Dismantling The Plug; Starting Up The Product; Before Startup; First Startup - Grundfos ALPHA1 model B Installation And Operating Instructions Manual

4.2 Dismantling the plug

Step Action
Loosen the cable
1 gland and remove it
from the plug.
Pull off the plug
2 cover while pressing
on both sides.
Add the conductor
guide plate to loosen
all three cable
conductors at the
same time.
If the guide plate is
3
missing, then loosen
the cable conductors
one by one by
pressing a
screwdriver gently
into the terminal clip.
The plug has now
been removed from
4
the power supply
plug.

5. Starting up the product

5.1 Before startup

Illustration
Do not start the pump until the system has been filled with liquid
and vented. Make sure that the required minimum inlet pressure
is available at the pump inlet. See section
instructions on how to vent the system, see sections
the pump

5.2 First startup

After installing the product, see section
turn on the power supply. The light in the operating panel shows
that the power supply has been switched on. See fig. 7.
The pump is factory set to intermediate proportional-pressure
curve, PP2.
and 5.4 Venting the heating
1 x 230 V ± 10 %
∽ 50/60 Hz
1/On
0/Off
Fig. 7 Starting the pump
9. Technical data. For
5.3 Venting
system.
3. Installing the product,
9