Main station SWU-20/4-GR
Main station SWU-20/4-GR
Standard equipment
- Supplied with certificate of stainless steel type used (AISI 1.4301). No use of ferritic steels (400 series) that are magnetic and liable to corrode
- Centrifugal frequency-controlled pressure-booster pump with integrated satellite
- Electromechanical switch, with choice from rinsing, foaming and disinfection
- Stainless steel protective cover for motor/pump part
- Robust construction and elegant finish
- Simple to maintain
What makes this unit suitable for wall mounting?
The SWU is compact and specifically designed for wall mounting, helping to save valuable floor space.
What functions does this cleaning unit offer?
The unit comes standard with rinsing, foaming, and disinfecting functions.
How is the unit operated?
An electromechanical switch allows easy toggling between the functions.
Is a hose reel included?
No, the hose reel is available as an optional accessory.
Is there a version available without external compressed air?
Yes, the SWU-K-20/1-GR-FD-R comes with an integrated compressor for use in locations without a central air supply.
TYPE
|
SWU-20/4-GR-F-R
|
SWU-20/4-GR-FD-R
|
SWU-20/4-GR-FF-R
|
|---|---|---|---|
Number of pressure regulators
|
1 regulator for F only
|
1 regulator for F only
|
1 regulator for both F's
|
USER INFORMATION
|
|||
Rinsing nozzle
|
15.25
|
15.25
|
15.25
|
Disinfection nozzle
|
40.20
|
40.20
|
40.20
|
Foam nozzle
|
80.150
|
80.150
|
80.150
|
Consumption with rinsing nozzle
|
25 l/min at 20 bar
|
25 l/min at 20 bar
|
25 l/min at 20 bar
|
Consumption with disinfection nozzle
|
N/A
|
10 l/min at 20 bar
|
N/A
|
Consumption with foam nozzle
|
11 l/min at 20 bar
|
11 l/min at 20 bar
|
11 l/min at 20 bar
|
Dosage range
|
1 % - 5,4 % at 20 bar
|
1 % - 5,4 % at 20 bar
|
1 % - 5,4 % at 20 bar
|
Standard dosage, disinfection
|
N/A
|
0,95 % at 20 bar
|
N/A
|
Standard dosage, foam
|
4% at 20 bar
|
4% at 20 bar
|
4% at 20 bar
|
Number of users
|
4
|
4
|
4
|
Recommended length of cleaning hose
|
10 m min. - 25 m max. Boonsjet 1/2”
|
10 m min. - 25 m max. Boonsjet 1/2”
|
10 m min. - 25 m max. Boonsjet 1/2”
|
PUMP
|
|||
Type
|
Multistage centrifugal
|
Multistage centrifugal
|
Multistage centrifugal
|
Material
|
Stainless steel
|
Stainless steel
|
Stainless steel
|
Brand / model
|
Grundfos
|
Grundfos
|
Grundfos
|
Model
|
CRNE3-11
|
CRNE3-11
|
CRNE3-11
|
Frequency inverter
|
✔️ | ✔️ | ✔️ |
Expansion tank
|
1,4 l (set to 8 bar)
|
1,4 l (set to 8 bar)
|
1,4 l (set to 8 bar)
|
WATER CONNECTION
|
|||
Supply pressure
|
0,5 bar min. - 10 bar max.
|
0,5 bar min. - 10 bar max.
|
0,5 bar min. - 10 bar max.
|
Supply flow
|
35 l/min min. - 40 l/min max.
|
35 l/min min. - 40 l/min max.
|
35 l/min min. - 40 l/min max.
|
Supply temperature
|
3°C min. - 70°C max.
|
3°C min. - 70°C max.
|
3°C min. - 70°C max.
|
Water inlet
|
1.1/4” inside thread
|
1.1/4” inside thread
|
1.1/4” inside thread
|
Water outlet
|
1.1/4” external thread + BOONS adapter
|
1.1/4” external thread + BOONS adapter
|
1.1/4” external thread + BOONS adapter
|
Operating pressure
|
20 bar at 4 bar pre-pressure
|
20 bar at 4 bar pre-pressure
|
20 bar at 4 bar pre-pressure
|
COMPRESSED AIR CONNECTION
|
|||
Supply pressure
|
5 bar min. - 10 bar max.
|
5 bar min. - 10 bar max.
|
5 bar min. - 10 bar max.
|
Supply flow
|
150 l/min
|
150 l/min
|
150 l/min
|
Compressed air inlet
|
Push-in coupling Ø 8 mm
|
Push-in coupling Ø 8 mm
|
Push-in coupling Ø 8 mm
|
COMPRESSOR
|
|||
Built-in
|
❌ | ❌ | ❌ |
Type
|
-
|
-
|
-
|
ELECTRICAL CONNECTION
|
|||
Engine power
|
4,6 kW
|
4,6 kW
|
4,6 kW
|
Power cable section
|
5G1,5 at 5 m (longer distances require cable calculation)
|
5G1,5 at 5 m (longer distances require cable calculation)
|
5G1,5 at 5 m (longer distances require cable calculation)
|
Power cable length
|
5 m
|
5 m
|
5 m
|
Amperage
|
3 x 16 A
|
3 x 16 A
|
3 x 16 A
|
Voltage
|
3 x 400 V + PE + N
|
3 x 400 V + PE + N
|
3 x 400 V + PE + N
|
Frequency
|
50/60 Hz
|
50/60 Hz
|
50/60 Hz
|
Control voltage
|
24 VAC
|
24 VAC
|
24 VAC
|
DIMENSIONS & WEIGHT
|
|||
Dimensions W x D x H
|
520 x 550 x 900 mm
|
520 x 550 x 900 mm
|
520 x 550 x 900 mm
|
Weight
|
80 kg
|
80 kg
|
80 kg
|
ARTICLE NUMBER
|
774464
|
639377
|
237680
|
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