User Manual

Chapter 4 Maintenance
4-3
4.3 Periodic Check Points
To keep your PS-A unit in its best condition, please inspect the following points periodically.
PS-A Operation Environment
Is the operating t emperature within the al lowable range?
PS-3710A: 0°C to 50°C (without HDD) 5°C to 50°C (with HDD)
PS-3711A: 0°C to 50°C (without HDD) 5°C to 45°C (with HDD)
Is the operating humidity within the spec ified range?
PS-3710A: 10 to 90%RH (Not condensing, wet bulb temperature: 29°C or less.
)
PS-3711A: 10 to 90%RH (Not condens ing, wet bulb temperature: 39°C or less. Wet bulb temperature with
HDD: 29°C or less.)
Is the operating atmosphere free of corrosive gasses?
When using the PS-A unit inside an enclosure, the enclosure’s atmosphere is the ambien t environment.
Electrical Specifications
Is the input voltage appropriate?
AC Power Supply type: AC85 to 265V, 50/60Hz
DC Power Supply type: DC19.2 to 28.8V
Related Items
Are all power cords and cables connected properly? Have any become loose?
Are all mounting brackets holding the unit securely?
Are there many scratches or tra ces of dirt on the installation gasket?