EP3 GENERAL Input Power Class 2; 22 to 30 Vdc/20 to 30 Vac, 47 to 63 Hz,150 mA max. average, 350 mA peak Control Input Class 2; 4 to 20 mA/0-5 V/0-10 Vdc; switch- selectable, Tri-State, PWM Input Impedance4 to 20 mA, 250 Ω; 0-5 V/0-10 Vdc, 10 kΩ Manual OverrideDigital pushbutton adjust, switch-selectable mode Alarm Contact100 mA@30 Vac/dc (Pressure loss, manual mode, jumper selectable) Accuracy1% FS; combined linearity, hysteresis, repeatability @20 °C (68 °F) ambient Temperature Coefficient±0.1%/°C Operating Temp Range41 to 140 °F (5 to 60 °C) Operating Hum. Range10 to 90% RH non-condensing EP Series transducers are sold as an open device. Observe handling precautions for static sensitive devices to avoid damage to the circuitry which would not be covered under the factory warranty. **The CE mark indicates RoHS2 compliance. Please refer to the CE Declaration of Conformity for additional details. *For shorter tubing runs use the Veris AA45 Pneumatic Capacitor EMC Conformance: Low voltage directive 2014/35/EU; EMC directive 2014/30/EU. EMC Special Note - CE option: Connect this product to a DC distribution network or an AC/DC power adaptor with proper surge protection (EN 61000-6-1 specification requirements). The EP3 Series combines a microcontroller with high performance, low power coil poppet valve technology to create a system with unparalleled accuracy and proven reliability. The poppet valves used in the EP3 consume no air, eliminating unnecessary air losses in the system and allowing for efficient, long-term operation. The EP3 permits versatility, since all models feature manual override and a tri-state control option. The LCD provides easy visibility and the LED indicators provide visual status of valve operation in manual or automatic mode. All models come with SnapTrack housing and optional covers are available. APPLICATIONS • Hospitals • Schools • Pneumatic dampers/actuators Field-selectable Field-selectable 4 to 20 mA/ 0-5 V/0-10 Vdc input for application flexibility Multi-point calibration 3 to 15 psi (5-point calibration) and 0 to 20 psi (6-point calibration) Quiet operation Poppet valve technology for quiet operation Pressure loss alarm Pressure loss alarm provides a contact closure if the EP3 is unable to achieve the desired output within a fixed length of time Manual override Manual override with set and hold feature…great for commissioning leaky systems Fail-safe vent Fail-safe vent solenoids bleed branch pressure on power failure for added safety SPECIFICATIONS SCIM523 in3/min @ 45 psi; (8570 cm3/min @ 310.3 kPa); 333 in3/min @ 20 psi (5457 cm3/min @ 137.9 kPa) Supply PressureMin (0.1 psi + user F.S. pressure); Max 45 psig Control RangeUser programmable zero selectable from 0 to 25 psi: Full scale 0 to 25 psi Pressure Differential 0.1 psig (supply to branch) Pressure IndicationElectronic, 3-½ digit backlit LCD Min. Tubing Length15 feet* Port Connection1/8” I.D. poly tubing Media ConnectionClean, dry air, or inert gas. Do not use with oxygen service WARRANTY Limited Warranty5 years AGENCY APPROVALS Available ** 800.354.8556 | +1 503.598.4564 | sales@veris.com | intl@veris.com TM EP3 SERIES Micro-Controlled with High-Performance, Low-Power Coil Poppet Valve Technology Pressure Monitoring | Electropneumatic Transducers HQ0001829.E 0117• Input switch set to voltage (0 to 5 Vdc or 0 to 10 Vdc) • Input volt jumper set to either 0 to 5 Vdc or 0 to 10 Vdc • Input switch set to 4 to 20 mA • Output jumper set to 0 to 10 Vdc • Input switch set to "TRI-STATE" • Tri-state jumper set to "ON" Output 0 = None 3 = Analog output: 0-10VDC, or 4-20mA, selectable US or EU S = Standard C = CE,includes cover plate Feedback = Pressure Loss Alarm, or Manual Mode Alarm EP3 Failsafe 0 = None 1 = Vent on Power Fail Option Blank = None 2 = EP Cover Plate 3 CURRENT/VOLTAGE CONTROL Wiring Diagrams TRI-STATE CONTROL Wiring Diagrams CONFIGURATION DIMENSIONAL DRAWINGS EP3331S2 Option = Cover Plate Example: ORDERING INFORMATION DUST COVER Dimensional Drawings (Front View)Side View Pressure Monitoring | EP3 Series HQ0001829.E 0117Next >