Grundfos CRK 2 Installation And Operating Instructions Manual
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Summary of Contents for Grundfos CRK 2
- Page 1 GRUNDFOS INSTRUCTIONS CRK, MTR Installation and operating instructions...
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Page 2: Table Of Contents
When the entire pump is to be lifted, observe the Electrical connection following: Frequency converter operation • CRK and MTR pumps fitted with a Grundfos MG Other motor makes motor up to 0.75 kW should be lifted in the pump head by means of straps or the like. Start-up •... -
Page 3: Applications
3. Applications 4. Identification The Grundfos pumps, types CRK and MTR, are tank 4.1 Nameplate for CRK and MTR mounted multistage centrifugal pumps designed for the following applications: • liquid transfer in machine tools • condensate transfer Type MTR10-6/3 A-W-A-HUUV •... -
Page 4: Type Key For Crk
4.2 Type key for CRK Example CRK E 4 - 160 / 2 -x -x -x -xxxx Pump type Pump with integrated frequency control Rated flow rate [m Number of chambers x 10 Number of impellers Code for pump version Code for pipework connection Code for materials Code for shaft seal and rubber pump parts... -
Page 5: Type Key For Mtr, Mtre
4.3 Type key for MTR, MTRE Example MTR E 32 (s) -2 -1 -A -F -A -H UU V Pump type Pump with integrated frequency control Rated flow rate [m All impellers with reduced diameter (applies only to MTR 1s) Number of chambers, see fig. -
Page 6: Technical Data
5. Technical data In such cases, it may be necessary to use a motor with a higher rated output. Pump type Minimum liquid temperature [°C] Maximum liquid temperature [°C] (120*) Maximum operating pressure [bar] Enclosure class IP55 IP55 Applies to pump version F 20 25 30 35 40 45 50 55 60 65 70 75 80 t [°C] 5.1 Ambient temperature... -
Page 7: Caution
6. Installation 5.3 Minimum flow rate Due to the risk of overheating, the pump should not Warning be used at flows below the minimum flow rate. The pump must be installed so that The curve below shows the minimum flow rate as a persons cannot accidentally come into percentage of the nominal flow rate in relation to the contact with the hot surface of the motor. -
Page 8: Suction Conditions
4 x X 25 mm Fig. 9 CRK 2, 4 and MTR 1s, 1, 3, 5 Fig. 8 Vertical installation Mounting flange dimensions: 25 mm Pump type Rp 1 1/4 ∅7.5 CRK 2, 4 140 160 180 100 G 1 1/4 Fig. -
Page 9: Electrical Connection 9 Following
The electrical connection should be carried out by an 7.1.1 Motors supplied by Grundfos authorized electrician in accordance with local All three-phase motors supplied by Grundfos can be regulations. connected to a frequency converter. The electrical connection should be carried out as... -
Page 10: Start-Up
8. Start-up 9. Maintenance Warning Warning Pay attention to the direction of the vent Before starting work on the pump, make hole and take care to ensure that the sure that all power supplies to the pump escaping water does not cause injury to have been switched off and that they persons or damage to the motor or other cannot be accidentally switched on. -
Page 11: Filters
18.5 is injurious to health or toxic, the pump will be classified as contaminated. If Grundfos is requested to service the pump, Grundfos must be contacted with details about the pumped liquid, etc. before the pump is returned for service. Otherwise Grundfos can refuse to accept the pump for service. -
Page 12: Fault Finding
12. Fault finding Warning Before starting work on the pump, make sure that all power supplies to the pump have been switched off and that they cannot be accidentally switched on. Fault Cause Remedy Motor does not run Power supply failure. Connect the power supply. -
Page 13: Disposal
This product or parts of it must be disposed of in an environmentally sound way: 1. Use the public or private waste collection service. 2. If this is not possible, contact the nearest Grundfos company or service workshop. Subject to alterations. - Page 14 Appendix CRK and MTR 1s to 20 M6: 13 Nm M8: 31 Nm M10: 62 Nm M5: 2.5 Nm...
- Page 15 MTR 32, 45, 64 MTR45 MTR64 MTR32 M10 x 2.5: 62 Nm...
- Page 16 GB: EC/EU declaration of conformity CZ: Prohlášení o shodě EU We, Grundfos, declare under our sole responsibility that the products My firma Grundfos prohlašujeme na svou plnou odpovědnost, že CRK, MTR, to which the declaration below relates, are in conformity výrobky CRK, MTR, na které...
- Page 18 Argentina China Hong Kong Bombas GRUNDFOS de Argentina S.A. GRUNDFOS Pumps (Shanghai) Co. Ltd. GRUNDFOS Pumps (Hong Kong) Ltd. Ruta Panamericana km. 37.500 Centro 10F The Hub, No. 33 Suhong Road Unit 1, Ground floor Industrial Garin Minhang District Siu Wai Industrial Centre 1619 Garín Pcia.
- Page 19 Malaysia Serbia Turkey GRUNDFOS Pumps Sdn. Bhd. Grundfos Srbija d.o.o. GRUNDFOS POMPA San. ve Tic. Ltd. 7 Jalan Peguam U1/25 Omladinskih brigada 90b Sti. Glenmarie Industrial Park 11070 Novi Beograd Gebze Organize Sanayi Bölgesi 40150 Shah Alam Phone: +381 11 2258 740...
- Page 20 96496966 0316 ECM: 1181099 www.grundfos.com...
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