Maintenance
en
Installation and operating instructions Wilo-SiFire FIRST
33
1. Empty all tanks and check them for corrosion on the outside and inside. If neces-
sary, paint all tanks or re-apply corrosion protection.
2. Examine all water supply valves, alarm valves and control valves. If necessary, re-
place or service them.
CHECK EVERY 10 YEARS
To be performed every 10 years.
1. Clean and examine the inside of all water supply sources. Check tightness. For
overhaul or replacement procedures for parts of the system that are damaged or no
longer function properly, contact Wilo service or a specialist centre.
2. Refer to the detailed maintenance operations indicated in the manual supplied
with the system. Always replace components with original spare parts or parts with
the same certified characteristics.
NOTICE
Wilo accepts no liability for damage caused by unqualified personnel or when repla-
cing original parts with spare parts having different characteristics.
8.5
Residual risks during the opera-
tion of the system
DANGER
Risk of fatal injury due to overpressure in the diaphragm pressure vessel!
To avoid possible explosions, do not exceed the rated pressure limits of the jockey
pump’s diaphragm pressure vessel.
DANGER
Risk of fatal injury due to electrical current!
The personnel in charge of connecting the electrical equipment and motors must be
qualified for the type of work and must connect it according to the wiring diagrams
supplied and in compliance with the regulations and laws in force. They must also
make sure that they have disconnected the power supply before carrying out any
operation that involves possible contact with parts that are normally live. Check the
earthing continuity.
DANGER
Risk of suffocation by diesel exhaust fumes!
Avoid switching on the diesel pumps if the gas exhaust pipes are not connected to
the outside of the room.
DANGER
Risk of fatal injury!
Consequences include the risk of unintentional starting. Do not carry out mainten-
ance work on the pump unit if automatic mode is switched on.
WARNING
Cutting injuries due to sharp edges and unprotected threaded parts!
Sharp edges or unprotected threaded parts carry the risk of cutting.
Take the necessary precautions to avoid injury and use protective equipment (wear
protective gloves).
