11/13/2023 0 Comments Pool electrical control panelIt doesn’t matter which wire goes to which terminal. The green ground wire connects to the green ground screw, and the other two power leads will connect to the two power terminals marked (usually) L1 and L2. When wiring a single speed pool pump motor of either voltage, 3 wires bring power from the breaker, timer or switch, and connect to the terminal board of the motor. Aboveground pool pumps are often 115V only, wired with a power cord, and plugged into a GFCI outlet. These motors will come ready to accept 220V, if you want to switch it to 110V, follow the label diagram to reverse the voltage. Reversible means that the pump motor can accept either 110V or 220V. Inground pool pumps are commonly reversible in voltage, with the exception of pumps 2hp or greater, which require 220V. Gas pool heaters will also typically have conduit from the time clock, to carry power into the heater, whereas pool heat pumps will require a dedicated breaker, of substantial amperage, usually 30-50 amps. After 20 years of service, the conduit, (also called Liquid Tight), and the connectors may crack and expose the wires and motor to moisture. This ‘wire harness’ is the (usually) flexible conduit that encases the wires that lead from the timer clock or switch to the pool pump motor. In particular, the wire harness that connects to the pump will need replacement after a number of years. If any wires are exposed or protective casings or housings cracked, it’s time to do something. Use caution and common sense when operating your equipment. Exposed wiring behind the missing Intermatic Insulator Cover in a timer clock, can easily throw 220 volts onto wet (or dry) fingertips. Loose wiring and cover plates, broken conduit and connections can be hazardous. Remember that water, weather and electricity have never been friends. Older, simpler pools may simply have a switch to turn the filter pump on, and perhaps a switch for the underwater light. This sub-panel is tied into the main panel inside the house, which provides its power. Most modern pools will have a sub-panel at the equipment pad that houses the breakers for the electrical equipment such as the filter pump, air blower, underwater lights, electrical outlet (GFCI), time clocks, electronic heater, automatic cover, control systems, etc.
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