Control cabinets are often supplied with single phase ac at 220 440 550v or two phase ac at 220 440v ac or three phase ac at 330 550v.
Ac control panel wiring.
How to wire an air conditioner for control 5 wires the diagram below includes the typical control wiring for a conventional central air conditioning system furthermore it includes a thermostat a condenser and an air handler with a heat source.
Control panel wiring colour codes per en 60204 1 the choice of cable colour initially depends on what type of circuit it is and whether the voltage is ac or dc.
Air conditioning ac contactor control board 1 this diagram is to be used as reference for the low voltage control wiring of your heating and ac system.
A wiring diagram is a streamlined traditional photographic representation of an electrical circuit.
Assortment of electrical control panel wiring diagram pdf.
It shows the elements of the circuit as streamlined shapes and the power and signal links between the gadgets.
What do you use as standard colors on control panels with plc dc wiring and ac wiring mixed together ive seen lot of different colors on different control panels im in canada and i don t think there is a standard.
Always refer to your thermostat or equipment installation guides to verify proper wiring.
For low voltage dc wiring i presently use blue for all input dc wiring on plc orange on output wiring black for 0v red for 24v.
Ac and dc power circuits.