• Compressor: high energy efficiency semi-hermetic screw compressor,
with stardelta limited start and complete with thermal protection,
crankcase heater and compressor discharge shut-off valve.
• Electronic expansion valve: as standard on all models.
• Water side heat exchanger (mod. 2331÷2511): stainless steel plate
exchanger with closed cell polyurethane foam rubber insulation,
complete with water flow differential pressure switch and Victaulic
• Water side heat exchanger (mod. 2551÷2701): dry expansion shell and
tube exchanger with counter-current heat exchange, complete with
closed cell polyurethane rubber foam insulation, water flow differential
pressure switch and Victaulic connections.
• Air side heat exchanger: finned coil with copper pipes and aluminium
• Fan: electric axial fans with external rotor, equipped with internal
thermal protection, protection grilles and proportional electronic device
for continuous fan rotation speed regulation (S version only).
• Control: microprocessor electronic control.
• Structure: in galvanised and painted sheet steel, with polyester
•Display of refrigerant circuit high/low pressure;
•Clock board for displaying date/time and machine time band
• B - Standard version (TCAVBZ).
• S - Silenced version with lower speed fans and soundproofed
compressor cover (TCAVSZ).
• I - Soundproofed version with soundproofed compressor cover
• TCAVBZ: unit designed for cooling only.
• TCAVSZ: silenced unit designed for cooling only.
• TCAVIZ: soundproofed unit designed for cooling only.
FACTORY FITTED ACCESSORIES
• Shell and tube evaporator (mod. 2331÷2511).
• PUMP with single or double electric pump, including an automatic pump in standby. The pumps are available in the low or high head versions.
• TANK&PUMP (mod. 2331÷2511) with 1000 litre integrated buffer tank and single or double electric pump, complete with expansion tank, air vent valves, safety valve and water side pressure gauge.
• VPF management:
• 100% Heat recovery unit
• Thermostat with display for heat recovery unit/desuperheater.
• -10°C condensing control (as per standard in S version).
• -15°C condensing control with fans with EC motor.
• Power factor correction capacitors (cos > 0.94).
• Fan and compressor circuit breaker switches.
• Forced limit of power consumption.
• Soft starter.
• Inlet compressor shut-off valves.
• Low and high pressure gauges for each cooling circuit.
• Bottom compartment protection nets.
• Coil protection nets.
• Linear compressor capacity control (25-100 %).
• Evaporator antifreeze heater, buffer tank and heat exchangers for heat recovery if present.
• Digital input for double set-point
• Compressor oil level sensor.
• Control of min/max power supply voltage.
• 4-20 mA analogue input for shifting set-point.
• Low temperature water production.
• Pre-painted copper/aluminium or copper/copper coils.
• Interfaces for serial communication with other devices.
• Spring anti-vibration mounts.
SEPARATELY SUPPLIED ACCESSORIES
• Remote keyboard with display.
• Untes supervisors for unit monitoring and remote management.
• Untes sequencer for integrated management of several water chillers.