
L4
62,5 mm
63,5 mm
6 Installation
NOTICE
Installation and commissioning may be carried out only by trained
personnel who have been authorized by the manufacturer.
!
CAUTION
Material damage!
Incorrect repair and replacement of separate parts.
•
When repairing the unit or replacing parts, be sure to observe
the specified installation positions and flow directions of the
parts being replaced!
!
CAUTION
Material damage!
Opening shut-off valves quickly produces pressure surges.
•
Always open shut-off valves slowly and in a controlled manner.
6.1 Installation without wall bracket
1. Remove the front shell of the insulation of the boiler manifold.
2. Close the heat-circuit connections flat-sealing, using the G 1
union nut, flat sealing (torque 55 Nm).
3. Close the boiler-side connections G 1 union nut, flat sealing
(torque 55 Nm).
6.2 Installation with wall brackets (optional)
1. Bolt the wall bracket to the wall.
2. Push the rear shell of the insulation onto the wall bracket.
3. Insert the boiler manifold.
4. Push the front shell of the insulation onto the boiler manifold.
