18. 1
SAFETY WARNINGS
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The WSA chiller must be installed by
an authorised and qualified techni-
cian, in compliance with the national
legislation in force in the country of
destination.
Danger!
The refrigerant circuit is under steam. High
temperatures are also possible. The unit
may only be opened by a SAT service te-
chnician or by an authorised and qualified
technician.
The operations in the cooling circuit can
19. 1
SELECTION OF THE INSTALLA-
TION PLACE
Before installing the unit, decide with the
customer the position in which it will be
placed, pay attention to the following poin-
ts:
- The support surface must be able to
withstand the weight of the unit.
- The selected place must be large enough
for laying the necessary pipes.
- Take into account that when the chiller
is working, vibrations may be generated;
it is therefore advisable to install vibration
damper supports (AVX accessories), fitting
them to the holes in the base according to
19. 1 . 1 MINIMUM TECHNICAL SPACES
SAFETY WARNINGS AND REGULATIONS
18
We shall not be held responsible for
any damage whatsoever resulting
from the non-compliance with these
instructions.
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Before starting any kind of work, it is
necessary TO READ CAREFULLY THE
INSTRUCTIONS, AND TO PERFORM
only be performed by a qualified refrige-
ration technician.
GAS R134a
The chiller is delivered with the necessary
amount of refrigerant R134a for its operation. It
is a refrigerant without chlorine that is not har-
mful for the ozone layer. R134a is not flamma-
INSTALLATION
19
the assembly diagram.
- It is compulsory to ensure the minimum
technical spaces (Tab. 1 8. 1 . 1 ), which are
essential for the efficient performance
OF ROUTINE AND EXTRAORDINARY
MAINTENANCE OPERATIONS.
19.2 POSITIONING
The chiller is dispatched from the facto-
ry wrapped in a polyethylene stretchable
film, on a pallet.
Before moving the unit, check the lifting
capacity of the machines used.
Once the packaging has been removed,
the unit must be handled by qualified
500 mm
1000 mm
500 mm
THE SAFETY CHECKS TO REDUCE
ANY RISK TO A MINIMUM. All the
personnel in charge must know the
operations and possible risks that
may arise when all the unit installation
operations begin.
ble. However, all the maintenance operations
must only be carried out by a specialised tech-
nician with the suitable protection equipment
Risk of electric discharge!
Before opening the chiller, it is necessary
to disconnect the unit completely from
the mains.
personnel with the suitable equipment.
To handle the machine:
"IN CASE OF LIFTING"
Insert, in the holes in the base, tubes
(NOT SUPPLIED), which must be long
enough to be able to position the lifting
cables.
In order to avoid damaging the WSA
structure with the cables, insert protec-
tions between them and the machine.
Under no circumstance must anybody
or anything stop under the unit even
briefly.
500 mm
800 mm
27