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GRUNDFOS INSTRUCTIONS DME, Variant B (60-940 l/h) Installation and operating instructions Further languages http://net.grundfos.com/qr/i/99301275...
English (GB) Installation and operating instructions Original installation and operating instructions Fault finding chart Disposal CONTENTS Page Warning Safety instructions Prior to installation, read these installation Symbols used in this document and operating instructions. Installation and Qualification and training of personnel operation must comply with local regulations and accepted codes of good Safety instructions for the operator/user...
Using other parts can result in the pump for specific dosing media, please exemption from liability for any resulting contact Grundfos. consequences. 1.4 Safety of the system in the event of a failure in the dosing pump...
1.6 Diaphragm breakage 1.7 Operation with loose dosing head screws If the diaphragm leaks or is broken, dosing liquid escapes from the drain opening (fig. 1) on the dosing Warning head. Observe section 8.4 Diaphragm breakage. Danger of explosion, if dosing liquid has Warning entered the pump housing! Danger of explosion, if dosing liquid has...
2. General description 2.1 Applications The pump is suitable for liquid, non-abrasive, non- The Grundfos DME dosing pump is a self-priming flammable, non-crystallising and non-combustible diaphragm pump. media strictly in accordance with the instructions in The pump consists of: these installation and operating instructions.
2.3 Type key (Cannot be used for pump configuration.) Code Example DME 60 - 10 PP/ E/ C - F - Pump range Maximum capacity [l/h]: Maximum pressure [bar]: Control variant: Basic Dosing head material: Polypropylene PVDF Stainless steel 1.4401 Gasket material: EPDM PTFE...
3. Technical data 3.1 Mechanical data DME 60 DME 150 DME 375 DME 940 Maximum capacity* [l/h] Maximum capacity with anti-cavitation 75 %* [l/h] Maximum capacity with anti-cavitation 50 %* [l/h] 33.4 83.5 Maximum capacity with anti-cavitation 25 %* [l/h] 16.1...
4. Installation 4.3 Installation of pump • See also the installation example in section 4.1 Safety instructions 4.4 Installation example. The dosing head may contain water from the factory test. If a liquid which must not come into contact with water is to be Caution dosed, it is recommended to let the pump •...
The drawing in fig. 2 shows an installation example. The DME pump can be installed in many different ways. The sketch below shows an example with side- fitted control panel. The tank is a Grundfos chemical tank. Fig. 2 4.5 Electrical connection Warning •...
5. Functions 5.1 Control panel Menu, LCD display, see section see section Navigation/ settings, Navigation/ see section settings, see section On/off button, Green see section indicator light, see section 100% Maximum capacity (priming), see section indicator light, see section Power supply Fig.
3 Maximum pressure exceeded OVERLOAD 1 No motor rotation detected ORIGO 1 Please contact a Grundfos service centre. 2 Alarms can be reset when the faults have been corrected. 3 The pump will make 10 attempts to restart before going into permanent OFF mode.
5.5 Menu The pump features a user-friendly menu which is All menu items are described in the following activated by pressing the button. During start-up, sections. When appears at a menu item, it all texts will appear in English language. To select means that this item is activated.
DME 60: 75 ml/h - 60 l/h • in the case of a long suction tube and DME 150: 200 ml/h - 150 l/h • in the case of a high suction lift. DME 375: 500 ml/h - 375 l/h...
5.8 Capacity limitation This function offers the possibility of reducing the maximum pump capacity (MAX. CAP.). It influences the functions in which the pump is normally operating at maximum capacity. Under normal operating conditions, the pump cannot operate at a capacity which is higher than the one stated in the display.
5.10 Resetting Default settings: When "DEFAULT" is activated, the pump will return Operating mode: Manual to the factory settings. Capacity: Maximum capacity Note: The calibration is also set back to the default setting. This means that a new calibration is required Control panel lock: Unlocked when the "DEFAULT"...
5.12 Language The display text can be displayed in one of the following languages: • English • German • French • Italian • Spanish • Portuguese • Dutch • Swedish • Finnish • Danish • Czech • Slovak • Polish •...
5.14 Measuring units US measuring units: • Set the quantity to be dosed in gallons per hour It is possible to select metric units (litre/millilitre) or (gph). US units (gallons/millilitre). • For calibration, set the quantity to be dosed in Metric measuring units: ml per 100 strokes.
5.15 Control panel lock If the locking function has been activated but the control panel is unlocked, the control panel will be It is possible to lock the buttons on the control panel locked automatically if it is not operated for to prevent malfunction of the pump.
6. Start-up Step Action Prior to start-up, retighten the dosing head screws: • Cross-tighten the dosing head screws with a torque wrench once before commissioning and again after 2-5 operating hours at 5.5 Nm. (+ 0.5/- 0 Nm). Connect the hoses/pipes: •...
7. Calibration It is important that the pump is calibrated after installation to ensure that the correct value (ml/h or l/h) appears in the display. The calibration can be carried out in two different ways: • Direct calibration. The dosed quantity of 100 strokes is measured directly.
2. Stop the pump. The green LED is flashing. 3. Fill a graduated glass with dosing liquid, Q DME 60: approx. 1.5 l DME 150: approx. 2.5 l DME 375: approx. 6 l DME 940: approx. 14 l 4. Read and note the quantity Q 5.
Should you have any questions, please contact your clean cloth. service partner. 8.3 Perform service Only spare parts and accessories from Grundfos should be used for maintenance. The usage of non- original spare parts and accessories renders any liability for resulting damages null and void.
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This section refers to fig. 15. Before any work to the pump, the pump 1. Make system pressureless. must be disconnected from the power Caution 2. Empty the dosing head before maintenance and supply. The system must be pressureless! flush it, if necessary. 8.3.1 Dosing head overview 3.
(fig. 15, pos. 3) and • Send the pump to Grundfos for repair, following the safety diaphragm in the flange (fig. 15, pos. 1). the instructions given in section Repairs.
Observe section 8.4 Diaphragm breakage. The replacement of the supply cable must If the above requirements are not met, Grundfos may Note be carried out by an authorised Grundfos refuse to accept delivery of the pump. The shipping service workshop.
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Appendix Dimensions 4 x Ø 7 DME 60 DME 150 DME 375 DME 940 A = [mm] B = [mm] C = [mm] D = [mm] E = [mm] F = [mm] G = [mm] H = [mm] I = [mm]...
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Argentina China Germany Bombas GRUNDFOS de Argentina S.A. Grundfos Alldos GRUNDFOS Water Treatment GmbH Ruta Panamericana km. 37.500 Centro Dosing & Disinfection Reetzstraße 85 Industrial Garin ALLDOS (Shanghai) Water Technology D-76327 Pfinztal (Söllingen) 1619 - Garin Pcia. de B.A. Co. Ltd.
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