Maintenance; General Instructions; Preventive Maintenance - Sullair INT075 Manual Del Usuario

5

Maintenance

a) The machine is designed and built to guarantee continuous
operation; however, the life of its components depends on the
maintenance performed;
b) when requesting assistance or spare parts, identify the ma-
chine (model and serial number) by reading the dataplate lo-
cated on the unit.
5.1

General instructions

!
Before any maintenance, make sure:
S the pneumatic circuit is no longer pressurized;
S the dryer is no longer powered.
Y
Always use the Manufacturer's original spare parts: other-
wise the Manufacturer is relieved of all liability regarding ma-
chine malfunctioning.
Y
In case of refrigerant leakage, contact qualified and author-
ized personnel.
Y
The Schrader valve must only be used in case of machine
malfunction: otherwise any damage caused by incorrect refriger-
ant charging will not be covered by the warranty.
Y
The pre--- filter element is to be replaced every 12 months.
English
5.2

Preventive maintenance

To guarantee lasting maximum dryer efficiency and reliability:
Z
a) every 6 months or 4000 operating hours:
S clean the condenser fins;
S make sure compressor electrical absorption is within the
dataplate values;
Z
b) every 12 months or 8000 operating hours --- further to
a):
S replace filter element of pre--- filter;
Z
c) every 36 months or 24000 operating hours --- further to
a), and b):
S replace high pressure switch (HP);
S replace fan contactor (KM1);
S replace fuses (FU1, FU2);
S replace high dew point temperature sensor (B1).
Z
5.3 Refrigerant
Charging: any damage caused by incorrect refrigerant replace-
ment carried out by unauthorized personnel will not be covered
by the warranty.
Y
At normal temperature and pressure, the R407C, R134a re-
frigerant is a colourless gas classified in SAFETY GROUP A1 ---
EN378 (group 2 fluid according to Directive PED 97/23/EC).
!
In case of refrigerant leakage, ventilate the room.
Z
5.4 Dismantling
The refrigerant and the lubricating oil contained in the circuit
must be recovered in conformity with current local environmen-
tal regulations.
structural work steel/epoxy---polyester resins
exchanger aluminium
pipes/headers copper/aluminium/carbon steel
exchanger insulation EPS (sintered polystyrene)
pipe insulation synthetic rubber
compressor steel/copper/aluminium/oil
condenser steel/copper/aluminium
refrigerant R407C, R134a
valves brass
electrical cables copper/PVC
Recycling
Disposal
3
INT075 ---500