Pressure boosting System description Wilo-Economy CO-MHI.../ER Multiple-pump systems Equipment/function

Pressure boosting System description Wilo-Economy CO-MHI.../ER Multiple-pump systems Equipment/function
Pressure boosting
Multiple-pump systems
System description Wilo-Economy CO-MHI.../ER
Equipment/function
• 2-4 pumps per system
• Components in contact with the fluid are corrosion-resistant
• Galvanised base frame with height-adjustable vibration damper for
insulation against structure-borne noise
• Pipework made of stainless steel 1.4571
• Gear-operated shut-off ball cock/annular shut-off valve on suction
and pressure side of every pump
• Non-return valve, on pressure side
• Diaphragm pressure vessel 8 l, PN 16, on pressure side
• Pressure sensor, on discharge side
• Optional pressure gauge (suction side)
• Pressure gauge (discharge side)
• Optional low-water cut-out switchgear
Materials
Pressure boosting system with 2 to 4 parallel-switched, non-selfpriming, horizontal high-pressure multistage centrifugal pumps
made of stainless steel
Type key
Example:
CO
-2
MHI
4
05
ER
Wilo-CO-2 MHI 405/ER
Compact pressure boosting system
Number of pumps
Pump series
Nominal volume flow of the single pump [m3/h]
(with 2-pole version/50 Hz)
Number of single-pump stages
Control unit; ER = Economy controller
Application
Options
Scope of delivery
Completely ready for connection (and tested) unit conforming to DIN
1988 Part 5 with 2 to 4 parallel stainless steel high-pressure multistage centrifugal pumps, glanded type (MHI series), mounted on a
common base frame, complete pipework including all hydraulically
required components, central switchgear, pressure sensors and complete cabling/wiring. Including packing and installation/operating instructions.
Commercial water supply and
pressure boosting
Design
• Impellers: 1.4301/1.4404 stainless steel
• Stage chambers: 1.4301/1.4404 stainless steel
• Pump housing: 1.4301/1.4404 stainless steel
• Shaft: Stainless steel 1.4404
• Gasket: EPDM (EP 851)/Viton
• Housing cover: 1.4301/1.4404
• Mechanical seal: B-carbon/tungsten carbide
• Pressure shroud: 1.4301/1.4404
• Bearing: Tungsten carbide
• Pump foot: Aluminium
• For fully automatic water supply and pressure boosting in residential,
commercial and public buildings, hotels, hospitals, department stores
and for industrial systems.
• Pumping of potable water and process water, cooling water, water for
fire-fighting or other water mixtures that do not chemically or mechanically attack the materials used and do not contain abrasive or
long-fibre constituents
Special features/product benefits
• Compact system with outstanding price/performance ratio in accordance with the requirements of DIN 1988
• 2 - 4 horizontal MHI series full stainless steel high-pressure multistage centrifugal pumps switched in parallel
• Easily adjustable and operationally reliable thanks to integrated control devices ER 2 to ER 4
• Customised units on request
Scope of delivery
• Factory-mounted, ready-to-connect pressure boosting system
checked for proper functioning and impermeability
• Packaging
• Installation and operating instructions
Note
Special versions e.g. for deionised water, suction mode, etc. on request.
Technical data
• Volume flow Qmax 75 m³/h
• Delivery head Hmax 60 m
• Mains connection 3~230 V / 400 V, 50 Hz
• Fuse A, AC 3 on mains side in conformity with motor power and EVU
regulations
• Fluid temperature max. 50 °C
• Operating pressure 10 bar
• Inlet pressure 6 bar
• Nominal connection diameters R 2, R 2½, R 3
• Protection class IP 44
Wilo Building Services catalogue – 50 Hz – Water supply – Edition 2011/2012 – Subject to change without prior notice
419
Pressure boosting
Multi-pump systems
Technical data Wilo-Economy CO-MHI.../ER
Wilo-Economy CO-MHI.../ER
Approved fluids (other fluids on request)
Cooling water
Potable and process water
Fire water (wet line; for dry lines on request*)
•
•
•
Power
Max. volume flow without standby pump m3/h
95.0
Max. volume flow with standby pump m3/h
130.0
Max. delivery head m
60
Nominal speed rpm
2850
Max. fluid temperature °C
70
Max. ambient temperature °C
40
Standard version for operating pressure bar
10
Inlet pressure bar
6
Electrical connection (other versions on request)
Mains connection 1~230 V
Mains connection 3~400 V
•
•
Mains frequency Hz
50
Permitted voltage tolerance %
+/- 10
Rating P2 max [kW] max. 10 A (for > 4 kW downstream electromechanical power section)
•
Mains-side fuse protection [AC 3]
According to motor power and power supply company regulations
Protection class
IP 41 / IP 54 optional
Insulation class
F
• = available, - = not available
* Note on standards and regulations:
Comply with separate specifications of DIN 1988 (EN 806) and of fire-protection authorities.
Note on fluids:
Approved fluids are generally water mixtures which do not chemically or mechanically attack the materials used and do not contain either abrasive or fibrous matter.
420
Wilo Building Services catalogue – 50 Hz – Water supply – Edition 2011/2012 – Subject to change without prior notice
Pressure boosting
Multi-pump systems
Overview duty charts Wilo-Economy CO-MHI.../ER
Wilo-Economy CO-2 - CO-4 MHI 202-206/ER
80
Wilo-Economy-CO 2 - 4
MHI 2..
70
60
H[m]
50
40
30
CO 2
1x
CO 3
2x
CO 4
3x
1x
1x
1x
CO 4
4x
20
10
0
0
2
0
4
6
1
8
10
2
12
[m3/h]
14
3
4
[l/s]
Q
Commercial water supply and
pressure boosting
---- 4-pump operation (3 pumps plus peak-load cut-in of the standby pump)
Comply with the requirements of DIN 1988 (EN 806) if the pressure boosting system is to be used in public buildings.
Wilo-Economy CO-2 - CO-4 MHI 402-406/ER
80
Wilo-Economy-CO 2 - 4
MHI 4..
70
60
H[m]
50
40
30
CO 2
1x
CO 3
2x
CO 4
3x
1x
1x
1x
CO 4
4x
20
10
0
0
0
4
8
2
12
16
4
20
24
6
[m3/h]
28
8
[l/s]
Q
---- 4-pump operation (3 pumps plus peak-load cut-in of the standby pump)
Comply with the requirements of DIN 1988 (EN 806) if the pressure boosting system is to be used in public buildings.
Wilo Building Services catalogue – 50 Hz – Water supply – Edition 2011/2012 – Subject to change without prior notice
421
Pressure boosting
Multi-pump systems
Overview duty charts Wilo-Economy CO-MHI.../ER
Wilo-Economy CO-2 - CO-4 MHI 802-805/ER
70
Wilo-Economy-CO 2 - 4
MHI 8..
60
50
H[m]
40
30
CO 2
1x
CO 3
2x
CO 4
3x
1x
1x
1x
CO 4
4x
20
10
0
0
8
16
0
24
32
40
5
48
10
56
[m3/h]
l/s
15
Q
---- 4-pump operation (3 pumps plus peak-load cut-in of the standby pump)
Comply with the requirements of DIN 1988 (EN 806) if the pressure boosting system is to be used in public buildings.
Wilo-Economy CO-2 - CO-4 MHI 1602-1604/E
50
Wilo-Economy-CO 2 - 4
MHI 16..
45
40
35
H[m]
30
25
CO 2
1x
CO 3
2x
CO 4
3x
1x
1x
1x
CO 4
4x
20
15
10
5
0
0
0
25
5
50
10
75
15
20
[m3/h]
25
[l/s]
Q
---- 4-pump operation (3 pumps plus peak-load cut-in of the standby pump)
Comply with the requirements of DIN 1988 (EN 806) if the pressure boosting system is to be used in public buildings.
422
Wilo Building Services catalogue – 50 Hz – Water supply – Edition 2011/2012 – Subject to change without prior notice
Pressure boosting
Multi-pump systems
Pump curves Wilo-Economy CO-MHI.../ER
Wilo-Economy CO-2 MHI 202-206/ER
70
Wilo-CO 2
MHI 202 - 206/ER
206
60
205
50
204
H[m]
40
30
203
20
202
10
0
0
1
2
0
3
4
0,5
5
1,0
6
7
1,5
8
9
2,0
2,5
[m3/h]
[l/s]
Q
Commercial water supply and
pressure boosting
----including standby pump
Wilo-Economy CO-2 MHI 402-406/ER
70
Wilo-CO 2
MHI 402 - 406/ER
406
60
405
50
404
H[m]
40
403
30
20
402
10
0
0
0
2
0,5
4
1,0
6
1,5
8
2,0
10
2,5
12
3,0
[m3/h]
14
3,5
4,0
[l/s]
Q
----including standby pump
Wilo Building Services catalogue – 50 Hz – Water supply – Edition 2011/2012 – Subject to change without prior notice
423
Pressure boosting
Multi-pump systems
Pump curves Wilo-Economy CO-MHI.../ER
Wilo-Economy CO-2 MHI 802-805/ER
60
Wilo-CO-2 MHI 802 - 805/ER
805
50
804
40
803
H[m]
30
802
20
10
0
5
0
0
10
1,0
2,0
15
3,0
20
4,0
5,0
[m3/h]
25
6,0
[l/s]
7,0
Q
Wilo-Economy CO-2 MHI 1602-1604/ER
50
Wilo-CO-2 MHI 1602 - 1604/ER
1604
40
1603
H[m]
30
1602
20
10
0
0
0
5
1
10
2
15
3
4
20
5
25
3
7
30
8
35
9
40
10
11
45
12
[m3/h]
13
[l/s]
Q
424
Wilo Building Services catalogue – 50 Hz – Water supply – Edition 2011/2012 – Subject to change without prior notice
Pressure boosting
Multi-pump systems
Pump curves Wilo-Economy CO-MHI.../ER
Wilo-Economy CO-3 MHI 202-206/ER
70
Wilo-CO 3
MHI 202 - 206/ER
206
60
205
50
204
H[m]
40
30
203
20
202
10
0
0
1
2
0
3
0,5
4
5
1,0
6
7
1,5
8
2,0
9
10
2,5
11
12
3,0
13
14
3,5
[m3/h]
4,0 [l/s]
Commercial water supply and
pressure boosting
Q
----including standby pump
Wilo-Economy CO-3 MHI 402-406/ER
70
Wilo-CO 3
MHI 402 - 406/ER
406
60
405
50
404
H[m]
40
403
30
20
402
10
0
0
2
0
0,5
4
1,0
6
1,5
8
2,0
10
2,5
12
3,0
14
3,5
16
4,0
4,5
18
20
5,0
5,5
22
6,0
[m3/h]
[l/s]
Q
----including standby pump
Wilo Building Services catalogue – 50 Hz – Water supply – Edition 2011/2012 – Subject to change without prior notice
425
Pressure boosting
Multi-pump systems
Pump curves Wilo-Economy CO-MHI.../ER
Wilo-Economy CO-3 MHI 802-805/ER
60
Wilo-CO-3 MHI 802 - 805/ER
805
50
804
40
H[m]
803
30
802
20
10
0
5
0
0
1,0
10
2,0
15
3,0
4,0
20
5,0
25
6,0
30
7,0
[m3/h]
35
8,0
9,0
[l/s]
10,0
Q
----including standby pump
Wilo-Economy CO-3 MHI 1602-1604/ER
50
Wilo-CO 3
MHI 1602 - 1604/ER
1604
40
1603
H[m]
30
1602
20
10
0
0
0
10
2
20
4
30
6
8
40
10
50
12
14
60
16
[m3/h]
70
18
20
[l/s]
Q
----including standby pump
426
Wilo Building Services catalogue – 50 Hz – Water supply – Edition 2011/2012 – Subject to change without prior notice
Pressure boosting
Multi-pump systems
Pump curves Wilo-Economy CO-MHI.../ER
Wilo-Economy CO-4 MHI 202-206/ER
70
Wilo-CO 4
MHI 202 - 206/ER
206
60
205
50
204
H[m]
40
30
203
20
202
10
0
0
2
0
4
0,5
6
1,0
8
1,5
2,0
10
2,5
12
3,0
14
3,5
16
4,0
4,5
18
[m3/h]
5,0
[l/s]
Commercial water supply and
pressure boosting
Q
----including standby pump
Wilo-Economy CO-4 MHI 402-406/ER
70
Wilo-CO 4
MHI 402 - 406/ER
406
60
405
50
404
H[m]
40
403
30
20
402
10
0
0
0
4
1
8
2
12
3
16
4
20
5
24
6
[m3/h]
28
7
8
[l/s]
Q
----including standby pump
Wilo Building Services catalogue – 50 Hz – Water supply – Edition 2011/2012 – Subject to change without prior notice
427
Pressure boosting
Multi-pump systems
Pump curves Wilo-Economy CO-MHI.../ER
Wilo-Economy CO-4 MHI 802-805/ER
60
Wilo-CO 4
MHI 802 - 805/ER
805
50
804
40
H[m]
803
30
802
20
10
0
0
10
0
20
2
4
30
6
40
8
10
50
12
[m3/h]
14
[l/s]
Q
----including standby pump
Wilo-Economy CO-4 MHI 1602-1604/ER
50
Wilo-CO 4
MHI 1602 - 1604/ER
1604
40
1603
H[m]
30
1602
20
10
0
0
0
10
2,5
20
5
30
7,5
40
10
50
12,5
60
15
70
17,5
20
80
90
[m3/h]
22,5
25
[l/s]
Q
----including standby pump
428
Wilo Building Services catalogue – 50 Hz – Water supply – Edition 2011/2012 – Subject to change without prior notice
Pressure boosting
Multi-pump systems
Dimensions, weights Wilo-Economy CO-MHI.../ER
Electrical connection
L1 L2 L3 N PE U V W PE
1
p Signal
Ext.
I/O
WMS
WSK
KLF
SSM
2
4
SBM
250 V. 1A
Wilo-Economy
CO-...
Mains connection
Nominal power
Nominal current
P1
IN
kW
A
2 MHI 202/ER
3~230/400 V, 50 Hz
0.83
3 /1.7
2 MHI 203/ER
3~230/400 V, 50 Hz
0.83
3 /1.7
2 MHI 204/ER
3~230/400 V, 50 Hz
0.83
3 /1.7
2 MHI 205/ER
3~230/400 V, 50 Hz
1.04
3.6 /2.1
2 MHI 206/ER
3~230/400 V, 50 Hz
1.44
5.3 /3.1
2 MHI 402/ER
3~230/400 V, 50 Hz
0.83
3 /1.7
2 MHI 403/ER
3~230/400 V, 50 Hz
1.04
3.6 /2.1
2 MHI 404/ER
3~230/400 V, 50 Hz
1.04
3.6/2.1
2 MHI 405/ER
3~230/400 V, 50 Hz
1.44
5.3 /3.1
2 MHI 406/ER
3~230/400 V, 50 Hz
1.92
6.6/3.8
2 MHI 802/ER
3~230/400 V, 50 Hz
1.04
3.6 /2.1
2 MHI 803/ER
3~230/400 V, 50 Hz
1.44
5.3 /3.1
2 MHI 804/ER
3~230/400 V, 50 Hz
1.92
6.6 /3.8
2 MHI 805/ER
3~230/400 V, 50 Hz
2.4
8.55/4.95
2 MHI 1602/ER
3~230/400 V, 50 Hz
1.92
6.6 /3.8
2 MHI 1603/ER
3~230/400 V, 50 Hz
2.4
8.55/4.95
2 MHI 1604/ER
3~230/400 V, 50 Hz
3.15
10.1/5.85
3 MHI 202/ER
3~230/400 V, 50 Hz
0.83
3 /1.7
3 MHI 203/ER
3~230/400 V, 50 Hz
0.83
3 /1.7
3 MHI 204/ER
3~230/400 V, 50 Hz
0.83
3 /1.7
3 MHI 205/ER
3~230/400 V, 50 Hz
1.04
3.6 /2.1
3 MHI 206/ER
3~230/400 V, 50 Hz
1.44
5.3 /3.1
3 MHI 402/ER
3~230/400 V, 50 Hz
0.83
3 /1.7
3 MHI 403/ER
3~230/400 V, 50 Hz
1.04
3.6 /2.1
3 MHI 404/ER
3~230/400 V, 50 Hz
1.04
3.6 /2.1
3 MHI 405/ER
3~230/400 V, 50 Hz
1.44
5.3 /3.1
3 MHI 406/ER
3~230/400 V, 50 Hz
1.92
6.6/3.8
Wilo Building Services catalogue – 50 Hz – Water supply – Edition 2011/2012 – Subject to change without prior notice
Commercial water supply and
pressure boosting
Motor data
429
Pressure boosting
Multi-pump systems
Dimensions, weights Wilo-Economy CO-MHI.../ER
Motor data
Wilo-Economy
CO-...
430
Mains connection
Nominal power
Nominal current
P1
IN
kW
A
3 MHI 802/ER
3~230/400 V, 50 Hz
1.04
3.6 /2.1
3 MHI 803/ER
3~230/400 V, 50 Hz
1.44
5.3 /3.1
3 MHI 804/ER
3~230/400 V, 50 Hz
1.92
6.6 /3.8
3 MHI 805/ER
3~230/400 V, 50 Hz
2.4
8.55/4.95
3 MHI 1602/ER-EB
3~230/400 V, 50 Hz
1.92
6.6 /3.8
3 MHI 1603/ER
3~230/400 V, 50 Hz
2.4
8.55/4.95
3 MHI 1604/ER
3~230/400 V, 50 Hz
3.15
10.1/5.85
4 MHI 202
3~230/400 V, 50 Hz
0.83
3 /1.7
4 MHI 203
3~230/400 V, 50 Hz
0.83
3 /1.7
4 MHI 204
3~230/400 V, 50 Hz
0.83
3 /1.7
4 MHI 205
3~230/400 V, 50 Hz
1.04
3.6 /2.1
4 MHI 206
3~230/400 V, 50 Hz
1.44
5.3 /3.1
4 MHI 402/ER
3~230/400 V, 50 Hz
0.83
3 /1.7
4 MHI 403/ER
3~230/400 V, 50 Hz
1.04
3.6 /2.1
4 MHI 404/ER
3~230/400 V, 50 Hz
1.04
3.6/2.1
4 MHI 405/ER
3~230/400 V, 50 Hz
1.44
5.3 /3.1
4 MHI 406/ER
3~230/400 V, 50 Hz
1.92
6.6/3.8
4 MHI 802/ER
3~230/400 V, 50 Hz
1.04
3.6 /2.1
4 MHI 803/ER
3~230/400 V, 50 Hz
1.44
5.3 /3.1
4 MHI 804/ER
3~230/400 V, 50 Hz
1.92
6.6 /3.8
4 MHI 805/ER
3~230/400 V, 50 Hz
2.4
8.55/4.95
4 MHI 1602/ER
3~230/400 V, 50 Hz
1.92
6.6 /3.8
4 MHI 1603/ER
3~230/400 V, 50 Hz
2.4
8.55/4.95
4 MHI 1604/ER
3~230/400 V, 50 Hz
3.15
10.1/5.85
Wilo Building Services catalogue – 50 Hz – Water supply – Edition 2011/2012 – Subject to change without prior notice
Pressure boosting
Multi-pump systems
Dimensions, weights Wilo-Economy CO-MHI.../ER
Wilo-Economy CO-2 - CO-4 MHI 202-805/ER
P ± 10
Wilo-Economy CO-2 - CO-4 MHI 1602-1604/ER
X
E(**)
X
RPD
RPS
H1
H3
H3
RPS
P3
H2 ± 10
3)
H1
3)
H2 ± 10
H
H
RPD
L1
P ± 10
P3
L1
P±10
L ± 10
L±10
Sample systems with 4 pumps are shown
Dimensions, weights
No. of
standby
pumps
No. of
duty
pumps
Dimensions
L
L1
H
H1
H2
Weight
approx.
H3
P
P3
X
m
mm
kg
2 MHI 202/ER
1
1
600
300
980
180
400
90
725
300
600
50
2 MHI 203/ER
1
1
600
300
980
180
400
90
725
300
600
50
2 MHI 204/ER
1
1
600
300
980
180
400
90
775
300
600
52
2 MHI 205/ER
1
1
600
300
980
180
400
90
775
300
600
56
2 MHI 206/ER
1
1
600
300
980
180
400
90
800
300
600
66
2 MHI 402/ER
1
1
600
300
980
180
400
90
725
300
600
54
2 MHI 403/ER
1
1
600
300
980
180
400
90
725
300
600
58
2 MHI 404/ER
1
1
600
300
980
180
400
90
775
300
600
64
2 MHI 405/ER
1
1
600
300
980
180
400
90
775
300
600
68
2 MHI 406/ER
1
1
600
300
980
190
400
90
800
300
600
72
2 MHI 802/ER
1
1
600
300
1000
180
410
90
760
300
600
65
2 MHI 803/ER
1
1
600
300
1000
180
410
90
760
300
600
73
2 MHI 804/ER
1
1
600
300
1000
180
410
90
820
300
600
75
2 MHI 805/ER
1
1
600
300
1000
180
410
90
820
300
600
136
2 MHI 1602/ER
1
1
600
300
1085
180
485
90
815
300
600
114
2 MHI 1603/ER
1
1
600
300
1085
180
485
90
815
300
600
119
2 MHI 1604/ER
1
1
600
300
1085
190
485
90
860
300
600
126
3 MHI 202/ER
1
2
900
300
980
180
400
90
725
300
900
71
3 MHI 203/ER
1
2
900
300
980
180
400
90
725
300
900
71
3 MHI 204/ER
1
2
900
300
980
180
400
90
775
300
900
74
3 MHI 205/ER
1
2
900
300
980
180
400
90
775
300
900
80
3 MHI 206/ER
1
2
900
300
980
180
400
90
800
300
900
95
3 MHI 402/ER
1
2
900
300
980
180
400
90
725
300
900
77
3 MHI 403/ER
1
2
900
300
980
180
400
90
725
300
900
83
3 MHI 404/ER
1
2
900
300
980
180
400
90
775
300
900
91
3 MHI 405/ER
1
2
900
300
980
180
400
90
775
300
900
98
3 MHI 406/ER
1
2
900
300
980
190
400
90
800
300
900
104
3 MHI 802/ER
1
2
900
300
1000
180
410
90
760
300
900
94
3 MHI 803/ER
1
2
900
300
1000
180
410
90
760
300
900
106
3 MHI 804/ER
1
2
900
300
1000
180
410
90
820
300
900
109
Wilo Building Services catalogue – 50 Hz – Water supply – Edition 2011/2012 – Subject to change without prior notice
Commercial water supply and
pressure boosting
Wilo-Economy CO-...
431
Pressure boosting
Multi-pump systems
Dimensions, weights Wilo-Economy CO-MHI.../ER
Dimensions, weights
Wilo-Economy CO-...
No. of
standby
pumps
No. of
duty
pumps
Dimensions
L
L1
H
H1
H2
Weight
approx.
H3
P
P3
X
m
mm
432
kg
3 MHI 805/ER
1
2
900
300
1000
180
410
90
820
300
900
144
3 MHI 1602/ER-EB
1
2
900
300
1115
180
500
90
895
300
900
152
3 MHI 1603/ER
1
2
900
300
1115
180
500
90
895
300
900
158
3 MHI 1604/ER
1
2
900
300
1115
190
500
90
940
300
900
169
4 MHI 202
1
3
1200
300
980
180
400
90
725
300
1200 82
4 MHI 203
1
3
1200
300
980
180
400
90
725
300
1200 82
4 MHI 204
1
3
1200
300
980
180
400
90
775
300
1200 86
4 MHI 205
1
3
1200
300
980
180
400
90
775
300
1200 94
4 MHI 206
1
3
1200
300
980
180
400
90
800
300
1200 114
4 MHI 402/ER
1
3
1200
300
1000
180
410
90
745
300
1200 90
4 MHI 403/ER
1
3
1200
300
1000
180
410
90
745
300
1200 98
4 MHI 404/ER
1
3
1200
300
1000
180
410
90
795
300
1200 109
4 MHI 405/ER
1
3
1200
300
1000
180
410
90
795
300
1200 118
4 MHI 406/ER
1
3
1200
300
1000
190
410
90
820
300
1200 125
4 MHI 802/ER
1
3
1200
300
1000
180
410
90
760
300
1200 113
4 MHI 803/ER
1
3
1200
300
1000
180
410
90
760
300
1200 129
4 MHI 805/ER
1
3
1200
300
1000
180
410
90
820
300
1200 164
4 MHI 804/ER
1
3
1200
300
1000
180
410
90
820
300
1200 133
4 MHI 1602/ER
1
3
1200
300
1115
180
500
90
895
300
1200 189
4 MHI 1603/ER
1
3
1200
300
1115
180
500
90
895
300
1200 198
4 MHI 1604/ER
1
3
1200
300
1115
190
500
90
940
300
1200 212
Wilo Building Services catalogue – 50 Hz – Water supply – Edition 2011/2012 – Subject to change without prior notice
Pressure boosting
Multiple-pump systems
System description Wilo-Comfort-N CO-/COR-MVIS.../CC
Technical data
• Mains connection 3~230 / 400 V, 50 Hz
• Fuse A, AC 3 on mains side in conformity with motor power and EVU
regulations
• Fluid temperature max. 50 °C
• Operating pressure 16 bar
• Inlet pressure 6 bar
• Nominal connection diameters R 2, R 2½
• Protection class IP 44
Equipment/function
• 2-6 pumps per system
• Automatic pump control via CC Controller
• Components in contact with the fluid are corrosion-resistant
• Galvanised base frame with height-adjustable vibration damper for
insulation against structure-borne noise
• Pipework made of stainless steel 1.4571
• Gear-operated shut-off ball cock/annular shut-off valve on suction
Design
and pressure side of every pump
Type key
Example:
CO
R
-4
MVIS
8
04
CC
Wilo-COR-4 MVIS 804/CC
Compact pressure boosting system
Control of the respective base load pump via
frequency converter
Number of pumps
Pump series
Nominal volume flow of the single pump [m3/h]
(with 2-pole version/50 Hz)
Number of single-pump stages
Control unit; CC = Comfort Controller
• Non-return valve, on pressure side
• Diaphragm pressure vessel 8 l, PN16, pressure side
• Pressure sensor, on discharge side
• Optional pressure gauge (suction side)
• Pressure gauge (discharge side)
• Optional low-water cut-out switchgear
Materials
• Impellers stainless steel 1.4301
• Stage chambers stainless steel 1.4301
• Pump housing stainless steel 1.4301
• Shaft stainless steel 1.4122
• Seal EPDM (EP 851)
• Lower housing section stainless steel 1.4301
• Pressure shroud stainless steel 1.4301
• Bearing carbon, synthetic resin impregnated
• Pump base made of EN-GJL-250
Commercial water supply and
pressure boosting
Pressure boosting system with 2 to 6 parallel-switched, non-selfpriming stainless steel high-pressure multistage centrifugal pumps
with glandless pump motor
Options
Application
• Fully automatic water supply and pressure boosting in residential,
commercial and public buildings, hotels, hospitals, department stores
and for industrial systems
• Pumping of potable water and process water, cooling water, water for
fire-fighting or other water mixtures that do not chemically or mechanically attack the materials used and do not contain abrasive or
long-fibre constituents
Special features/product benefits
Scope of delivery
Connection-ready and tested unit conforming to DIN 1988 Part 5
with 2 to 6 parallel stainless steel high-pressure multistage centrifugal pumps, glandless type (MVIS series), mounted on a common base
frame, complete pipework including all hydraulically required components, central controller, pressure sensors and complete cabling/wiring. Including packing and installation/operating instructions.
Scope of delivery
• Convenient system in accordance with all requirements of DIN 1988
• 2 - -6 vertical MVIS series full stainless steel high-pressure multi-
• Factory-mounted, ready-to-connect pressure boosting system
stage centrifugal pumps switched in parallel
• virtually noiseless system thanks to glandless stainless steel highpressure centrifugal pump of the MVIS series
• Up to 20 dB[A] quieter than conventional systems with comparable
hydraulic output
• Customised units on request
• Packaging
• Installation and operating instructions
checked for proper functioning and impermeability
Note
Easy-to-use CC Comfort Controller, with memory-programmable
PLC control and graphics-ready touch screen, menu-prompted input
of operating parameters, available with or without frequency converter for infinitely variable control of base-load pump (COR series
includes frequency converter)
Wilo Building Services catalogue – 50 Hz – Water supply – Edition 2011/2012 – Subject to change without prior notice
433
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