How to Roast 20 Coffee Bean Origins Using the ICOFFEE N901CR

If you're experimenting with home coffee roasting, one of your first questions is likely: How much coffee should I put in? And once it's in, what’s the best way to get a balanced, flavorful roast without overcomplicating things? The answers depend not just on your machine, but on bean origin, density, and roast style. Let’s break it down based on real results using the Apollo series ICOFFEE N901CR home roaster.

What’s the Best Roast Capacity for the ICOFFEE N901CR?

The maximum roast capacity of the ICOFFEE N901CR is 150g. However, for the most consistent and even roast, bird (the roaster behind this guide) recommends loading only 60%–80% of that capacity—that’s roughly 90g to 120g. This guideline works equally well for both home and pro-level drum roasters. Why? Because bean origin affects density and size. For example, 150g of Yirgacheffe roasts evenly, but the same load of Guatemalan Elephant beans (23) can struggle for uniformity due to larger, denser beans. That said, high-quality beans can still deliver great results even with minor inconsistencies—especially if you’re going for more complex, layered profiles.

How to Roast: Time, Temperature, and Technique

The ICOFFEE N901CR is designed for simplicity—not curve-chasing. bird advises against obsessing over complex roast curves. Instead, set a max temperature and control roast time to dial in flavor. He strongly discourages comparing electric roasters to gas-powered machines. They heat differently, and you won’t replicate gas flavors with electric, or vice versa. It’s a matter of style, not superiority.

For high-quality beans, go with high heat and short roast times—for example, power level 9 for around 10 minutes. This approach capitalizes on the clean profile of hot-air roasting, preserving delicate floral and fruity notes. Prolonged roasting tends to mute early-stage aromas like acidity and aroma. On the other hand, lower-grade beans benefit from a slower, lower-temperature roast—using reduced power and longer time to mellow out defects. But if you’re selecting quality greens, fast roasting (around 10–12 minutes for ~100g) yields dense, vibrant cups that can rival professional roasters.

How Does the ICOFFEE N901CR Control the Roast Process?

Here’s how the machine functions out of the box: press the power switch, then hit the preheat button before adding beans. Once preheating completes with an audible tone, load your beans, select your power level (each number correlates to a set roast duration), and start. The machine auto-stops when done. Using the factory defaults gives balanced, evenly colored beans with a well-rounded cup.

Want more customization? Use an external timer and manually select roast levels 7, 8, or 9 for more complex results. You can stop the roast early by holding the power button or lifting the lid. For smaller batches—say 50g—reduce the power level to 6. bird commonly roasts around 100g for 10–12 minutes. When reducing batch size, adjust the power accordingly to avoid scorching or uneven development.

What’s It Like to Roast on the ICOFFEE N901CR?

Beyond numbers, the ICOFFEE N901CR delivers a pleasant user experience. Its built-in automatic smoke filtration system eliminates harsh roasting fumes—resulting in a surprisingly sweet, milky aroma in your roasting space. It’s so effective that bird notes other machines like Taiwan’s (Xiao Huo Che) offer similar filtering with equally enjoyable indoor roasting. No choking smoke, just the comforting scent of toasting coffee. That feature alone makes home roasting far more enjoyable.

What Coffee Origins Were Roasted on the N901CR?

The article showcases roasted results for 20 different single-origin beans, each pictured after roasting. These include:

• French Guadeloupe Vanibel Plantation (Blue Butterfly)
• Madagascar
• Mandheling Peaberry
• Mexico Cassandra
• Ugandan Organic
• New Caledonia Kuanki Plantation (Rayol)
• Yirgacheffe
• Indian Emperor Washed Robusta
• Vietnamese Arabica
• Australia Hilltop (semi-washed)
• Panama El Hambra Farm (Harmont Estate)
• Peruvian Organic
• Indonesian Civet (Kopi Luwak)
• Bolivian Typica
• Guatemalan 23 (23 Mesh Elephant Bean)
• Colombia Hyland
• Costa Rica Wolf Estate Honey Process
• Guatemala Antigua
• Hawaiian Kona Peaberry
• Kenya AA

Keep in mind: some beans may look better roasted than they taste—and vice versa. These images are for reference only. As bird notes: “If I can roast it like this, so can you.”

Frequently Asked Questions

What’s the ideal roast capacity for the ICOFFEE N901CR?

The max capacity is 150g, but 60%–80% (approximately 90–120g) is recommended for even roasting. This also applies to most home and pro drum roasters. Larger or denser beans like Guatemalan Elephant may not roast as uniformly at full capacity.

Should I aim for a specific roast time or temperature?

Instead of complex roast curves, set a maximum temperature and control time. For high-quality beans, use high heat (e.g., power level 9) for around 10 minutes. Lower-grade beans benefit from low heat and longer roast times.

Does the ICOFFEE N901CR have smoke control?

Yes. It features an automatic smoke filtration system that minimizes fumes, making indoor roasting much more pleasant. The result is a sweet, milky smell rather than harsh smoke.

Can I customize the roast beyond the factory settings?

Definitely. While the default settings yield balanced results, you can use an external timer and choose higher power levels (7–9) for more complex roast profiles. You can also stop the roast manually or open the lid to drop the beans early.

How does bean origin affect roast uniformity?

Different origins have varying bean size and density. For instance, Yirgacheffe roasts evenly at 150g, while Guatemalan Elephant beans may not roast uniformly at the same load. Smaller batches help improve consistency, especially with denser beans.

What’s the typical roast time bird uses?

bird usually roasts around 100g of coffee for 10–12 minutes. For smaller batches (e.g., 50g), he reduces the power level to 6 to avoid uneven roasting or scorching.

FrontStreet Coffee Beans Ideal for Home Roasting

Try FrontStreet Coffee’s Ethiopia Yirgacheffe, known for its bright citrus, floral notes, and juicy body—perfect for highlighting the clean profiles achievable with the ICOFFEE N901CR. Also consider Colombia Huila Honey, with its heavy body, caramel sweetness, and berry tones, ideal for honey-process experimentation. Lastly, Kenya AA offers bold blackcurrant, winey acidity, and a juicy finish, great for testing shorter, hotter roasts. All three showcase the kind of origin complexity that responds well to precise home roasting. Freshly roasted within 5 days · Orders placed before 17:00 ship the same day · Next-day delivery across most of Guangdong Province.