Stuart G. McCrady, in Designing SCADA Application Software, 2013. 5/8” stop close normally open dimensions wiring 3bxt exterior control station 5-3/4” 2-3/4” 2-1/2” o nema 3r, 4, 12 o surface mount o fully guarded o three button control (open-close-stop) o button: 12 amp @ 600vac o double pole contacts: open: normally open & normally closed Install fan remote operator station(s) if desired (page 13). Install sensors (page 17). show the control circuits only - power circuits are omitted for clarity, since they can be traced readily on the wiring diagrams (heavy lines). A wiring diagram is a simplified traditional photographic depiction of an electric circuit. HAND-OFF-AUTOMATIC CONTROLS Recognize hand-off-automatic switches on a schematic diagram. See image below for an example of 3 wire control being used to pull in a contactor to start a 3 phase motor. Each button has two connections, one on each side of the button. This is the common side of the 3-button control stations that wires to the common terminal of the operator. Ex d local control boxes. Contains all the essential Wiring Diagrams across our range of heating controls. Next, any Class 1 wiring (above 30 VAC) must be installed by a licensed elec-trician. These attributes of DCS can be observed in its architecture shown in the diagram below. Call Station Wiring, 4201BV – Dated 091103 Call Station, Weatherproof Wiring, 4202VMW – Dated 120420 Control Panel Internal Wiring Harness Diagram, #90027-13 For proper connection of the three button station refer to wiring diagram in lid of operator. remote control station wiring remote accessory wiring When a remote control station is to be installed, it A seven point terminal strip, 2TB, is provided for must be connected to a 3SRC2000 or 3SRC2001 series connection of leads from remote accessories. Front View Diagram Wire “F” Used with Local Control Pushbuttons AC Lines Forward ... Terminal on the Remote Control Station and the Number 96 1 1 AC Lines (All Other Wiring Remains as Shown in Figure 1.) Use 18 AWG wire for control station connections. Optional wiring diagrams are on subsequent pages. 2T1 – Black wire 6T3 – White wire Ground bus bar – Green wire Connecting VFD Cable NOTE: Make sure the ... station away from the machine. Eaton’s mission is to improve the quality of life and the environment through the use of power management technologies and services. Another electrical design consideration for smoke control systems that may be even more important than providing standby power is the overall fire protec tion design of the electrical system. The 3-button control stations has three buttons open close and stop. CHAPTER 11 SEWER PUMP STATION ELECTRICAL 62 5. Thermostats. The circuit shown in Figure 27–1 permits a motor to be operated by a float switch or to be run manually. The Local Hand Station is an actuator control panel. Power terminals and control terminals, each shall have minimum of ¼” flat head set screws. Surge Suppressor 8. First, be sure to have a proven wiring diagram available for the particular situation you are wiring. station labeled open-close-stop. Now that the circuit logic has been developed in the form of a schematic diagram, a wiring diagram will be drawn from the schematic. 5. Control equipment for panel mounting. Ex e control boxes that can be configured to your exact requirements. station plus an additional 25% capacity for future loads, with a minimum output current rating of 30 amps. At this time also mount warning placard supplied in hardware box next to three button station. PCEC Delta Connection, Power and Motor Wiring : WS-401-0001: PCS Softstarter 003-85A Typical: WS-501-0001: PCS Softstarter 108-480A Typical: PF Manual: PF Sofstarter, Soft Stop, Pump Control and Braking : WS-601-0001: PFS Softstarter Typical 9. The most current wiring diagram is located within the terminal compartment. Single Line Diagram of 11kV Substation Substation provides the energy supply for the local area in which the line is located. Control relays shall be plug-and socket solid state with indicator light manufactured by Square D, Allen Bradley, or G.E. It shows the parts of the circuit as simplified shapes, as well as the power as well as signal links between the devices. If the volt-ages are different, it is called Separate Control. See wiring diagrams in manual. 2.05 Control Relays & Pump Controller: All control relays shall be of the illuminated 8 or 11- Automatic electrical pump alternator 6. Hand-off-automatic controls are used to permit an operator to select between automatic or manual operation of a motor. L1 L2 L3 Pump Start Wiring Wiring a pump start is easily accomplished if you follow a few basic steps. 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