Networkable VAV Controller Specification and Installation Instructions EVCB14-TRL-TDU-V508-210730 Page | 1 Controller Models EVCB14NIT0S (0 TRIACS / pressure independent) EVCB14NIT2S (2 TRIACS / pressure independent) EVCB14NIT4S (4 TRIACS / pressure independent) EVCB14NDT4S (4 TRIACS / pressure dependent) EVCB14NIT0SF (0 TRIACS / independent / feedback) EVCB14NIT4SF (4 TRIACS / independent / feedback) TRL Series Digital Room Sensor TRL24 (With temperature sensor) TRLH24 (With temperature and humidity sensor) TRLG24 (With temperature and CO 2 sensor) TRLGH24 (With temperature, CO 2 and humidity sensors) TDU Series Digital Room Sensor TDU00 (Vertical Grey LCD, white enclosure) TDU30 (Vertical Black LCD, black enclosure) TDU60 (Vertical Black LCD, white enclosure) TDU10 (Horizontal Grey LCD, white enclosure) TDU40 (Horizontal Black LCD, black enclosure) TDU70 (Horizontal Black LCD, white enclosure) EVCB Series TRL24 Series TDU00 / TDU30 / TDU60 Series TDU10 / TDU40 / TDU70 Series Description The EVCB Series is a combination controller and digital room sensor with support for networked communications via the BACnet MS/TP or Modbus protocol. The EVCB Series controller is compatible with both TRL24 and TDU series digital room sensors. The Networkable VAV Controller is designed for simple and accurate control of any variable air volume box in a number of zone control configurations. Its field configurable algorithms enable versatile implementation of required control sequences. Features • Field configured VAV algorithms, inputs and outputs • Built-in actuator, 70 lb-in • On board differential pressure sensor (select models) • Select direction on analog outputs • Simple air balancing and commissioning via digital room sensor • Automatically sets operation mode to pressure dependent or independent based on the presence of air flow • Configurable PI (Proportional-Integral) function • Independent, configurable proportional control band and dead band per ramp • Selectable internal or external temperature sensor (10KΩ) • Activate output with CO 2 sensor from TRL/TDU or external sensor input • Changeover by contact or external temperature sensor • Internal and external temperature sensor calibration • Optional potentiometer feedback for increased precision of actuator position • Freeze protection • Removable, raising clamp, non-strip terminals Operational Features • Backlit LCD with simple icon and text driven menus • Select digital room sensor’s default display • Network service port via on-board mini USB connector • Manual night setback or no occupancy override • Multi level lockable access menu and setpoint • Selectable Fahrenheit or Celsius scale • 3-wire connection to controller and 4 push buttons Applications • Single duct, cooling only • Single duct cooling and/or heating • Up to 4 stage reheat and/or cool • Up to 4 On/Off heat and/or cool • Up to 4 time proportioned (TPM) heat or reheat • Up to 2 analog (0-10Vdc) reheat and/or cool • Up to 2 floating heat and/or cool • Pressure dependent or pressure independent • With or without auto changeover • Supply/exhaust (requires an additional EVC) Network Communication • BACnet MS/TP or Modbus communication port • Select MAC address via DIP switch or via network • Automatic baud rate detection BACnet MS/TP® • Automatic device instance configuration • Copy & broadcast configuration via digital room sensor menu or via BACnet to other controllers • BACnet scheduler • Firmware upgradeable via BACnet • Support COV (change of value) Modbus • Modbus @ 9600, 19200, 38400 or 57600 bps • RTU Slave, 8 bits (configurable parity and stop bits) • Connects to any Modbus master Networkable VAV Controller Specification and Installation Instructions www.neptronic.com EVCB Standard Page | 2 Controller Specifications Description EVCB Series Torque 70 in.lb. [8 Nm] at rated voltage Power consumption 10 VA max Running time through 90º 90 seconds Power supply 22 to 26 Vac 50/60 Hz Inputs 2 Universal inputs (Thermistor 10KΩ Type 3, digital 24Vac/dry contact, or 0-10Vdc) 2 digital inputs Outputs 2 analog outputs (0-10 Vdc or 2-10Vdc; selectable) Up to 4 TRIAC outputs 24 Vac, 500mA max thermal fuse in series with each TRIAC output (on/off, pulse, or 2 floating outputs) Real Time Clock Real-time clock (RTC) with super capacitor backup (approximately 3 days) BACnet BACnet® MS/TP @ 9600, 19200, 38400 or 76800 bps (B-ASC) Modbus Modbus RTU slave @ 9600, 19200, 38400 or 57600. Selectable parity and stop bit configuration: No parity, 2 stop bit | Even parity, 1 stop bit | Odd parity, 1 stop bit Communication connection Low capacitance, EIA RS-485, 22 or 24 AWG shielded twisted pair multi-strand cables (Belden 9841 or equivalent). Digital Room Sensor connection Insulated 3 core multi-strand 22 or 24 AWG cable. Maximum 50ft (15m) between controller and digital room sensor. Electrical connection Insulated 2 core 0.8 mm 2 [18 AWG] minimum power cable. Operating temperature 0ºC to 50ºC [32ºF to 122ºF] Storage temperature -30ºC to 50ºC [-22ºF to 122ºF] Relative Humidity 5 to 95% non condensing Weight 1.26 kg. [2.8 lb] The actuator performs an auto-stroke on power up. When changing the actuator adjustment screws, cycle power to initiate the auto-stroke. EVC with a built-in 70 in. lb. Actuator Dimensions A = 1.50" | 39mm B = 7.25" | 185mm C = 3.25" | 83mm D = 5.50" | 140mm Networkable VAV Controller Specification and Installation Instructions www.neptronic.com EVCB Standard Page | 3 Digital Room Sensor Specifications Description TRL24 and TDU Series Temperature Sensor (TRL24 and TDU) Setpoint range 10ºC to 40ºC [50ºF to 104ºF] Control accuracy Temperature: ±0.4ºC [0.8ºF] Display resolution ±0.1ºC [0.2ºF] Humidity Sensor (TRLH24, TRLGH24 and TDU models with Humidity Sensors) Sensor range 5 to 95%RH Display resolution 0.1% CO 2 Sensor (TRLG24, TRLGH24 and TDU models with CO 2 Sensors) Operating principle Self-calibrating, Non-Dispersive Infrared (NDIR) Sensor Range 0 to 2000 ppm Setpoint range 100 to 2000 ppm Accuracy ±30 ppm ±3% of reading Response time 2 minutes by 90% Display resolution 1 ppm PIR Motion Sensor (TDU00 / TDU 30 / TDU60 models with PIR Sensor) Operating Principle Passive Infrared (PIR) Detection Angle 100° Detection Distance 4m [13ft] Detection Area 100º 4m (13ft) VOC Sensor (TDU00 / TDU30 / TDU60 models with VOC Sensor) Operating Principle Self-calibrating, Non-Dispersive Infrared (NDIR) Sensor Range 0-1000 ppb isobutylene equivalent tVOCs Response Time <5 seconds for tVOC Start up Time 15 minutes Other Electrical connection 3 wires to VAV controller and 2 wires to BACnet/Modbus network | 0.8 mm2 [18 AWG] minimum Network service port Mini USB connector Power supply 24Vac Power consumption 1VA Operating temperature 0ºC to 50ºC [32ºF to 122ºF] Storage temperature -30ºC to 50ºC [-22ºF to 122ºF] Relative humidity 5 to 95 % non condensing Enclosure protection IP 30 (EN 60529) Weight 120 g. [0.25 lb] Networkable VAV Controller Specification and Installation Instructions www.neptronic.com EVCB Standard Page | 4 Dimensions TRL24 A = 2.85” | 73mm B = 4.85” | 123mm C = 1.00” | 24mm D = 2.36” | 60mm E = 3.27” | 83mm TDU40 / TDU70 Series A = 5.24” | 133mm B = 2.87” | 73mm C = 3.74” | 95mm D = 1.22” | 31mm E = 0.75” | 19mm F = 2.00” | 51mm G = 2.18” | 55mm TDU00 / TDU30 / TDU60 Series A = 4.88” | 124mm B = 3.25” | 83mm C = 1.75” | 44mm D = 0.96” | 24mm E = 2.07” | 53mm F = 2.36” | 60mm G = 3.28” | 83mm H = 0.78” | 20mm (without CO2) 0.95” | 24mm (with CO2) E D B A C PIR Sensor (Optional) G F H B TYP A B C D E Networkable VAV Controller Specification and Installation Instructions www.neptronic.com EVCB Standard Page | 5 TDU Models Horizontal Model # Temp RH CO 2 TDU10-100 TDU40-100 TDU70-100 ● TDU10-101 TDU40-101 TDU70-101 ● ● TDU10-102 TDU40-102 TDU70-102 ● ● ● TDU10-103 TDU40-103 TDU70-103 ● ● TDU10 Series TDU40 Series TDU70 Series Vertical Model # Temp RH CO 2 PIR VOC TDU00-100 TDU30-100 TDU60-100 ● TDU00-101 TDU30-101 TDU60-101 ● ● TDU00-102 TDU30-102 TDU60-102 ● ● ● TDU00-104 TDU30-104 TDU60-104 ● ● TDU00-105 TDU30-105 TDU60-105 ● ● ● TDU00-106 TDU30-106 TDU60-106 ● ● ● ● TDU00-107 TDU30-107 TDU60-107 ● ● ● ● ● TDU00-108 TDU30-108 TDU60-108 ● ● ● ● TDU00 Series TDU30 Series TDU60 Series Networkable VAV Controller Specification and Installation Instructions www.neptronic.com EVCB Standard Page | 6 Interface TRL24 Cooling ON A: Automatic Communication Status Alarm status Heating ON A: Automatic Menu Locked Energy saving mode (NSB or Occupancy) Fan ON A: Automatic Programming mode (Technician setting) Percentage of humidity or ºC: Celsius scale ºF: Fahrenheit scale AM PM 1257 %RH F Network Communication User Lock Programming Mode (Technician Setting) Alarm Status Energy Saving Mode (NSB/OCC) Schedule Time ppm Parts Per Million °C °F %RH ºC: Celsius Scale ºF: Fahrenheit Scale %RH: Humidity A Automatic Mode Cooling Heating Fan TDU00 / TDU30 / TDU60 Series AM PM F C %RH Network Communication User Lock Programming Mode (Technician Setting) Alarm Status Energy Saving Mode (NSB/OCC) AM PM Time °C °F %RH ºC: Celsius Scale ºF: Fahrenheit Scale %RH: Humidity A Automatic Mode Cooling Heating Fan Mechanical Installation - Actuator 1. Manually close the damper blades and position the actuator to 0º or 90º. 2. Slide the actuator onto the shaft. 3. Tighten the nuts on the “U” bolt to the shaft with an 8mm wrench to a torque of 60 in-lb [6.7 Nm]. 4. Slide the mounting bracket under the actuator. Ensure free movement of the slot at the base of the actuator. Place the bracket pin at mid distance of the slot. 5. Affix the bracket to the ductwork with #8 self-tapping screws. Do not press the clutch when the actuator is powered. EVC with a built-in 70 in. lb. Actuator C F %RH . . . . 1234567 CLUTCH Networkable VAV Controller Specification and Installation Instructions www.neptronic.com EVCB Standard Page | 7 Mounting Instructions TRL24 CAUTION: Remove power to avoid a risk of malfunction. A. Remove the captive screw that’s 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. TDU10 / TDU40 / TDU70 Series CAUTION: Remove power to avoid a risk of malfunction. A. Remove the wall mounting plate (highlighted) from the back of the digital room sensor. B. Install the mounting plate on the gang box. C. Pull the wires through the base hole and make the appropriate connections. D. Mount the digital room sensor onto the wall plate. To mount it correctly, place the top of the digital room sensor on the mounting plate first and push it into the grooves to snap it into place. E. Secure the digital room sensor using the screw (supplied). TDU00 / TDU30 / TDU60 Series CAUTION: Remove power to avoid a risk of malfunction. A. Remove the captive screw that’s 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. ABCDE A E D C B Networkable VAV Controller Specification and Installation Instructions www.neptronic.com EVCB Standard Page | 8 BACnet or Modbus Address DIP Switch (DS1) MAC address for communication, are selectable by DIP switch using binary logic. If you do not change device instance in program mode, it will be automatically modified according to the MAC address. Note: Avoid using addresses above 246 when selecting Modbus MAC address. MAC Address DS.1 = 1 DS.2 = 2 DS.3 = 4 DS.4 = 8 DS.5 = 16 DS.6 = 32 DS.7 = 64 DS.8 = 128 Default Device Instance 0 OFF OFF OFF OFF OFF OFF OFF OFF 153000 1 ON OFF OFF OFF OFF OFF OFF OFF 153001 2 OFF ON OFF OFF OFF OFF OFF OFF 153002 3 ON ON OFF OFF OFF OFF OFF OFF 153003 4 OFF OFF ON OFF OFF OFF OFF OFF 153004 … … … … … … … … … … 126 OFF ON ON ON ON ON ON OFF 153126 127 ON ON ON ON ON ON ON OFF 153127 * Slave addresses available by setting DS.8 to ON Networkable VAV Controller Specification and Installation Instructions www.neptronic.com EVCB Standard Page | 9 Wiring We strongly recommend that all Neptronic products be wired to a separate grounded transformer and that transformer shall service only Neptronic products. This precaution will prevent interference with, and/or possible damage to incompatible equipment. DS1DIP Switch The 8 DIP switches represent a binary logic to calculate the MACaddress. Default = all OFF T B 3 T B 2 T B 4 T B 5 T B 6 P o w e r S t a t u s O N 1 2 3 4 5 6 7 8 D S 1 I N T E X T J P 2 I N T E X T J P 1 3 2 1 AI2 AI1 COM 2 analog inputs (config.) External temp, changeover, normally cool/ heat, setpoint air flow, CO2, air supply temp 3 2 1 AO2 AO1 COM 2 analog outputs (config.) Cool ramp 1 or 2, heat ramp 1 or 2, CO2, setpoint airflow 3 2 1 DI2 DI1 COM 2 digitalinputs (config.) DI2: Override, normally cool/heat DI1: OCC open/close, NSB open/close 3 2 1 COM 24Vac input (TO2/TO1) TO1 4 TO2 7 6 5 COM 24Vac input (TO3/TO4) TO3 8 TO4 4 TRIAC outputs(config.) Cool 1 or 2, heat 1 or 2, CO2 On/Off (config close/open percent) Floating (config float time) Pulse (heat only) Direct or reverse 3 24Vac 4 24Vac Power Input/Output 24Vac 3 2 1 COM A+ (in) B- (in) gh ure Low Static Pressure T X D R X D E O JP2 (TO3 / TO4 input voltage) INT = 24Vac supplied internally by TB1 EXT = Apply 24Vac to pin 5 of TB2 JP1(TO1/TO2input voltage) INT = 24Vac supplied internally by TB1 EXT = Apply 24Vac to pin 1 of TB2 3 2 1 Data COM Pwr Data Pwr COM Optional: connect to enable service port 5 4 A+ (out) B- (out) JP3( None = No end of line 120 Ohms TXD Flash transmitting data via network RXD receiving data via network Power On 24Vac applied to TB1 Status Flash communicating viathermostatNext >