Air cooled water chillers and heat pumps
with radial fans
IDRA - RSC Series
Use, installation and maintenance manual
6
GB
IDRA-RSC H VERSION COMPONENTS DESCRIPTION
COMPRESSORS
Reciprocating hermetic compressors for sizes 5 and 7, hermetic scroll compressors provided with internal thermal protection for the remaining sizes.
Direct starting. The compressors are located in a soundproof technical room.
EVAPORATORS
Stainless steel plate heat exchanger with closed cells polyurethane thermal insulation. In order to protect the exchanger a differential pressure switch is
provided as a standard on all the units.
RADIAL FANS
Direct driven radial fans with internal thermal protection.
CONDENSER COILS
Copper pipes and louvred aluminium fi ns.
CONTROL AND SAFETY DEVICES
Microprocessor with the following main functions: cooling capacity control based on the inlet water temperature; setting of all the operating parame-
ters; display of chilled water inlet and outlet temperature; display of the alarms; compressor timer setting; alarms reset; automatic starting after power
failure.
ELECTRICAL PANEL
Double door casing including: main switch, thermal protection on auxiliary circuits and fans, compressors contactors.
REFRIGERATION CIRCUIT
The refrigeration circuit includes: expansion valve, drier-fi lter, high pressure switch with manual reset, low pressure switch with automatic reset, 4-way
valve, liquid receiver and non-return valves.
FRAME
Robust galvanized steel base and frame, epoxy painted and external panels in aluminium/magnesium alloy. Stainless steel screws.
STANDARD HYDRAULIC KIT
Standard hydraulic kit including: expansion tank, buffer tank, pump, air release valve, water discharge shut-off valve, fl ow switch.
