English (GB) Installation and operating instructions
Original installation and operating instructions
Table of contents
1. General information ............. 5
1.1 Hazard statements .............. 5
1.2 Notes ..................... 6
1.3 Target groups ................. 6
2. Product introduction ............ 6
2.1 Product description .............. 6
2.2 Pumped liquids and intended use ...... 7
2.3 Operating conditions ............. 7
2.4 Identification.................. 8
2.5 Approvals ...................10
3. Receiving the product............12
3.1 Transporting the product ...........12
3.2 Handling and lifting the product .......12
4. Safety .....................12
4.1 Potentially explosive environments......12
5. Mechanical installation ...........14
5.1 Installation types ...............14
5.2 Torques for inlet and outlet flanges......16
6. Electrical connection ............17
6.1 Protection and control functions .......17
6.2 Wiring diagrams................19
6.3 Pump controllers ...............22
6.4 Thermal switch, Pt1000 and PTC
thermistor ...................22
6.5 Water-in-oil sensor ..............22
6.6 Moisture switch ................23
6.7 IO 113 .....................23
6.8 Frequency converter operation ........24
7. Startup ....................25
7.1 General startup procedure ..........25
7.2 Operating modes ...............25
7.3 Direction of rotation ..............27
8. Servicing the product ............27
8.1 Maintenance .................28
8.2 Dismantling the pump.............29
8.3 Assembling the pump.............31
8.4 Oil quantities .................33
8.5 Service kits ..................33
8.6 Contaminated pumps .............33
9. Storage ....................33
10. Fault finding .................34
10.1 The motor does not start. The fuses blow
or the motor-protective circuit breaker
trips immediately ...............34
10.2 The pump operates, but the motor-
protective circuit breaker trips after a
short while...................35
10.3 The thermal switch of the pump trips after
a short while..................35
10.4 The pump operates at below-standard
performance and power consumption ....35
10.5 The pump operates but gives no liquid....35
10.6 High power consumption (SLV)........35
10.7 Noisy operation and excessive vibrations
(SL1) .....................35
10.8 The pump is clogged .............36
11. Technical data ................37
12. Disposing of the product ..........37
1. General information
Read this document before you install the
product. Installation and operation must
comply with local regulations and accepted
codes of good practice.
This appliance can be used by children
aged from 8 years and above and persons
with reduced physical, sensory or mental
capabilities or lack of experience and
knowledge if they have been given
supervision or instruction concerning use
of the appliance in a safe way and
understand the hazards involved.
1.1 Hazard statements
The symbols and hazard statements below may
appear in Grundfos installation and operating
instructions, safety instructions and service
instructions.
DANGER
Indicates a hazardous situation which, if
not avoided, will result in death or serious
personal injury.
WARNING
Indicates a hazardous situation which, if
not avoided, could result in death or
serious personal injury.
CAUTION
Indicates a hazardous situation which, if
not avoided, could result in minor or
moderate personal injury.
5
English (GB)
