Dimensions; Installation; Safety Instructions; Transport And Storage - Grundfos Change-over device 185 Instrucciones De Instalación Y Funcionamiento

3.3 Dimensions

3.3.1 Change-over device 185-1
384
Fig. 2 Change-over device 185-1 without bypass
(dimensions in mm)
3.3.2 Change-over device 185-2
110 475
1170
Fig. 3 Change-over device 185-2 with bypass
(dimensions in mm)
3.3.3 Control panel
Ø9
227
300
Fig. 4 Control panel (dimensions in mm)
160
867
475 110
37 200
230

4. Installation

4.1 Safety instructions

Warning
The installation must be carried out by authorised
and qualified staff.
Wear the stipulated personal protective equipment
(protective clothing, gloves, safety boots)!

4.2 Transport and storage

Caution
Handle with care, do not throw!
Store in a dry and cool place.

4.3 Unpacking

Observe when unpacking:
• No humidity should get into gas-leading parts.
• No foreign matter should get into gas-leading parts.
Mount as soon as possible after unpacking.
Use appropriate lifting devices to handle heavy parts.

4.4 Installation location

• Choose a mounting place free of vibrations.
• Observe the permissible ambient temperature!
Major temperature fluctuations during operation can
Caution
cause condensation in the product, which may lead
to malfunction in the long term.

4.5 Mechanical installation

4.5.1 Mounting of change-over device
1. Fix the included mounting accessories (base plates, threaded
rods, hexagonal nuts and pipe clips) to the inlet and outlet
connections.
2. Mark the bore holes.
3. Drill holes for 4 dowels ∅16 mm (depth at least 100 mm).
4. Insert the dowels.
5. Fix the base plates with hexagonal screws and disks.
6. Adjust the wall distance with hexagonal nuts and threaded
rods, if necessary.
4.5.2 Mounting of control panel
1. Mark the bore holes
2. Drill holes for 4 dowels ∅10 mm (depth at least 70 mm).
3. Insert the dowels.
4. Screw in the 4 included special screws M 8 x 80.
5. Place the control panel and fix it with disks and nuts.
7