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If equipment is stored for longer than 60 days special precautions must be taken to avoid coil damage.
All coils should be charged and sealed with a low pressure 1 to 3 PSIG (6.9 to 20.7 kPa) inert gas,
such as nitrogen. This prevents contaminates from entering the coils; then when the seal is broken at
installation, the rush of escaping gas verifies the coil is still leak free. If coils are not charged and sealed,
condensation mixes with air pollutants forming a weak acid and over time can cause pin hole leaks to
develop in the coil tubes.
It is the responsibility of the customer to submit a monthly log sheet showing the condition of the unit
and noting any discrepancies. A copy of the log sheet should be sent to Data Aire. Failure to perform
the long-term storage requirements may void the warranty.
Suggested Reference Storage Room Conditions
• Dry bulb temperature range: 65°F to 85°F (18.3C) to 85°F (29.4C).
• Effects of high temperatures may dry out components or may damage electrical components.
• Effects of low temperatures may cause freezing damage to coil, compressor, system
components, electrical components, etc. Freezing temperatures must be avoided.
• Humidity range: 25 to 50% RH.
• High humidity may cause damage to insulation and electrical components. Storage in moist
air, above 50%, should be avoided. High humidity may cause rust on metal components such
as sheave, pulley, blower housing, cabinet parts, supports, etc.
• Low Humidity may cause brittle conditions to components within the unit. At low humidity,
problems of brittleness or electrical static might arise for the equipment.
• Level with floor.
• Units with compressor maximum tilt angle is 30° (compressor not running) but recommend
the unit be set level for 24 hours prior to final installation.
• Store at non-condensing temperature and humidity conditions.
General Storage Considerations
• All equipment shall be stored for safety of occupants. Per OSHA codes and codes applicable
to your installation.
• Maintain clearance from working space and traffic areas.
• Our indoor products are not designed or intended to be stored outdoors or exposed to
outdoor conditions.
• Components sealed in plastic shrink-wrap are not exempt from this requirement. Moisture
will collect inside the plastic, resulting in corrosion of the cabinet, the electronic components
and or other water sensitive components.
• Provide proper fire protection per local and national codes.
• Protect from all water or fluid sources. Equipment should be protected from possible water
damage, such as from leaks, fire sprinkler discharge, and flooding.
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