AHI Carrier Catalog | Page 801

SPLIT-SYSTEM UNITS  38NZ/NF & 40NZ/NF Electronic controls CARRIERrtc basic & medium electronic control (standard) -- CARRIERrtc basic : -- CARRIERrtc medium : models 90 to 182 models 200 to 360 Note: Optionally, the models 90 to 182 can incorporate the CARRIERrtc medium version. CARRIERrtc basic & medium control is an electronic module with microprocessor comprised of a control board and a TCO user terminal that ensures the following functions: -- Selection of the operating mode: • HEATING • COOLING • AUTO • DEHUMIDIFICATION • FAN (no icon). Modification of the setpoint. Permanent control of the operating parameters. View of the values measured by the sensors. View of the alarms produced by means of codes. Timing of the compressors. Control of the compressor discharge temperature by probe. -- Control of the ambient temperature thanks to the probe incorporated into TCO terminal. This probe can be replaced by an return or ambient probe that would be installed in the control board. -- Control of the outlet temperature to improve thermal comfort level of the installation. • In cooling mode this control prevents excessively significant drops in the ambient temperature. • In heating mode, it prevent the stratification of the hot air masses. Defrosting management (in heat pump units). Possibility of intelligent defrosting that reduces energy consumption of the heat pump, by adjusting the time between defrosting operations to the actual needs of the unit. Compensation of the setpoint based on the outdoor temperature. This function prevents thermal “shock” between the inside and outside of the premises whilst at the same time provides significant energy savings Time schedule that reduces energy consumption, adjusting the needs of air conditioning of the building throughout the day. TCO terminal has a schedule programmer with an intuitive graphic interface that allows 6 time slots to be chosen for each day of the week. A change in the setpoint temperature or the disconnection of the unit can be scheduled in these time slots (according to the building occupancy). ■■ Optional functions: -- Control of the auxiliary electrical heaters. -- Proportional control of a hot water auxiliary coil. -- Humidity control. -- Anti-fire safety. -- Operation during all seasons via the condensation and evaporation pressure control. -- Detection of clogged filters and air flow control. -- Connection to a centralised technical management system (BMS) for supervision (please see “Optional” chapter). Optionally, this control can have a terminal for pGD1 maintenance that facilitates the initial scheduling of the unit, the modification of the operating parameters and the description of the alarms produced. CONTROLS ------- -- The following features improve the energy management of the installation: AIR TREATMENT Available in two versions: C A R R I E R 2 0 1 6 / 2 0 1 7 801