Answer
Can the Generac GP3500iO run Amana AMND501BW dehumidifier, about 50 pints/day?
Runs
Runs. Running draw 485 W fits within 3,000 running watts. Startup watts were not published; 3,500 starting watts is at least 3× the running draw, the common planning allowance for a compressor or pump start.
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The comparison
| Generac GP3500iO | Amana AMND501BW dehumidifier, about 50 pints/day | |
|---|---|---|
| Running watts | 3,000 W | 485 W |
| Starting / surge watts | 3,500 W | Not published |
| Type | inverter, Gasoline | Cooling |
| Published runtime | 11 hr at 25% load, 8 hr at 50% load | |
| Sources | Generator source | Appliance source |
Questions
Can the Generac GP3500iO run Amana AMND501BW dehumidifier, about 50 pints/day?
Runs. Running draw 485 W fits within 3,000 running watts. Startup watts were not published; 3,500 starting watts is at least 3× the running draw, the common planning allowance for a compressor or pump start.
What watts were compared?
Generator: 3,000 running W and 3,500 starting W on gasoline. Appliance: 485 W running, startup not published.
How long will it run?
Fuel runtime depends on total load. Published runtime: 11 hr at 25% load, 8 hr at 50% load.
Where did the numbers come from?
Generac spec sheet (7128): 3000 W running, 3500 W starting; L5-30R with 30A breaker; 2.37 gal; 11 hr at 25%, 8 hr at 50%. ENERGY STAR lists 49.43 pints/day, integrated energy factor 2.01 L/kWh, and 520 kWh/year. Operating draw at the rated test condition is (49.43 × 0.473176 L/pint ÷ 24 h) ÷ 2.01 L/kWh × 1,000 = 485 W. That is the draw while it is removing water at the rated rate, not a whole-year average. Startup watts are not published.
Safety first
- Run a generator outdoors only, at least 20 feet from the house, with the exhaust pointed away from doors, windows and vents. Never in a garage, basement, shed or crawlspace, even with the door open.
- Carbon monoxide is odorless and can kill in minutes. Keep battery CO alarms working inside the home.
- Never backfeed a house by plugging a generator into a wall outlet or dryer receptacle. It can energize utility lines and kill a lineworker or a neighbor.
- Connecting to home wiring requires a transfer switch or a listed breaker interlock with a power inlet box, installed by a licensed electrician and permitted where your jurisdiction requires it.