Kaishan DRS30, Instructions For Installation And Operation Manual

Page: 30 / 44

30 DRS30-DRS125
12.4 Maintenance works at the refrigeration cycle
Caution!
Refrigerant!
Maintenance and repair works at refrigeration systems must only be carried out by KAISHAN service
technicians 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 type.
Should you detect a refrigerant leak, please contact a KAISHAN service technician. Prior to any
intervention, the room needs to be ventilated.
When the refrigeration cycle needs to be refilled, please also contact a KAISHAN service technician.
You will find the refrigerant type and amount on the name plate of the dryer.
Properties of the refrigerants used
:
Refrigerant Chemical formula MIK GWP
R134a - HFC CH
2
FCF
3
1000 ppm 1430
R407C - HFC
R32/125/134a (23/25/52)
CHF2CF3/CH2F2/CH2FCF3
1000 ppm 1773.85
12.5 Dismantling 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 R134a, R407C, 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
Condensate drain PVC, aluminium, steel
Insulant Synthetic rubber without CFCs, polysterene, 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 recovered from the dryer using
a suitable device, and then needs to be supplied to a collection point.