ASHRAE class compliance information

Air temperature:

• Operating:

  • ASHRAE class A2: 10–35°C (50–95°F); when the altitude exceeds 900 m (2953 ft), the maximum ambient temperature value decreases by 1°C (1.8°F) with every 300 m (984 ft) of altitude increase.

  • ASHRAE class A3: 5–40°C (41–104°F); when the altitude exceeds 900 m (2953 ft), the maximum ambient temperature value decreases by 1°C (1.8°F) with every 175 m (574 ft) of altitude increase.

  • ASHRAE class A4: 5–45°C (41–113°F); when the altitude exceeds 900 m (2953 ft), the maximum ambient temperature value decreases by 1°C (1.8°F) with every 125 m (410 ft) of altitude increase.

• System off: 5–45°C (41–113°F)

• Shipping or storage: -40–60°C (-40–140°F)

Maximum altitude: 3050 m (10 000 ft)

Relative humidity (non-condensing):

• Operating:

  • ASHRAE class A2: 8%–80%; maximum dew point: 21°C (70°F)

  • ASHRAE class A3: 8%–85%; maximum dew point: 24°C (75°F)

  • ASHRAE class A4: 8%–90%; maximum dew point: 24°C (75°F)

• Shipping or storage: 8%–90%