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1.12.3 Specifications for the foundation or anchoring of the unit
Where the unit is to be installed at ground level, the characteristics of the ground it will sit on must be
taken into account.
Characteristics, such as acceptable surface firmness, must be suitable for the foundation the unit
requires.
The unit should be placed on a level concrete slab at least 100 mm thick.
The length and width of the slab must be at least 150 mm more than the base rails on the unit.
C A U T I O N
Do not attach the unit to the foundations of the building.
1.12.4 Characteristics of utility provider connections
In general, the different connections required by the unit are made following the shortest route possible.
Under no circumstances may any local or national regulations be contravened when performing the
preparatory work for service connections.
N O T E
For further information on this subject, always keep the current regulations for the country where the unit
is being installed at hand.
C A U T I O N
•
Before the connection work, possible losses of flow, temperature and voltage drops, etc. that might
affect the distances between planned connection points and the unit must be taken into account.
•
As a result, each connection must be sized accordingly.
1.12.5 Connection and preparation of the various connections
Electricity. Power and control
POWER LINE
Power must be supplied to the unit through a specific power supply line with an exclusive power control
and differential breaker, installed in line with national and local regulations.
N O T E
For further information on this subject, always keep the current regulations for the country where the unit
is being installed at hand.
Make sure that the electricity supply line has enough capacity to power the unit. Its length, the cable
diameter and their protection (cover or jacket) should be appropriate for the unit.
Use a multimeter to check that the supply voltage stays within the accepted limits,
physical data (Only
cooling), see on page 6 , or
page 7 .
Instructions for installation and connection of the unit 1.12
ARH technical and physical data (Heat
Installation manual
1
ARC technical and
pump), see on
29
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