Grundfos DMX 227 Installation And Operating Instructions Manual
Dosing pump
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Also See for DMX 227:
- Installation and operating instructions, supplement (68 pages) ,
- Instructions manual (17 pages)
Related Manuals for Grundfos DMX 227
Summary of Contents for Grundfos DMX 227
- Page 1 GRUNDFOS INSTRUCTIONS DMX 227 Dosing pump Installation and operating instructions Further languages http://net.grundfos.com/qr/i/99559294...
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Page 2: Table Of Contents
Identification of safety instructions in this manual These installation and operating instructions contain all the Qualification and training of personnel information required for starting up and handling the DMX 227 Risks when safety instructions are not observed dosing pump. Safety-conscious working... -
Page 3: Safety
If the safety instructions are not observed, all rights to claims for dosing system damages may be lost. DMX 227 dosing pumps are designed according to the latest Non-observance of the safety instructions may lead to the technologies and are carefully manufactured and tested. -
Page 4: Technical Data
3.1.1 Nameplate Stainless steel, 1.4401 (EN 10027-2), 316 (AISI) Polypropylene Polyvinyl chloride Grundfos Water Treatment GmbH - Reetzstr. 85 - D - 76327 Pfinztal Terminal box position (also VFD postion) XXX XX-XX X-XXX/X/X-X-XXXXXXXXXXX PN: XXXXXXXX SN: XXXXXXXXXX DMX 1120-5D D-PVC/V/PVC-X-E2RRXE0AG... -
Page 5: Pump Types
3.2 Pump types The pump nameplate shows various data of the pump like the type designation and the pump model. For an explanation of the nameplate see section 3.1.1 Nameplate. The pump type is the left part of the type designation and consists of the type abbreviation, the nominal dosing capacity and the maximum counterpressure. -
Page 6: Suction Heights
3.6 Dosing medium Double-head pumps In the event of questions regarding the material Caution resistance and suitability of the pump for specific dosing media, please contact Grundfos. The dosing medium must have the following basic characteristics: • liquid • non-abrasive •... -
Page 7: Dimensional Sketches
3.10 Dimensional sketches 3.10.1 Dimensions of DMX 227 single-head pumps All dimensions are in mm, except for the thread designations. Pump type 24.5 128.5 194.5 Pump connection Pump type size D1 DN65 DMX 860-5 ANSI 2 1/2 DN65 DMX 1120-5... - Page 8 3.10.2 Dimensions of DMX 227 double-head pumps All dimensions are in mm, except for the thread designations. Pump type 24.5 128.5 194.5 Pump connection Pump type size D1 DN65 DMX 860-5D ANSI 2 1/2 DN65 DMX 1120-5D ANSI 2 1/2...
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Page 9: Transport And Storage
If Grundfos is requested to service the pump, it must be ensured that the pump is free from substances that can be injurious to health or toxic. If the pump has been used for such substances, the pump must be cleaned before it is returned. -
Page 10: Installation
5. Installation 5.1 Optimum installation Max. 1 m max. 1m Fig. 2 Example of optimum installation • When installing the suction line, observe the following: Pos. Components – Keep the suction line as short as possible. Prevent it from becoming tangled. Dosing tank –... -
Page 11: Mounting
• Note for suction-side installation: In dosing systems with a • To avoid the siphon effect, install a pressure-loading valve (7i) suction line longer than 1 metre, depending on the dosing flow, in the discharge line and, if necessary, a solenoid valve (14i) in it may be necessary to install a properly sized pulsation the suction line. -
Page 12: Connecting The Suction And Discharge Lines
Pipe and flange made of PVC: Adhere the pipe to the flange The pump housing must only be opened by sleeve. personnel authorised by Grundfos! • The internal diameter of the lines, adapters and connectors should not be smaller than DN 65. If necessary, use bends Warning instead of elbows. -
Page 13: Commissioning
5. Switch off the pump after approx. 10 minutes, check the oil level, and add oil, if necessary. 6. Refit the oil-filling screw with dipstick. 7.2.2 Starting the pump Fig. 12 DMX 227 1. Switch on the power supply. 2. Pumps with frequency converter: Set the dosing rate to Pos. -
Page 14: Switching On/Off
Observe the manufacturer’s instructions! The connections must be carried out according to these instructions. Settings of frequency converter when used with Grundfos dosing pumps Pay special attention to the following parameters of the frequency converter: •... - Page 15 9.1.5 Relay outputs With DC voltage • Connect the free-wheeling diode parallel to the relay or The relay output connection depends on the contactor. Note application and the connected actuators. DC + • Interference suppression is required for inductive loads (also relays and contactors).
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Page 16: Maintenance
The gear oil must only be changed by authorised and If the LED is off in this case, either the sensor or the cable is qualified personnel. defective or wrongly connected. For this purpose, send the pump to Grundfos or an • Red LED authorised service workshop. -
Page 17: Cleaning The Suction And Discharge Valves
10.3 Cleaning the suction and discharge valves If possible, rinse the dosing head, e.g. by supplying it Caution with water. If the pump loses capacity, clean the suction and discharge valves as follows: See fig. 18. 1. Loosen the cap nuts (8) on the supporting ring (1). 2. -
Page 18: Replacing The Diaphragm
10.4 Replacing the diaphragm Grundfos gear oil If possible, rinse the dosing head, e.g. by supplying it Order no Description Note with water. 98683958 5.0 l DHG 68 10.4.1 Switching off the pump 98683959 7.5 l DHG 68 1. Switch off the pump and disconnect it from the power supply. -
Page 19: Fault Finding Chart
They apply to: 1. Use the public or private waste collection service. • performance of single pump (the flow rate is doubled for the 2. If this is not possible, contact the nearest Grundfos company double pump) or service workshop. •... - Page 20 Appendix 1. Dosing curves 2500 Q [l/h] 2000 1500 1000 p = 5 bar p = 5bar p = 2 bar p = 2bar f [Hz] Fig. 1 DMX 860-5 3000 Q [l/h] 2500 2000 1500 p = 5 bar p = 5bar 1000 p = 2 bar...
- Page 21 Appendix Safety declaration Please copy, fill in and sign this sheet and attach it to the pump returned for service. Fill in this document using English or German Note language. We hereby declare that this product is free from hazardous chemicals, biological and radioactive substances: Product type: ________________________________ Model number: _____________________________...
- Page 23 Phone: +55-11 4393 5533 20th km. Athinon-Markopoulou Av. Telefax: +64-9-415 3250 Turkey Telefax: +55-11 4343 5015 P.O. Box 71 GRUNDFOS POMPA San. ve Tic. Ltd. Sti. Norway Bulgaria GR-19002 Peania Gebze Organize Sanayi Bölgesi GRUNDFOS Pumper A/S Grundfos Bulgaria EOOD...
- Page 24 99559294 0819 ECM: 1250494 www.grundfos.com...