Grundfos CR 45-1-1 User Manual

English (GB)
2
English (GB) Installation and operating instructions
Original installation and operating instructions.
CONTENTS
Page
1. Symbols used in this document
2. Handling
When lifting the entire pump with motor, follow these instructions:
• Pump with motor sizes 0.37 - 5.5 kW:
Lift the pump in the motor flange by means of straps or the
like.
• Pump with motor sizes 7.5 - 22 kW:
Lift the pump by means of the motor eyebolts.
• Pump with motor sizes 30-45 kW:
Lift the pump by means of the lifting brackets on the motor
flange.
• Pump with motor sizes 55-75 kW:
Lift the pump by means of the eyebolts on the motor side.
Fig. 1 Correct lifting of a CR pump
In case of CR, CRI and CRN pumps with other motors than MG or
Siemens, we recommend you to lift the pump by means of the
straps in the motor flange.
1. Symbols used in this document
2
2. Handling
2
3. Type designation
3
3.1 Type key for CR, CRI, CRN 1s, 1, 3, 5, 10, 15 and 20
3
3.2 Type key for CR, CRN 32, 45, 64, 90, 120 and 150
3
4. Applications
3
5. Technical data
3
5.1 Ambient temperature and altitude
3
5.2 Liquid temperature
4
5.3 Maximum permissible operating pressure and liquid
temperature for the shaft seal
4
5.4 Minimum inlet pressure
4
5.5 Minimum inlet pressure
5
5.6 Minimum flow rate
5
5.7 Electrical data
5
5.8 Frequency of starts and stops
5
5.9 Dimensions and weights
5
5.10 Sound pressure level
5
6. Installation
5
6.1 Foundation
6
6.2 Vibration dampening
7
6.3 Outdoor installation
7
6.4 Hot surfaces
7
6.5 Torques
7
6.6 Flange forces and torques
8
7. Electrical connection
9
7.1 Cable entry/screwed connection
9
7.2 Three-phase connection
9
7.3 Single-phase connection
10
7.4 Terminal box positions
10
7.5 Frequency converter operation
10
8. Startup
11
8.1 Shaft seal run-in
11
9. Maintenance
11
10. Frost protection
12
11. Service
12
11.1 Service kits and manuals
12
12. Fault finding
13
13. Disposal
13
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.
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.
TM04 0339 0608 TM04 0341 0608 TM05 9564 4113 TM04 0341 0608
0.37 - 5.5
kW
7.5 - 22
kW
30-45
kW
55-75
kW
Warning
Make sure that the pump remains in a stable
position during unpacking and installation by
means of the straps used for lifting the pump.
Note that typically the centre of gravity of the
pump is close to the motor.

Grundfos CR 45-1-1 Specifications

General

Brand	Grundfos
Model	CR 45-1-1
Category	Water Pump
Language	English