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Technical Specifications
Gas 320 620 Ace
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Technical Specification
Model | 285/5 | 335/6 | 430/7 | 500/8 | 575/9 | 565/10 |
|---|---|---|---|---|---|---|
| Performance | ||||||
| Nominal heat output central heating operation @ 80/60°C kW (min-max) | 51.1-260.7 | 64.8-326.7 | 78.6-394.8 | 91.5-461.0 | 105.5-530.4 | 118.7-600.9 |
| Nominal heat output central heating operation @ 50/30°C kW (min-max) | 278.8 | 350.3 | 424.5 | 497.1 | 573.5 | 651.5 |
| Nominal input (Hi) (min-max) | 54-266 | 68-333 | 82-402 | 95-469 | 109-539 | 122-610 |
| Efficiency | ||||||
| SBEM seasonal efficiency GCV | 96.48 | 96.34 | 96.19 | 96.05 | 95.89 | 95.75 |
| Efficiency – full load 100% NCV | 98% | 98.1% | 98.2% | 98.3% | 98.4% | 98.5% |
| Efficiency – part load 30% NCV | 109.2% | 109% | 108.8% | 108.6% | 108.3% | 108.1% |
| Seasonal space htg Efficiency at nominal heat output | 88.3 | 88.4 | 88.5 | 88.6 | 88.6 | 88.7 |
| Seasonal space htg Efficiency at 30 % rated heat output | 98.4 | 98.2 | 98 | 97.8 | 97.6 | 97.4 |
| Gas | ||||||
| Standard fuel | Natural gas | Natural gas | Natural gas | Natural gas | Natural gas | Natural gas |
| Max gas consumption m<sup>3</sup>/h | 5.7 - 28.1 | 7.2 - 35.2 | 8.7 - 42.5 | 10.1 - 49.6 | 11.5 - 57.0 | 12.9- 64.6 |
| Min/max gas inlet pressure mbar | 17-25 | 17-25 | 17-25 | 17-25 | 17-25 | 17-25 |
| Flue* | ||||||
| Flue diameter mm I/D | 250 | 250 | 250 | 250 | 250 | 250 |
| Air inlet diameter mm I/D | 250 | 250 | 250 | 250 | 250 | 250 |
| Flue gas mass flow rate kg/h | 91-448 | 114-561 | 138-677 | 160-790 | 184-907 | 205-1027 |
| Flue gas temperature 0°C | 30-60 | 30-61 | 30-64 | 30-63 | 30-66 | 30-65 |
| Residual fan duty Pa | 130 | 120 | 130 | 150 | 150 | 150 |
| Hydraulics | ||||||
| Water content litres | 49 | 60 | 71 | 82 | 93 | 104 |
| Hydraulic resistance @ 40°C ΔT mbar (kPa) | 34 (3.4Kpa) | 33 (3.3Kpa) | 36 (3.6Kpa) | 33 (3.3Kpa) | 38 (3.8Kpa) | 39 (3.9Kpa) |
| Hydraulic resistance @ 30°C ΔT mbar (kPa) | 60 (6Kpa) | 59 (5.9Kpa) | 64 (6.4Kpa) | 59 (5.9Kpa) | 67 (6.7Kpa) | 69 (6.9Kpa) |
| Hydraulic resistance @ 20°C ΔT mbar (kPa) | 113 (11.3Kpa) | 110 (11.0Kpa) | 120 (12.0Kpa) | 110 (11.0Kpa) | 125 (12.5Kpa) | 130 (13.0Kpa) |
| Hydraulic resistance @ 11°C ΔT mbar (kPa) | 374 (37.4Kpa) | 364 (36.4Kpa) | 397 (39.7Kpa) | 364 (36.4Kpa) | 413 (41.3Kpa) | 435 (43.5Kpa) |
| Nominal flow rate @ 40°C ΔT l/s | 1.6 | 1.9 | 2.3 | 2.7 | 3.2 | 3.6 |
| Nominal flow rate @ 30°C ΔT l/s | 2.1 | 2.6 | 3.1 | 3.6 | 4.2 | 4.8 |
| Nominal flow rate @ 20°C ΔT l/s | 3.1 | 3.9 | 4.7 | 5.5 | 6.3 | 7.1 |
| Nominal flow rate @11°C ΔT l/s | 5.6 | 7.1 | 8.5 | 9.9 | 11.5 | 13.0 |
| Standard operating temperature °C | 20-90 | 20-90 | 20-90 | 20-90 | 20-90 | 20-90 |
| Max operating temperature °C | 90 | 90 | 90 | 90 | 90 | 90** |
| High limit temperature °C | 110 | 110 | 110 | 110 | 110 | 110 |
| Max water operating pressure bar | 7 | 7 | 7 | 7 | 7 | 7 |
| Min water operating pressure bar | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
| General | ||||||
| Dry weight kg without packaging incl. control box | 366 | 400 | 435 | 497 | 533 | 570 |
| Dimension (WxHxD) | 707x1550x1862 | 707x1550x1862 | 707x1550x1862 | 707x1550x2172 | 707x1550x2172 | 707x1550x2172 |
| NOx Annual Emissions EN15502 G20 | 43 | 43 | 44 | 45 | 46 | 47 |
| NOx Annual Emissions BREEAM G20 | 15 | 16 | 16 | 17 | 18 | 18 |
| Noise levels dB(A) at 1 metre | 55.7 | 55.7 | 55.7 | 55.7 | 55.7 | 55.7 |
| Electrical (excluding pump) | ||||||
| Nominal power supply | 230v-1ph-50hz | 230v-1ph-50hz | 230v-1ph-50hz | 230v-1ph-50hz | 230v-1ph-50hz | 230v-1ph-50hz |
| Power consumption w | 10-280 | 9-345 | 10-450 | 10-576 | 10-768 | 10-720 |
| Modulating input v dc | 0-10 | 0-10 | 0-10 | 0-10 | 0-10 | 0-10 |
| Start current amps | 4 | 4 | 4 | 4 | 4 | 4 |
| Fuse main (power connector) | 10 | 10 | 10 | 10 | 10 | 10 |
| Controls voltage | 24 (max 4va) | 24 (max 4va) | 24 (max 4va) | 24 (max 4va) | 24 (max 4va) | 24 (max 4va) |
| Insulation class IP | X1 | X1 | X1 | X1 | X1 | X1 |
| Run current amps | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 |
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