Split System Heat Pump Wiring Diagram

14 thoughts on how to wire up a mini split air conditioner or heat pump kristin september 1 2020.

Split system heat pump wiring diagram.

In heat pump system there are at least 8 wires that need to be connected to the thermostat for proper operation. Mini split systems have specific wire gauge thickness requirements and the difference between the right and wrong electrical wire can be dangerous. Also look for connecting wire that is rated for sun exposure and ul listed. I have a mr cool diy mini.

Ac heat pump with standard air handler and single stage electric backup heat standard heat pump thermostat heat pump condenser 24 volt fan only operation common air conditioning heat pump reversing valve electric backup heat low voltage connection some ac systems will have a blue wire with a pink stripe in place of the yellow or y wire. Additional articles on this site concerning thermostats and wiring can help you solve your problem or correctly wire a new thermostat. It shows the elements of the circuit as simplified shapes and the power as well as signal links between the devices. In this installation video i show how to wire in a mini split air conditioner and heat pump system.

When shopping for connecting wire be sure to get quality wire that is the proper gauge. I m pretty sure i messed up. Heat pump thermostat wiring a typical wire color and terminal diagram as shown in the diagram you will need to power up the thermostat and the 24v ac power is connected to the r and c terminals. At first i ran a 12 2 wire from the breaker box to the condensing unit and i was told to use a 10 2 instead.

It sucks because i already buried the line in conduit. It reveals the elements of the circuit as simplified shapes as well as the power as well as signal connections between the gadgets. A wiring diagram is a streamlined traditional photographic representation of an electrical circuit. Heat pump thermostat wiring chart diagram hvac the following graphics are meant as a guide only.

I go over how to connect the power wires from the discon. Always follow manufacturers instructions for both the thermostat and the hvac system. A wiring diagram is a simplified traditional pictorial depiction of an electrical circuit.