How to Roast 20 Coffee Beans on the Apollo ICAFFEE N901CR

Published: Oct 04, 2026 Author: World Gafei Last Updated: Oct/04/2026 218 views

Master home roasting with the ICAFFEE N901CR: optimal batch sizes, timing, and profiles for 20 single origins, from Yirgacheffe to Panamanian honey.

Home roasters often ask: How much coffee should I load? How long to roast? What’s the best way to bring out flavor without overcomplicating things? The Apollo ICAFFEE N901CR answers those questions—if you know how to use it right. This electric hot-air roaster maxes out at 150g per batch, but smart loading and timing make all the difference.

The sweet spot is 60%–80% of capacity—about 90g to 120g. That ensures even heat distribution whether you’re roasting Ethiopian Yirgacheffe or Guatemalan elephant beans. For most home setups, that range gives you the best balance of speed, airflow, and roast consistency.

Why Roast Capacity Matters

The ICAFFEE N901CR can technically handle 150g, but origin matters. A dense Ethiopian Yirgacheffe will roast more evenly at 150g than a large, porous Guatemalan 23-eye elephant bean. Uneven batches can create odd pockets of under- or over-roasted beans—even in high-end machines. For beginners, sticking to 60%–80% (90–120g) helps avoid those pitfalls while still producing great results.

How to Roast: Simple Rules for Better Flavor

Forget chasing perfect curves. This is a home roaster, not a commercial drum machine. Set a max temperature, control time, and let the machine do the rest. Comparing electric heat to gas is pointless—they create different flavor profiles. Electric roasts tend to be cleaner and brighter; gas can add deeper, smokier tones. Choose your fuel, then work within its strengths.

For high-quality beans, go high heat and short time—like 9 on the dial for 10 minutes. That preserves delicate floral and fruity notes. Lower-grade beans benefit from lower heat and longer roast times (around 7 or 8 for 12–14 minutes), which helps mellow harsh or earthy flavors. Most home roasters prefer fast roasts on quality beans, which highlight intense, layered flavors without needing pro-level equipment.

How the ICAFFEE N901CR Works

Start by pressing the preheat button. It beeps when ready. Load your beans, select a power level, and let it run. Each number on the dial corresponds to a set roast time. The factory settings deliver even color and balanced flavor. For more control, use a stopwatch and roast at levels 7 to 9. You can stop manually by holding the power button or lifting the lid. Just watch bean color and listen for the first and second cracks.

Important: Reduce power for smaller batches. At around 50g, dial back to level 6. Most users roast 100g for 10–12 minutes. That’s a solid sweet spot for clarity and body.

Loading the Right Amount

The N901CR’s 150g limit isn’t just a number—it’s about airflow and heat penetration. At full capacity, dense beans like Yirgacheffe roast fine, but big beans like Guatemalan 23-eye elephants may roast unevenly. That doesn’t mean bad coffee—but for evenness, especially for newer roasters, 60%–80% capacity (90–120g) helps achieve consistent results. Evenness isn’t everything: some great cups come from uneven roasts, but uniformity makes flavor more predictable.

Also worth noting: the built-in smoke filtration system is a game-changer. No choking fumes—just a sweet, milky aroma in the room. Other machines, like Taiwan’s Little Train roaster, offer similar features. Indoor roasting becomes far more pleasant with filtered smoke.

What 20 Coffee Beans Look Like When Roasted on the N901CR

Here’s a visual tour of how the ICAFFEE N901CR handles a wide range of origins and processing methods. These aren’t necessarily the “best” roasts—some beautiful batches taste average, others look rough but shine in the cup. Use these photos as a rough guide, not a target.