Grundfos MQ Series Installation And Operating Instructions Manual
Hide thumbs
Also See for MQ Series:
Table of Contents
Advertisement
Advertisement
Table of Contents
Related Manuals for Grundfos MQ Series
Summary of Contents for Grundfos MQ Series
- Page 1 GRUNDFOS INSTRUCTIONS Installation and operating instructions...
-
Page 2: Table Of Contents
Operating conditions of said products and not by Grundfos' warranty. Suction lift Grundfos will not be liable for damage or wear to Mechanical installation products caused by abnormal operating conditions, Location accident, abuse, misuse, unauthorized alteration or... -
Page 3: Symbols Used In This Document
2. Symbols used in this document 5. Applications The MQ water supply system is designed for these Warning typical applications: If these safety instructions are not • water pressure boosting observed, it may result in personal (maximum inlet pressure: 40 psi) injury. -
Page 4: Identification
6. Identification 6.1 Type key Example BVBP Pump type Rated flow rate [m Head [m] Code for pump version A: Standard Code for pipework connection Code for materials A: Standard Code for shaft seal Protective cover (accessory) Control panel Pressure tank cover Discharge port Priming plug End-cover plug... -
Page 5: Operating Conditions
7. Operating conditions MQ 3-35 MQ 3-45 Maximum flow rate [gpm] Maximum inlet pressure [psi] Pump discharge range [psi] 15-49 18-63 Maximum combined discharge pressure: Max. 55-89 58-103 Inlet + pump discharge range [psi] Maximum suction lift [ft]; see page Minimum ambient temperature [°F]/[°C] 32/0 Maximum ambient temperature [°F]/[°C]... -
Page 6: Mechanical Installation
8. Mechanical installation To prevent movement and vibrations, the pump and base plate can be secured to a solid foundation by means of the bolt holes in the base plate. 8.1 Location For pipework connection, see section Pipework. The pump is suitable for indoor and outdoor The bolt holes are covered by a thin plastic layer that installation. -
Page 7: Space Requirement
8.3 Space requirement Carefully screw the discharge connection into the discharge port, using a spanner or similar tool. For inspection and service, allow a minimum Hold the discharge connection, and tighten the pump clearance of 6" behind the pump. discharge union nut with your hand. See fig. 7. 6"... -
Page 8: Protective Cover
8.4.2 Suction hose instead of pipe 8.5 Protective cover If a suction hose is used instead of a pipe, the hose Failure to use the protective cover in should not exceed the lengths stated in the graph, Note page 19. The suction hose must be minimum ∅1". outdoor installations will invalidate the warranty. -
Page 9: Electrical Connection
9. Electrical connection The pump must be connected to the mains via a sheathed cable with a protective ground lead. The electrical connections and additional protection It is possible to replace the mains supply cable. should be carried out by qualified persons in See fig. -
Page 10: Wiring Diagram
9.2 Wiring diagram 9.2.1 115 V Electric motor Yellow White Yellow/green (ground) Black (phase) > Cable White (neutral) Orange Black > Flow sensor > Pressure switch Fig. 14 Wiring diagram - 115 V 9.3 Winding resistance measurement Ambient temperature Motor Resistance Measuring point Winding... -
Page 11: Winding Resistance Measurement
9.3.1 230 V Electric motor Yellow White Yellow/green (ground) Black (phase) > Cable White (neutral) Orange Black > Flow sensor > Pressure switch Fig. 15 Wiring diagram - 230 V 9.4 Winding resistance measurement Ambient temperature Motor Resistance Measuring point Winding [V/Hz] [Ω... -
Page 12: Startup
Warning Running the pump at a higher inlet pressure than recommended (44 psi) can cause the pump to leak. Grundfos cannot be held responsible for any damage to the pump and/or its surroundings if this warning is not followed. -
Page 13: Functions
10. Functions 10.1 Control panel The MQ pump is operated entirely by means of the control panel. See fig. 1. The control panel offers the possibility of starting/stopping the pump. The pump settings and operating condition are indicated by indicator lights. See fig. 17. Fig. -
Page 14: Pump Stop
Illustration Description Auto-reset (green): As standard, this function is activated on delivery (does not apply to pump versions for Australia). When the indicator light is • on, the Auto-reset function is activated. The pump will automatically attempt to restart every 30 minutes after an alarm/fault over a period of 24 hours. -
Page 15: Maintenance
Fig. 18 Draining the pump contaminated. If Grundfos is requested to service the pump, 11.1 Service kits Grundfos must be contacted with details about the Service kits are available for the MQ pump. pumped liquid, etc. before the pump is returned for The service kits consist of the following replaceable service. -
Page 16: Technical Data
13. Technical data 13.1 Dimensions 13.2 Electrical data MQ 3-35 MQ 3-45 Enclosure type Enclosure class IP54 Insulation class Supply cable 6.56 ft SJTW 18 awg with/without plug 1 x 115-120 V - 10/+ 6 %, 60 Hz 900 W / 8.0 A 1100 W / 10.0 A Voltage, power consumption, 1 x 220-240 V - 10/+ 6 %, 60 Hz... -
Page 17: Fault Finding Chart
Clean the valve or fit a new one. consumed. is leaking or defective. If the pump does not start when the fault has been corrected, contact your pump supplier or Grundfos for further information. -
Page 18: Mq Frequently Asked Questions
12 seconds, the alarm will be declared after 2. If this is not possible, contact the nearest 1 minute, and the motor is stopped. The MQ Grundfos company or service workshop. attempts to automatically restart every 30 minutes for a maximum of 24 hours. If more than 24 hours pass without water, the pump must Subject to alterations. - Page 19 Appendix Exploded view...
- Page 20 Pos. Description (US) Descripción (MX) Description (CA) Motor stool with base plate Soporte del motor con base Lanterne moteur avec socle Priming plug Tapón de cebado Bouchon d’amorçage Self-priming part Pieza de autocebado Pièce d’auto-amorçage Pump sleeve Camisa de la bomba Chemise de pompe Pressure tank Tanque de presión...
- Page 21 GRUNDFOS Kansas City GRUNDFOS Canada GRUNDFOS México 17100 West 118th Terrace 2941 Brighton Road Boulevard TLC No. 15 Olathe, Kansas 66061 Oakville, Ontario L6H 6C9 Canada Parque Industrial Stiva Aeropuerto Phone: (913) 227-3400 Phone: +1-905 829 9533 C.P. 66600 Apodaca, N.L. México...
- Page 22 98691646 0215 ECM: 1151620 www.grundfos.com...