Maintenance - NANO NXC Series User Manual

2. 1 2 maintenance

!
Various risks (electrocution, explosion...): The following operations must only be carried out by
personnel qualified in electrical and pneumatic systems.
frequency of maintenance
Check for alarm messages.
Test the drain.
Test the compressed air inlet temperature and compare to
the maximum value on the manufacturer's plate.
Clean the solenoid drain valve*.
Check that the temperature of the ambient air complies
with minimum and maximum values shown on the manu-
facturer's plate. Check that the room is well ventilated.
Check that when operating the temperature of the upper
part of the compressor is not too high (122°F Max). Test
that the current consumed by the dryer complies with
values on the manufacturer's plate.
Clean the solenoid drain valve *.
Visually inspect the refrigeration circuit, the state of
pipework and look for oil slicks which can indicate a loss of
refrigerant gas* pressure.
Test the pipework connections.
Test the condition of the electrical contacts and connec-
tions *.
Check that the fan is not noisy.
Clean the condensing unit fins with a sponge or a clean
compressed air jet. Check that the grids are not dirty or
clogged *.
Clean the condensing unit fins with a non-aggressive deter-
gent *.
Important:
• This schedule is based on average operating conditions. In some cases, it may be necessary to increase maintenance
frequency.
• Clean the condensate strainer on the drain system 1 week after start-up.
*You must comply with the recommendations at the beginning of this chapter.
cycling refrigerated air dryer
23
R
monthly
daily
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1
year 1
6 months
(12 months)
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