Installation And Electrical Connection - Buderus BUZ-Plus 15 A De Einbau- Und Betriebsanleitung

3.2 Functions (Fig. 2)
Valves
The BUZ-Plus 15 A and BUZ-Plus 15 C versions are
equipped with a non-return valve (1) on the pressure side
and with a stop valve (2) on the suction side.
When exchanging the motor head (3), it is sufficient to cut
the power by unplugging the connector (5) and to close the
stop valve at the rotating slot (4). The motor head can then
be simply unscrewed → Page 16.

4 Installation and electrical connection

4.1 Mechanical Installation
DANGER: Before starting work, make sure that the pump
has been disconnected from the power supply.
Installation site (Fig. 3)
Provide a weatherproof, frost-free, dust-free and well-venti-
lated room for the installation.
Choose an installation site that is easily accessible.
CAUTION: Dirt can cause the pump to fail. Flush the pipe
system before installation.
NOTE: In the case of the BUZ-Plus 15 A and BUZ-Plus 15
C versions, the stop valve and non-return valve are pre-
installed.
In the case of the BUZ-Plus 15 version, these valves have
to be installed additionally.
1. Prepare the installation site so that the pump can be
installed without being exposed to mechanical
stresses.
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