User manual GRUNDFOS MQ

[. . . ] GRUNDFOS DATA BOOKLET MQ Self-priming multistage pumps 50 Hz Contents General data Applications Type key Pumped liquids Operating conditions Technical data Features and benefits Control panel Installation Product range, 1 x 220-240 V 3 3 3 3 3 3 4 4 4 Technical data Material specification Performance curves Dimensions Technical data 5 6 6 6 2 General data Applications The MQ pump is designed for water supply and pressure boosting · in private homes · in summer houses and weekend cottages · on farms · in market gardens and other large gardens. The pump is suitable for pumping of potable water and rainwater. MQ Features and benefits · Complete system The MQ is a complete, all-in-one unit, incorporating pump, motor, diaphragm tank, pressure and flow sensor, controller and non-return valve. [. . . ] · Automatic reset The pump features an automatic reset function. In case of dry running or similar alarm, the pump will stop. Restarting will be attempted every 30 minutes for a period of 24 hours. · Low noise level Thanks to its hydraulic design and internal cooling, the pump is extremely low-noise, which makes it suitable for both indoor and outdoor use. · Pressure tank The built-in pressure tank reduces the number of starts and stops in case of leakages in the pipe system, causing less wear on the pump. · Maintenance No maintenance of the pump is required. Type key Example Pump range Rated flow [m3/h] Maximum head [m] Code for pump version A: Standard Code for pipework connection O: External thread Code for materials A: Standard Code for shaft seal MQ 3 -35 A -O -A - BVBP Pumped liquids Potable water, rainwater or other clean, thin, nonaggressive liquids, not containing solid particles or fibres. Operating conditions System pressure: Inlet pressure: Suction lift: Liquid temperature: Ambient temperature: Max. 8 m 0 °C to +35 °C 0 °C to +45 °C. Technical data Mains voltage: Voltage tolerances: Enclosure class: Insulation class: Sound pressure level: Marking: 1 x 220-240 V, 50 Hz ­ 10 % / + 6 % IP 54 B 55 dB(A) CE. 3 General data Control panel Operation of the MQ pump is effected entirely via the control panel. 2 1 4 3 MQ Installation Self-cooling, compact and horizontal, the pump is well suited for installations where space is limited. In addition, the pump discharge is flexible, ± 5 °, to facilitate connection to existing pipework. The pump is supplied complete with a 2 m cable. 5 TM01 9684 2600 6 Fig. 1 Function On/Off button Indicator light for mains connection (green) Indicator light for mains connection (red) Pump on (green) Description The pump is started and stopped wIth the On/Off button. Indicates that the pump is ready for operation. 2 3 4 Indicates that the pump is on standby. Indicates that the auto reset function is active. After an alarm, restarting will be attempted every 30 minutes for a period of 24 hours. Indicates that the pump is in alarm state. [. . . ] V7164094 1106 GB Subject to alterations. GRUNDFOS A/S . Denmark Telephone: +45 87 50 14 00 www. grundfos. com [. . . ]