AC & Furnace Thermostat Wiring (Diagram & How To Guide) May 24, 2022A heat pump can go many ways, and it is essential to know what type you have for the correct wiring. For example, some heat pumps require supplemental heat or have reverse valve control for heating, cooling, or both. Multi-zone systems and single-stage systems will also have different wiring. Amazon: SoftStartRV Air Conditioning Soft Start Kit - RV May 31, 2020Senville SENA-18HF/D Dual Zone Mini Split Air Conditioner Heat Pump, 18000 BTU, Works with Alexa, White The a/c heat pump circuit diagram was attached to the inside of the cover.I went to the SoftStart website to look for a wiring diagram that matched my diagram. Unfortunately, none of the available examples matched mine.