User manual GRUNDFOS MQ
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Manual abstract: user guide GRUNDFOS MQ
Detailed instructions for use are in the User's Guide.
[. . . ] 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. [. . . ] · Built-in protective functions If exposed to dry running or excessive temperature, for example in case of seizure or overload, the pump will stop automatically, thus preventing a motor burnout. · Automatic reset The pump features an automatic reset function. 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. After an alarm, restarting will be attempted every 30 minutes for a period of 24 hours. [. . . ] 1. 4301, AISI 304
MQ
100a 101 49 16 4 2
184 174a 65
42
14
7
10 150 92 103 104
TM01 9733 5006
Fig. 2 Sectional drawing of MQ
5
Technical data
Performance curves
p [kPa]
500 48 -45 400 40 -35
MQ
H [m]
MQ 3
50 Hz
ISO 9906 Annex A
300
32
24 200 16 100 8
-25
0
0 0. 0 0. 0 0. 4 0. 8 0. 2 1. 2 0. 4 1. 6 2. 0 0. 6 2. 4 2. 8 0. 8 3. 2 3. 6 1. 0
Q [m³/h] Q [l/s]
P1 [kW]
1. 0
Eta [%]
25
-45 P1 0. 8 0. 6 0. 4 0. 2 0. 0 0. 0 0. 4 0. 8 1. 2 1. 6 2. 0 2. 4 2. 8 3. 2 3. 6 -35 P1 -25 P1 Eta 20 15 10 5 0
TM01 9678 4103
Q [m³/h]
The curves shown correspond to a suction lift of 0 m.
Dimensions
240 G1 320 G1
Technical data
Pump type MQ 3-25 MQ 3-35 MQ 3-45 Voltage 1 x 220-240 V 1 x 220-240 V 1 x 220-240 V I1/1 [A] 3. 3 4. 0 4. 5 Istart [A] 11. 7 11. 7 11. 7 P2 [W] 450 550 670 Net weight [kg] 13. 0 13. 0 13. 0
192
190 570
4 x ø10
114 218
6
TM01 9734 2800
7
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V7164094 0607
Repl. [. . . ]
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