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The user is responsible for ensuring that the unit is in perfect working order and that the technical
installation and minimum maintenance operations have been performed by a qualied technician
in accordance with the procedures described in the present manual.
Caution
Warning
Isolate unit from power supply before working on unit.
All refrigerating uid charging, sampling and draining operations must be performed by a skilled
technician using equipment adapted to the unit, in agreement with authority regulation in effect
on site.
Any inappropriate handling may cause uncontrolled uid venting into the atmosphere.
Caution
Warning
Opening the refrigeration circuit then involves vacuum drawing, checking the circuit sealing and
recharging refrigerating uid. For any intervention on the refrigerating uid circuit, rst drain the
unit's charge using a refrigerating uid collection station.
33SysAqua
17. MAINTENANCE
Depending on actual operational constraints and regulatory changes, the installer might recommend
increased maintenance operations and more frequent inspections.
Simple preventive maintenance ensures longevity of your SysAqua :
² Better refrigeration performance
² Reduced power consumption
² Accidental component breakage prevention
² Prevention of heavy, late, and expensive interventions
² Environment protection
17.1. WEEKLY CHECK
Check:
² the oil level of the compressors (use sight glass on the oil equalization pipe of compressor tandems)
² the humidity rate of the refrigerating uid using the uid indicator
² the operating pressure of the installation
² the water temperature at the plate exchanger inlet and outlet.
Inspect the entire running installation, while paying particular attention to :
² any damage on the SysAqua housing
² any traces of oil (sign of refrigerating uid leak)
² any water leak
² the presence of removed protections, doors or lids improperly closed
² the coil's cleanliness.
When the SysAqua is running, perform a sound check of the compressors, pump and fans. Also check that
no vibration can cause breakage or wear by vibrating contact.
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