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6
Maintenance
a) Th e machine is designed and built to guarantee continuous opera-
tion; however, the life of its components depends on the mainte-
nance performed;
b) when requesting assistance or spare parts, identify the machine
(model and serial number) by reading the data plate located on the
unit.
6.1 General instructions
!
Before any maintenance, make sure:
• the pneumatic circuit is no longer pressurized;
• the dryer is disconnected from the main power supply
Y
.
Always use the Manufacturer's original spare parts: otherwise the
Manufacturer is relieved of all liability regarding machine malfunction-
ing
Y
In case of refrigerant leakage, contact qualifi ed and authorized per-
sonnel.
Y
Th e Schrader valve must only be used in case of machine malfunc-
tion: otherwise any damage caused by incorrect refrigerant charging will
not be covered by the warranty.
6.2 Refrigerant.
Charging: any damage caused by incorrect refrigerant replacement car-
ried out by unauthorized personnel will not be covered by the warranty.
Z
Y
Th e equipment contains fl uorinated greenhouse gases.
At normal temperature and pressure, the R134a refrigerant is a colour-
less gas classifi ed in SAFETY GROUP A1 - EN378 (group 2 fl uid ac-
cording to Directive PED 2014/68/EU)
GWP (Global Warming Potential) = 1430.
!
In case of refrigerant leakage, ventilate the room.
English
6.3 Preventive Maintenance Programme
To guarantee lasting maximum dryer effi ciency and reliability
Maintenance
Activity Description
(standard operating conditions
Activity
Check
Service
Check POWER ON indicator is lit.
Check control panel indicators.
Check condensate drain.
Clean condenser fi ns.
Check electrical absorption.
Depressurize the dryer. Complete
drain maintenance.
Depressurize the dryer. Replace pre-
and post-fi lter elements.
Th e following are available (see par. 8.4):
a) compressor kits;
b) fan kits;
c) automatic expansion valve kits;
d) individual spare parts.
SPH004-018
6.4 Dismantling
Th e refrigerant and the lubricating oil contained in the circuit must be
recovered in conformity with current local environmental regulations.
Maintenance Interval
Th e refrigerant fl uid is recovered before fi nal scrapping of the equipment
)
((EU) No. 517/2014 art.8).
structural work
exchanger
pipes
drain
exchanger insulation
pipe insulation
compressor
condenser
refrigerant
valves
electrical cables
%
Recycling Disposal
steel/epoxy-polyester resins
aluminium
aluminium/copper
polyamide
EPS (sintered polystyrene)
synthetic rubber
steel/copper/aluminium/oil
steel/copper/aluminium
R134a
brass
copper/PVC
Z
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