Grundfos ALPHA1 L - Receiving the Product; Inspecting the Product; Scope of Delivery; Installing the Product

English (GB)
6
3.5 Insulating the pump housing
Fig. 6 Insulating the pump housing
You can reduce the heat loss from the pump and pipe by
insulating the pump housing and the pipe with insulating shells,
which can be ordered as an accessory. See section
5.5.2 Insulating shells.
4. Starting up the product
4.1 Before startup
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 10. Technical data.
When using the pump for the first time, the system must be
vented. See section 4.3 Venting the pump. The pump is
self-venting through the system.
4.2 Starting up the pump
7
Refit the terminal
cover. See A.
Note: It is possible
to turn the power
supply plug on the
side for a 90 °
cable entry.
See B.
TM06 8549 0918 - TM06 8550 0918
8
Tighten the union
nut.
TM06 8551 0918
9
Tighten the cable
gland onto the
power supply
plug.
TM06 8552 0918
10
Insert the power
supply plug into
the male plug on
the pump.
TM06 8553 0119
TM06 8564 1317
Do not insulate the control box or cover the operating
panel.
Step Action Illustration
B
A
Step Action Illustration
1
Open the inlet and
outlet valves.
TM06 8554 0918
2
Switch on the
power supply.
TM06 8555 1317
3
The lights in the
operating panel
indicate that the
power supply has
been switched on
and the pump is
running.
TM06 8556 0918
0/Off
1/On