English (GB)
5
English (GB) Installation and operating instructions
Original installation and operating instructions.
CONTENTS
Page
1. Symbols used in this document
2. General description
The MQ is a compact water supply system consisting
of a pump, motor, pressure tank and controller
combined in an integral unit.
The pump starts automatically when water is
consumed in the installation and stops when the
consumption ceases. The MQ is a low-noise pump
which can be installed both indoors and outdoors.
The pump is self-priming and has a non-return valve
incorporated in the suction port. See fig. 1.
The pump features a user-friendly control panel.
The pressure tank incorporated in the pump reduces
the number of starts and stops in case of leakage in
the installation.
The MQ pump has built-in overtemperature and
dry-running protection.
2.1 Applications
Typical applications:
• Pressure boosting in storage tanks
(maximum inlet pressure 3 bar) and
• water supply from wells (maximum suction lift
8 metres), e.g.
– in private homes
– in summer and weekend cottages
– on farms
– in market gardens and other large gardens.
The pump can be used for rain water and has been
approved for drinking water.
The maximum suction lift of the pump can be
determined from the diagram on page 261.
Example:
If the suction lift is 2.5 metres, the length of the
suction pipe must not exceed 24 metres.
1. Symbols used in this document
5
2. General description
5
2.1 Applications
5
2.2 Type key
6
2.3 MQ pump
6
3. Pumped liquids
6
4. Technical data
7
4.1 Operating conditions
7
4.2 Electrical data
7
4.3 Dimensions
7
4.4 Approvals
7
5. Functions
8
5.1 Control panel
8
5.2 Pump stop
9
6. Mounting and connection
10
6.1 Mounting the pump
10
6.2 Electrical connection
11
6.3 Generator or inverter
11
6.4 Startup
12
7. Maintenance
12
7.1 Service kits
12
7.2 Shaft seal run-in
12
7.3 Start-up after a long time of inactivity
12
8. Service
12
9. Fault finding
13
10. Disposal
14
Warning
Prior to installation, read these
installation and operating instructions.
Installation and operation must comply
with local regulations and accepted
codes of good practice.
Warning
The use of this product requires
experience with and knowledge of the
product.
Persons with reduced physical,
sensory or mental capabilities must not
use this product, unless they are under
supervision or have been instructed in
the use of the product by a person
responsible for their safety.
Children must not use or play with this
product.
Warning
If these safety instructions are not
observed, it may result in personal
injury.
If these safety instructions are not
observed, it may result in malfunction
or damage to the equipment.
Notes or instructions that make the job
easier and ensure safe operation.
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