Grundfos MAGNA1 User Manual

English (GB)
11
4. Starting up the product
Do not start the pump until the system has been filled with liquid
and vented. Furthermore, the required minimum inlet pressure
must be available at the pump inlet. See section 10. Technical
data.
The pump is self-venting through the system, and the system
must be vented at the highest point.
5. Storing and handling the product
5.1 Storing the product
5.1.1 Frost protection
The number of starts and stops via the power supply
must not exceed four times per hour.
Step Action Illustration
1
Switch on the power supply to the pump.
The pump starts after approximately 5 seconds.
TM05 5550 3016
2 Control panel at first startup.
TM05 5551 3016
3
The pump has been factory-set to the intermediate
proportional-pressure curve.
Select the control mode according to the system
application.
TM05 5551 3016
1 x 230 V ± 10 %
∽ 50/60 Hz
0/
Of
f
1/On
If the pump is not used during periods of frost, take
the necessary steps to prevent frost bursts.

Grundfos MAGNA1 Specifications

General

Pump Type	Circulator Pump
Flow Range	0.5 - 12 m³/h
Maximum Flow	12 m³/h
Maximum Head	10 m
Maximum Liquid Temperature	110°C
Maximum Operating Pressure	10 bar
Power Supply	230 V, 50/60 Hz
Enclosure Class	IP42
Insulation Class	F
Pump Housing	Cast Iron
Installation Length	180 mm
Series	MAGNA1
Energy Efficiency Class	A
Liquid Temperature Range	2°C to 110°C
Approvals	CE, EAC
Ambient Temperature Range	0 .. 40 °C