Compact air-to-air packaged units
AVANT electronic control (models 80 to 160) / AVANT+ electronic control (models 180 to 320) This electronic module with microprocessor, comprising a control board and a TCO user terminal, provides the following functions: Selection of the operating mode: COOLING, HEATING, AUTOMATIC, VENTILATION and DEHUMIDIFICATION. Modification of the setpoint. Continuous monitoring of operating parameters. Display of values measured by the sensors. Compressor time delays. Defrost management (on heat pump units). Control of the supply air temperature. Control of the compressor discharge temperature via a sensor. Setpoint compensation based on the outdoor temperature. Hourly and weekly time schedule. Diagnostic of faults and general alarms. Number of starts and runtime counters for the unit components. Casing made of galvanised steel metal with polyester paint .
Belt-driven centrifugal fan(s) Protection with fan outlet grille(s). Condensate drain pan. Coil comprising copper tubing and aluminium blades.
Belt-driven centrifugal fan. Reusable air filter. Condensate drain pan. Coil comprising copper tubing and aluminium blades.
Scroll compressor(s) fitted on anti-vibration mounts. Heat protection. Thermostatic expansion valve with external pressure balancing. Acid-resistant dehumidifier filter. Four-way valve for reverse cycle (IN and INE series). Crankcase heater.
Humidity control. Free cooling heat management. Thermo-enthalpic and enthalpic free cooling management (with AVANT+ version only). Control of the minimum opening of the outdoor air damper. Control of auxiliary electrical heaters. Proportional control of an auxiliary hot water coil. Detection of fouled filters. Connection to a centralised management system (CMS) for supervision. This control can integrate a pGD1 terminal for maintenance as an option, which facilitates initial programming of the unit, modification of operating parameters and a description of alarms which are produced.
High and low pressure switches. Main door switch. Automatic control circuit switch. Thermal-magnetic protection for the compressor and fan motor power supply line. Heat protection for the fans. Control of the compressor discharge temperature.
Complete electrical cabinet, fully wired. Main earth connection. Compressor and fan motor switches.
Copper tube and copper f ns coil, or aluminum polyurethanecoated fins. Condensation pressure control with damper.
Differential pressostat for the detection of clogged filters. Differential pressostat for control of air flow. Smoke detecting station. Air quality probe for installation in the environment to enable measuring CO2 and/or volatile compounds.
Confort / heating
Electrical heaters support. With this option, the air flow controller is included. Hot water support coil. With this optional the thermostat anti-frost is obligatory as safety system, in case of exterior assembly or with free-cooling, if the unit works with low outdoor temperatures.
Switchable supply and return position of the indoor circuit. Asemblies with mixing box and free-cooling (see enclosed diagram). Antivibration mounts made of rubber.
Compressor acoustic isolation.
Control / communication
Change to AVANT+ version (models 80 to 160). Options of the AVANT & AVANT+ control.
HEAT PUMPS - AIR CONDITIONING - REFRIGERATION - AIR HANDLING - HEAT EXCHANGE - NA 17.01 A