4
CONTENTS
Page
1. General 4
2. Shipment inspection 4
3. Pumped Liquids 4
4. Pump installation 4
5. Changing the control box position 5
6. Electrical installation 5
7. Name Plate 6
8. Control Display 6
9. Performance & operation modes 7
10. Fault finding 8
11. Disposal 8
12. Technical data 9
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.
• One Grundfos Alpha pump
• One line cord
• Two gaskets
• One installation and operating instructions
• One check valve
• One "Check Valve Installed" sticker
3. Pumped liquids
Clean, thin, non-aggressive and non-explosive
liquids, not containing solid particles, fibers or
mineral oil.
For glycol usage see Section 10. Review Section 10
for additional liquid information.
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
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.
TM 3422 4408TM04 3417 4408
Grundfos.bk Page 4 Wednesday, March 11, 2009 2:27 PM
