EN
VB25-32-IM-DE-W-UK-05-2023-Rev.1 | Part no. 10025989
7
5 Dimensions
D
65
175
125
125
(175)
87,5
125
175
125
87,5
136,5
L1
1
5
1
,5
3x
G 1 1 /2
n
x
G 1 1/2
1
5
6
34
34
L2
4
5
5
0
6
1
1
5
6
(300)
L
1
VB25/32-2
VB25/32-3
VB25/32-4
VB25/32-5
L1
600 mm
900 mm
1200 mm
1500 mm
L2
532 mm
832 mm
1132 mm
1432 mm
n
4
6
8
10
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
½ union nut, flat sealing (torque 130 Nm).
3. Close the boiler-side connections G 1 ½ union nut, flat sealing
(torque 130 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.