Z-Flow SE
TCHVZ 1200÷31630
Cooling capacity: 198.8÷1.624.5 kW
Plus Product
Efficiency range with EER >4.70
33 sizes up to more than 1,600 kW
Heat pump set up with water production up to 55°C
Built-in MASTER/SLAVE management

Packaged water-cooled water chillers. Range with semi-hermetic screw compressors and R134a refrigerant gas.

Construction features

• Compressor: high energy efficiency semi-hermetic screw compressor, with star-delta or part-winding limited start up (depending on models) and complete with integral protection, casing heater and refrigerant gas outlet piping shut-off valve.
• Electronic expansion valve: as standard on all models.
• Water side heat exchanger (evaporator): dry expansion shell and tube exchanger with counterflow heat exchange, complete with closed cell polyurethane rubber foam insulation, water flow differential pressure switch and Victaulic fittings.
• Water side heat exchanger (condenser): shell and tube complete with safety valve, and service valve on the high-pressure refrigerant circuit.
• Control: microprocessor electronic control.
• Structure: made of galvanised and painted steel plate with polyester powder coating.
• The unit is also complete with:
– clock board;
– display of cooling circuit high/low pressure;
– Master/Slave control up to 4 units in parallel;
– 0-10V analogue input for condensing control performed by external device.

Versions

• B -Standard version (TCHVBZ).
• I – Soundproofed version with soundproofed compressor cover (TCHVIZ).

Models

• TCHVBZ: unit designed for cooling only.
• TCHVIZ: soundproofed unit designed for cooling only.

Factory fitted accessories

• VPF management.
• Desuperheater.
• 100% Heat recovery unit
• Thermostat with display for heat recovery unit/desuperheater.
• Set up for heat pump operation.
• Condenser Victaulic connections.
• Power factor correction capacitors (cosφ > 0.94).
• Circuit breaker switches.
• Forced limit of power consumption.
• Soft starter.
• Inlet compressor shut-off valves
• Linear capacity control compressors (50-100 % for each compressor).
• Evaporator antifreeze heater.
• 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.
• Interfaces for serial communication with other devices.
• Spring anti-vibration mounts.
• Rubber anti-vibration mounts.

Separately supplied accessories

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

Data at the following conditions:

❶         Chilled water: 7/12℃. – Condenser input water: 30/35°C.

❸         Total sound power level in dB(A) based on measurements carried out in accordance with regulation UNI EN-ISO 9614.

❺         Empty weight.

• ESEER = (European seasonal EER) – Average European seasonal efficiency.

■             TCHVIZ soundproofed version.

Performance according to EN 14511:2013