1.2 Notes
The symbols and notes below may appear in Grundfos installation
and operating instructions, safety instructions and service
instructions.
Observe these instructions for explosion-proof products.
A blue or grey circle with a white graphical symbol indi-
cates that an action must be taken.
A red or grey circle with a diagonal bar, possibly with a
black graphical symbol, indicates that an action must not
be taken or must be stopped.
If these instructions are not observed, it may result in mal-
function or damage to the equipment.
Tips and advice that make the work easier.
2. Receiving the product
2.1 Inspecting the product
CAUTION
Crushing of feet
Minor or moderate personal injury
‐
Wear safety shoes when opening the box and han-
dling the product.
Check that the product received is in accordance with the order.
Check that the voltage and frequency of the product match voltage
and frequency of the installation site. See section Nameplate.
Related information
2.2 Scope of delivery
The box contains the following items:
•
ALPHA1 L pump
•
installer plug
•
two gaskets
•
quick guide.
3. Installing the product
DANGER
Electric shock
Death or serious personal injury
‐
Switch off the power supply before starting any work
on the product. Make sure that the power supply can-
not be accidentally switched on.
CAUTION
Crushing of feet
Minor or moderate personal injury
‐
Wear safety shoes when opening the box and han-
dling the product.
Installation must be carried out by trained persons in ac-
cordance with local regulations.
The pump must always be installed with a horizontal mo-
tor shaft within ± 5 °.
3.1 Mechanical installation
The mechanical installation must be carried out by trained
persons in accordance with local regulations.
3.1.1 Mounting the product
1. The arrows on the pump housing indicate the flow direction
through the pump. See fig. Flow direction.
2. Fit the two gaskets supplied with the pump when you mount the
pump in the pipe. Install the pump with a horizontal motor shaft
within ± 5 °. See fig. Pump installation. See also section Control
box positions.
3. Tighten the fittings. See fig. Tightening the fittings.
TM068535
Flow direction
6
English (GB)
