8.7 Safety valves
Location of safety valve
Position of safety valve
Operating
Operate the safety valve from time to time by unscrewing the cap one or two turns. Retighten it afterwards.
Testing
Before removing the valve, depressurize the compressor. See also section Problem solving.
The safety valve (SV) can be tested on a separate air line. If the valve does not open at the set pressure
stamped on the valve, it needs to be replaced.
Warning
No adjustments are allowed. Never run the compressor without safety valve.
8.8 Dryer maintenance instructions
Safety precautions
Refrigeration dryers of ID type contain refrigerant HFC.
When handling refrigerant, all applicable safety precautions must be observed. Please be specifically
aware of the following points:
• Contact of refrigerant with the skin will cause freezing. Special gloves must be worn. If contacted
with the skin, the skin should be rinsed with water. On no account may clothing be removed.
Instruction book
2920 7180 30 159
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