Airwell MQL 6 [4/40] English
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Airwell MQL 6 [4/40] English

Airwell MQH 10M [4/40] English
Page 3
English
Safety
2 SAFETY
2.1 Foreword
These units must be installed in conformity with the
provisions of Machinery Directive 98/37/EC, Low
Voltage Directive 73/23/EC, Pressure Vessels Direc-
tive 97/23/EC, Electromagnetic Interference Direc-
tive 89/336/EC, as well as with other regulations
applicable in the country of installation. If these pro-
visions are not complied with, the unit must not be
operated.
The unit must be grounded, and no installa-
tion and/or maintenance operations may
be carried out before deenergising the elec-
trical panel of the unit.
Failure to respect the safety measures mentioned
above may result in electrocution hazard and fire in
the presence of any short-circuits.
Inside the heat exchangers, the compres-
sors and the refrigeration lines, this unit
contains liquid and gaseous refrigerant un-
der pressure. The release of this refrigerant
may be dangerous and cause injuries.
The units are not designed to be operated
with natural refrigerants, such as hydrocar-
bons. Itelco-Clima may not be held liable
for any problems deriving from the replace-
ment of original refrigerant or the introduc-
tion of hydrocarbons.
Itelco-Clima units are designed and manufactured
according to the requirements of European Standard
PED 97/23/EC (pressure vessels).
– The used refrigerants are included in group II (non-
hazardous fluids).
– The maximum working pressure values are men-
tioned on the unit’s data plate.
– Suitable safety devices (pressure switches and safe-
ty valves) have been provided, to prevent any
anomalous overpressure inside the plant.
– The vents of the safety valves are positioned and
oriented in such a way as to reduce the risk of con-
tact with the operator, in the event that the valve is
operated. Anyway, the installer will convey the dis-
charge of the valves far from the unit.
– Dedicated guards (removable panels with tools)
avoid contacts with potential dangerous zones.
.
The guards of the fans must be always
mounted and must never be removed be-
fore de-energising the appliance.
It is the User’s responsibility to ensure that
the unit is fit for the conditions of intended
use and that both installation and mainte-
nance are carried out by experienced per-
sonnel, capable of respecting all the recom-
mendations provided by this manual. It is
important that the unit is adequately sup-
ported, as detailed in this manual. Non-
compliance with these recommendations
may create hazardous situations for the
personnel.
The unit must rest on a base which meets
the characteristics specified in this manual;
a base with inadequate characteristics is
likely to become a source of serious injury
to the personnel.
The unit has not been design to withstand
loads and/or stress that may be transmitted
by adjacent units, piping and/or structures.
Each external load or stress transmitted to
the unit may break or cause breakdowns in
the unit’s structure, as well as serious dan-
gers to people. In these cases, any form of
warranty will automatically become null
and void.
The packaging material must not be dis-
posed of in the surrounding environment or
burnt.
2.2 Definitions
OWNER: means the legal representative of the com-
pany, body or individual who owns the plant where
Itelco-Clima unit has been installed; he/she has the
responsibility of making sure that all the safety regu-
lations specified in this manual are complied with,
along with the national laws in force.
INSTALLER: means the legal representative of the
company who has been given by the owner the job
of positioning and performing the hydraulic, electric
and other connections of Itelco-Clima unit to the
plant: he/she is responsible for handling and prop-
erly installing the appliance, as specified in this man-
ual and according to the national regulations in
force.
Manuale MQL-MQH 10.6.2005 12:26 Pagina 3

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