The Bard DUAL-TEC™ Wall Mount™ Air Conditioners with -48VDC Blower Motor and DC Voltage Free Cooling Economizer are designed for maximum indoor cooling at the most efficient operating cost for year-round operation in the demanding equipment shelter environment.
The DUAL-TEC™ units operate on both AC and -48VDC positive ground power under normal power supply conditions. If there is loss of AC power supply (shore &/or back-up generator) the DUAL-TEC™ will continue to operate as free-cooling or ventilation system using the shelter’s DC power. The DUAL-TEC™ indoor blower and economizer operate from -48VDC and no inverter is required.
The DUAL-TEC™ units will supply up to 100% of rated cooling airflow in free cooling mode with the ability to exhaust the same amount through the unit itself without any additional relief openings in the shelter.
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Item #

Cooling Full Capacity

Cooling EER Full Capacity

Control Panel Access

Shipping Weight

D28A2PA N/A 28600 Btu/hr N/A 11.5 N/A Right N/A 550 lb
D28A2PB N/A 28600 Btu/hr N/A 11.5 N/A Right N/A 550 lb
D36A2PA N/A 36000 Btu/hr N/A 11.5 N/A Right N/A 565 lb
D36A2PB N/A 36000 Btu/hr N/A 11.5 N/A Right N/A 565 lb
D42A2PA N/A 41500 Btu/hr N/A 11.0 N/A Right N/A 565 lb
D42A2PB N/A 41500 Btu/hr N/A 11.0 N/A Right N/A 565 lb
D48A2PA N/A 47000 Btu/hr N/A 10.5 N/A Right N/A 630 lb
D48A2PB N/A 47000 Btu/hr N/A 10.5 N/A Right N/A 630 lb
D60A2PA N/A 57000 Btu/hr N/A 10.0 N/A Right N/A 635 lb
D60A2PB N/A 57000 Btu/hr N/A 10.0 N/A Right N/A 635 lb
D28L2PA N/A 28600 Btu/hr N/A 11.5 N/A Left N/A 550 lb
D28L2PB N/A 28600 Btu/hr N/A 11.5 N/A Left N/A 550 lb
D36L2PA N/A 36000 Btu/hr N/A 11.5 N/A Left N/A 565 lb
D36L2PB N/A 36000 Btu/hr N/A 11.5 N/A Left N/A 565 lb
D42L2PA N/A 41500 Btu/hr N/A 11.0 N/A Left N/A 565 lb
D42L2PB N/A 41500 Btu/hr N/A 11.0 N/A Left N/A 565 lb
D48L2PA N/A 47000 Btu/hr N/A 10.5 N/A Left N/A 630 lb
D48L2PB N/A 47000 Btu/hr N/A 10.5 N/A Left N/A 630 lb
D60L2PA N/A 57000 Btu/hr N/A 10.0 N/A Left N/A 635 lb
D60L2PB N/A 57000 Btu/hr N/A 10.0 N/A Left N/A 635 lb
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