Grundfos SCALA2 User Manual

English (GB)
23
5. You can reset
the pump, but
it runs only
for a few
seconds.
Yes
a) Dry running or water
shortage.
Check the water source, and
prime the pump.
Yes
b) The inlet pipe is blocked
by impurities.
Clean the inlet pipe.
Yes
c) The foot or non-return
valve is blocked in closed
position.
Clean, repair or replace the foot
or non-return valve.
Yes
d) There is a leakage in the
inlet pipe.
Repair the inlet pipe.
Yes
e) Air in the inlet pipe or the
pump.
Prime the inlet pipe and the
pump. Check the inlet
conditions of the pump.
6. You can reset
the pump, but
it starts
repeatedly,
immediately
after
stopping.
No
a) The internal non-return
valve is defective or
blocked in completely or
partly open position.
Clean, repair or replace the
non-return valve.
No
b) The tank precharge
pressure is not correct.
Adjust the tank precharge
pressure to 70 % of the required
outlet pressure.
Fault
Grundfos Eye Indicator light Automatic reset
Cause Remedy

Grundfos SCALA2 Specifications

General

Max Inlet Pressure	6 bar
Pumped Liquid	Clean water
Maximum Operating Pressure	10 bar
Installation	Indoor
Mains Frequency	50/60 Hz
Connection Size	1 inch
Pump Type	Self-priming, centrifugal pump
Max Flow	3 m³/h
Power Supply	1 x 200-240 V
Power Consumption	550 W
Liquid Temperature Range	0°C to +45°C
Protection Class	X4D
Weight	10 kg
Approvals	CE, EAC
Maximum Ambient Temperature	+55°C
Type of Inlet Connection	G 1 inch
Type of Outlet Connection	G 1 inch
Material	Stainless steel