Fitting The Cover; Connections On The Heating Water Side - Viessmann VITOCELL 300-W Installation Instructions And Setup Manual

500 l capacity
(cont.)

Fitting the cover

A
2.
Fig. 12
Cap with Viessmann logo
A

Connections on the heating water side

■ Connect all pipework with detachable fittings.
■ Seal any connections that are not required with red
brass caps.
Adjust the temperature controller and high limit
■
safety cut-out so that the DHW temperature in the
DHW cylinder does not exceed 95 °C.
■ For 160, 200 and 300 l and heating water flow tem-
peratures above 95 °C:
Remove the pipe collars from the pipe outlets on the
heating water side (pipe collars have l.h. threads).
!
Please note
The internal indirect coil is installed with gas-
kets.
Temperatures > 150 °C at the connections will
■
damage the gaskets.
Maintain a safe distance when soldering and
welding.
■ Realigning the connector will damage the gas-
kets.
1.
Note
The soft side of the thermal insulation must rest
against the cylinder body.
Permissible temperature
Permissible operating
pressure
Test pressure
Individual cylinder
160 °C
10 bar (1.0 MPa)
16 bar (1.6 MPa)
15