Hello everyone,

I’m using a Deye 20 kW hybrid inverter. This inverter has backup, home load, and smart load outputs.

Here’s what I’d like to know:

I want to use solar power and the batteries only through the backup output. For my air conditioners, I want them to run on PV + grid power only, without drawing any power from the batteries. When solar generation completely stops, I want them to switch to grid power automatically.

How can I configure this setup? Is it possible to achieve this?

On 2025/10/20 at 1:03 PM, Macarxp said:

Hello everyone,

I’m using a Deye 20 kW hybrid inverter. This inverter has backup, home load, and smart load outputs.

Here’s what I’d like to know:

I want to use solar power and the batteries only through the backup output. For my air conditioners, I want them to run on PV + grid power only, without drawing any power from the batteries. When solar generation completely stops, I want them to switch to grid power automatically.

How can I configure this setup? Is it possible to achieve this?

You simply install the aircons on non essentials, ie not on the inverter.

The deye can supply solar power to these appliances using the CT clamp. So the aircons will be on grid power and also recieve solar.

15 minutes ago, tony Lampard said:

It might be easier to do this with 2 heat pumps - 1 DC fed directly from a dedicated set of panels, not through the inverter. Vehicle industry tech leveraged in this area perhaps - could tech and low costs. The varying voltage coming from the PV will be a variable speed drive. The AC from the grid control circuit only brings this heat pump in if the solar is iffy. However there is another approach. During extreme heat stress, try taking several slow, deep breaths of cool air (from an air-conditioned room, refrigerator, or even a container with ice). The massive surface area of your lungs (~70-100 m²) can rapidly cool blood flowing through the pulmonary system, potentially triggering your body's cooling response. This technique is already used in mine rescue operations and by athletes. It's not a substitute for proper hydration and seeking cool shelter, but it may provide rapid relief in emergencies.

Low-barrier DIY approaches people could try:

·         Breathing through a damp cloth stored in a cooler

·         Simple tube connected to a small ice chest

·         Standing near refrigerator/freezer and taking deep breaths

·         AC vent breathing during heat waves

Caveats to include:

·         Don't breathe extremely cold air rapidly (risk of bronchospasm)

·         Not a replacement for standard heat safety measures

·         Seek medical help for severe heat stress symptoms

 

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