3.4 Installation in BGB 50-110
Risk of electric shock!
Prior to commencing any installation work, isolate the boiler
from the power supply and safeguard against unintentional reconnection.
- Install pump HEP 25-180-10 externally
- To insulate the pump, fit insulation semi-shells if required
3.5 Installation of a check valve
For the internal installation of the speed controlled pump HEP, the installation on-
site of a check valve in the heating flow between the flow connection of the boiler
and the shut-off valve is recommended (
Fig. 3: Installation of the check valve.
1 Flow connection WGB 1½"
2 Check valve 1½"
3 Ball valve shut-off set Brötje ADH 1½"
Installation
7660118-03
07.16
Variable speed pump HEP 25-180-10
25
GB