ARO Series. Description. Features. Modbus CO2 VOC. Networkable* ARO AROB24TGVH AROB24TGH. room controller. (AROB series only) or network

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1 ARO Series Universal Room Controller s Models ARO24T ARO24TH ARO24TGH ARO24TGVH Temp RH CO2 VOC Networkable* AROB24T AROB24TH AROB24TGH AROB24TGVH * Networkable: BACnet MS/TP or Modbus (selectable using menu) Description IAQ and ECM fan control applications made easy! Introducing the new ARO series universal room controller with onboard CO 2, VOC, temperature and humidity sensors, selectable application control profiles, up to 4 simultaneous control loops, and seamless control of a 0-10 Vdc ECM fan. All of this in one wall-mounted room controller. The AROB series networkable controller operates over an RS 485 network using the BACnet MS/TP or Modbus protocol to exchange information with a Building Management System. Features Onboard Sensors Temperature sensor ( C/ F) Humidity sensor (%RH), select models VOC sensor (volatile organic compounds) select models Carbon dioxide sensor (CO 2 ), select models Functions Built-in application profiles to automatically configure the controller for the selected application. Up to 4 simultaneous control loops capable of controlling, in real time: o Humidification and Dehumidification o Heating and Cooling o CO 2 levels o VOC levels o Integrated ECM fan control mode Display or hide all the required access for user interaction Four fully configurable outputs (2 AO and 2 BO) Two universal inputs (2 UI) Backlit LCD with simple icon and text-driven menus Selectable Fahrenheit or Celsius scale Precise temperature control with programmable PI functionn Independent cool and heat setpoint for No Occupancy Configurable proportional control band and dead band Network Communication (AROB series only) BACnet MS/TP or Modbus communication port (selectable using menu) Select MAC address using menu or network Automatic baud rate detection BACnet MS/ /TP at 9600, 19200, 38400, or bps Automatic device instance configuration Copy and broadcast configuration to other controllers Network service port through on-board mini USB connector Modbus ARO Series Modbus at 9600, 19200, or bps RTUU Slave, 8 bits (configurable parity and stop bits) Connects to any Modbus master ARO Series_Installation docx Page 1

2 ARO Series Universal Room Controller s Technical Specifications Description ARO Series Temperature Sensor Setpoint range 10ºC to 40ºC [50ºF to 104ºF] Control accuracy Temperature: ±0.4ºC [0.8ºF] Display resolution ± [0.2ºF] Humidity Sensor (select models) Setpoint range 10 to 65%RH Control accuracy ±3.5% RH Display resolution 0.1% CO2 Sensor (select models) Operating principle Self-calibrating, Non-Dispersive Infrared (NDIR) Sensor range 400 to 2000 ppm Accuracy ±30 ppm ±3% of reading (Accuracy is defined after minimum 3 weeks of continuous operation) Response time 2 minutes by 90% VOC Sensor (select models) Operating principle Self-calibrating, Non-Dispersive Infrared (NDIR) Sensor range ppb isobutylene equivalent tvocs Response time < 5 seconds for tvoc Start up time 15 minutes Other Inputs 2 Universal analog inputs: 0-10Vdc, Thermistorr (10k Type 3), or digital input (dry contact) Outputs 2 Binary outputs (BO1 and BO2), dry contracts 24Vac, 1A max 3A in-rush 2 Analog outputs (cooling and heating 0 to 10Vdc BACnet BACnet 9600, 19200, 38400, or bpss (B-ASC) Modbus RTU 9600, 19200, or Selectable parity and stop bit configuration: Modbus No parity, 2 stop bit Even parity, 1 stop bit Odd parity, 1 stop bit Communication 24 AWG twisted-shield cable (Belden 9841 or equivalent) Connections Electrical connectionn 0.8 mm2 [18 AWG] minimum Operating temperature 0ºC to 50ºC [32ºF to 122ºF] Storage temperaturee -30º ºC to 50ºC [-22ºF to 122ºF] Relative humidity 5 to 95 % non-condensing Enclosure protection IP 30 (EN 60529) Weight 120 g. [0.25 lb] Dimensions A = mm B = mm C = mm D = mm E = mm B E D ºF / º C Certifications A C Conforms to UL STD 873 Certified to CSA STD C22.2 No Page 2

3 Wiring We strongly recommend to wire all controllers to a separate grounded transformer, and that transformer shall service only these products. This precaution prevents interference with and possible damage to incompatible equipment. VOC sensor (select models) CO 2 sensor (select models) BO signal selector jumpers (JP1 and JP2) Mode selector jumper (JP3) End of Line jumper (JP5) A B C JP3 PGM RUN Avoid touching the VOC and CO2 sensors as this may cause incorrect readings JP1 A B C JP2 A B C TB Terminal Description Details 1 COM 2 24Vac / 24Vdc 3 COM for BO1 (ext 24V) If JP2 is set to A+B 4 Binary Output 1 (BO1) 5 COM for BO2 (ext 24V) If JP1 is set to A+B 6 Binary Output 2 (BO2) 7 COM 8 Analog Input (AI1) 9 COM 10 Binary Input 1 (BI1) 11 Analog Output 1 (AO1) 12 COM 13 Analog Output 2 (AO2) 14 BACnet/Modbus A+ 15 BACnet/Modbus B- Temperature and Humidity sensors JP5 A B C EOL Jumpers Jumpers Description A&B = External: BO2 uses external 24 Vac at pin 3 (different than thermostat) JP1 BO2 Signal Selection B&C = Internal: BO2 uses internal 24 Vac (same as thermostat) A&B = External: BO1 uses external 24 Vac at pin 3 (different than thermostat) JP2 BO1 Signal Selection B&C = Internal: BO1 uses internal 24 Vac (same as thermostat) JP3 Mode Selection PGM RUN A&B = RUN: Standard operation mode PGM RUN B&C = PGM: Programming/configuration mode A&B: No EOL (end of line) JP5 End of Line B&C: 120 Ohm end of line (on the last ARO of the RS-485 communication bus) Page 3

4 Mounting Instructions CAUTION: Remove power to avoid a risk of malfunction. A. Remove the captive screw that is holding the base and the front cover of the unit together. B. Lift the front cover of the unit to separate it from the base. C. Pull all wires through the holes in the base. D. Secure the base to the wall using wall anchors and screws (supplied). Make the appropriate connections. E. Mount the control module on the base and secure using the screw. A B C D E Programming Mode Set the Mode Selector Jumper JP3 to the PGM mode (Programming Mode). For more information, see "Wiring. To exit, set the Jumper JP3 back to the RUN mode (Operation Mode). All changes are saved. Indicates the Programming Mode Setting description (For example,"app PROFIL") Setting value Advance to next setting Change value Return to previous setting Page 4

5 Symbols used in this Manual Icon Description Icon Description Icon Description Icon Description Temperature Heating Cooling Humidification Dehumidification Fan CO2 VOC Analog Output 1 Analog Output 2 Binary Output 1 Binary Output 2 Analog Input 1 Binary Input 1 Communication Time Occupancy Night Set Back Application Profiles 1. "APP PROFILE" 0 to 2 1 Built-in application profiles automatically configure the controller for the selected application. 0 = No profile; manual configuration (For advanced users) 1 = Outside Air Applications (Temperature only) See APP PROFILE 1 on page 25 2 = Conference room application (Temperature, Humidity, and CO 2 ) See APP PROFILE 2: on page 26. Currently there are two profiles and more will be made available. Temperature Setpoint and User Control 2. "Intrn temp offset" Offset: 0ºC to 50ºC Max. ± 5ºC [32ºF to 122ºF] [± 41ºF] Compare the displayed temperature reading with a known value from a thermometer or other temperature sensing device. To offset or calibrate the sensor, use the arrow buttons to set the desired temperature reading. This setpoint is useful for controllers installed in areas where the temperature read is slightly different than the room s actual temperature. 3. " cool setpnt min " 10ºC 0ºC to 125ºC [50 ºF] [32ºF to 257ºF] 4. In the Operation mode, you cannot decrease the setpoint to less than the value set as the minimum cooling setpoint. The minimum value is restricted by the maximum value set at Step 3, " cool setpnt max ". In other words, the value that is set as the minimum cannot be greater than the maximum value. The cooling symbol is also displayed. Page 5

6 5. " cool setpnt max " 40ºC 0ºC to 125ºC [104ºF] [32ºF to 257ºF] ARO Series Universal Room Controller In the Operation mode, you cannot increase the setpoint to more than the value set as the maximum cooling setpoint. The maximum value is restricted by the minimum value set at Step 2, "Min Cool Setpnt". In other words, the value that is set as the maximum cannot be less than the minimum value. 6. " cool setpnt" 22ºC 10ºC to 40ºC [71.6ºF] [50ºF to 104ºF] Set the cooling setpoint that will be used in the Operation mode. This cooling setpoint value is restricted by the heating setpoint values defined at Step 7, "HEAT setpnt". The cooling 7. " HEAT setpnt MIN " 10ºC 0ºC to 40ºC [50ºF] [32ºF to 104ºF] In the Operation mode, you cannot decrease the setpoint to less than the value set as the minimum heating setpoint. The minimum value is restricted by the maximum value set at Step 6, "HEAT setpnt". In other words, the value that is set as the minimum cannot be greater than the maximum value. 8. " HEAT setpnt MAX " 40ºC 40ºC to 125ºC [104ºF] [104ºF to 257ºF] In the Operation mode, you cannot increase the setpoint to more than the value set as the maximum heating setpoint. The maximum value is restricted by the minimum heating value set at Step 5 "HEAT setpnt" and Step 7 "HEAT setpnt". In other words, the value that is set as the maximum cannot be less than the minimum value. 9. " HEAT setpnt" 20ºC 0ºC to 125ºC [68ºF] [32ºF to 257ºF] Set the cooling setpoint that will be used in the Operation mode. This cooling setpoint value is restricted by the heating setpoint values defined at Step 4, "cool setpnt". The heating 10. Temp Mode Auto (Automatic), CooL (Cooling Only),, HEAt (Heating Only), Select the control mode that you want to authorize to the user. To authorize all the available modes, select Auto (Automatic Mode). The cooling and heating symbols are also displayed. The selection made at this step determines the options available on the Operation mode. Page 6

7 Humidity Setpoints and User Control ARO Series Universal Room Controller The humidity and dehumidification configuration setpoints require a functioning humidity sensor installed. These setpoints appear only on the models with the humidity sensor. For more information on supported models, see 'Error! Reference source not found.on page " Humdty Offset" Offset: 40% ±5% 10% to 90% RH 0.1% RH The display shows the relative humidity percentage read by the humidity sensor. Adjust the offset by comparing it with a known value humidistat. If the sensor is not connected or short-circuited, unit displays the sensor's limits. 12. "Dehum setpnt Min " 10.0% RH 0 to 80.0% RH 0.1% RH In the Operation mode, you cannot decrease the setpoint to less than the value set as the minimum dehumidify setpoint. The dehumidification 13. "Dehum setpnt Max " 80.0% RH 10.0 to 100.0% RH 0.1% RH In the Operation mode, you cannot increase the setpoint to more than the value set as the maximum dehumidification setpoint. The maximum value is restricted by the minimum value set at Step 12, "Dehum setpnt". In other words, the value that is set as the maximum cannot be less than the minimum value. The dehumidification 14. "Dehum setpnt" 60.0% RH 0 to 100.0% RH 0.1% RH Select the desired dehumidification setpoint of the zone in occupied operation mode. The setpoint value is restricted by the minimum at Step 10, "Dehum setpnt" and maximum at Step 11, "Dehum setpnt" values. The dehumidification symbol is also displayed. 15. "Hum setpnt Min " 10.0% RH 0.0 to 100.0% RH 0.1% RH In the Operation mode, you cannot decrease the setpoint to less than the value set as the minimum humidity setpoint. The minimum value is restricted by the maximum value set at Step 14, "Hum setpnt". In other words, the value that is set as the minimum cannot be greater than the maximum value. The humidity 16. "Hum setpnt Max " 80.0% RH 0.0 to 100.0% RH 0.1% RH In the Operation mode, you cannot increase the setpoint to more than the value set as the maximum humidity setpoint. The maximum value is restricted by the minimum value set at Step 13, "Hum setpnt". In other words, the value that is set as the maximum cannot be less than the minimum value. The humidity Page 7

8 17. "Hum setpnt" 40.0% RH 0.0 to 100.0% RH 0.1% RH Set the desired humidity setpoint. The setpoint value is restricted by the minimum at Step 13, "Hum setpnt" and at Step 14, "Hum setpnt" values. The humidity 18. "Humdty Mode", hun, Auto, and dhun Select the humidity mode that you want to authorize to the user. To authorize all the available modes, select Auto (Automatic Mode). The selection made at this step determines the options available on the Operation mode. The controller can be set in Humidification or Dehumidification mode or both. When both are used, the controller will request a humidity demand until the humidity setpoint is reached. If the humidity level increases to the dehumidify setpoint (should be higher than humidity setpoint), the controller will request a dehumidify demand, which usually activates air conditioning. The humidity CO2 Setpoints and Modes The CO2 configuration setpoints require a functioning humidity sensor installed. These setpoints appear only on the models with the CO2 sensor. For more information on supported models, see 'Error! Reference source not found.on page "CO2 Offset" Offset: 600 ppm ± 250 ppm 1.0 ppm Compare the displayed CO2 level reading with a known value from a CO2 sensing device. To offset or calibrate the sensor, use the arrow buttons to set the desired CO2 level reading. This is useful for controllers installed in areas where the CO2 level is slightly different than the prescribed value. The alarm icon appears in case of a sensor malfunction. 20. "CO2 Setpnt Min " ppm 0 to ppm 1.0 ppm In the Operation mode, you cannot decrease the setpoint to less than the value set as the minimum CO2 setpoint. The minimum value is restricted by the maximum value set at Step 19, "CO2 Setpnt". In other words, the value that is set as the minimum cannot be greater than the maximum value. The CO2 21. "CO2 Setpnt Max " 1500 ppm 0 to 2000 ppm 1.0 ppm In the Operation mode, you cannot increase the setpoint to more than the value set as the maximum CO2 setpoint. The maximum value is restricted by the minimum value set at Step 18, "CO2 Setpnt". In other words, the value that is set as the maximum cannot be less than the minimum value. The CO2 22. "CO2 Setpnt" ppm 400 to ppm 1.0 ppm Set the desired limit of the CO 2 concentration. The setpoint value is restricted by the maximum range at Step 19, "CO2 Setpnt". The CO2 Page 8

9 23. "CO2 Mode" ON ON and Select the desired CO2 sensor operation mode from the options: ON or to enable or disable the CO2 mode. When the CO2 mode is disabled and even if the CO2 is assigned to an analog or binary output, the CO2 value will not be calculated. The CO2 VOC Setpoints and Modes The VOC configuration setpoints require a functioning humidity sensor installed. These setpoints appear only on the models with the VOC sensor. For more information on supported models, see 'Error! Reference source not found.on page "VOC Offset" to ppb 1.0 ppb Compare the displayed VOC level reading with a known value from a VOC sensing device. To offset or calibrate the VOC sensor, use the arrow buttons to set the accurate VOC level reading. This is useful for controllers installed in areas where the VOC concentration is slightly different than the prescribed value. The alarm icon appears in case of a sensor malfunction. 25. "VOC Setpnt Min " 0 ppb 0 to 1000 ppb 1.0 ppb In the Operation mode, you cannot decrease the VOC setpoint to less than the value set as the minimum user point. The minimum value is restricted by the maximum value set at Step 24, VOC Setpnt. In other words, the value that is set as the minimum cannot be greater than the maximum value. The VOC 26. "VOC Setpnt Max " 1000 ppb 0 to 1000 ppb 1.0 ppb In the Operation mode, you cannot increase the setpoint to more than the value set as the maximum VOC setpoint. The maximum value is restricted by the minimum value set at Step 23, "VOC Setpnt". In other words, the value that is set as the maximum cannot be less than the minimum value. The VOC 27. "VOC Setpnt" 800 ppb 0 to 1000 ppb 1.0 ppb Set the desired limit of the VOC concentration. The setpoint value is restricted by the maximum value defined at Step 24, VOC Setpnt. The VOC 28. "VOC mode" and ON Select the desired VOC sensor operation mode from the options: ON or to enable or disable the VOC mode. When the VOC mode is disabled, and even if the VOC is assigned to an analog or binary output, the VOC value will not be calculated. The VOC Page 9

10 Analog Output 1 (AO1) 29. "AO1 Min Volt" 0 Volt 0 to 10 Volts 0.1 Volt Select the desired minimum voltage ( zero value) for the AO1 ramp. The minimum value is restricted by the maximum value at Step 28, "AO1 Max Volt". In other words, the minimum value should be less than the maximum value. 30. "AO1 Max Volt" 0 Volt 0 to 10 Volts 0.1 Volt Select the desired maximum voltage ( span value) for the AO1 ramp. The maximum value is restricted by the minimum value at Step 27, "AO1 Min Volt". In other words, the maximum value should not be less than the minimum value. 31. "AO1 Mode" HIGH HIGH and AvrG Select the desired AO1 mode from High or Average. This mode determines how the controller calculates the AO1 ramp output value (0-10Vdc unless the min/max values were changed). The controller compares all the assigned input values and uses either the highest value or the average of all values depending on the selected mode (High or AvrG). Assign one or more of the following input values to AO1 (steps 33 to 39): Fan Cool Heat Dehumidification Humidification CO2 VOC If the Fan Mode setting in the Operation mode is set to, the Analog Output will remain at a minimum voltage (default: 0Vdv). 32. "AO1 DIRREV" dir (Direct) dir (Direct), rev (Reverse) Set the desired direction of the analog signal to Direct (for example, 0 to 10Vdc) or Reverse (for example, 10 to 0Vdc). 33. "AO1 Fan" ON ON and Select the desired analog output fan mode from ON or. If the AO1 Mode is set to AvrG, the Fan value will not be calculated. The Fan 34. "AO1 Cool" ON and Select the desired analog output cooling to ON or. The Cooling Page 10

11 35. "AO1 Heat" ON and Select the desired analog output heating control from ON or. The heating 36. "AO1 DEHUM" ON and Select ON to enable or to disable the dehumidification mode that will be used in the operation mode. The dehumidification 37. "AO1 HUM" ON and Select ON to enable or to disable the analog output humidification mode that will be used in the operation mode. The humidity 38. "AO1 CO2" ON and Select ON or to enable or disable the analog output CO2 sensor. The CO2 functioning CO2 sensor installed. AO1 CO2 requires a 39. "AO1 VOC" ON and Select ON or to enable or disable the analog output VOC sensor. The Filtration function VOC requires a functioning VOC sensor installed. AO1 Analog Output 2 (AO2) All Analog Output 2 options are available only when the application profile 0 is selected. App Profile 0 describes the manual configuration that is used by advanced users. 40. "AO2 Min Volt" 0 Volt 0 to 10.0 Volts 0.1 Volt Select the desired minimum voltage ( zero value) for the AO2 ramp. The minimum value is restricted by the maximum value at Step Error! Reference source not found., Error! Reference source not found.. In other words, the minimum value should be less than the maximum value. 41. "AO2 MAX Volt" 100 Volts 0 to 100 Volts 0.1 Volt Select the desired maximum voltage ( span value) for the analog output 2. The maximum value is restricted by the minimum value at Step Error! Reference source not found., Error! Reference source not found.. In other words, the maximum value should not be less than the minimum value. Page 11

12 42. "AO2 MODE" HIGH HIGH and AvrG Select the AO2 control mode from Average to High. This mode determines how the controller calculates the AO2 ramp output value (0-10Vdc unless the min/max values were changed). The controller compares all the assigned input values and uses either the highest value or the average of all values depending on the selected mode (High or AvrG). Assign one or more of the following input values to AO1 (steps 44 to 50): Fan Cool Heat Dehumidification Humidification CO2 VOC If the Fan Mode setting in the Operation mode is set to, the Analog Output will remain at a minimum voltage (default: 0Vdv). 43. "AO2 DIRREV" dir (Direct) dir (Direct), rev (Reverse) Set the desired direction of the analog signal to Direct (for example, 0 to 10Vdc) or Reverse (for example, 10 to 0Vdc). 44. "AO2 fan" and ON Select the desired analog output fan mode from ON or. If the AO1 Mode is set to AvrG, the Fan value will not be calculated. The Fan 45. "AO2 COOL" and ON Select the desired analog output cooling to ON or. The Cooling 46. "AO2 HEAT" and ON Select the desired analog output heating control from ON or. The heating 47. "AO2 dehum" and ON Select ON to enable or to disable the dehumidification mode that will be used in the operation mode. The dehumidification Page 12

13 48. "AO2 HUM" and ON Select ON to enable or to disable the analog output humidification mode that will be used in the operation mode. The humidity 49. "AO2 CO2" and ON Select ON or to enable or disable the analog output CO2 sensor. The CO2 functioning CO2 sensor installed. AO2 CO2 requires a 50. "AO2 VOC" and ON Select ON or to enable or disable the analog output VOC sensor. The VOC functioning VOC sensor installed. AO2 VOC requires a Binary Output (BO1) 51. "BO1 MODE" HIGH HIGH and AvrG Select the desired BO1 mode from High or Average. This mode determines how the controller calculates the BO1 ramp output value. The controller compares all the assigned input values and uses either the highest value or the average of all values depending on the selected mode (High or AvrG). Assign one or more of the following input values to BO1 (steps 58 or 64): Fan Cool Heat Dehumidification Humidification CO2 VOC If the Fan Mode setting in the Operation mode is set to, the Binary Output will remain at a minimum voltage (default: 0Vdv). 52. "BO1 DIRREV" NO NO (Normally Open) and NC (Normally Close) Set the desired direction for the binary output1 from the options; NO (NO to NC) or NC (NC to NO). Page 13

14 53. "BO1 TPM HYST" HYST HYST and TPM Select the desired binary output 1 hysteresis from the options; HYST and TPM (Time Proportional Modulation). The hysteresis range is 0% (low) to High (20%). 54. "BO1 TPM CPH" 4 3, 4, and 8 CPH (cycle per hour) Set the desired binary output 1 TPM cycles per hour from the options: 3, 4, or "BO1 anti cycle sec" 0 sec 0 to 300 sec 1 sec Set the desired binary output 1 anti-cycle delay in seconds before activating or reactivating the cooling contact to protect the compressor. 56. "BO1 hyst low percnt" 20% 0 to 100% 1% Select the desired binary output 1 hysteresis low percentage. The hysteresis range is 0% (low) to High (30%). The minimum hysteresis value is restricted by the maximum high hysteresis value set at Step 55, Error! Reference source not found.. In other words, the minimum value should be less than the maximum value. 57. "BO1 hyst high percnt" Increment 80% 20 to 100% 1% Select the desired binary output 1 hysteresis high percentage. The maximum hysteresis value is restricted by the minimum high hysteresis value set at Step 54, Error! Reference source not found.. In other words, the maximum value should not be less than the minimum value. 58. "BO1 fan" ON and Select the desired operation mode of the fan for binary output 1 from the options; ON or. The Fan displayed. symbol is also 59. "BO1 cool" ON and Select the desired cooling mode for binary output 1 from the options: ON or. The Cooling 60. "BO1 heat" ON and Select the desired heating mode for binary output 1 from the options: ON or. The Heating Page 14

15 61. "BO1 dehum" ON and Select the desired dehumidification mode for binary output 1 from the options ON or to enable or disable the dehumidification. The BO1 dehumidification option requires a functioning humidity sensor. The dehumidification also displayed. symbol is 62. "BO1 hum" ON and Select the desired humidification mode for binary output 1 from the options ON or to enable or disable the humidification. The humidity The BO1 humidification option requires a functioning humidity sensor. 63. "BO1 co2" ON and Select the desired CO2 control mode for binary output 1 from ON or to control the CO2 level. The BO1 CO2 option requires a functioning CO2 sensor. The CO2 64. "BO1 voc" ON and Select the desired CO2 control mode for binary output 1 from ON or to control the CO2 level. The BO1 VOC option requires a functioning CO2 sensor. The VOC Binary Output 2 (BO2) 65. "BO2 mode" All Binary Output 2 objects are available only when the application profile 0 is selected. App Profile 0 describes the manual configuration that is used by advanced users. HIGH HIGH and AvrG Select the desired BO2 mode from High or Average. This mode determines how the controller calculates the BO2 ramp output value. The controller compares all the assigned input values and uses either the highest value or the average of all values depending on the selected mode (High or AvrG). Assign one or more of the following input values to BO2 (steps 72 to 78): Fan Cool Heat Dehumidification Humidification CO2 VOC If the Fan Mode setting in the Operation mode is set to, the Binary Output will remain at a minimum voltage (default: 0Vdv). Page 15

16 66. "BO2 DIRREV" NC NO and NC Set the desired direction for the binary output1 from the options; NO (NO to NC) or NC (NC to NO). 67. "BO2 TPM HYST" HYST HYST and TPM Select the desired binary output 2 hysteresis from the options; HYST and TPM (Time Proportional Modulation). The hysteresis range is 0% (low) to High (20%). 68. "BO2 TPM CPH" 4 3, 4, and 8 Set the desired binary output 2 TPM cycles per hour from the options: 3, 4, or "BO2 anti cycle sec" 0 sec 0 to 300 sec 1sec Set the desired binary output 2 anti-cycle delay in seconds before activating or reactivating the cooling contact to protect the compressor. 70. "BO2 hyst low percnt" Increment 20% 0 to 80% 1% Select the desired binary output 2 hysteresis low percentage. The hysteresis range is 0% (low) to High (30%). The minimum hysteresis value is restricted by the maximum high hysteresis value set at Step 69, Error! Reference source not found.. In other words, the minimum value should be less than the maximum value. 71. "BO2 hyst high percnt" Increment 80% 80 to 100% 1% Select the desired binary output 2 hysteresis high percentage. The maximum hysteresis value is restricted by the minimum high hysteresis value set at Step 68, Error! Reference source not found.. In other words, the maximum value should not be less than the minimum value. 72. "BO2 fan" ON and Select the desired operation mode of the fan for binary output 2 from the options; ON or. The Fan displayed. symbol is also Page 16

17 73. "BO2 cool" ON and Select the desired cooling mode for binary output 2 from the options: ON or. The Cooling 74. "BO2 heat" ON and Select the desired heating mode for binary output 2 from the options: ON or. The Heating "BO2 dehum". 75. "BO2 Dehum" ON and Select the desired dehumidification mode for binary output 2 from the options ON or to enable or disable the dehumidification. The BO2 dehumidification option requires a functioning humidity sensor. The dehumidification also displayed. symbol is 76. "BO2 hum" ON and Select the desired humidification mode for binary output 2 from the options ON or to enable or disable the humidification. The humidity The BO2 humidification option requires a functioning humidity sensor. 77. "BO2 co2" ON and Select the desired CO2 control mode for binary output 2 from ON or to control the CO2 level. The BO2 CO2 option requires a functioning CO2 sensor. The CO2 78. "BO2 voc" ON and Select the desired CO2 control mode for binary output 2 from ON or to control the CO2 level. The BO2 VOC option requires a functioning CO2 sensor. The VOC Analog and Binary Inputs (AI1 and BI1) 79. "AI1 mode" All Analog Input 1 and Binary Input 1 options are available only when the application profile 0 is selected. App Profile 0 describes the manual configuration that is used by advanced users., OAt, OCC, nsb, dft, FLS, and FLP Select the desired Analog Input 1 options from the following: - If selected, the controller does not use the input. OAT - If selected, the controller uses an outside air temperature sensor. OCC - If selected, the controller activates the occupancy status. Page 17

18 nsb - If selected, the controller activates the night set back status. dft - If selected, the controller activates an alarm to indicate that the filter is dirty. FLS - If selected, the controller activates an alarm to indicate that the airflow is absent. FLP - If selected, the controller activates an alarm to indicate that the airflow is absent. The controller shuts off all outputs. 80. "BI1 mode", OCC, nsb, dft, FLS, and FLP Select the desired Binary Input 1 options from the following: - If selected, the controller does not use the input. OCC - If selected, the controller activates the occupancy status. nsb - If selected, the controller activates the night set back status. dft - If selected, the controller activates an alarm to indicate that the filter is dirty. FLS - If selected, the controller activates an alarm to indicate that the airflow is absent. FLP - If selected, the controller activates an alarm to indicate that the airflow is absent. The controller shuts off all outputs. 81. "EXTRN TEMP SET" 0 0 C C to C [32ºF] [-50ºF to 50ºF] Adjust the calibration of the external sensor by comparison with a known thermometer. The display shows the temperature read by the external temperature sensor. Use the and keys to adjust the temperature read. 82. "AO1 OAT HI TEMP" 50 0 C 40 0 C to C C [122ºF] [104ºF to 257ºF] Set the desired heating outside air high-temperature limit for the analog input 1. This setpoint appears when 'OAT' is selected in the step 77, "AI1 mode". If the temperature read from the Outside Air Temperature sensor connected to AI1 is higher than the value set here, the AO1 output will no longer modulate and remain at its minimum voltage (default 0Vdc). 83. "AO1 OAT low TEMP" C C to C C [-104ºF] [-104ºF to 257ºF] Set the desired heating outside air low-temperature limit for the analog input 1. If the temperature read from the Outside Air Temperature sensor connected to AI1 is higher than the value set here, the AO1 output will no longer modulate and remain at its minimum voltage (default 0Vdc). 84. "AO2 OAT HI TEMP" 50 0 C 40 0 C to C C [122ºF] [104ºF to 257ºF] Set the desired heating outside air high-temperature limit for the analog input 2. This setpoint appears when 'OAT' is selected in the Step 77, "AI1 mode". If the temperature read from the Outside Air Temperature sensor connected to AI1 is higher than the value set here, the AO1 output will no longer modulate and remain at its minimum voltage (default 0Vdc). Page 18

19 85. "AO2 OAT low TEMP" C C to C C [-104ºF] [-104ºF to 257ºF] ARO Series Universal Room Controller Set the desired heating outside air low-temperature limit for the analog input 1. The minimum value is restricted by the value set at Step 82, "AO2 OAT HI TEMP". If the temperature read from the Outside Air Temperature sensor connected to AI1 is higher than the value set here, the AO1 output will no longer modulate and remain at its minimum voltage (default 0Vdc). 86. "BO1 OAT HI TEMP" 50 0 C 40 0 C to C C [122ºF] [104ºF to 257ºF] Set the desired heating outside air high-temperature limit for the binary output 1. This setpoint appears when 'OAT' is selected in the Step 77, "AI1 mode". If the temperature read from the Outside Air Temperature sensor connected to AI1 is higher than the value set here, the AO1 output will no longer modulate and remain at its minimum voltage (default 0Vdc). 87. "BO1 OAT low TEMP" C C to C C [-104ºF] [-104ºF to 257ºF] Set the desired heating outside air low-temperature limit for the binary output 1. The minimum value is restricted by the value set at Step 86, "BO1 OAT HI TEMP". If the temperature read from the Outside Air Temperature sensor connected to AI1 is higher than the value set here, the AO1 output will no longer modulate and remain at its minimum voltage (default 0Vdc). 88. "BO2 OAT HI TEMP" 50 0 C 40 0 C to C C [122ºF] [104ºF to 257ºF] Set the desired heating outside air high-temperature limit for the binary output 2. This setpoint appears when 'OAT' is selected in the Step 77, "AI1 mode". If the temperature read from the Outside Air Temperature sensor connected to AI1 is higher than the value set here, the AO1 output will no longer modulate and remain at its minimum voltage (default 0Vdc). 89. "BO2 OAT low TEMP" C C to C C [-104ºF] [-104ºF to 257ºF] Set the desired heating outside air low-temperature limit for the binary output 2. This setpoint appears when 'OAT' is selected in the Step 77, "AI1 mode". If the temperature read from the Outside Air Temperature sensor connected to AI1 is higher than the value set here, the AO1 output will no longer modulate and remain at its minimum voltage (default 0Vdc). 90. unocc cool setpnt min 10ºC 0ºC to 10ºC [50ºF] [32ºF to 50ºF] Set the minimum cooling setpoint when the zone is in unoccupied mode. This setpoint appears when 'Occupancy' is selected in the Step 77, "AI1 mode" and Step 78, "BI1 mode". The minimum value is restricted by the maximum value set at Step 89, " unocc cool setpnt". In other words, the value that is set as the minimum cannot be greater than the maximum value. 91. unocc cool setpnt max 40ºC 10ºC to 125ºC [104ºF] [50ºF to 257ºF] Set the maximum cooling setpoint when the zone is in unoccupied mode. This setpoint appears when 'Occupancy' is selected in the Step 77, "AI1 mode" and Step 78, "BI1 mode". The maximum value is restricted by the minimum value set at Step 88, unocc cool setpnt. In other words, the value that is set as the maximum cannot be less than the minimum value. Page 19

20 92. unocc cool setpnt 32ºC 0ºC to 32ºC [89.6ºF] [32ºF to 89.6ºF] In the Operation mode, you cannot increase the unoccupied heat setpoint to more than the value set as the unoccupied cooling setpoint. This setpoint appears when 'Occupancy' is selected in the Step 77, "AI1 mode" and Step 78, "BI1 mode". The cooling symbol is displayed. 93. "UNOCC HEAT setpnt Min 10ºC 0ºC to 40ºC [50ºF] [32ºF to 122ºF] Set the minimum heating setpoint when in unoccupied mode. This setpoint appears when 'Occupancy' is selected in the Step 77, "AI1 mode" and Step 78, "BI1 mode". The minimum value is restricted by the maximum value set at Step 92, "UNOCC HEAT setpnt". In other words, the value that is set as the minimum cannot be greater than the maximum value. 94. "UNOCC HEAT setpnt MAX " 40ºC 0ºC to 125ºC [104ºF] [32ºF to 257ºF] Set the maximum heating setpoint when in unoccupied mode. This setpoint appears when 'Occupancy' is selected in the Step 77, "AI1 mode" and Step 78, "BI1 mode". The maximum value is restricted by the minimum value set at Step 91, UNOCC HEAT setpnt. In other words, the value that is set as the maximum cannot be less than the minimum value. 95. "UNOCC HEAT setpnt" 18ºC 0ºC to 125ºC [64.4ºF] [32ºF to 257ºF] In the Operation mode, you cannot increase the unoccupied heat setpoint to more than the value set as the maximum unoccupied heating setpoint. This setpoint appears when 'Occupancy' is selected in the Step 77, "AI1 mode" and Step 78, "BI1 mode". The heating symbol is displayed. PI (Proportional-Integral) Band 96. "cool p band" 5ºC 2ºC to 50ºC [41ºF] [35.6ºF to 122ºF] Select the desired proportional band value of the cooling ramp. The cooling 97. "heat p band" 5ºC 2ºC to 50ºC [41ºF] [35.6ºF to 122ºF] Select the desired proportional band value of the heating ramp. The heating BO2 OAT HI TEMP 98. "humdty p band" 5ºC 2ºC to 50ºC [41ºF] [35.6ºF to 122ºF] Select the desired proportional band value of the humidity ramp. The humidity Page 20

21 99. "co2 p band" 500 ppm 0 to 2000 ppm 1 ppm Select the desired proportional band value of the CO2 ramp. The CO "voc p band" 500 ppb 10 to 1000 ppb 1 ppb Select the desired proportional band value of the VOC ramp. The VOC 101. "cool i time sec" 60 Seconds 1 to 120 Seconds 1 Second Set the desired value for cooling integral factor compensation. The cooling 102. "heat i time sec" 60 Seconds 1 to 120 Seconds 1 Second Set the desired value for heating integral factor compensation. The heating 103. "humdty i time sec" 60 Seconds 1 to 120 Seconds 1 Second Set the desired value for humidity integral factor compensation. The humidity symbol is displayed symbol is also displayed 104. "co2 i time sec" 60 Seconds 1 to 120 Seconds 1 Second Set the desired value for CO2 integral factor compensation. The CO "voc i time sec" 60 Seconds 1 to 120 Seconds 1 Second Set the desired value for VOC integral factor compensation. The VOC Network Settings 106. "select netwrk proto" bac bac and mod Select the desired network communication protocol from the options: BACnet or Modbus. Page 21

22 BACnet 107. "bacnet baud rate" Auto Auto, 9.6k, 19.2k, 38.4k, 57.6K, and 76.8k Set the desired MS/TP baud rate setting from the options: 9600, 19200, 38400, or that will be used in the Operation mode. The default option is Auto, and when selected, the controller automatically configures its baud rate by detecting the network speed upon connection to the network. If you enabled Auto Baud Rate Detection at Step 106, "BACnet Auto Bauds Rate" the controller displays the automatically detected baud rate "bacnet auto bauds rate" Auto Auto, 9.6k, 19.2k, 38.4k, 57.6K, and 76.8k The default option is Auto, and when selected, the controller automatically configures its baud rate by detecting the network speed upon connection to the network "mstp mac addrss" 0 1 to Select the desired MSTP MAC Address. Each device on the network must have a unique MAC address "mstp max master" to Select the desired MSTP MAX address for the master device "adjust device inst " No No, Yes To change the device instance, select Yes and continue to the next step. If you select No, the device instance will be modified automatically according to the MAC address "015325" Current Value 0 to Use the arrow keys to change the value and press the device instance. button to move to the next digit. Ensure that you provide a unique Modbus 113. "modbus baud rate" No default (information display only) 9.6k, 19.2k, 38.4k, 57.6k Select the desired Modbus baud rate. If you enabled Modbus Auto Baud Rate Detection, the controller displays the automatically detected baud rate. Page 22

23 114. "modbus port config" NP2S NP2S, "OP1S", "EP1S" Select the desired parity and number of stop bits for the modbus communication. Select from the following options: 0= No parity, 2 Stop bits 1= Even parity, 1 stop bit 2= Odd parity, 1 stop bit 115. "modbus addrss" 1 1 to 246 Select the desired Modbus address from the range: 1 to 246]. Each device on the network must have a unique Modbus address "local unit" MET 0 C MET 0 C and ImP 0 F Select the unit type that will be displayed on the controller in the Operation mode. The default unit is Metric "auto scroll" ON ON and Select the desired status of the auto-scroll of sensor readings in the Operation mode. Page 23

24 Operation Mode ARO Series Universal Room Controller The Mode Selector Jumper (JP3) must be set to the "RUN" mode (Operation Mode). For more information, see Wiring. Press to change setpoint Press to change setpoint Press to change setpoint Press to change setpoint Auto scroll or press F % Auto scroll or press Auto scroll or press Press Press Press to change temp mode: Auto Heat Cool Off Press to change RH mode: Auto HUM DEHUM Press to change CO2 mode: ON Press to adjust The displayed setpoint. Press to change system mode: ON Press to change fan mode: Auto ON Power Up Upon power up, the LCD illuminates, and all segments appear for 2 seconds. The controller then displays its current version for 2 seconds. LCD Backlight Pressing any key illuminates the LCD for 4 seconds. Night Set Back (NSB) Mode This function is only available if you have set input to nsb (Night Set Back contact). If the contact is triggered, the controller enters NSB Mode (the symbol appears) and uses the NSB setpoints defined at Steps, "NSB Heating Setpnt", "NSB Cooling Setpnt" and "NSB Fan Mode". Press any key to override NSB for the delay defined at Step, NSB Override Delay Minutes. The symbol flashes to indicate that the NSB mode is overridden (during this time the standard setpoints are used). No Occupancy Mode This function is only available if you have set input to OCC (occupancy contact). If the contact is triggered and the minimum occupancy time defined at Step 103, "OCC Minimum Time In Minutes" has elapsed, the controller enters Occupancy Mode (the symbol appears) and uses the OCC setpoints defined at Steps 107, "No OCC Heating Setpnt", 108 "No OCC Cooling Setpnt" and 105, "No OCC Fan Mode". Press the star * button to override no occupancy. Each time you press the star * button, 15 minutes are added to the override up to a maximum defined by Step 104, "No OCC Override Delay Minutes". Press the star * button until 0 is displayed to disable the override. The icon will flash and the remaining override time will be displayed in minutes. Page 24

25 Appendix - Application Profiles This appendix provides additional information about the application profiles (App Profiles) used in the ARO Series Universal Room Controller. APP PROFILE 1 Outside Air Application (Temperature only) Exhaust Fan Outside ECM T INT When selecting the option "1" from the application profiles menu, the ARO automatically configures the following options: AO1 AO2 BO1 BO2 AI BI System Modes Demand Source Fan Demand Source Fan Configuration Occupancy Main System On Control Mode Highest Control Mode Highest Temperature Auto Direction Direct Direction Direct Humidity Off Min. Value 0% TPM/Hysteresis Hysteresis CO2 Off Max. Value 100% Hysteresis Low 0% VOC Off Hysteresis High 20% JP3 A B C PGM RUN JP1 A B C A B C JP2 TB : COM 2: 24Vac 4: BO1 (-) Common (+) 24Vac XFO N (-) Common (+) 24 Vac Signal Auxiliary Contact / End switch Line Voltage L On/Off Supply Damper : BI1 11: AI (-) Common (+) 24 Vac Signal Auxiliary Contact / End switch On/Off Supply Damper Normally Opened 15 JP5 A B C EOL (-) Common (+) 24 Vac Signal Modulating Fan (ECM Motor) Page 25

26 APP PROFILE 2: Conference Room (Temp, RH, and CO 2 ) When selecting the option "2" from the application profiles menu, the ARO automatically configures the following options: AO1 AO2 BO1 BO2 AI BI System Modes Demand Source Fan Demand Source Fan Configuration Occupancy Main System On Control Mode Average Control Mode Average Temperature Auto Direction Direct Direction Direct Humidity Auto Min. Value 0% TPM/Hysteresis Hysteresis CO2 On Max. Value 100% Hysteresis Low 0% VOC Off Hysteresis High 20% Page 26

27 Notes ARO Series Universal Room Controller

28 Recycling at end of life: please return this product to your Neptronic local distributor for recycling. If you need to find the nearest Neptronic authorized distributor, please consult Lebeau blvd, Montreal, Qc, H4N 1R6, Canada Toll free in North America: Tel.: (514) Fax: (514) Customer service fax: (514) Monday to Friday: 8:00am to 5:00pm (Eastern time)