AQUACIATCALEO TM TD Heat pump DesCRiptionofthemainComponents ■ 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 ■ Water type heat exchanger - Clear text display of - Brazed-plate exchanger information available in - Plate patterns optimised for high efficiency 6 languages (F-GB-D-E-I- - 19 mm armaflex thermal insulation NL) - Frost protection with heater The electronic control module ■ Air-cooled exchanger performs the following main functions: - Coilmade of grooved copper tubes with high-performance - Regulation of the water temperature (at the return or at the aluminium fins outlet) - propeller fans with composite blades offering an optimised - Regulation of the water temperature based on the outdoor profile temperature (water law) - motors – IP 54, class F - Regulation for low temperature energy storage ■ Refrigerant accessories - Second setpoint management - Dehumidifier filters - Complete management of compressors with start-up - Hygroscopic sight glasses sequence, timer and operating time balancing - Electronic expansion valves - Self-regulating and proactive functions with adjustment of - Service valves on the liquid line the control to counter parameter drift - Four-way reverse cycle valve for defrosting - Optimised defrosting with free defrost function to optimise ■ Regulation and safety instruments performance at partial load and the SCOP - In-series staged power control system on the compressors - Low and high pressure sensors according to the thermal requirements - Safety valves on refrigerating circuit - Management of compressor short cycle protection - Water temperature control sensors - Frost protection (exchanger heaters) - Evaporator antifreeze protection sensor - Phase reversal protection - Factory-fitted evaporator water flow rate controller - Management of occupied/unoccupied modes (according to ■ Electrical cabinet the time schedule) - Electrical cabinet with IP 44 protection rating - Compressor and pump runtime balancing - A connection point without neutral - Management of the machine operation limit according to - Front-mounted main safety switch with handle outdoor temperature - Control circuit transformer - Sound level reduction device (night mode according to the - 24V control circuit user programme) with limitation of compressor capacity and - Fan and compressor motor circuit breaker fan speed - Fan and compressor motor contactors - Diagnostics of fault and operating statuses - Connect Touch microprocessor-controlled electronic control - Management of a fault memory allowing a log of the last module 50 incidents to be accessed, with operating readings taken - Wire numbering when the fault occurs - Marking of the main electrical components - Blackbox memory ■ Frame - Master/slave management of the two machines in parallel with operating time balancing and automatic changeover if - Frame made from RAL7035 light grey & RAL 7024 graphite a fault occurs on one machine grey painted panels. - Weekly and hourly time schedule for the machine, including 16 periods of absence - Pump standby based on demand (energy saving) - Calculation of the water flow rate and operating pressure (hydraulic module version) - Electronic adjustment of the water pump speed and water flow rate (variable-speed pump option) - Display of all machine parameters (3 access levels, User/ Maintenance/Factory, password-protected): temperature, 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 373 373