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Maintenance, troubleshooting, spare parts and dismantling
DRYPOINT® RA 3-160
35
13.4 Maintenance works at the refrigeration cycle
Caution!
Refrigerant!
Maintenance and repair works at refrigeration system must only be carried out by BEKO service techni-
cians in accordance with the local provisions.
The total amount of refrigerant in the system must be collected for recycling purposes, resource recovery
or disposal.
The refrigerant must not be discharged into the environment.
When delivered, the dryer is ready to operate and filled with a refrigerant of the R134a or R404A type.
Should you detect a refrigerant leak, please contact a BEKO service technician. Prior to any intervention,
the room needs to be ventilated.
When the refrigeration cycle needs to be refilled, please also contact a BEKO service technician.
You will find the refrigerant type and amount on the type plate of the dryer.
Properties of the refrigerants
:
Refrigerant
Chemical formula
TLV
GWP
R134a – H-FKW
CH
2
FCF
3
1000 ppm
1300
R404A – H-FKW
CH
2
FCF
3
/C
2
HF
5
/C
2
H
3
F
3
1000 ppm
3784
13.5 Dismantling of the dryer
When the dryer is dismantled, all parts and operating materials related to the plant need to be disposed of separately.
Component
Material
Refrigerant
R404A, R134a, oil
Roof and supports
Structural steel, epoxy paint coat
Refrigerating compressor
Steel, copper, aluminium, oil,
Aluminium heat exchanger
Aluminium
Condenser unit
Aluminium, copper, structural steel
Pipe
Copper
Fan
Aluminium, copper, steel
Valve
Brass, steel
BEKOMAT condensate drain
PVC, aluminium, steel
Insulant
Synthetic rubber without CFCs, polystyrene, polyurethane
Electric cable
Copper, PVC
Electric parts
PVC, copper, brass
We recommend observing the safety provisions in force for the disposal of each material type.
The refrigerant contains lubricating-oil droplets which are released by the compressor.
The refrigerant must not be discharged into the environment. It must to be sucked off from the dryer us-
ing a suitable device, and then needs to be supplied to a collection point.
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