
CHA/K 182÷604
Air cooled liquid Chillers and Heat Pumps with axial fans, Scroll compressors and shell and tube exchanger
The liquid Chillers and Heat Pumps of the CHA/K 182÷604 series, with R410A refrigerant, are designed for medium-sized service sector or industrial ambients.
On request, units can be supplied with R452B or R454B refrigerant.
Versions
- CHA/K - Cooling only
- CHA/K/WP - Reversible Heat Pump
- CHA/K/SSL - Super silenced cooling only
- CHA/K/WP/SSL - Super silenced reversible Heat Pump
Power range
- 49,0-179 kW
- 14,0-51,0 Ton
Features
- Structure with supporting frame, made of galvanised sheet metal with additional protection provided by polyester powder coating.
- Scroll compressors with oil sight glass, internal overheat protection and crankcase heater.
- Axial fans directly coupled to an electric motor with external rotor.
- Condenser made of copper tubes and aluminium finned coil.
- Shell and tube type evaporator with one circuit on the refrigerant side and one on the water side in 182÷453 models; with two independent circuits on the refrigerant side and one on the water side in 524÷604 models, complete with water differential pressure switch.
- R410A refrigerant. On request R452B or R454B refrigerant.
- Electrical board includes: main switch with door safety interlock, fuses, thermal protection relays for compressors and thermocontacts for fans.
- Microprocessor control and regulation system.
Accessories
Factory fitted accessories
- IM Automatic circuit breakers
- RE Adjustable minimum/maximum voltage and phase control relay
- SL Unit silencement
- RFM Cooling circuit shut-off valve on discharge line
- RFL Cooling circuit shut-off valve on liquid line
- CT Condensing control down to 0 °C
- CC Condensing control down to -20 °C
- BT Low water temperature kit
- EC EC Inverter fans
- ECH EC Inverter fans with high available static pressure
- HR Desuperheater
- HRT/S Total heat recovery in series
- TX Coil with pre-coated fins
- EW External water connections
- SP Inertial tank
- PU Single circulating pump
- PUI Inverter single circulating pump
- PD Double circulating pump
- PDI Inverter double circulating pump
- SPU Inertial tank and single circulating pump
- SPUI Inertial tank and Inverter single circulating pump
- SPD Inertial tank and double circulating pump
- SPDI Inertial tank and Inverter double circulating pump
- GS Single circulating pump gasket for glycol >30%
- GD Double circulating pump gaskets for glycol >30%
- FE Antifreeze heater for evaporator
- FB Antifreeze heater for evaporator/tank
- SS Soft start
- IS Modbus RTU protocol, RS485 serial interface
- IAV Remote set-point, 0-10V signal
- IAA Remote set-point, 4-20mA signal
- IAS Remote signal for second set-point activation
- IDL Demand limit from digital input
- MN High and low pressure gauges
Loose accessories
- CR Remote control panel
- SQC Sequencer. Option to be compulsorily combined with just one unit in the network.
- RP Coils protection metallic guards
- AG Rubber shock absorbers
- AM Spring shock absorbers
- FL Flow switch