English
3VH
POWER SUPPLY MUST BE
SWITCHED OFF
BEFORE STARTING WORK IN THE
ELECTRIC CONTROL BOX
1. GENERAL RECOMMENDATIONS
The purpose of this Manual is to provide users with instructions for installing, commissioning, using and
maintaining the units.
It does not contain the complete description of all the maintenance operations guaranteeing the unit’s long
life and reliability. Only the services of a qualied technician can guarantee the unit’s safe operation over a
long service life.
Please read the following safety precautions very carefully before installing the unit.
1.1. SAFETY DIRECTIONS
Cutoff power supply before starting to work on the appliance.
When making the hydraulic connections, ensure that no impurities are introduced into the pipe work.
The fan-coil units may contain a small amount of oil incompatible with plastic polyethylene piping (PER/
HTA/PVC). The coil should be rinsed out before use to avoid any problem.
It is the installer’s responsibility to contact their pipe supplier and take into account the general instructions
for the use of plastic pipes.
The manufacturer declines any responsibility and the warranty becomes void if these instructions are
not respected.
If you meet a problem, please call the Technical Department of your area.
If possible, assemble the compulsory or optional accessories before placing the appliance on its nal location.
(see instructions provided with each accessory).
In order to become fully familiar with the appliance, we suggest to read also our Technical Instructions.
The information contained in these Instructions are subject to modication without advance notice.
1.2. WARNING
Follow the safety rules in forces when you are working on your appliance.
The installation, commissioning, use and maintenance of these units should be performed by qualied
personnel having a good knowledge of standards and local regulations, as well as experience of this type
of equipment.
The unit should be handled using lifting and handling equipment appropriate to the unit's size and weight.
Any wiring produced on site must comply with the corresponding national electrical regulations.
Make sure that the power supply and its frequency are adapted to the required electric current of operation,
taking into account specic conditions of the location and the current required for any other appliance
connected to the same circuit.
The unit must be EARTHED to avoid any risks caused by insulation defects.
It is forbidden to start any work on the electrical components if water or high humidity is present on the
installation site.
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