Place chicken wings, carrot, celery, onion, garlic, thyme, bay leaf, peppercorns and salt into a 6-qt Instant Pot®. Stir in water to the max fill line, about 10 cups.
Select manual setting; adjust pressure to high, and set time for 45 minutes. When finished cooking, naturally release pressure according to manufacturer’s directions, about 20-30 minutes.
Strain stock through a fine-mesh sieve; discard solids. Skim any remaining fat from surface and discard; let cool completely.
Divide into airtight containers; place in refrigerator up to 3 days or freezer up to 3 months.