Grundfos MGE 71 User Manual

English (GB)
3
English (GB) Installation and operating instructions
Original installation and operating instructions.
CONTENTS
Page
1. Symbols used in this document
2. Abbreviations and definitions
1. Symbols used in this document
3
2. Abbreviations and definitions
3
3. General description
4
3.1 Radio communication
4
3.2 Battery
4
4. Identification
5
4.1 Nameplate
5
4.2 Type key
6
5. Mechanical installation
6
5.1 Handling
6
5.2 Mounting
6
5.3 Cable entries
6
5.4 Ensuring motor cooling
7
5.5 Outdoor installation
7
5.6 Drain holes
7
6. Electrical installation
7
6.1 Protection against electric shock, indirect contact
7
6.2 Cable requirements
7
6.3 Mains supply
8
6.4 Additional protection
9
6.5 Functional modules
9
6.6 Connection terminals on functional modules
9
6.7 Signal cables
14
6.8 Bus connection cable
14
7. Operating conditions
14
7.1 Maximum number of starts and stops
14
7.2 Ambient temperature
14
7.3 Installation altitude
14
7.4 Air humidity
14
7.5 Motor cooling
14
8. User interfaces
15
8.1 Basic control panel
15
8.2 Standard control panel
15
8.3 Changing the position of the control panel
17
8.4 R100 remote control
18
8.5 Grundfos GO Remote
28
9. External setpoint signal
29
9.1 Closed-loop operation (controlled)
29
9.2 Open-loop operation (uncontrolled)
29
10. Bus signal
29
11. Priority of settings
29
12. Grundfos Eye
30
13. Signal relays
31
14. Megging
32
15. Technical data, single-phase motors
32
15.1 Supply voltage
32
15.2 Leakage current
32
16. Technical data, three-phase motors
32
16.1 Supply voltage
32
16.2 Leakage current
32
17. Inputs/outputs
32
18. Other technical data
33
18.1 Sound pressure level
33
19. Disposal
34
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
If these safety instructions are not observed,
it may result in personal injury.
Warning
If these instructions are not observed, it may lead
to electric shock with consequent risk of serious
personal injury or death.
Warning
The surface of the product may be so hot that
it may cause burns or personal injury.
Caution
If these safety instructions are not observed,
it may result in malfunction or damage to the
equipment.
Note
Notes or instructions that make the job easier
and ensure safe operation.
AI Analog input.
AL Alarm, out of range at lower limit.
AO Analog output.
AU Alarm, out of range at upper limit.
CIM Communication interface module.
Current sinking
The ability to draw current into the terminal
and guide it towards GND in the internal
circuitry.
Current sourcing
The ability to push current out of the
terminal and into an external load which
must return it to GND.
DI Digital input.
DO Digital output.
ELCB Earth leakage circuit breaker.
FM Functional module.
GDS
Grundfos Digital Sensor.
Factory-fitted sensor in some Grundfos
pumps.
GENIbus Proprietary Grundfos fieldbus standard.
GFCI Ground fault circuit interrupter.
GND Ground.
Grundfos Eye Status indicator light.
LIVE
Low voltage with the risk of electric shock if
the terminals are touched.
OC
Open collector:
Configurable open-collector output.
PE Protective earth.
PELV
Protective extra-low voltage.
A voltage that cannot exceed ELV under
normal conditions and under single-fault
conditions, except earth faults in other
circuits.
SELV
Safety extra-low voltage.
A voltage that cannot exceed ELV under
normal conditions and under single-fault
conditions, including earth faults in other
circuits.

Grundfos MGE 71 Specifications

General

Brand	Grundfos
Model	MGE 71
Category	Water Pump
Language	English