Electronic Heater SCR Controller Specification & Installation Instructions EHS-120315 1 Technical Data EHS45-600-10 EHS22-600-30 EHS45-600-30 Number of Phase 1 phase (1 SSR - 1 heat sink) 3 phases (2 SSR - 1 heat sink) 3 phases (2 SSR – 2 heat sink) Max Amperage 45 amps 22.5 amps 45 amps Max. Power Voltage 600 volts Control Voltage 22 to 26 Vac 50/60 Hz Power Consumption 2 VA Input 0 -10 Vdc, 2-10 Vdc, 0-20 mA, 4-20 mA, pulse AC & DC or 1 to 4 stages Operating Temperature 0ºC to 80ºC [32ºF to 176ºF] Relative Humidity 5 to 95 % non condensing. Switching Zero voltage cross firing Dimensions 1 phase 45 amps max (EHS45-600-10) 1SSR – 1 heat sink – 45 amps max 1 2 3 4 5 6 7 ON OFF 1 2 Center line 1.70'’ 1.50'’ 1.14'’ 3.437'’ 2.362'’ 1.30'’ 2.20'’ 4.75'’ 1.75'’ 2.29'’ 3.94'’ 0.80'’ 3 phases 22.5 amps max (EHS22-600-30) 2SSR – 1 heat sink – 22.5 amps max ON OFF 1 2 Center line 1.70'’ 1.50'’ 1.14'’ 3.437'’ 2.362'’ 1.30'’ 2.20'’ 4.75'’ 1.75'’ 2.29'’3.94'’ 0.80" 3 phases 22.5 to 45 amps (EHS45-600-30) 2SSR – 2 heat sinks – 45 amps max For detail dimensions, please refer to EHS45-600-10 dimensions 1 2 3 4 5 6 7 ON OFF 1 2 4.75'’1.75'’2.20'’ 4.75'’ 10.50" 3.94" 3.437" Recommended attachment screws for heat sink on 0.05” thickness metal plate: 10-32 x ¼”, Pan Phil, machine screw, (quantity 2 per heat sink) Features: • Microprocessor based. • Complete with factory installed heat sink • SSR is UL & CSA approved and CE certified • Pulse status LED for servicing & trouble shooting • Available in 1 phase or 3 phases application • Selectable digital or analog signal • Up to 4 stages in digital mode EHS45-600-10 EHS22-600-30 EHS45-600-30 EHS Specification & Installation Instructions 2 Terminal Description Digital Signal Signal Terminals Description Digital 1 Stage or TPM (minimum period 1 sec.) 1 Common 2 24 Vac 6 100% Digital 2 Stage 1 Common 2 24 Vac 4 50% 6 100% Digital 3 Stage 1 Common 2 24 Vac 3 25% 4 50% 6 100% Digital 4 Stage 1 Common 2 24 Vac 3 25% 4 50% 5 75% 6 100% For example, digital 3 stage (3 phases shown below, for single phase, only L1 & T1 are used): 24 Vac Out1 Common 24 Vac 1 2 3 4 5 6 7 ON OFF 1 2 L1T1 L2T2 2nd SSR on 3 phase models only To load (controlled leg) To load (controlled leg) 24 Vac Out2 24 Vac Out3 To load (uncontrolled leg) L3 EHS Specification & Installation Instructions 3 Terminal Description Analog Signal Signal Dip Switch Configuration Terminals Description 1 2 Analog 0-10 Vdc ON OFF OFF OFF 1 Common 2 24 Vac 7 Modulating signal 0-10 Vdc ouput Common 24 Vac 1 2 3 4 5 6 7 ON OFF 1 2 L1T1 L2T2 2nd SSR on 3 phase models only To load (controlled leg) To load (controlled leg) To load (uncontrolled leg) L3 Signal Dip Switch Configuration Terminals Description 1 2 Analog 2-10 Vdc ON OFF OFF ON 1 Common 2 24 Vac 7 Modulating signal 2-10 Vdc Common 24 Vac 1 2 3 4 5 6 7 ON OFF 1 2 L1T1 L2T2 2nd SSR on 3 phase models only To load (controlled leg) To load (controlled leg) To load (uncontrolled leg) L3 EHS Specification & Installation Instructions 4 Signal Dip Switch Configuration Terminals Description 1 2 Analog 0-20 mA ON OFF ON OFF 1 Common 2 24 Vac 7 Modulating signal + - 1 2 3 4 5 6 7 ONOFF 1 2 L1T1 L2T2 2nd SSR on 3 phase models only To load (controlled leg) To load (controlled leg) 0-20 mA To load (uncontrolled leg) L3 Signal Dip Switch Configuration Terminals Description 1 2 Analog 4-20 mA ON OFF ON ON 1 Common 2 24 Vac 7 Modulating signal + - 1 2 3 4 5 6 7 ONOFF 1 2 L1T1 L2T2 2nd SSR on 3 phase models only To load (controlled leg) To load (controlled leg) 4-20 mA To load (uncontrolled leg) L3 Next >