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Installation, Operating and
Servicing Instructions
ENGLISHFRANCAISNEDERLANDSESPAÑOLITALIANODEUTSCH
661Y0700.B
EN • 1
INDEX
WARNINGS 3
Who should read these instructions 3
ENGLISHFRANCAISNEDERLANDSESPAÑOLITALIANODEUTSCH
Symbols 3
Recommendations 3
Applicable standards 3
Warnings 3
Packing 3
INTRODUCTION 4
Description of the specifications 4
Description of operation 4
TECHNICAL CHARACTERISTICS 5
Operating condition 5
Wiring diagram 5
INSTALLATION INSTRUCTIONS 6
Dimensions 6
Domestic hot water connections 6
Installation 6
Central heating connections 7
COMMISSIONING 8
Filling the tank 8
Check to be carried out before start-up 8
Setting the thermostat 8
MAINTENANCE 9
Periodic checks by the user 9
Annual service 9
Emptying 9
SPARE PARTS 10
661Y0700.B
EN • 2
WARNINGS
WHO SHOULD READ THESE INSTRUCTIONS
These instructions should be read by:
- the specifying engineer
- the installer
- the user
- the service engineer
SYMBOLS
The following symbols are used in this manual:
Essential instruction for
the correct operation of
the installation.
Essential instruction for
the safety of persons
and the environment.
Danger of electrocution.
• It is important to switch the tank OFF before carrying out
any work.
• There are no user accessible parts inside the tank casing.
APPLICABLE STANDARDS
The appliances carry the CE mark in accordance with the
standards in force in the various countries.
WARNINGS
This documentation is part of the information delivered with the
appliance and must be given to the user and stored in a safe
place!
An approved installer must carry out the assembly, commissioning,
maintenance and repair of the system, in accordance with current
standards in force.
ENGLISHFRANCAISNEDERLANDSESPAÑOLITALIANODEUTSCH
Danger of burns
RECOMMENDATIONS
• Please, read carefully this manual before installing and
commissioning the tank.
• It is prohibited to carry out any modifications to the inside of
the appliance without the manufacturer’s prior and written
agreement.
• The product must be installed and serviced by trained
engineers, in compliance with current standards.
• The installation must comply with the instructions in this
manual and with the codes and standards governing systems
for the production of hot water.
• Any failure to follow instructions relating to tests and test
procedures may result in personal injury or risks of pollution.
• To guarantee safe and correct operation of the appliance, it
is important to have it serviced and maintained every year by
an approved installer or maintenance company.
ACV shall not accept any responsibility for damage caused by noncompliant location of the system or by use of the parts or
connections not approved by ACV for this application.
The manufacturer reserves the right to change the
technical characteristics and specification of its
products without notice.
The availability of some versions and their accessories is
market dependant.
PACKING
Units are shipped ready to install, tested and packaged in a carboard box.
Contents of the package
• One hot water tank.
• One multilingual technical instruction manual.
• In case of anomaly, please call your service engineer.
• The parts may only be replaced by genuine factory parts. You
will find a list of the spare parts and their reference number
ACV to the end of this document.
661Y0700.B
EN • 3