Can the ADC-V522IR be used outdoors?

No. The ADC-V522IR is meant for indoor use only. The operating temperature is 0°C ~ 40°C (32°F ~ 104°F), and the operating humidity is 20% ~ 80% (non-condensing) RH.

For more information about the ADC-V522IR, see Indoor Fixed w/IR (ADC-V522IR) - Data Sheet.