Installing The Safety Assembly - Vaillant 305827 Instrucciones De Instalación

b
Caution.
Adverse effect on how the safety
assembly functions.
> Do not install any shut-offs, constricted
sections or line strainers between the
safety assembly and the domestic hot
water cylinder.
> Install the safety assembly upstream of the
domestic hot water cylinder in the cold water sup-
ply pipe.
>
Install the safety assembly so that it is easily
accessible in order to facilitate purging.
> Install the safety assembly as a corner or straight
shape in horizontal or vertical pipes (flow upwards
from below).
4.2

Installing the safety assembly

> Remove the residues from the cold water supply
line by rinsing or blowing through before connect-
ing the safety assembly. Small particles of dirt
may prevent the valve from working correctly
and/or lead to permanent loss of water.
> During the installation, ensure that the arrow (5)
on the safety assembly is pointing in the flow
direction.
> Install the hopper (3) on the expansion relief
valve's (11) discharge pipe (2).
> Install a 1" drain pipework on the hopper drain
(4).
Installation instructions 0020230764_00
a
Danger!
Risk of scalding
> Install the safety assembly correctly to
ensure that no person is at risk from
hot water or hot steam that is dis-
charged from the expansion relief
valve.
Caution.
b
Risk of material damage caused by
restricting the safety function. The
expansion relief valve must be blown
out against atmospheric pressure.
> Install the hopper drain (4) in such a
way that it remains open at all times.
> Make the end user aware of this.
Installation 4
en 5