English (GB)
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12. Technical data
12.1 Lifting station
12.2 Collecting tank
12.3 Pump
12.4 LC 221 controller
13. Disposal
This product or parts of it must be disposed of in an
environmentally sound way:
1. Use the public or private waste collection service.
2. If this is not possible, contact the nearest Grundfos company
or service workshop.
The crossed-out wheelie bin symbol on a product
means that it must be disposed of separately from
household waste. When a product marked with this
symbol reaches its end of life, take it to a collection
point designated by the local waste disposal
authorities. The separate collection and recycling of such
products will help protect the environment and human health.
Weight:
Depending on variant.
See nameplates
Temperature range:
0-40 °C
For short periods up to 60 °C
(max. 5 minutes per hour)
Flood conditions:
Max. 2 m for 7 days
Sound pressure level:
< 70 dB(A) according to
EN 12050-1 and the Machinery
Directive
Material:
PE (polyethylene)
Motor
Mains frequency:
50 Hz
Isolation class:
F (155 °C)
Impeller type:
Vortex
Enclosure class:
IP68
pH-range:
4-10
Starts per hour:
Max. 60
Max density of liquid:
1100 kg/m
3
Component
Material
Pump housing
Cast iron
Impeller
PPE+PS
Pump shaft
Stainless steel,
DIN W.-Nr. 1.4301
Motor cable
Polychloroprene
O-rings
NBR rubber
Controller
Voltage variants,
rated voltages:
1 x 230 V, 3 x 230 V,
3 x 400 V
Voltage tolerances for LC 221: - 10 %/+ 6 % of rated voltage
Mains frequency for LC 221:
50/60 Hz
Supply system earthing:
For TN systems
Controller power consumption: 6 W
Control circuit fuse:
Fine-wire fuse:
100 mAT / 250 V / 20 mm x
∅
5
Ambient temperature:
During operation:
In stock:
0 to +40 °C (must not be
exposed to direct sunlight)
-30 to +60 °C
Enclosure class:
IP55
Potential-free contacts:
NO/NC, max. 250 VAC / 2 A
Input external reset:
230 V
Cabinet of LC 221
External dimensions:
Height = 390 mm
Width = 262 mm
Depth = 142 mm
Material:
ABS
(acrylonitrile butadiene styrene)
Weight:
Depending on variant.
See nameplate
Multilift MD
Multilift MLD
Duty
Voltage [V]
Power P1 / P2
[kW]
I
1/1
/ I
start
[A]
RPM [min
-1
]
Number of
poles
Plug type
MD/MLD.12.1.4
S3 -50 %, 1 min.
1 x 230 V
1.9 / 1.4
9 / 39
1430
4
E/F, I
-
MD/MLD.12.3.4
3 x 400 V
1.8 / 1.5
3.7 / 19
CEE 3P+N+E, 16 A
MD/MLD.15.1.4
1 x 230 V
2.3 / 1.7
10.1 / 39
1410
4
E/F, I
-
MD/MLD.15.3.4
3 x 400 V
2.3 / 1.8
4 / 19
CEE 3P+N+E, 16 A
MD/MLD.22.3.4
S3 -50 %, 1 min.
3 x 230 V
2.8 / 2.3
10.2 / 51.5
1430
4
CEE 3P+E 16 A
MD/MLD.22.3.4
3 x 400 V
5.5 / 29.7
CEE 3P+N+E, 16 A
MD/MLD.24.3.2
3 x 230 V
3.1 / 2.6
9.7 / 88.7
2920
2
CEE 3P+E 16 A
MD/MLD.24.3.2
3 x 400 V
5.5 / 39
CEE 3P+N+E, 16 A
MD/MLD.32.3.2
3 x 230 V
4.0 / 3.4
88.7
2920
2
CEE 3P+E 16 A
MD/MLD.32.3.2
3 x 400 V
6.7 / 39
CEE 3P+N+E, 16 A
MD/MLD.38.3.2
S3 -40 %, 1 min.
3 x 230 V
4.6 / 3.9
13 / 88.7
2880
2
CEE 3P+E 16 A
MD/MLD.38.3.2
3 x 400 V
7.5 / 39
CEE 3P+N+E, 16 A
