Hand off automatic controls are used to permit an operator to select between automatic or manual operation of a motor. They are operated by a toggle lever mounted on the front of the switch.
Hand Off Auto Wiring Diagram General Wiring Diagram
Hoa switch wiring diagram. Start fiber optic transceiver class 9005 type ft fiber optic push button selector switch limit switch etc. Control wiring sinking and sourcing npn pnp devices and plc inputs. The source is at the sw1 where the hot is connected to. 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. How to wire a hoa hand off auto control circuit. 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 a single pole light switch. This circuit is wired the same way as the 3 way lights at this link. This simple diagram below will give you a better understanding of what this circuit is accomplishing. Control wiring series and parallel wiring. Control wiring 3 wire control start stop circuit. Fiber optic cable electrical connections boundary seal to be in accordance with article 501 5.
Black wire power or hot wire white wire neutral bare copper ground. 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. 3 way switched outlet wiring. Hand off automatic controls recognize hand off automatic switches on a schematic diagram. The circuit shown in figure 271 permits a motor to be operated by a float switch or to be run manually. The switch is shown as a single pole.
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. Control wiring 2 wire control onoff circuit. Instead properly understanding location of control and mode of control can solve the issue. This site is merely. This light switch wiring diagram page will help you to master one of the most basic do it yourself projects around your house. Three wire cable runs between the switches and the outlet.
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. Industrial switch types toggle push button selector switch etc. 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. Well discuss the devices that make up a hand off auto circuit and how. In this lesson well examine a common industrial application of 2 wire control circuits known as a hand off auto circuit. Wiring diagrams do not show the.
Gallery of Hoa Switch Wiring Diagram
