5118.01._5280107_02
NRL 0280-0750 °-L / A-E
EN
1 we do not recommend swabbing as it can ruin the inner lining of the pipes, we recommend using appropriate chemicals
months
6 months
12
months
24
months
•
Check of the unit power supply voltage •
Check of the compressors' power supply voltage •
Check of the fan power supply voltage •
Check of the solenoid valves •
•
Replacement of the safety valve •
Check and reading of the pressure/temperature probes •
•
Check of compressors contactors •
Check of fans contactors, where present •
Exchanger coils cleaning •
Check and cleaning of shell and tube heat exchangers if necessary where present •
Check of electric resistances of the heat exchangers •
•
General cleaning of the unit •
Bleed the hydraulic circuit and the heat exchangers, the simultaneous presence of air and
•
Subcooling temperature measurement •
Exhaust gas temperature measurement •
•
•
Check oil level •
Check oil acidity •
Oil replacement
compressore vite 8000 ore
compressore scroll 12000 ore
•
Check oil level sensor, if any •
•
Check the pump rotor gasket •
•
Check the seal of the shell and tube heat exchanger heads, where present •
•
•
3
months
*
•
The frequency of the operaons described herein is a guideline one and they may vary depending on how the unit is used and the type of system where it
is installed. However, if the unit is installed in harsh environments, we recommend reducing the me of intervenon
* To replace the glycol, refer to the documentaon provided by the supplier.
18.
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