Eaton 93PR Series - User Precautions; Environment

25-75 kW
User's and Installation Guide 3
1.3 User Precautions
The only user operations permitted are:
• StartupandshutdownoftheUPS,excludingthecommissioningstartup.
• Addorreplacethehot-swappableUPM(s).
• UseoftheLCDcontrolpanelandMaintenanceBypassSwitch(MBS).
• Useofoptionalconnectivitymodulesandtheirsoftware.
The user must follow the precautions and only perform the described operations. Any deviation from the
instructions could be dangerous to the user or cause accidental load loss.
WARNING
TheuserisnotpermittedtoopenanyscrewsexcludingconnectivityplatesandtheMBSlockingplate.Failureto
recognise the electrical hazards could prove fatal.
CAUTION
• The93PRmodelsareavailableasC2UPSproductwhichcanbeplacedbothinaresidentialandcommercial/
industrialenvironment.Whenincludedinaresidentialenvironment,thisproductmaycauseradio
interference,inwhichcasetheusermayberequiredtotakeadditionalmeasures.
• Bystandard,the93PRmodelsarecategoryC3UPSproducts,meantforallcommercialandindustrial
establishments.
1.4 Environment
The UPS must be installed according to the recommendations in this manual. Under no circumstances
should the UPS be installed in an airtight room, in the presence of flammable gases, or in an environment
exceeding the specifications.
Excessive amount of dust in the operating environment of the UPS may cause damage or lead to
malfunction. The UPS should always be protected from the outside weather and sunshine. In order to
maximize internal battery service life time, the recommended operating temperature range is from +20 to
+25 ºC.
WARNING
• Hydrogenandoxygengasesareemittedfrombatteriesintothesurroundingatmosphereduringcharge,float
charge,heavydischarge,andovercharge.Explosivegasmixturemaybecreatedifthehydrogenconcentration
exceeds4%byvolumeinair.NecessaryairflowrateforventilationofUPSlocationmustbeensured.
• Asanexample,for93PR25-75kWUPS,aminimumairflowis5m³/hourfortheroomwhereone93PRUPS
withinternalVRLAbatteriesisplaced.IfmorethanoneUPSwithinternalVRLAbatteriesarelocatedinthe
sameroom,ventilationairflowmustbedimensionedaccordingly.Ifexternalfloodedcellbatteriesareused
insamelocation,ventilationairflowmustberecalculatedanddimensionedaccordingly.