Grundfos MTD Series, Инструкция по установке и эксплуатации

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English (GB)
9
8. Technical data
8.1 Vibration level
* Vibration according to ISO 10816-1 class IB
8.2 Sound pressure level
Maximum permissible ambient
temperature [°C]
+40
Permissible storage temperature
[°C]
-50 to +70
Maximum operating pressure [bar] 7
Enclosure class according to IEC
60034-5
IP54
Motor insulation class F
Maximum voltage fluctuation
according to IEC 60034
± 10 %
Recommended maximum number of
starts per hour
0-3 kW
≤
200
3.7 →
≤
40
Dry running Not allowed
Maximum installation altitude 1000 m
Pay attention to condensation problems in
humid areas.
Vibration velocity RMS [mm/s]* < 1.8
Pump
Rated P2
[W]
L
pA
[dB(A)]
50 Hz 60 Hz
MTD 250-XXX/2 1500/1800 < 70 < 70
MTD 250-XXX/3 2200/2500 < 70 < 70
MTD 250-XXX/4 3000/3700 < 75 < 75