Z-Power EXP 550-700 kW Screw

Z-Power EXP 550-700 kW Screw

Polyvalent Heat Pumps for Ecological Air
Air-to-Water Polyvalent Heat Pumps with Axial Fans
Semi-hermetic Screw Compressors
Environmentally Friendly R134A Refrigerant Gas

COP Up to 8.33
High Energy Efficiency & Comfort in All Seasons
Wide and Smart Choices
Simultaneous Comfort and Domestic Water
Energy Saving Customized Solutions for All Commercial Buildings & Residences

STRUCTURAL FEATURES

• Compressor High energy efficient, semi-hermetic, star-delta limited start-up, screw compressor with thermal protection and oil pan heater, refrigerant gas inlet and supply pipe shut-off valve and compressor oil level sensor.
• Electronic expansion valve: Standard for all models.
• Water Side Exchangers: Shell and tube evaporator with closed cell, polyurethane foam insulation and dry expansion with counter current heat exchanger with water flow differential pressure switch and Victaulic connections.
- Air Side Heat Exchangers: Copper tube and aluminum tinned finned coil
• Control: Microprocessor electronic control
• Structure: Painted with polyester powders and made of galvanized steel sheet.

STANDARD FEATURES

- Refrigerant circuit high/low pressure display,
- Clock dashboard with date/time display and machine timeband management feature.
- An antifreeze heater has been added for the heat exchanger.

VERSIONS

B-Standard version (TXAVBZ).
S-Silent version with soundproof compressor cover (TXAVSZ).

FACTORY ASSEMBLED ACCESSORIES

- Power factor correction capacitors (cosφ > 0.94).
- Compressor and fan thermal overload switches.
- Mandatory power usage limit.
- Digital input for dual setpoint.
- Protective coil grids.
- Protective grilles for the lower compartment.
- Low or high pressure gauges for each refrigerant circuit.
- Control of min./max. power support voltage.
- 4-20mA analog input for variable setpoint.
- Copper/pre-painted aluminum or copper/copper coils.
- Interfaces for serial communication with other devices.
- Spring-loaded anti-vibration supports.

Arcelik EXP_Polyavent Download