4
Original installation and operating
instructions.
CONTENTS
Page
1. General
Grundfos Alpha is suitable for systems with
constant or variable flows where it is desirable to
optimize the setting of the pump duty point .
2. Shipment inspection
Examine the components carefully to make sure
no damage has occurred to the pump during
shipment. Care should be taken to ensure the
pump is NOT dropped or mishandled. Check to
see that these are included:
•
One Grundfos Alpha pump
•
One line cord or terminal box
•
Two gaskets
•
One installation and operating instructions
•
One check valve
•
One "Check Valve Installed" sticker
3. Pumped liquids
Grundfos Alpha is designed for pumping clean,
thin, non-aggressive and non-explosive liquids,
not containing solid particles, fibers or mineral oil.
For glycol usage as well as additional liquid
information see Section 10. Fault finding.
4. Pump installation
When making piping connections, be sure to
follow piping manufactures recommendations
and all code requirements for piping material.
•
System should be properly flushed of debris
before pump installation.
•
Insert check valve only if required; see fig. 1 .
•
Arrows on the pump housing indicate the
liquid flow direction through the pump.
•
Install the pump with the motor shaft
horizontal; see fig. 2.
•
Fit the two gaskets supplied to pump ends.
Fig. 1
Check valve installation
Fig. 2
Installation positions
1.
General
4
2.
Shipment inspection
4
3.
Pumped liquids
4
4.
Pump installation
4
5.
Changing the power head position
5
6.
Electrical installation
5
6.1
For line cord models
5
6.2
Terminal box models
6
7.
Nameplate
6
8.
Control display
6
9.
Performance* and operation mode
selection
7
10.
Fault finding
8
11.
Disposal
8
12.
Technical data
9
12.1
Approvals
10
13.
Quick install tips
10
Warning
Prior to installation, read these
installation and operating
instructions. Installation and
operation must comply with
national, state, and local regulations
and accepted codes of good
practice.
Warning
The pump must not be used for the
transfer of flammable liquids such
as diesel oil, gasoline, and similar
liquids.
Pump not for pool or marine use.
Warning
Do not energize pump until properly
installed.
Risk of electric shock — this pump
has not been investigated for use in
swimming pool or marine areas.
T
M
34
22
44
08
TM
04
3
417
44
08
