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Precision Cooling
For Business-Critical Continuity™
® ™
Liebert XDK-W Rack Enclosure With Integrated Liquid Cooling
User Manual–25kW, 50 and 60Hz
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CoolTherm Manual / Bedienungsanleitung Manual CoolTherm Server Cabinet with integrated liquid cooling Effective cooling capacity 12 - 25 / 35 KW Bedienungsanleitung CoolTherm Schaltschrank mit integrierter Flüssigkeitskühlung Nutzkühlleistung 12 -25 / 35 KW (ab Seite 42) date / Datum issue / Ausgabe
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CoolTherm Manual / Bedienungsanleitung Contents page 0. Abstract ......................................................................................................................................... 3 1. Safety.......................................................................................................................
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CoolTherm Manual / Bedienungsanleitung 0. Abstract The CoolTherm platform provides the dissipation of heat loads from 10 up to 22 / 35 kW. The server rack is closed to the installation area, that means no heat load will dissipate to the environment. (see also chapter 2.) The cooling is provided by a closed cooling system via an air- to-water h
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CoolTherm Manual / Bedienungsanleitung Important note, information 1.2 Safety instructions Our engineers will provide comprehensive support on how to install the CoolTherm. Extensive material, function and quality checks ensure that you fully benefit from product functions and a long service life. Nevertheless, th
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CoolTherm Manual / Bedienungsanleitung During all work on and with the unit, observe: • The related applicable regulations (e. g. VDE regulations or other applicable national regulations) • The applicable accident prevention instructions (BGV) • The applicable rules • The applicable laws on the protection of the environment Only operate
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WARM WARM CoolTherm Manual / Bedienungsanleitung Temperature spread, water: 6K Use of anti-freeze in the chilled water: upon request Water connection: from below Condensed water connection: from below Nominal voltage at cooling capacity: 12 KW, 17 KW, 25 KW 200V to 264V / 50Hz / 60 Hz Max. operat
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CoolTherm Manual / Bedienungsanleitung 3.2 Principle of operation of cooling Air that has been heated by the servers (to 35°C/95°F, e.g.) is fed to a specially designed air/water heat exchanger using high-performance fans. There the air is cooled to approx. 20-25°C / 68-77°F, and fed to the front of the server. The server fans can draw in t
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CoolTherm Manual / Bedienungsanleitung If the front door is opened, it is not necessary to open the rear door. 3.3 Dimensions 1 5 4 3 2 1 Multifunction door (rear) with embedded redundant fans, air duct and sealing 2 Heat exchanger with condensate tray, condensate connection 3 recirculation de
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CoolTherm Manual / Bedienungsanleitung legend: 1 sealed cable cutout 2 cutout for chilled water pipes 3 cable entry (network cable) 4 cutouts for condensed water rear side standard dimension front side cover dimensions with cable entries 12- 17 - 25 / 35 kW plan view) Cable and pipe openings are to be sea
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CoolTherm Manual / Bedienungsanleitung Dimensions bottom plate / cut outs / connections 12- 17 - 25 / 35 kW CoolTherm 01_998_330_0_k page / Seite 10/83
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CoolTherm Manual / Bedienungsanleitung Useable space for server CoolTherm 01_998_330_0_k page / Seite 11/83
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CoolTherm Manual / Bedienungsanleitung 3.4 Technical data Housing material: Aluminium sheet, sheet steel, galvanized and coated Operating Temperature range: 10 °C to 35 °C / 50°F to 95°F abs. atmospheric humidity: 8g / kg maximum Air outlet to heat exchanger: 20 to 25°C / 68 to 77°F according to ASHRAE Temperature differenc
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CoolTherm Manual / Bedienungsanleitung Data overview CoolTherm Table A General data Spread chilled water: 12 / 18°C (nominal conditions) Maximum operation pressure heat exchanger: 10 bar Air temperature to server: 22°C Maximum absolute humidity on site : 8g/kg Connection heat exchanger: 1“ female threat Colour code for standard
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CoolTherm Manual / Bedienungsanleitung Data overview CoolTherm Table B (Hydraulic Data) effective total cooling total cooling water water flow pressure water water cooling capacity capacity content rate loss temperature temperature capacity (at normal (at full speed cabinet rise rise operation) operation / (at normal (at full speed eme
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CoolTherm Manual / Bedienungsanleitung 3.5 Control The server cabinet temperature is controlled by the fan control board VR 2.2. A air temperature sensor continuously measures the temperature of the server cabinet (server feed air). The air circulation flow rate is controlled by the fan speed according to the current thermal load. At temper
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CoolTherm Manual / Bedienungsanleitung valve actuator Three way valve Bypass (flow direction) CoolTherm Heat Exchanger (rear view) The programming of the control is factory preset and password protected. The failure of the temperature sensor or one of the fans set an alarm using a potential free contact. Following alarms can be a
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CoolTherm Manual / Bedienungsanleitung Start at 16°C air inlet temperature three- way valve control characteristic (factory setting) 4. Storage and transportation • Cover open pallets with tarpaulins and protect the components from soiling (e. g. sand, rain, dust, etc.). • Keep storage temperatures between –30 °C and +50 °C / -22
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CoolTherm Manual / Bedienungsanleitung Safety instruction for crane transport: < 680 kg Eyebolts M 12 according to standard DIN 580! > 680 kg > 1000 kg CoolTherm 01_998_330_0_k page / Seite 18/83
