en
Installation and operating instructions • Wilo-Flumen OPTI-TR 50-3 ... 120-1, Wilo-Flumen EXCEL-TRE 50-3 ... 90-2 • Ed.01/2022-07
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CAUTION
Type and source of the danger!
Consequences or information.
Signal words
•
DANGER!
Failure to observe the safety instructions will result in serious
injuries or death!
•
WARNING!
Failure to follow the instructions can lead to (serious) injuries!
•
CAUTION!
Failure to follow the instructions can lead to property damage
and a possible total loss.
•
NOTICE!
Useful information on handling the product
Markups
✓
Prerequisite
1.
Work step/list
⇒
Notice/instructions
▶
Result
Identifying cross references
The name of the section or table is in inverted commas [“ ”]. The
page number follows in square brackets [ ].
Symbols
These instructions use the following symbols:
Danger of electric voltage
Danger of bacterial infection
Danger – explosive atmosphere
General warning symbol
Warning of cutting injuries
Warning of hot surfaces
Warning of high pressure
Warning of suspended loads