GB
14
It is very important that the protection cover is applied to the evaporative cooler at the end of
the season, this avoids the machine from being damaged by climatic factors during the set
-
aside period; smog, acid rain, ice, etc.
3.3.1
Clothing
The personnel charged to machine maintenance must not wear clothing with large sleeves, laces or
belts, which may cause danger. The personnel must also wear individual protection devices conform-
ing to the laws and regulations in force.
•
Apply the protection cover on the machine making sure that it has no holes or damages, if dam
age is detected, repair the cover or substitute it.
3.2 Pre
-
season maintenance
•
Cut power inlet off by using the main isolator
-
switch.
•
Remove the protection cover and check for any damage that may have occurred. Clean the cover
well with mild detergent and store it in a place where it is protected from bad weather.
•
Remove the machine top
.
•
If necessary clean the tank
.
•
TC models: check
the tightness of the belt
(*) –(see par.2.6.2). When damaged it must be chan
ged.
•
Check the evaporative pads and clean them from any dirtiness using water. If they have too
much incrustation, it is necessary to change them.
•
Check that waterways are clean and that there are no obstructions in the water supply and dis
tributor in the upper part of the unit. Clean any debris in the water pump.
•
Turn the machine on by using the main isolator
-
switch
.
•
Open the water supply. Start the system in COOLING mode and check that the discharge
valve
is closed and that the water fills the tank up until the water inlet valve stops.
•
Check that the water is distributed evenly on all evaporative pads.
•
Check that the discharge valve is working properly; make sure that it opens within 5 minutes after
having pressed the OFF key.
•
Check if there are losses of water.
•
Check cables conditions.
•
Replace and fix well the machine top using the bolts supplied
.
(*) During working season, it is advisable to check it monthly.
The maintenance personnel must be professionally qualified.
Before carrying out any maintenance operations, read carefully this section of the manual.
For any necessity, contact Impresind Srl After Sales Service.
Impresind Srl is not responsible for any damage or malfunctions due to lack of respect of the
indications contained in the present section of this manual.
The manufacturer does not assume any responsibility or is liable for any guarantee due to
damage caused by non
-
observance of prescriptions, any non
-
conform installations and in
the case of improper use of the equipment by the final user.
3.3 Maintenance safety regulations
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