Delta Ultron Series User Manual page 55

(Figure 5-2: 400/ 500/ 600kVA UPS_ Air Inlet & Outlet Direction)
WARNING:
1. Do not use air conditioners or similar equipment to blow into the rear of the
UPS.
2. Do not hinder ventilation of the UPS.
• Keep the installation area clean. Please note that wiring routes must be hermetic to
prevent possible damage from rodents.
• Keep the installation area's temperature around 25 ° C (77 ° F) and humidity within 95%.
The highest operating altitude is 1000 meters (3280 ft) above sea level.
For safety concerns, we suggest that you:
1. Equip surroundings of the installation area with CO
2. Install the UPS in an environment where fireproof materials are used to construct the
walls, floors and ceilings.
3. Install the UPS on a floor that is made of noncombustible materials.
• Do not allow unauthorized personnel to enter the installation area and assign specified
personnel to keep the UPS keys.
or dry powder fire extinguishers.
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