Airwell AQL 80 — основные рекомендации по техническому обслуживанию оборудования [39/63]
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Airwell AQL 80 — основные рекомендации по техническому обслуживанию оборудования [39/63]

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Airwell AQL 25 [39/63] Maintenance
Page 38
Maintenance
Check the temperature of the fluid
leaving the exchanger
Check any exchanger load loss
Check the electrical absorption
Check the suction temperature and
pressure
Check the delivery temperature and
pressure
Check the compressor oil level
Make sure there is no gas bubble in
the liquid line
Make sure the finned pack of the
external battery is clean
Check the operation of the oil
heater
Check the operation of the Remote
Control Unit
Check the operation of the high
pressure switch
Check the insulation of the
circulating refrigerant / fluid
exchanger
Make sure the screws of terminals
are firmly tight
Clean the external surfaces of the
unit with soapy water
Check the operation of the
differential pressure switch
Check the density of the antifreeze
mixture (glycol water) if this mixture
is used
Drain and clean the circulating
refrigerant / fluid exchangers
7 MAINTENANCE
While discharging the refrigerating
circuits, never release the refriger-
ant into the atmosphere. Use prop-
er recovery equipment for the dis-
charge. If the recovered refrigerant
can not be reused, it shall be re-
turned to the producer.
Never dispose of the compressor oil
in the atmosphere since it contains
dissolved refrigerant. If used, the oil
shall be returned to the producer.
The Safety Section of this manual shall be
carefully read before performing any
maintenance operation on the unit.
Unless otherwise specified, the maintenance opera-
tions here below can be performed by any mainte-
nance technician who has been specifically trained.
7.1 General Information
Itelco-Clima AQL/AQH units have been designed
for constant operation, provided that they are regu-
larly serviced and operated within the limits speci-
fied by this manual. Every unit shall be serviced ac-
cording to a User / Customer schedule and regularly
inspected by the personnel from an authorised Itelco-
Clima Service Centre.
It is the User’s responsibility to fulfil these mainte-
nance requirements and/or make an agreement
with an Itelco-Clima Service Centre so as to protect
the operation of the device.
If any damage or failure should occur as a result of
improper maintenance during the warranty period,
Itelco-Clima will not be liable for any cost required to
restore the original state of the device.
This section is only applicable for basic AQL/AQH
units. According to the circumstances, it might be
supplemented with additional instructions as a result
of any change which may be made to the unit or to
the use of the ancillary equipment.
7.2 Daily Maintenance
Maintenance checks shall be performed by a com-
petent person according to the schedule here
below.
Operations
Daily
Weekly
Monthly
Season start
Season end
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
••
•
However, it shall be noted that AQL/AQH units can
not be directly repaired by the User who shall refrain
from attempting to repair any failure which may be
discovered during daily maintenance. In case of
doubt, contact the Itelco-Clima Service Centre.
Scheduled Maintenance

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