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RDHX - Cabinet Enclosure

Integrated rear-door air-to-water cooling enclosure — 50–100 kW (water), plug-and-play, compatible with standard 19 in EIA-310-D server racks. Rear-door, swing-open access for quick rack service without disturbing IT hardware.

Part number BSK-SCR-100

Rev. 1.0

Also in Air Cooling

High-Density Retrofit
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Type: Integrated rear-door air-to-water cooling unit (fan-assisted)
Rated Cooling Capacity: 50–100 kW (water)
Cooling Method: Air-to-water heat exchange; rear-door drycooler coil
Cooling Medium: Water or oil

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Rear-door swing access

Rear-door, swing-open access for quick rack service and component swap without disturbing IT gear.

Plug-and-play install

Integrates directly with standard 19 in EIA-310-D racks — no facility rework required.

Variable-speed fan control

16 × 12 in axial fans modulate on outlet-air temperature to match real-time heat load.

Integrated leak detection

Leak/drip sensing built into the coil and plumbing, with continuous air and water temperature monitoring.

High-density capacity

50–100 kW of water-side cooling per rack, supporting high-density compute deployments.

Flexible fluid compatibility

Runs on water, oil, or glycol mixtures with a max working pressure of 10 bar (145 psi).

Overview

Type	Integrated rear-door air-to-water cooling unit (fan-assisted)
Rated Cooling Capacity	50–100 kW (water)
Cooling Method	Air-to-water heat exchange; rear-door drycooler coil
Cooling Medium	Water or oil
Density Class	High-density rack cooling, up to 100 kW per rack
Installation	Plug-and-play; rear access for quick swap & maintenance
Warranty	Available on request

Dimensions & Construction

Overall L × W × H	72.3 × 47.5 × 95.0 in (1.84 × 1.21 × 2.41 m)
Unit Weight (dry)	950 lb (431 kg)
Operating Weight (filled)	~992 lb (450 kg)
Coil Internal Volume	5 US gal (19 L)
Housing Material	Sheet metal, painted / powder-coated exterior
Access	Rear-door, swing-open for rack service

Compatible Server Rack

Designed for Rack Size	36.1 × 24.0 × 90.0 in (L × W × H)
Rack Standard	19 in equipment, EIA-310-D compatible
Rack Height Class	≈ 48U
Rack Width	24 in (600 mm), standard
Compatibility	All standard server racks
Custom Sizes	Available upon request

Air-to-Water Cooler (Heat Exchanger)

Heat-Exchanger Type	Finned-tube air-to-water coil (rear-door)
Number of Coils	1
Coil Material	Aluminum
Water Flow Rate (design)	~60–120 L/min (16–32 GPM) for 50–100 kW
Water Inlet Temperature	38 °C
Water Outlet Temperature	50 °C
Water-Side Pressure Drop	≈ 40 kPa (typical, at max flow)
Max Working Pressure	≤ 10 bar (145 psi)
Fluid	Water or oil; glycol mixtures supported

Air Side & Fans

Number of Fans	16 × 12 in (305 mm) axial
Airflow Direction	Front-to-back (rack exhaust through coil)
Air Flow (max)	~12,000 CFM (20,400 m³/h)
Fan Control	Variable-speed on outlet-air temperature
Sound Level	~75 dB(A) (typical)

Connection & Interface

Power Input (drycooler)	380/480 V – 3 Phase, 50/60 Hz
Fluid Inlet / Outlet	2 in aluminum adapter, NPL (2 total)
Feed Orientation	Top or bottom
Working Fluid	Water or oil
Coil Material	Aluminum

Monitoring & Controls

Leak Detection	Integrated leak / drip detection
Sensing	Air & water temperature, humidity, pressure
Fan Control	Automatic speed control on outlet-air temperature
Communications	SNMP / Modbus / web UI (optional)
Fan Redundancy	N+1 (optional)

Operating Environment

Ambient Temperature	5 – 40 °C (indoor / data-center)
Relative Humidity	20 – 80 % RH, non-condensing
Altitude	≤ 1,000 m
Water Requirement	Supply temperature above room dew point

Options

Details	Performance figures are design / typical values; actual capacity depends on water supply temperature, water flow rate, and rack airflow. Water temperature must remain above the room dew point unless dew-point control is provided. Monitoring, communications, and fan-redundancy items are typical / optional — confirm configuration with the factory.