Answer
Can the FIRMAN T07571 Tri Fuel run Frigidaire FHDD2233Y1 dehumidifier, about 22 pints/day?
Runs
Runs. Running draw 258 W fits within 7,500 running watts. Startup watts were not published; 9,400 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
| FIRMAN T07571 Tri Fuel | Frigidaire FHDD2233Y1 dehumidifier, about 22 pints/day | |
|---|---|---|
| Running watts | 7,500 W | 258 W |
| Starting / surge watts | 9,400 W | Not published |
| Type | open-frame, Tri fuel (gasoline/propane/natural gas) | Cooling |
| Published runtime | Up to 12 hr at 25% load | |
| Sources | Generator source | Appliance source |
Questions
Can the FIRMAN T07571 Tri Fuel run Frigidaire FHDD2233Y1 dehumidifier, about 22 pints/day?
Runs. Running draw 258 W fits within 7,500 running watts. Startup watts were not published; 9,400 starting watts is at least 3× the running draw, the common planning allowance for a compressor or pump start.
What watts were compared?
Generator: 7,500 running W and 9,400 starting W on gasoline. Appliance: 258 W running, startup not published.
How long will it run?
Fuel runtime depends on total load. Published runtime: Up to 12 hr at 25% load.
Where did the numbers come from?
FIRMAN spec card: gasoline 9400 / 7500; LPG 8450 / 6750; natural gas 6900 / 5500; L14-30R, 14-50R, L5-30R, 5-20R GFCI; 8 gal; up to 12 hr at 25%. ENERGY STAR lists 22.27 pints/day, integrated energy factor 1.70 L/kWh, and 276 kWh/year. Operating draw at the rated test condition is (22.27 × 0.473176 ÷ 24) ÷ 1.70 × 1,000 = 258 W. 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.