EXPsystems – Polyvalent ecological water-cooled system. Range with scroll hermetic compressors and R410A refrigerant gas.

Construction features

• Compressor: scroll type, rotary, hermetic complete with thermal protection and casing heater.
• Primary side (user), secondary side (recovery) heat exchangers and disposal unit: crossed flow stainless steel plate exchangers, complete with antifreeze heater, closed cell polyurethane foam rubber insulation and water flow differential pressure switch.
• Control: microprocessor electronic control with Adaptive Function Plus logic.
• Structure: made of galvanised and painted steel plate with polyester powder coating.
• The unit is also complete with:
– compressor circuit breaker switches,
– electronic expansion valve,
– display of cooling circuit high and low pressure,
– clock board,
– outdoor temperature probe for set-point compensation,
– 0-10V analogue signal for condensing/evaporating control performed by external device;
– control of Variable Primary Flow (VPF_R).

Versions

• B – Standard version.

Models

• TXHEBY: EXPsystems unit.

Factory fitted accessories

• Cooling circuit high and low pressure gauges.
• Forced limit of power consumption.
• Soft starter.
• Silenced set up.
• Digital input for double set-point.
• 4-20 mA analogue signal for shifting set-point.
• Interfaces for serial communication with other devices.
• Anti-vibration mounts.

Separately supplied accessories

• 3-way modulating condensing control valve.
• 2-way modulating condensing control valve.
• Water filter.
• Remote keypad with display.
• Thermostat with display.
• Serial converter (RS485/USB).
• RHOSS supervisors for unit monitoring and remote management.
• Rhoss sequencer for integrated management of multiple chillers.