In-Rack Coolin Units

CoolSpot CW TW

Small rooftop air conditioning units for perfect air separation, conserve space in the server room.

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Product introduction

CoolSpot Top Mount (AC-TW xx) units provide appropriate cooling without taking up additional server room floor space that could be used for racks. The units are available in ratings from 2,200 to 6,700 Watts to provide the required cooling performance for each cabinet. The actual performance depends on the temperature of the cooling water and the air in the cabinet.

The air conditioning units are supplied with a special adapter – a roof plate that fits exactly to the respective CONTEG cabinet type and the size of the cooling unit. Naturally, the units require space above the cabinet for installation and service. CoolSpot AC-TW units are compatible with free-standing RSF and RDF series cabinets.

A great advantage of the Top Mount design is the option to supplement the system of the cabinet and air conditioning unit with a separation frame and plugs, which will perfectly separate the cold zone for IT components from the warm zone from which air is drawn into the CoolSpot cooler. The result is highly efficient, cost-effective cooling.

Key benefits of the product

All heat is transferred to the cooling water outside the room
Unlimited room temperature range
Filterless operation

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Key features

Product line name	CoolSpot CW TW
Body text 2	CoolSpot CWs have been developed for locations where heat and noise from the compressor circuit might interfere with other operations in the room. The units require a connection to the building’s central cold water supply. The cooling capacity of each air conditioning unit is controlled by a 2-way valve according to the actual need in order to maintain the required temperature inside the CONTEG cabinet. CoolSpot CW air conditioning units are designed to maintain the required air temperature inside CONTEG cabinets with minimal power consumption. The units include a high-efficiency water exchanger that connects to the building’s existing cold water distribution system. A radial fan ensures even air flow inside the cabinet and heat removal from the interior to the water tube exchanger. Thanks to quiet operation, the units can be installed even in rooms with permanent human presence, and the heat from the cabinets does not disturb the comfort in the room. When installing the units, make sure there is sufficient space above or next to the cabinet for installation and subsequent servicing of the cooling device. CoolSpot CW units include a 2-way solenoid valve with a capillary controlled mechanical thermostat at the air exhaust. The desired temperature can be set in the range from 20 to 46 °C with 4K hysteresis. The valve also closes if the float in the condensate pan detects an excessive level. In such case, the fan remains in operation. Cabinets with CoolSpot units can easily be supplemented with a simple CONTEG RAMOS monitoring system to monitor the internal and external temperature and humidity.
Input power	AC-TW15 - 80W; AC-TW50 - 215W
Power	AC-TW15 - 230V/1Ph/50Hz; AC-TW50 - 230V/1Ph/50Hz
Weight (kg)	AC-TW15 - 21kg; AC-TW50 - 39kg
Water flow	AC-TW15 - 150l/h; AC-TW50 - 860l/h
Cooling performance	AC-TW15 - 2200W; AC-TW50 - 6700W
Fuse	AC-TW15 - 2A; AC-TW50 - 4A
Maximum current	AC-TW15 - 0.36A; AC-TW50 - 0.95A
Maximum air flow	AC-TW15 - 575m3/h; AC-TW50 - 1450m3/h
Water connection	AC-TW15 - 1/2"G; AC-TW50 - 1/2"G
Water pressure loss	AC-TW15 - 30kPa; AC-TW50 - 40kPa

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