Master Control Wiring Diagram

A master valve is a normally closed valve installed at the supply point of the main line that opens whenever a zone is operating it is normally labeled m mv or pump please note master valves should only be wired to the m and c terminals.
Master control wiring diagram. The top diagram shows the way in which fender wires its volume control. Lighting in public buildings such as hospitals schools colleges is often controlled in such a way that a caretaker can lock the lights off or on or leave them under the control of the normal circuit switches master switches should be located in an area such as a caretakers supervisors office which is not accessible to the public. Master controller reverse cycle defrost systems are designed to control master bilt made condensing units and evaporators for freezer and cooler applications. By this wiring we can switch on and off individual lamp and by master switch we can on and off all lamp at same time.
208 230 60 1265 60 1. Each system contains a condensing unit evaporator s with master controller board s electric expansion valve s pressure transducers temperature sensors. Master valve wiring not all systems have a master valve. In this video we explain hostel wiring with master switch or emergency switch.
Master control house wiring diagram wiring diagram is a simplified gratifying pictorial representation of an electrical circuit. 0140ct9201 pdf 2 1 mb 2 1 mb. Fender generally uses 250k pots and 02 mfd capacitors. Star delta y δ 3 phase motor starting method by automatic star delta starter with timer.
Three phase motor power control wiring diagrams three phase motor connection schematic power and control wiring installation diagrams. Led dip umcb 01 ctrl wiring umcb 01 ctrl. The bottom diagram shows the wiring that gibson uses for its volume controls. Wiring diagram 6103 universal gate board function.
It shows the components of the circuit as simplified shapes and the capacity and signal associates amongst the devices. This book contains examples of control circuits motor starting switches and wiring diagrams for ac manual starters drum switches starters contactors relays limit switches and lighting contactors.