36 VERTIV™ - Liebert
®
EFC - UM - 10040805MAN_ENG - 30.03.2023
Remove middle internal panel before.
Do not walk on unit’s top
Only original spare parts made by Vertiv™ may be used. Using
third-party material can invalidate the warranty.
When making inquiries always refer to the “Component List”
supplied with the equipment and specify the model number, serial
number and, if available, also the part number.
1. When a faulty component is replaced, follow the relevant manufacturer
instructions.
2. When the spare parts must be welded, be careful not to damage the
internal parts (gaskets, seals, o-rings, etc.).
Monthly, quarterly, biannual and annual checks are to be conducted
according to the following guidelines.
All tasks and periods listed here are regulations from the
manufacturer and need to be documented in an inspection report.
: All these tasks should be carried out only by
an authorized and trained technician. We recommend
the Vertiv™ Customer Service.
: The operators must wear (helmet,
gloves, shoes and safety glasses).
: Operators must wear safety harness
to reach components on higher positions
(ex: fans, condenser, droplet separator, etc).
trained technicians.
• In compliance with local regulations relating to the workers
health, verify the need and frequency of legionella monitoring,
we recommend to make quarterly analysis to verify the presence
of legionella in the system. If contamination is detected, contact
local authorities where required by legislation;
• Before the warm season, when the evaporative system could
be activated, the unit must be disinfected and the sump
must be cleaned; if heat exchanger and sump show hard
descaling procedure is necessary. Check the sump condition
monthly: if it shows dirty, clean and remove any dust to
keep the unit cleaned and to avoid pump premature failure.
Contact Vertiv™ Service to ensure the right chemical product
and procedure to be used.
• Water regulary check to be compliant with water quality
Chapter 3.2 .
: Recording water sampling following
Chapter 3.2 is a requirement for
warranty to be valid.
Avoid the contact of any part of the EFC
with any type of organic solvent and aggressive
detergent even if present in aqueous and/or diluted
solution. Use only approved chemicals for descaling,
anticorrosion, disinfection and cleaning: not approved
substances could damage the unit components and
invalidate the warranty. Contact Vertiv™ Service for
For the whole activities list check table 9.3 at page 44 or 45 and
maintenance for evaporative system table in Chapter 3.3.1
Risk of sharp edges, splinters and exposed
fasteners!
Only properly trained personnel wearing appropriate
safety headgear, gloves, shoes, glasses and safety
perform unit maintenance.
operate, it is important to check every days for their status
to ascertain chances to reach their standard maintenance
schedules;
• Every 90
be cleaned or replaced when pressure drop reaches the
water to splash out the sump, it is necessary a check, clean,
disinfect or replace them by following the table in Chapter 3.2.
because:
•
•
comfort will be obtained;
• Refrigeration system can be damaged in case of DX coil
installation.
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