Grundfos SCALA1 5-55 User Manual

15.6 The pump performance is insufficient
Grundfos Eye
Indicator
light
Automatic
reset
Cause Remedy
- - Pump inlet pressure is too low. Check pump inlet conditions.
- - Pump is undersized.
Replace the pump with a
larger pump.
- -
Inlet pipe, inlet strainer or
pump are partially blocked by
impurities.
Clean the inlet pipe or the
pump.
- - Leakage in the inlet pipe. Repair the inlet pipe.
- -
Air in the inlet pipe or the
pump.
Prime the inlet pipe and the
pump. Check pump inlet
conditions.
15.7 The pump starts and stops too
frequently
Grundfos Eye
Indicator
light
Automatic
reset
Cause Remedy
- -
Leakage in suction pipe or
air in the water.
Restore the water supply or
repair suction pipe.
- -
A tap has not been closed
entirely after use.
Check that all taps have been
closed. See section Anti-
cycling.
- -
Minor leakage in the
system.
Check the system for leakages.
See section Anti-cycling.
31
English (GB)

Grundfos SCALA1 5-55 Specifications

General

Product Name	Grundfos SCALA1 5-55
Category	Water Pump
Max Head	55 m
Max Flow Rate	5 m³/h
Inlet/Outlet Size	1"
System Pressure	10 bar
Enclosure Class	IPX4D
Pumped Liquid	Clean water
Frequency	50/60 Hz
Max Pressure	10 bar
Motor Type	Permanent Magnet Motor
Protection Class	X4D
Liquid Temperature	0°C to 45°C
Inlet Pressure	6 bar
Approvals	CE, EAC