Chiller Module Specifications & Features
K-O Concepts Models HS-4
K-O Concepts Inc. Chiller Part Number	2543-2650
Cooling Capacity	400 watts / 1,360 BTU typical capacity w/ 20°C refrigerant
115 VAC, 60 Hz Model	250 watts / 850 BTU typical capacity w/ 10°C refrigerant
Cooling Capacity	400 watts / 1,360 BTU typical capacity w/ 20°C refrigerant @ 60 Hz
220 VAC, 50 / 60 Hz Model	300 watts / 1,025 BTU typical capacity w/ 20°C refrigerant @ 50 Hz
Refrigerant Delivery	Type R134a refrigerant delivered via 8 ft. long flexible hoses.
Optional Cooling Applications	Remote forced air evaporator assembly available for electronics
	cabinet cooling applications.
Mounting	Standard 19-inch rack-mounted configuration.
Environment	Indoor operation w/ unrestricted ambient air from 15-30ºC/59-86ºF w/
	relative humidity from 10-90% (non condensing).
Temperature Stability	Refrigerant temperature operational range:  7-20°C ±0.5°C.
Heat Dissipation	To air (air-cooled)
Condenser Fan	AC Axial Type:  70 CFM @ 0.12 inches static pressure typical
Compressor Type	Hermetic
Environment	Indoor operation w/ unrestricted ambient air from 15-30ºC/59-86ºF.
Refrigerant Type	All models use R134a (HFC-134a).  Refrigerant is CFC - Free.
Input Voltage & Frequency Requirements	Model HS-4 / 115:  115 VAC, 1Ø, 60 Hz
	Model HS-4 / 220:  220 VAC, 1Ø, 50 Hz
Current Draw	Model HS-4 / 115:  3.2 A @ 60 Hz (Typical)
	Model HS-4 / 220:  1.8 A @ 50 Hz (Typical)
Circuit Breaker	Model HS-4 / 115:  7 A @ 250 VAC (single pole)
	Model HS-4 / 220:  5 A @ 250 VAC (single pole)
AC Power Inlet	IEC 60320 compatible
Air Filter	Cleanable filter installed and spare filter pack shipped with unit.
Cabinet Dimensions (H x W x D)	All Models:  6.5 x 17.5 x 7.5 inches
Front Panel Dimensions (H x W)	All Models:  7.0 (4 units) x 19.0 inches
Dry Weight	26.0 lbs / 11.8 kg
Notes:
*     Cooling capacity ratings are @ 30°C / 86°F.
*     Call for cooling capacities @ return air temperatures other than those listed.
*     See Thermal Performance chart for cooling capacities @ other process temperatures.
*     Specifications are subject to change without notice.		Page 3 of 4