AHI Carrier Catalog | Page 657

HYDRONIC DUCTED FAN COIL UNITSā€ƒ 42NL & 42NH Control (Option) The unit can be supplied with a wide range of Carrier controls. These offer functions to suit the various application requirements, summarised in the table below. Thermostats WTC x x x x x x x x x x x x x x x x x x x x x x x Type A&C Type B&D x x x x x x x x x x x x x x x x x x x x x x x x x x x x x o o x x x x x x x x x x x o o o o x x x x x x o o o x x o o o o o o x Type A&B x Type C&D x x AIR TREATMENT x o o o CONTROLS Communication Protocols Carrier Communication Network (CCN) Aquasmart compatible BACnet MSTP LON Control algorithms On-off Proportional-integral Carrier Energy saving algorithm Fan control AC motors 3 speeds descreet Automatic optimum fan speed selection EC motors 3 speeds descreet EC motors Variable speed Water Valve management Air flow control only (no water valve) 230V On-off actuators 230V Modulating actuators (floating 3pts) Main functions Setpoint control Occupied/unoccupied mode Frost protection mode Window / Door contact input Measurement of water inlet temperature for automatic seasonal changeover (2 pipes) Measurement of water inlet temperature to prevent cold-draft (4 pipes and 2 pipes + electric heater) Manual changeover Frost protection mode Continuous ventilation within dead-band Periodical ventilation within dead-band On-site configuration Unit grouping Master/Slave Cassette Louvers control Supply air temperature monitoring limiting Electrical heater loadshed Dirty filter alarm Alarm reporting Indoor Air Quality control (CO2 sensor) Demand control ventilation (DCV) (0-10V fresh air valve) Free cooling mode Presence detection User interfaces Automatic or manual fan speed control Setpoint adjustment Occupancy (eco) button Digital display Remote control (infra-red) CO2 sensor Luminosity sensor Motion detection Easy connection RJ45 jack (on wall mounted UI) Light & Blinds management Light power modules Blinds power modules Control kit On site control kit solution NTC Legend X Feature available as standard O Optional NOTE: For the features and specifications of the Carrier controllers refer to the technical documentation for each controller. Upon special request other controller types can be factory- installed on the units (supplied by Carrier or the customer). C A R R I E R 2 0 1 6 / 2 0 1 7 657