• Installation types D and H: See section Dry
installation.
For installation type D, air can be vented
through an air-vent screw on top of the
cooling jacket.
For installation type H, air venting is not
necessary after the pump is filled with wa-
ter.
• Installation type ST: For standard pumps, the
liquid level must be at least 350 mm above the
pump inlet. See fig. Submerged installation in
column pipe.
Operating mode
The pumps are designed for continuous operation
with the maximum number of starts per hour stated in
the table below:
S pump, range Starts per hour
50
54
58
20
62
66
70
15
Ingress Protection class
IP68, according to IEC 60529.
Sound pressure level
CAUTION
Sound pressure level
Minor or moderate personal injury
‐ Use hearing protection when working
nearby an installation in operation. De-
pending on the installation type, the
sound pressure level of the pump may
exceed 70 dB(A).
Storage temperature
Storage temperature: -40 to +55 °C. Maximum 70 °C
for short periods not exceeding 24 hours (EN
60204-1).
Related information
4.1.3 Dry installation
4.1.1.1 Installation types
10.2
Electrical data
Voltage tolerances for the motor and the motor
protection devices:
Component
Voltage Tolerance
Motor
See the pump
nameplate
± 10 %
Thermal switches Maximum 240 V ± 10 %
Thermistors 2.5 - 7.5 V -
Moisture switches Maximum 240 V -
Other sensors (op-
tional)
Maximum 14 VDC ± 1 V
SM 113 (optional) Maximum 14 VDC ± 1 V
10.3 Dimensions and weights
Dimensions
For pump dimensions, see the data booklet for each
pump range at www.grundfos.com.
Weights
The weights stated include 10 m cables.
The weights of installation type S and C
pumps include the weight of the guide
shoe.
The weight of installation type H pumps in-
cludes the weight of the horizontal base
stand.
The weights stated are netto weights in-
cluding the accessories mounted from the
factory.
41
English (GB)
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