AQUACIATTMLD ILD Water chillers Heat pump d esCRiptionoFthemainComponents ■ Compressors ■ Connect Touch control module - Hermetic SCROLL type - User interface with - Electronic motor overheating protection 4.3-inch touch screen - Crankcase heater - Intuitive, user-friendly - Mounted on anti-vibration mounts navigation using icons - - Clear text display of ■ Water type heat exchanger information available in - Brazed-plate exchanger 6 languages (F-GB-D-E-I- - Condenser or evaporator mode exchanger on the reversible NL) heat pump version - Plate patterns optimised for high efficiency - 19-mm armaflex thermal insulation - Frost protection with heater The electronic control module performs the following main functions: ■ Air-cooled exchanger Regulation of the water temperature (at the return or at the outlet) - - Air-cooled exchanger: Regulation of the water temperature based on the outdoor - • all-aluminium micro-channel coil, cooling only version temperature (water law) • copper tube coil with aluminium fins, reversible heat pump Regulation for low temperature energy storage - version Second setpoint management - - Condenser or evaporator mode exchanger on the reversible Complete management of compressors with start-up - heat pump version sequence, timer and operating time balancing - propeller fans with composite blades offering an optimised Self-regulating and proactive functions with adjustment of - profile, fixed speed as standard or variable speed as an the control to counter parameter drift option Optimised defrosting with free defrost function to optimise - - motors – IP 54, class F performance at partial load and the SCOP - In-series staged power control system on the compressors ■ Refrigerant accessories according to the thermal requirements - Dehumidifier filters Management of compressor short cycle protection - - Hygroscopic sight glasses Frost protection (exchanger heaters) - - Electronic expansion valves Phase reversal protection - - Service valves on the liquid line Management of occupied/unoccupied modes (according to - - 4-way cycle inversion valves in cooling/heating mode on the the time schedule) reversible heat pump version Compressor and pump runtime balancing - ■ Regulation and safety instruments - Management of the machine operation limit according to outdoor temperature - High and low pressure sensors Sound level reduction device (night mode according to the - - Relief valves on the refrigerant circuit user programme) with limitation of compressor capacity and - Water temperature control sensors fan speed - Evaporator antifreeze protection sensor Diagnostics of fault and operating statuses - - Factory-fitted evaporator water flow controller Management of a fault memory allowing a log of the last 50 - ■ Electrical cabinet incidents to be accessed, with operating readings taken Electrical cabinet with IP 44 protection rating when the fault occurs - A connection point without neutral - Blackbox memory - Front-mounted main safety switch with handle - Master/slave management of the two machines in parallel - Control circuit transformer with operating time balancing and automatic changeover if - 24 V control circuit a fault occurs on one machine - Fan and compressor motor circuit breaker - Weekly and hourly time schedule for the machine, including - Fan and compressor motor contactors 16 periods of absence - Pump standby based on demand (energy saving) - Connect Touch microprocessor-controlled electronic control - module - Calculation of the water flow rate and operating pressure Wire numbering (hydraulic module version) - Electronic adjustment of the water pump speed and water - Marking of the main electrical components - flow rate (variable-speed pump option) ■ Casing - Display of all machine parameters (3 access levels, User/ Frame made from RAL7035 light grey & RAL 7024 graphite Maintenance/Factory, password-protected): temperature, grey painted panels. setpoints, pressures, water flow rate (hydraulic version), runtime. - Display of trend curves for the main values - Storage of maintenance manual, wiring diagram and spare parts list. CATALOGUE 2021 357 357