The circuit shown in figure 271 permits a motor to be operated by a float switch or to be run manually. When wiring a 2 way switch circuit all we want to do is to control the black wire hot wire to turn on and off the load.
Motor Connections
Hoa switch wiring diagram. Hand off automatic controls recognize hand off automatic switches on a schematic diagram. Instead properly understanding location of control and mode of control can solve the issue. Well discuss the devices that make up a hand off auto circuit and how. 3 way switched outlet wiring. This site is merely. Black wire power or hot wire white wire neutral bare copper ground.
In this lesson well examine a common industrial application of 2 wire control circuits known as a hand off auto circuit. Control wiring sinking and sourcing npn pnp devices and plc inputs. Multiple uses of the hoa designation for the same device is a recipe for confusion both switches are labeled with the same function which makes it unclear exactly how the motor is going to be started. Wiring diagrams do not show the. This simple diagram below will give you a better understanding of what this circuit is accomplishing. Wiring diagram book a1 15 b1 b2 16 18 b3 a2 b1 b3 15 supply voltage 16 18 l m h 2 levels b2 l1 f u 1 460 v f u 2 l2 l3 gnd h1 h3 h2 h4 f u.
Wiring diagrams m c w bulletin 600 bulletin 600 manual starting switches are designed for starting and protecting small ac and dc motors rated at 1 hp or less where undervoltage protection is not needed. This circuit is wired the same way as the 3 way lights at this link. How to wire a hoa hand off auto control circuit. Fiber optic cable electrical connections boundary seal to be in accordance with article 501 5. Control wiring 3 wire control start stop circuit. The source is at the sw1 where the hot is connected to.
Control wiring 2 wire control onoff circuit. The switch is shown as a single pole. This light switch wiring diagram page will help you to master one of the most basic do it yourself projects around your house. They are operated by a toggle lever mounted on the front of the switch. In this diagram two 3 way switches control a wall receptacle outlet that may be used to control a lamp from two entrances to a room. Start fiber optic transceiver class 9005 type ft fiber optic push button selector switch limit switch etc.
Wiring a single pole light switch. Hand off automatic controls are used to permit an operator to select between automatic or manual operation of a motor. Hey doing it yourself is great but if you are unsure of the advice given or the methods in which to job is done dont do it. Control wiring series and parallel wiring. Industrial switch types toggle push button selector switch etc. Three wire cable runs between the switches and the outlet.
Gallery of Hoa Switch Wiring Diagram
