In a small bowl, mix together the soy sauce, honey, vinegar, and water.
In another small bowl, reserve about half of the maple mixture.
In the bowl of remaining mixture, add the salmon fillets and coat well.
Cover the bowl and refrigerate to marinate for about 2 hours.
Grease the Air Fryer Basket with cooking spray and then slide inside.
Adjust the temperature of Air Fryer to 355 °F to preheat for 5 minutes.
After preheating, arrange the salmon fillets into the greased Air Fryer Basket in a single layer.
Slide the basket into Air Fryer and set the time for12 minutes.
While cooking, flip the salmon fillets once halfway through and coating with the reserved marinade.
After cooking time is finished, remove the salmon fillets from Air Fryer and serve.