63 01202 662500 | sales@hamworthy-heating.com | hamworthy-heating.com Technical data Dimensions Dorchester DR-CC model Units DR-CC 12-160 DR-CC 12-200 DR-CC 20-160 DR-CC 20-200 DR-CC 24-245 DR-CC 24-285 DR-CC 32-245 DR-CC 32-285 DR-CC 32-380 Water Continuous output with 44°C ΔT l/h 228 233 374 374 461 465 602 608 614 1st hour output with 44°C ΔT l 360 470 510 620 740 820 870 960 1100 Continuous output with 50°C ΔT l/h 201 205 329 329 406 410 530 535 540 1st hour output with 50°C ΔT l 310 410 440 540 640 720 760 840 950 Continuous output with 56°C ΔT l/h 180 183 294 294 362 366 473 478 482 1st hour output with 56°C ΔT l 270 360 380 480 560 630 670 740 840 Storage capacity litres 162 202 162 202 247 288 247 288 384 Maximum working pressure bar 8 8 8 8 8 8 8 8 8 ErP load profile - XL XL XL XL XXL XXL XXL XXL XXL Energy Building Regulations thermal efficiency gross % 96 98 95 95 96 97 95 96 97 ErP efficiency rating - A A A A A A A A A Heating-up time, ΔT = 44°C min. 27 41 17 27 25 31 20 24 31 Heating-up time, ΔT = 50°C min. 31 47 19 30 29 35 22 27 36 Heating-up time, ΔT = 56°C min. 34 52 22 34 32 40 25 31 40 Standby losses kW/24h 2.16 2.3 2.16 2.3 2.64 2.97 2.64 2.97 2.9 Nat Gas Input, gross - maximum kW 12.1 12.1 20 20 24.4 24.4 32.2 32.2 32.2 Input, net - maximum kW 10.9 10.9 18 18 22 22 29 29 29 Output - maximum kW 11.7 11.9 19.1 19.1 23.5 23.8 30.7 31 31.3 Gas inlet pressure - nominal mbar 20 20 20 20 20 20 20 20 20 Gas flow rate - maximum @1013.25 mbar and 15°C m3/h 1.2 1.2 1.9 1.9 2.3 2.3 3.1 3.1 3.1 A 180 175 Cold water inlet Condensate drain ø40mm T&P valve Recirculation connection Rp ¾” Drain valve Rp ¾” Inspection door Hot water outlet female Gas inlet 15mm male D G E 90 50 145 105 A T&P valve Recirculation connection Rp ¾” Hot water outlet female Gas inlet 15mm male D G E 90 50 145 Plan Front Side Reference Dimension DR-CC 12-160 DR-CC 12-200 DR-CC 20-160 DR-CC 20-200 DR-CC 24-245 DR-CC 24-285 DR-CC 32-245 DR-CC 32-285 DR-CC 32-380 A Total Height 1270 1545 1270 1545 1545 1745 1545 1745 1745 D Width 560 560 560 560 610 610 610 610 675 E Depth 805 805 805 805 855 855 855 855 920 Note: All dimensions in mm unless otherwise stated. Clearances: 1000mm at front 500mm at sides 1000mm at top No rear clearances WATER HEATERS & CALORIFIERS
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