Z-Power SE Range 270-390 kW

Feel Efficiency and Compactness
Package Air Cooled Water Chillers with Axial Fans
Range with Semi Hermetic Screw Compressors
Eco Friendly R134A Refrigerant Gas

High Energy Efficiency Units
High Energy Efficiency & Comfort for All Seasons
Wide and Intelligent Options
Integrated Linear Capacity Control
Energy Saving Solutions for Commercial & Residential Buildings
Z-Power SE Range 270-390 kW
Cooling Only
  • Technical Features
  • Options
  • Documents

Compressor: high energy efficiency semi-hermetic screw compressor,
with star-delta limited start, complete with thermal protection,
crankcase heater and refrigerant gas delivery pipe shut-off valve.
Electronic expansion valve: as standard on all models.
Water side heat exchanger: dry expansion shell and tube exchanger,
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
powder coating.

• 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.

• PUMP with single or double pump, including an automatic pump in
standby. The pumps are available in the low or high pressure versions.
• Desuperheater.
• 100% heat recover.
• Thermostat with display for heat recover 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).
• Compressor and fan thermal overload switches.
• Forced limit of power consumption.
• Inlet compressor shut-off valves.
• Low and high pressure gauges for each refrigerant circuit.
• Bottom compartment protection grilles.
• Protection coil grilles.
• Linear capacity control compressor.
• Evaporator antifreeze heater, heat exchangers for heat recovery if
• 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.
• Copper/pre-painted aluminium or copper/copper coils.
• Interfaces for serial communication with other devices.
• Spring anti-vibration mountings.

• Remote keyboard with display.
• Untes supervisors for unit monitoring and remote management.
• Untes sequencer for integrated management of several water chille

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  • 53. Cad. 1450. Sok. Ulusoy Plaza No: 9/50 06520 Çukurambar - ANKARA
  • +90 (312) 287 91 00    untes@untes.com.tr