HVAC Products Bypass Packages for SED2 HVAC Drives
Bypass Packages for SED2 Variable Frequency Drives Bypass Power Features By-pass • 2 Contactor – Output & Bypass Input Device - Overload protection in bypass mode Input Device - Step down transformer with fused primary and secondary Drive Drive Motor Motor 2 Contactor 3 Contactor - Contactors electrically and mechanically interlocked • 3 Contactor (optional)– Input, Output & Bypass - provides drive test - provides complete electrical isolation of drive Input Device Reactor Options • Disconnect
Frame Sizes Dimensions: inches (mm) Frame Size A and B C D E F Height 36.0 (914) 49.0 (1245) 57.5 (1461) 66.5 (1689) 60.0 (1524) Width 12.0 (305) 12.0 (305) 18.0 (457) 18.0 (457) 48.0 (1219) Depth 8.3 (211) 9.7 (244) 11.3 (287) 11.3 (287) 17.0 (432) Mounting Hole Dimensions Dimensions: inches (mm) 12 (304.8) 12 (304.8) 12 (304.8) 12 (304.8) 12 (304.8) 12 (304.8) 12 (304.8) 5.5 (139.7) 5.5 (139.7) 12 (304.8) 9.5 (241.3) 11 (279.4) 11 (279.4) Frames A and B Frame C 17 (431.
Bypass – Door Mounted Control Devices 2 Contactor Units 3 Contactor Units • “Drive-Off-Bypass” selector • “Drive-Off-Bypass” selector • “Bypass” pilot light • “Bypass” pilot light • “Drive Test on/off” selector VFD and Bypass Part Number Configuration Guide V B A 3 4 0 Model(s) VFD with bypass VB Series Conventional Control A Votage 208 V 1 230 to 240 V 2 380 to 480 V 3 500 to 600 V 4 HP rating 0.5, 0.7, 1.0, 1.5, 2.0, 3.0, 4.0, 5.0, 7.5, 10., 15., 20., 25., 30., 40., 50., 60., 75.
Power Connection Diagram Control Logic Diagram (Typical 120V circuit)
Siemens Building Technologies Inc. HVAC Products 1000 Deerfield Parkway Buffalo Grove, IL 60089-4513 Tel. 847-215-1000 Siemens Building Technologies Ltd. 2 Kenview Blvd. Brampton, Ontario Canada L6T 5E4 Tel. 905-799-9937 www.sbt.siemens.com HVAC Products All trademarks and registered trademarks are the sole property of their respective owners. Specifications subject to change without notice.
