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English
Installation and operating instructions Wilo-IL/-DL/-BL
21
1
General .................................................................................................................................................. 22
2
Safety .................................................................................................................................................... 22
2.1
Indication of instructions in the operating instructions ................................................................................. 22
2.2
Personnel qualifications ..................................................................................................................................... 23
2.3
Danger in the event of non-observance of the safety instructions .............................................................. 23
2.4
Safety instructions for the operator ................................................................................................................. 23
2.5
Safety instructions for inspection and installation work ............................................................................... 23
2.6
Unauthorised modification and manufacture of spare parts ......................................................................... 23
2.7
Improper use ........................................................................................................................................................ 23
3
Transport and interim storage ........................................................................................................... 24
3.1
Shipping ................................................................................................................................................................ 24
3.2
Attachment .......................................................................................................................................................... 24
4
Intended use ......................................................................................................................................... 25
5
Product information ............................................................................................................................ 25
5.1
Type key ............................................................................................................................................................... 25
5.2
Technical data ..................................................................................................................................................... 26
5.3
Scope of delivery ................................................................................................................................................. 27
5.4
Accessories .......................................................................................................................................................... 27
6
Description and function..................................................................................................................... 27
6.1
Description of the product ................................................................................................................................. 27
6.2
Anticipated noise levels ...................................................................................................................................... 28
6.3
Permissible forces and torques on the pump flanges (only BL pumps) ......................................................... 28
7
Installation and electrical connection ............................................................................................... 29
7.1
Installation ........................................................................................................................................................... 29
7.2
Electrical connection ........................................................................................................................................... 30
7.3
Standby heating connection .............................................................................................................................. 32
8
Commissioning ..................................................................................................................................... 32
8.1
Filling and bleeding ............................................................................................................................................. 32
9
Maintenance ......................................................................................................................................... 34
9.1
Air supply .............................................................................................................................................................. 34
9.2
Maintenance work ............................................................................................................................................... 35
9.2.1 Replacing the mechanical seal ........................................................................................................................... 35
9.2.2 Changing the motor ............................................................................................................................................ 36
10
Faults, causes and remedies ............................................................................................................... 38
11
Spare parts............................................................................................................................................ 38
12
Disposal ................................................................................................................................................. 39
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