Grundfos ALPHA2 User Manual

8
4. Installation
Contents:
4.1 Mounting
4.2 Control box positions
4.3 Changing the control box position
4.4 Insulation of pump housing.
4.1 Mounting
Fig. 3 Mounting the GRUNDFOS ALPHA2
Arrows on the pump housing indicate the liquid flow direction through the
pump.
See 13.2 Installation dimensions – GRUNDFOS ALPHA2 XX-40, XX-50,
XX-60 or 13.3 Installation dimensions – GRUNDFOS ALPHA2 25-40 A,
25-60 A.
1. Fit the two gaskets supplied when the pump is mounted in the pipe.
See fig. 3, pos. A.
2. Install the pump with the motor shaft horizontal. See fig. 3, pos. B.
TM03 8922 2707

Grundfos ALPHA2 Specifications

General

Max Head	8 m
Voltage	230 V
Frequency	50/60 Hz
Type	Circulator Pump
Max. operating pressure	10 bar
Series	ALPHA2
Connection Type	Threaded
Protection Class	IP42
Liquid Temperature Range	2°C to 110°C
Energy Efficiency Index	≤ 0.23
Connection size	G 1 1/2
EEI	≤ 0.23