Wilo Sub TWU 3 P&P Series, Installation And Operating Instructions Manual

Page: 27 / 360

English
Installation and operating instructions Wilo-Sub TWU 3..., TWU 3-...-P&P 27
until the agreed warranty period of the product has
expired.
1.7.3 Spare parts, add-ons and modifications
Only original spare parts as supplied by the manufac-
turer may be used for repairs, replacements, add-ons
and modifications. Only these parts guarantee a long
working life and the highest level of safety. These
parts have been specially designed for our products.
Unauthorized add-ons and modifications or the use of
non-original spare parts can seriously damage the
product and/or injure personnel.
1.7.4 Maintenance
The prescribed maintenance and inspection work
should be carried out regularly. This work may only be
carried out by qualified, trained and authorized per-
sonnel. Repairs not listed in this operation and mainte-
nance manual and all types of repair work may only be
performed by the manufacturer and authorized ser-
vice centers.
1.7.5 Damage to the product
Damage as well as malfunctions that endanger safety
must be eliminated immediately by trained personnel.
The product should only be operated if it is in proper
working order. During the agreed warranty period, the
product may only be repaired by the manufacturer or
an authorized service workshop! The manufacturer
reserves the right to have the damaged product deliv-
ered by the operator to the factory for inspection!
1.7.6 Exclusion from liability
No liability will be assumed for product damage if one
or more of the following points applies:
• A construction by the manufacturer based on faulty
and/or incorrect information provided by the operator
or customer
• Non-compliance with the safety instructions, the reg-
ulations and requirements in terms of German law and/
or the applicable local laws, as well as this operating
and maintenance manual
• Improper use
• Incorrect storage and transport
• Improper assembly/dismantling
• Insufficient maintenance
• Unqualified repairs
• Faulty construction site and/or construction work
• Chemical, electrochemical and electrical influences
• Wear
This means the manufacturer’s liability excludes all lia-
bility for personal, material or financial injury.
2 Safety
This chapter lists all the generally applicable safety
instructions and technical information. Furthermore,
each remaining chapter contains specific safety
instructions and technical information. All instructions
and information must be observed and followed during
the various phases of the product's life cycle (installa-
tion, operation, maintenance, transport etc.)! The
operator is responsible for ensuring that personnel fol-
low these instructions and guidelines.
2.1 Instructions and safety information
This manual uses instructions and safety information
for preventing injury and damage to property. To
uniquely identify these for personnel, the instructions
and safety information are differentiated as follows:
2.1.1 Instructions
An instruction is displayed in “bold”. Instructions con-
tain text that refers to the previous text or particular
sections of chapters, or highlights short instructions.
Example:
Note that products stored with drinking water
must be protected from frost!
2.1.2 Safety information
Safety information is slightly indented and displayed in
“bold”. It always commences with a signal word.
Information that only refers to material damage is
printed in gray, without safety symbols.
Information that refers to personal injury is printed in
black and is always accompanied by a safety symbol.
Danger, prohibition or instruction symbols are used as
safety symbols.
Example:
The safety symbols used conform to the generally
valid directives and regulations, such as DIN and ANSI.
Each safety instruction begins with one of the follow-
ing signal words:
• Danger
This can result in serious or fatal injuries!
• Warning
Serious injuries can occur!
• Caution
Injuries can occur!
• Caution (Instruction without symbol)
Substantial material damage can occur. Irreparable
damage is possible!
Safety instructions begin with a signal word and
description of the hazard, followed by the hazard
Danger symbol: General hazard
Danger symbol, for example, electrical current
Prohibition symbol, for example, Keep out!
Instruction symbol, for example, wear protective
clothing