Neptronic HRO20 Manuals

Humidity Controller Specification and Installation Instructions HRO20-141202-ETL Page | 1 Model HRO20 Description The Humidity Controller is a combination controller and humidistat. The Humidity Controller is an advanced application to control relative humidity for general purpose applications. They are specially designed to control humidifiers and dehumidification equipment. Features Outputs & Inputs • 4 analog outputs (0-10 Vdc or 2-10 Vdc) • 2 dry contact outputs • External humidity sensor input • Window or external temperature sensor input • Alarm status input Operation & Display • Wall mounted controller • Adjustable setpoint with auto reset from external sensor • Multi level lockable access menu • Lockable setpoint and control mode • Backlit LCD with simple icon and text driven menus • Selectable Celsius or Fahrenheit scale • Humidification and dehumidification indicator HRO20 Technical Specifications Description HRO20 Outputs - Actual humidity (0-100% RH), 0-10 Vdc/2-10 Vdc - Humidity setpoint (0-100% RH), 0-10 Vdc/2-10 Vdc - Humidification proportional control signal, 0-10 Vdc/2-10 Vdc - Dehumidification proportional control signal, 0-10 Vdc/2-10 Vdc - Humidification dry contracts 24 Vac, 1 A max, 3 A in-rush - Dehumidification dry contracts 24 Vac, 1 A max, 3 A in-rush Inputs - Window temperature sensor or outside temperature sensor (10 K Ω) - External setpoint from Neptronic humidifier, external humidity sensor (0-10 Vdc/2-10 Vdc) or high limit (0-10 Vdc/2-10 Vdc) - 1 alarm status digital input (24 Vac or dry contact) Power supply 22 to 26 Vac 50/60 Hz or 28 to 32 Vdc Power consumption 1 VA Setpoint range 10%-90% RH (in 1% increments) Sensor precision ± 3% or better at 40% RH and 23ºC [73ºF] Proportional band 2%-10% for control signal Electrical connection 0.8 mm2 [18 AWG] minimum Operating condition 0ºC to 40ºC [32ºF to 104ºF], 0-95% RH Storage condition -10ºC to 50ºC [14ºF to 122ºF], 0-95% RH Temperature compensation reset Automatic readjustment of setpoint from a window temperature sensor (SHW0-11), or external temperature sensor (STC8-11) Housing degree of protection IP 30 (EN 60529) Weight 130 g. [0.3 lb]

Room Humidistat Specification & Installation Instructions HRO20/100921 1 Technical Data HRO20 Outputs Actual humidity (0-100%RH), 0-10 Vdc / 2-10 Vdc Humidity set point (0-100%RH), 0-10 Vdc / 2-10 Vdc Humidification proportional control signal, 0-10 Vdc / 2-10 Vdc Dehumidification proportional control signal, 0-10 Vdc / 2-10 Vdc Humidification dry contracts 24 Vac, 1 A max, 3 A in-rush Dehumidification dry contracts 24 Vac, 1 A max, 3 A in-rush Inputs Window temperature sensor or outside temperature sensor (10 KΩ) External set point from Neptronic humidifier, external humidity sensor (0-10 Vdc / 2-10 Vdc) or high limit (0-10 Vdc / 2-10 Vdc) 1 alarm status digital input (24 Vac or dry contact) Power supply 22 to 26 Vac 50/60 Hz or 28 to 32 Vdc Power consumption 1 VA Set point range 10 - 90%RH (in 1% increments) Sensor precision ± 3% or better at 40%RH and 23ºC [73ºF] Proportional band 2 % - 10 % for control signal Electrical connection 0.8 mm2 [18 AWG] minimum Operating condition 0ºC to 40ºC [32ºF to 104ºF], 0-95%RH Storage condition -10ºC to 50ºC [14ºF to 122ºF], 0-95%RH temperature compensation reset feature Automatic readjustment of set point from a window temperature sensor (SHW0-11) or external temperature sensor (STC8-11) Housing degree of protection IP 30 (EN 60529) Weight 130 g. [0.3 lb] Interface C F %RH MO TU WE TH FR SA SU AM PM .. .. Symbols on display Humidification ON 33,66,100% output Cor F ºC: Celsius scale ºF: Fahrenheit scale Alarm status Dehumidification ON 33,66,100% output Menu set-up Lock %RH Percentage of humidity Programming mode (Technician setting) Dimensions Dimension Imperial (in) Metric (mm) A 2.85 73 B 4.85 123 C 1.00 24 D 2.36 60 E 3.27 83 Features: • Attractive modern look with large LCD and backlight • Icons driven information and 1 line of text • External humidity sensor input • Humidification and dehumidification indicator • Multi level lockable access menu • Lockable Set point / Control mode • Window/outside temperature sensor input • Celsius or Fahrenheit scale selectable HRO20 A B C D E