Electronic Heater Controller Specification and Installation Instructions EHC-151229-ESA.docx Page | 1 Features • Microprocessor based • Complete with factory installed heat sink • Mounting on a plate or in a panel • SSR UL and CSA approved • Pulse status LED for servicing and troubleshooting • Setpoint range on controller (optional) EHC40-600-10X EHC56-600-10X EHC67-600-10X EHC20-600-30X EHC40-600-30X EHC56-600-30X EHC67-600-30X Models Model # Maximum AmperageNumber of Phases EHC40-600-10X 40 1 phase EHC56-600-10X 56 EHC67-600-10X 67 EHC20-600-30X 20 3 phases EHC40-600-30X 40 EHC56-600-30X 56 EHC67-600-30X 67 Common Specifications Specification Description Maximum Voltage 600 volts Power Supply 22 to 26 Vac 50/60Hz Power Consumption 2 VA Input 0 to 10 Vdc, 2 to 10 Vdc, 4 to 20 mA, pulse AC and DC, Neptronic ® resistive signal Operating Temperature 5ºC to 40ºC [41ºF to 104ºF] Relative Humidity 5 to 95% non condensing Setpoint Range Optional, 16ºC to 38ºC [61ºF to 100ºF] on controller Switching Zero voltage cross firing Weight 1.45 kg [3.2 lb] Mounting P = Assembled on a metal plate | B = Assembled in a metal box Dimensions EHC models assembled on a metal plate EHC models assembled in a metal box Dimension Inches (")Metric (mm) A 12.00 304.8 B 13.36 339.2 C 3.09 78.5 DimensionInches (") Metric (mm) D 13.50 342.9 E 14.76 374.8 F 5.00 127.0 AC B DF EElectronic Heater Controller Specification and Installation Instructions www.neptronic.com Page | 2 Mounting Instructions Affix the EHC directly on a wall or a ventilation duct with #5 screws. Terminal Descriptions Terminals Description Signal - Common + 24 Vac Supply 24 Vac G Common 24 24 Vac Supply Line voltage G Ground L1 Line 1 L2 Line 2 L3 Line 3 Load 1T1 Load line 1 1T2 Load line 2 1T3 Load line 3 Typical Applications EHC Duct heater Duct supply application with DS-100 sensor and internal set point (on EHC) OR Room application with modulating room thermostat TRO5404 (0 To 10 Vdc Modulating Output) OR Modulating signal from another system (0-10 Vdc, 2-10 Vdc, 4-20 mA, pulse AC & DC, Neptronic® resistive signal) SupplyNext >