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15.4 Other technical data
EMC (electromagnetic compatibility)
EN 61 800-3.
Motors of 0.37 kW up to and including 7.5 kW:
Residential areas
- unlimited distribution,
corresponding to CISPR 11, class B, group 1.
Industrial areas - unlimited distribution,
corresponding to CISPR 11, class A, group 1.
Motors of 11 kW up to and including 22 kW:
Immunity to electromagnetic disturbance - second environment
(industrial areas).
Contact Grundfos for further information.
Enclosure class
• Single-phase pumps: IP 55 / NEMA3R (IEC 34-5)
• Three-phase pumps, 0.75 - 7.5 kW: IP55 / NEMA3R
(IEC 34-5)
• Three-phase pumps, 11-22 kW: IP 54 (IEC 34-5).
Insulation class
F (IEC 85).
Ambient temperature
• During operation: –20
°
C to +40
°
C.
• During storage/transport: –30
°
C to +60
°
C.
Relative air humidity
Maximum 95 %.
Sound pressure level
Single-phase pumps:
<70 dB(A).
Three-phase pumps:
16. Re-lubrication of motor motor bearings
(MMGE motors)
The motor bearings are pre-lubricated on delivery. After approx.
3000 operating hours, the bearings must be re-lubricated.
When lubricating the first time, use the double quantity of
lubricating grease as the lubricating channel is still empty.
The recommended grease type is Asonic GHY 72, which is a
polycarbamide-based lubricating grease.
17. 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.
Motor
[kW]
Speed stated
on nameplate
[min
-1
]
Sound pressure
level
[dB(A)]
0.75
2800-3000
63
3400-3600
68
1.1
2800-3000
63
3400-3600
68
1.5
2800-3000
63
3400-3600
68
2.2
2800-3000
64
3400-3600
68
3.0
2800-3000
64
3400-3600
68
4.0
2800-3000
68
3400-3600
73
4200-4500
75
5.5
2800-3000
68
3400-3600
73
4200-4500
75
7.5
2800-3000
74
3400-3600
79
4200-4500
80
11
2800-3000
69
15
2800-3000
70
18.5
2800-3000
70
22
2800-3000
73
Note
Before re-lubrication, the bottom plug in the
motor flange and the plug in the bearing cover
must be removed to ensure that old and excess
grease can run out.
Frame size
Quantity of
lubricating grease
[ml]
Lubricating
intervals
[hours]
Drive end
(DE)
Non-drive
end (NDE)
MMGE 160
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20
3000
MMGE 180
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Subject to alterations.
Grundfos.bk Page 23 Tuesday, April 17, 2007 8:54 AM
