Belimo EXT-RCF-24 Manuals

O56001 03/12 - Subject to change. © Belimo Aircontrols (USA), Inc. 800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA / CARIBBEAN Application EXT-RC series of proportional and fl oating thermostats are used to control room temperature in commercial applications. Features • LCD with green backlight • Detects and displays room temperature • On/Off capability of cooling and heating equipment • Room temperature setting • Fahrenheit (°F) or Celsius (°C) display • Selectable single or three speed fan control • Remote sensor input Technical Data Power AC 24V +10%, 50Hz/60Hz Output signal EXT-RCP-24 AC 24V x 2 (0.5A resistive) 0-10 VDC (5 mA) / 4-20 mA (600Ω) Output signal EXT-RCF-24 AC 24V x 2 (0.5A resistive) fl oating point control Input signal dry contact (NO) Dimensions 3.4” w x 3.4” h x 0.9” d [86mm x 86mm x 23mm] Fixing screw width 60mm (standard) Set temperature range 0° to 99.5° adjustable Accuracy displayed 0.1° Accuracy +0.5° Rated power < 1W Sensor type NTC Display LCD Basic Features Working modes Cooling , Heating , Ventilating , Auto Fan speed 3 speed ( Low , Medium , High ) / Auto Operation Instructions On/Off Press button. Setpoint Press to reduce the setpoint, press to increase the setpoint in 0.5°C increments. The setpoint will be confi rmed automatically after 5 seconds and then will return to display status. Press or to check setpoint. Mode Press to change the working mode- Cooling , Heating , Vent . Fan speed Press to select the desired speed- low , medium , high , or auto . If single speed fan is chosen, only medium speed will be available. Auto speed The fan speed will be changed automatically to the following: Low speed- when room temperature is 1° difference with setpoint. Med. speed- when room temperature is 2° difference with setpoint. High speed- when room temperature is 3° difference with setpoint. Sleep Thermostat will go into sleep function after programming. To set: Press button for 3 seconds until display shows. A countdown will start in the center of the screen. Use or to adjust the desired sleep time. The maximum setting is 48 hours. Thermostat will return to working status after 5 seconds. will fl ash to start countdown. The setpoint will be replaced by the sleep setpoint. To quit: When the thermostat is in sleep function, will fl ash. Press or to quit. Keypad lock Press and for 10 seconds. This will activate the display. under this function, the keypad is locked. To unlock, press and for 10 seconds until disappears. Set parameters With thermostat off, press for 10 seconds to enter the menu to set all parameters. Dimensions (mm) LCD Electronic Thermostat EXT-RCF-24, EXT-RCP-24 1