Grundfos DP 10.50 Manual
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Grundfos DP 10.50 Manual

Grundfos DP 10.50 Manual

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CONTENTS
1.
General description
1.1
2.
3.
4.
4.1
4.2
5.
5.1
5.2
5.3
6.
6.1
6.2
7.
7.1
7.2
7.3
7.4
7.5
7.6
7.7
8.
9.
10.
Before beginning installation procedures,
these installation and operating instruc-
tions should be studied carefully. The in-
stallation and operation should also be in
accordance with local regulations and ac-
cepted codes of good practice.
1. General description
Grundfos DP and EF wastewater pumps are portable
and designed for pumping domestic and industrial
wastewater.
Two types of pumps are available:
• DP 10.50 and DP 10.65 drainage pumps
• EF 30.50 effluent pump.
The pumps are designed for free-standing installa-
tion.
DP 10.65.26 pumps can be installed on an auto-cou-
pling system.
16
Page
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17
17
1
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2
17
3
17
18
18
19
19
20
Fig. 1 DP 10.50 pump
20
20
21
21
22
22
22
1
22
2
23
24
24
25
25
4
Fig. 2 DP 10.65 pump
1
2
3
Fig. 3 EF 30.50 pump
Explanation to figures 1, 2 and 3:
Pos.
Description
1
Cable plug
2
Nameplate
3
Discharge port Rp 2
4
5
6
Stator housing
7
Oil screw
8
9
Pump housing
10
Suction strainer (DP pumps only)
5
6
7
8
9
10
5
6
7
8
9
10
5
6
7
8
9

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Summary of Contents for Grundfos DP 10.50

  • Page 1: Table Of Contents

    Grundfos DP and EF wastewater pumps are portable and designed for pumping domestic and industrial wastewater. Two types of pumps are available: • DP 10.50 and DP 10.65 drainage pumps Fig. 3 EF 30.50 pump • EF 30.50 effluent pump. Explanation to figures 1, 2 and 3: The pumps are designed for free-standing installa- tion.

  • Page 2: Applications

    4. Installation 1.1 Applications DP 10 pumps are designed for pumping The loose nameplate supplied with the pump should • drainage and surface water be fixed at the installation site or kept in the cover of this booklet. • groundwater All safety regulations must be observed at the instal- •...

  • Page 3: Free-Standing Submerged Installation

    CU 100 control box, or If the pump is installed in muddy conditions or on un- • a Grundfos LC/D 107, LC/D 108 or LC/D 110 even ground, it is recommended to support the pump pump controller.

  • Page 4: Cu 100 Control Box

    See fig. 4 or 5 and the installation and operating in- • The start level switch should be installed in such structions for the selected control box or pump con- a way that the pump is started at the required troller.

  • Page 5: Thermal Switches

    They must be connected to the 7. Check whether the system has been filled with Grundfos LC/D 108 pump controller via the liquid and vented. The pump is self-venting. intrinsically safe LC-Ex4 barrier to ensure 8. Start the pump.

  • Page 6: Direction Of Rotation

    Except for service on the hydraulic part, all other service work must be carried out by If the direction of rotation is wrong, interchange any Grundfos or an authorized service two of the incoming supply wires, see fig. 4 or 5. workshop.

  • Page 7: Inspection Intervals

    7.1 Inspection intervals 6. Rotate the impeller by hand to check that it is not touching the wear plate. Pumps running normal operation should be checked 7. DP pumps only: Fit the suction strainer and at least once a year, but at least after 3000 operating tighten the screws (pos.

  • Page 8: Oil Change

    If it is worn and must be replaced, the pump and that the oil screws are pointing upwards. must be checked by Grundfos or an authorized 2. Fill oil into the oil chamber through the upper hole service workshop.

  • Page 9: Service Kits

    If Grundfos is requested to service the pump, Grund- fos must be contacted with details about the pumped liquid, etc. before the pump is returned for service.

  • Page 10: Fault Finding Chart

    1. Use the local public or private waste collection service. 2. In case such waste collection service does not exist or cannot handle the materials used in the product, please deliver the product or any haz- ardous materials from it to your nearest Grundfos company or service workshop.

  • Page 11: Technical Data And Operating Conditions

    For short periods up to +60°C. Explosion-proof pumps must never pump liquids with a temperature higher than 40°C. Density of pumped liquid Maximum 1100 kg/m³. In the case of higher values, contact Grundfos. Installation depth Maximum 10 metres below liquid level. Subject to alterations.

This manual is also suitable for:

Dp 10.65Ef 30.50

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