STRUCTURAL FEATURES
Compressor: high energy efficiency semi-hermetic screw compressor with variable
Vi intrinsic compression ratio, star-delta limited start-up, inverter rotation adjustment
(12.5-100%), complete with integral protection, casing heater, oil level sensor and
refrigerant gas outlet piping shut-off valve.
Water side heat exchanger: dry expansion shell and tube exchanger with
counterflow heat exchange, complete with closed cell polyurethane foam rubber
insulation, water flow differential pressure switch and Victaulic fittings.
Air side heat exchanger: with micro-channels.
Fan: external rotor axial type electric fans equipped with internal thermal protection,
accident protection grilles and proportional electronic device for continuous fan
rotation speed adjustment.
Control: microprocessor electronic control.
Structure: made of galvanised and painted steel plate with polyester powder
coating.

STANDARD FEATURES
Display of cooling circuit high/low pressure.
Electronic expansion valve.
Oil level sensor;
Clock board.
Master/Slave control up to 4 units in parallel.
Control of Variable Primary Flow (VPF_R).

MODELS
TCAITL: high efficiency unit designed for cooling only with R513A gas.
TCAIQL: super silenced unit designed for cooling only with R513A gas.
TCAITZ: high efficiency unit designed for cooling only with R134a gas.
TCAIQZ: super silenced unit designed for cooling only with R134a gas.

VERSIONS
T - High efficiency version with oversized condensing section (TCAITL-TCAITZ).
Q - Super-silenced version complete with compressor technical compartment
soundproofing, reduced speed fans and oversized condensing section (TCAIQLTCAIQZ).

FACTORY FITTED ACCESSORIES
• PUMP with single or double electric pump, one of which automatic in standby.
The electric pumps are available in the low or high head versions.
• Inverter pump control for unit start-up.
• Desuperheater.
• 100% heat recovery unit.
• Condensing control with fans with EC motor.
• Condensing control with over-pressure fans (T version only).
• Power factor correction capacitors (cosφ > 0.94).
• Compressor circuit breaker switches.
• Electro-mechanical flow switch.
• EMC anti-disturbance filters.
• Forced limit of power consumption.
• Forced noise limit.
• Energy parameter measuring device.
• Soundproofed compressor box.
• Cooling circuit intake valves.
• Refrigerant leak detector.
• Cooling circuit high and low pressure gauges.
• Double safety valves.
• Coil protection nets or buffer panels.
• Microchannel coils with E-coating treatment, copper/aluminium, copper/copper,
pre-painted copper/aluminium.
• Control of min/max power supply voltage.
• Digital input for double set-point.
• 4-20 mA analogue signal for shifting set-point.
• Evaporator antifreeze heater, electrical panel, electric pumps and heat
exchangers for heat recovery if applicable.
• Interfaces for serial communication with other devices.
• Colour touch user keypad (fitted on the machine or remotely) with 7” display.
• Spring anti-vibration mounts.
• Protective packaging.

SEPARATELY SUPPLIED ACCESSORIES

• Remote keypad with display.
• Thermostat with display.
• Üntes supervisors for unit monitoring and remote management.
• Üntes sequencer for integrated management of multiple chillers.