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Z-Power HE Series 770-1.290 kW

Explore and Enjoy Efficiency EER>3,37 – Class A
Air Cooled Chillers with Axial Fan
Semi Hermetic Screw Compressors
Eco Friendly R134A Refrigerant Gas


High Energy Efficiency Units
High Energy Efficiency and Comfort in All Seasons
Wide and Smart Options
Integrated Linear Capacity Control
With HT Series, It Can Operate at 55° Outdoor Air Temperature


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Technical Features
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Compressor: Semi hermetic screw compression compressor which has the features of high energy efficiency and star delta limited start and which is equipped with thermal protection, crankcase heater and refrigerant pipe shut-off valve.
Electronic Expansion Valve: It is standard for all models.
Water Side Heat Exchanger: Closed cell shell and tube evaporator which provides dry expansion and which is equipped with polyurethane foam insulation, water flow differential pressure switch, Victaulic connections and reverse flow heat exchanger.
Air Side Heat Exchanger: Finned coil developed with copper pipes and aluminium fins
Fan: Electrical axial fans with external rotor, equipped with built-in thermal protection, protection grill and proportional electronic device for constant regulation of fan rotational speed (only for S version) and fans with EC motor that ensures constant regulation of fan rotational speed (only for Q version).
Control: Electronic control with microprocessor.
Structure: Made of galvanized steel sheet, painted with polyester powders.
Moreover, the following features are added to the unit:
•High/low pressure gauge, belonging to refrigerant circuit.
•Clock board that displays the date and time and machine time band management.


B-Standard version (TCAVBZ) which provides high energy efficiency.
S-Silenced version (TCAVSZ) which is equipped with low speed fans and soundproof compressor cover.
I-Soundproofed version (TCAVIZ) which is equipped with soundproof compressor cover, providing high energy efficiency.
Q-Super silenced version (TCAVQZ) which is equipped with super low speed fans and EC motor, soundproof compressor cover with high acoustic impedance and a large condensation section.


• HT version for an outside temperature up to 55°C.
• Superheated steam cooler.
• Full (100%) heat recovery.
• Heat recovery unit/ Thermostat with superheated steam cooler.
• -10°C Condensation control (standard for S version).
• -15°C Condensation control, where fans with EC motor are located (standard for Q version).
• Power factor correction capacitors (cosφ > 0.94).
• Thermal overload valves for compressor and fan.
• Forced power usage limit.
• Compressor inlet shut-off valves.
• Low and high pressure gauges for each refrigerant circuit.
• Lower compartment protecting grills.
• Coil protection grills.
• Compressor control with linear capacity (25%-100%).
• Evaporator anti-freezing heater, buffer tank, pumps and heat exchangers for the heat recovery if applicable.
• Digital input for double set point.
• Compressor oil level sensor.
• Control of Minimum/Maximum power back-up voltage.
• 4-20mA analogue input for variable set point.
• Copper / Pre-Painted aluminium or copper/copper coils.
• Interfaces for serial communication with other devices.
• Spring anti-vibration supports.


• Remote keyboard with a display.
• Üntes Supervisors for unit monitoring and remote management.
• Üntes Sequencer for integrated management of multiple chillers.