Lockout Relay Wiring Diagram Hvac Unit

Factory wiring is in accordance with national electrical code nec.

Lockout relay wiring diagram hvac unit. 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. Variety of hvac fan relay wiring diagram. All units except 460 v 3 ph 60 hz use motor master control carrier part no. It reveals the parts of the circuit as streamlined shapes and the power as well as signal connections between the devices.

This video is part of the heating and cooling series of training videos made to accompany my websites. Not suitable for use on systems exceeding 150 volts to. It normally shows only what the terminal board connections are and very rarely will it include any internal wiring of the unit. 12 power wiring must comply with all local and national requirements.

Moreover the heat source for a basic ac system can include heat strips for electric heat or even a hot water coil inside the. Use copper conductors only. This is a tool that is used primarily by the installing contractor. Wiring diagrams index units produced after 03 31 03.

Central air conditioner wiring diagram central air conditioner wiring diagram collection carrier air conditioning unit wiring diagram fresh ac unit. 44 electroswitch 180 king avenue weymouth ma 02188 tel. This one demonstrates how the lockout relay circuit works. Lor lockout relay.

Install snap acting hvac relays from grainger in any position for remote control of air conditioning heating and ventilation systems. Control fans blowers motors up to 1 1 2hp tools and other electrical devices within ratings. The third and last type of diagram is the installation diagram. 1 and 2 1.

Figure 3 is a typical installation diagram for a residential cooling system.