Operating Instruction
Healthcare chiller of the KSC Series
Version „Revision 09“
Type KSC 215-L-U/S
page 6von138
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General description
The chiller KSC215-L-U/S are fully assembled, factory inspected and tested, and suitable for fully-automated
operation. The water ethylene glycol mixture that undergoes cooling is constantly circulated by the pump in a
closed system which is monitored by an flow switch and an expansion tank. The temperature is controlled by
an Siemens SPS. The settings on the governor is kept automatically within the limits that are possible for the
given degree of temperature exactitude.
The process heat is transmitted from the water in the in-built heat exchanger (evaporator) to the refrigerant
circuit (R 134a). The compressor raises the refrigerant to a higher temperature and pressure so that the
warmth can be released via the condenser to the surrounding air. Consequently good air supply and escape
are vital for the proper running of the plant. The condenser-pressure is controlled by a Frequency inverter for
the condenser fan speed.
The chiller KSC215-L-U/S are fitted with low-pressure sensor as protection against freezing and excess
temperature. With this, it is possible to set leaving water temperatures from +19°C to +22°C.
Ethylene glycol must be added at the rate of min. 35vol.% to max. 38vol.% and it depends not on the
ambient temperature!
Do not use automotive ethylene glycol!!!
Changes in the settings should only be made by qualified operatives.
Cooling block Type KSC 215-L- U/S
Air-cooled design for outdoor use, consisting mainly of:
The housing with stable welded, galvanized framework-construction , lateral cover-plates with drawer-edges
made of galvanized steel plate with ventilating nozzles worked into the top plate.
Framework-construction and top-plates, powder-coated on the inside and outside, RAL 1013 -pearl white. All
outer fastening screws rust-proof, inspection-caps at the front easily removable for maintenance using
casement-fastener caps.
Compressors, cooling and cold-water/ethylene-glycol mountings, additionally sound and rain-proofed using a
galvanized cover-plate.
Condenser axial-fans controlled by frequency inverter depends of the condenser pressure. Ventilators equipped
with protective-grating on the delivery side
Laterally mounted capacitor heat-exchanger made of Cu-AL with covering galvanized framework, enameled fully
in black.
Cooling-unit for fluid cooling, consisting of:
