Viessmann VITOCROSSAL 300 Installation Instructions Manual page 29

Vitocrossal 300 CU3A 26 to 57 Installation
Connecting the DHW Sensor
(continued)
DHW storage tank information
The DHW water tank sensor % is required when using
a stand-alone DHW storage tank with the Vitocrossal 300
CU3A heating boiler. It comprises the sensor only required
for the connection of a stand-alone tank. All other
required piping connections are field supplied.
IMPORTANT
Apply sufficient amount of thread sealant (supplied) when
making the connections.
Making the DHW connections
1. With a Vitocell 100 and 300 series tanks locate the
DHW temperature sensor well and install the
DHW temperature sensor % using the installation
instructions provided with the DHW storage tanks.
IMPORTANT
Follow the Installation Instructions supplied with the
Viessmann DHW storage tank when mounting and
securing DHW tank temperature sensor %.
WARNING
If a DHW storage tank other than a Viessmann Vitocell
100 or 300 tank is used, the installer must verify proper
operation of the Viessmann DHW tank temperature
sensor with original manufacturer of the tank. Viessmann
strongly recommends the installation of a temperature
tempering valve in the DHW supply line.
Control Connections
See Vitocrossal 300 CU3A Service Instructions
for applicable system coding information.
29