Grundfos SCALA2 User Manual

English (GB)
14
7. Control functions
7.1 Menu overview, SCALA2
Fig. 14 SCALA2 operating panel
7.1.1 Pressure indicator, SCALA2
The pressure indicator shows the required outlet
pressure from 1.5 to 5.5 bars (22 to 80 psi) in 0.5 bar
(7.5 psi) intervals.
The illustration below shows a pump set to 3 bar (44
psi) indicated by two green lights, and a pump set to
3.5 bar (51 psi) indicated by one green light.
Flashing green lights indicate that the pump has
automatically lowered the pressure. See section
4.3.3 Self-learning setpoint.
Fig. 15 SCALA2 outlet pressure indication
Fig. 16 Pressure indication table
TM06 3301 5114
SCALA2 Function
On/off
Increases the outlet pressure.
Decreases the outlet pressure.
Resets alarms.
Indicates the required outlet pressure.
Indicates that the pump has been
stopped manually.
Indicates that the operating panel is
locked.
TM06 4345 2015 TM06 4187 4117
BAR PSI Water colum kPa MPa
[m]
5.5 80 55 550 0.55
5.0 73 50 500 0.50
4.5 65 45 450 0. 45
4.0 58 40 400 0.40
3.5 51 35 350 0.35
3.0 44 30 300 0.30
2.5 36 25 250 0.25
2.0 30 20 200 0.20
1.5 22 15 150 0.15
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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