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6
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.
6.1
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.
Z
6.2
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 refrigerant
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.
English
6.3
Preventive Maintenance Programme
To guarantee lasting maximum dryer efficiency and reliability:
Maintenance
Activity Description
(standard operating conditions)
Activity
Check POWER ON indicator is lit.
Check control panel indicators.
Check condensate drain.
Clean condenser fins.
Check electrical absorption.
Check water/glycol leaks
Check refrigerant leaks
Depressurize the dryer.
Complete drain maintenance.
Depressurize the dryer.
Replace pre--- and post---filter ele-
ments.
Check temperature sensors. Replace
p
p
if
if necessary.
Dryer maintenance kit.
check
The following are available (see par. 8.4):
a) 3 year preventive maintenance kits;
b) service kits
Maintenance Interval
1. compressor kits;
2. fan kits;
c) individual spare parts.
6.4
Dismantling
Ethylene glycol, refrigerant and the lubricating oil contained in
the circuit must be recovered in conformity with current local en-
vironmental regulations.
structural work
exchanger
pipes
drain
exchanger insulation
pipe insulation
compressor
condenser
refrigerant
valves
electrical cables
thermal mass
water tank/water ---refrigerant
exchanger
service
Z
%
Recycling
Disposal
steel/epoxy---polyester resins
aluminium
copper/aluminium/carbon steel
brass/PC
EPS (sintered polystyrene)
synthetic rubber
steel/copper/aluminium/oil
steel/copper/aluminium
R407C
brass
copper/PVC
ethylene glycol 30%
steel/copper/aluminium
SRC- - 150 --- SRC- - 1000
5
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