EWC Controls

EWT-3900 Wireless Programmable Digital Thermostat

1422867 MFG #: EWT3900
EWC Controls EWT-3900 Wireless Programmable Digital Thermostat 1422867
  • Cooling Stages: 2
  • Heating Stages: 3
  • Specifications
  • Description
  • Documents
  • Type: Digital, 7/5/2 Day Programmable, Wireless, Auto/Manual Changeover, 3-Heat/2-Cool
  • Cover Type: Rectangular
  • Voltage Rating: 19 to 30 Volt AC at 60 Hertz
  • Current Rating: 260 Milliamp at 24 Volt AC
  • Power Rating: 40 to 60 Volt Amp
  • Temperature Rating: 30 to 99 Deg F, 45 to 95 Deg F (Set Point)
  • Size: 3.75 Inch Width x 0.99 Inch Depth x 5.32 Inch Height (Transmitter), 3.85 Inch Width x 1.78 Inch Depth x 4.55 Inch Height (Receiver)
  • Approval: NEC Class 2
  • Additional Information: Wireless Range 300 Foot; Wire Size 18 AWG Solid Copper; Humidity Rating 0 to 90 Percent RH (Non-Condensing); Shell Material Polycarbonate/ABS Plastic; Frequency Rating 433 Mega Hertz; Baud Rate 10 Kilobits per Second; Number of Channels 1 to 6; Terminals Designation C, R, W1/E, W2, Y1, G, O, B; Used On 1 or 2-Stage Heating and Cooling Equipment Gas/Electric/Oil or Hydronic Unit/1 or 2-Stage Compressor Heat Pump/NCM-300/BMPlus3000/UZC4 Ultra-Zone Control Panel; Includes (1) Lithium-Ion Battery 2000 mAh, (1) EWT 3900 Receiver, (1) USB Adapter Cable, (1) Wall Outlet Charger, (1) Tabletop Base, (1) Wall Mounting Plate, (6) Plastic Wall Anchors, (6) #8 x 1 Inch Screw, (1) TB-236 Technical Bulletin
The EWT-3900 7Day/5-2 Day Wireless Programmable Digital Solid State Thermostat uses a microcomputer to provide precise building temperature and fan control. This wireless thermostat allows additional flexibility to zoned heating and cooling systems where hard wired installations are prohibited or difficult to do.