Nominal storage capacity | litres | 191 | 293 | 503 | 759 | 902 |
Energy class | B | C |
Coil tube Ø | mm | 32 |
Lower coil surface area | m² | 0.4/0.6 | 0.9/1 | 1.4 | 1.8 | 3.0 |
Upper coil surface area | m² | 1.4 | 1.9/2.4 | 3.1/4 | 5.0 | 6.0 |
Coil maximum operating temperature/pressure | °C / bar | 110 / 12 |
Tank (secondary) maximum working temperature/pressure | °C / bar | 90 / 10 / 95 / 6 | 95 / 6 |
Weight (empty/full) | kg | 109 / 300 | 120 / 413 | 161 / 664 | 205 / 964 | 221 / 1123 |
Heat up time at 35°C ΔT (3kW immersion only) | hours | 1.5 | 2.3 | 4.1 | 6.3 | 8.0 |
Immersion heater option (power/phase) | kW / ph | 3 / 1 |
Standby loss at 65°C | kWh/24h | 1.31 | 1.53 | 2.15 | 2.53 | 2.57 |
|
Lower coil primary flow rate | l/s | 0.833 | 0.417 | 1.111 | 0.556 | 1.389 | 0.694 | 1.67 | 0.833 | 1.67 | 0.833 |
m³/hr | 3.0 | 1.5 | 4.0 | 2.0 | 5.0 | 2.5 | 6.0 | 3.0 | 6.0 | 3.0 |
Continuous DHW output @ 35°C ΔT (10/45°C) with primary 55°C on upper coil | l/h | 161 | 151 | 271 | 257 | 382 | 364 | 494 | 471 | 812 | 765 |
10 minute peak DHW draw off @ 35°C ΔT (10/45°C) with primary 55°C on upper coil and tank warmed @ 50°C | litres | 300 | 298 | 464 | 461 | 782 | 779 | 1167 | 1163 | 1424 | 1416 |
Recovery time DHW @ 40°C ΔT (10/50°C) full tank without draw off with primary 55°C on upper coil | minutes | 125 | 138 | 114 | 124 | 140 | 151 | 163 | 176 | 120 | 134 |
Nominal heat transferred by upper coil with primary 55°C and DHW @ 35°C ΔT (10/45°C) | kW | 6.6 | 6.2 | 11.1 | 10.5 | 15.6 | 14.8 | 20.1 | 19.1 | 32.9 | 31.0 |
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Upper coil primary flow rate | l/s | 0.833 | 0.417 | 1.111 | 0.556 | 1.389 | 0.694 | 1.67 | 0.833 | 1.67 | 0.833 |
m³/hr | 3.0 | 1.5 | 4.0 | 2.0 | 5.0 | 2.5 | 6.0 | 3.0 | 6.0 | 3.0 |
Continuous DHW output @ 35°C ΔT (10/45°C) with primary 55°C on upper coil | l/h | 370 | 343 | 637 | 591 | 1054 | 974 | 1322 | 1224 | 1568 | 1441 |
10 minute peak DHW draw off @ 35°C ΔT (10/45°C) with primary 55°C on upper coil and tank warmed @ 50°C | litres | 190 | 186 | 335 | 327 | 594 | 581 | 795 | 778 | 987 | 966 |
Recovery time DHW @ 40°C ΔT (10/50°C) full tank without draw off with primary 55°C on upper coil | minutes | 26 | 30 | 27 | 31 | 31 | 36 | 34 | 40 | 37 | 44 |
Nominal heat transferred by upper coil with primary 55°C and DHW @ 35°C ΔT (10/45°C) | kW | 15.0 | 13.9 | 25.8 | 23.9 | 42.7 | 39.4 | 53.5 | 49.5 | 63.4 | 58.2 |
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Continuous DHW output @ 35°C ΔT (10/45°C) with primary 55°C on lower & upper coil | l/h | 531 | 494 | 908 | 848 | 1436 | 1338 | 1816 | 1695 | 2380 | 2206 |
10 minute peak DHW draw off @ 35°C ΔT (10/45°C) with primary 55°C on lower & upper coil and tank warmed @ 50°C | litres | 490 | 484 | 799 | 788 | 1376 | 1360 | 1962 | 1941 | 2411 | 2382 |
Recovery time DHW @ 40°C ΔT (10/50°C) full tank without draw off with primary 55°C on lower & upper coil | minutes | 151 | 168 | 141 | 155 | 171 | 187 | 197 | 216 | 157 | 178 |
Nominal heat transferred by lower & upper coil with primary 55°C and DHW @ 35°C ΔT (10/45°C) | kW | 21.6 | 20.1 | 36.9 | 34.4 | 58.3 | 54.2 | 73.6 | 68.6 | 96.3 | 89.2 |
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Primary flow rate | l/s | 0.833 | 0.417 | 1.111 | 0.556 | 1.389 | 0.694 | 1.67 | 0.833 | 1.67 | 0.833 |
m³/hr | 3.0 | 1.5 | 4.0 | 2.0 | 5.0 | 2.5 | 6.0 | 3.0 | 6.0 | 3.0 |
Lower coil primary hydraulic resistance | kPa | 5.8 | 1.6 | 3.2 | 8.9 | 5.9 | 1.6 | 9.6 | 2.7 | 13.5 | 3.9 |
Upper coil primary hydraulic resistance | kPa | 11.0 | 3.2 | 5.5 | 1.6 | 12.1 | 3.5 | 20.1 | 5.8 | 23.4 | 6.8 |
Lower & upper coil primary hydraulic resistance | kPa | 16.8 | 4.8 | 8.7 | 10.5 | 18.0 | 5.1 | 29.7 | 8.5 | 36.9 | 10.7 |