* Height - 657mm *
Width...Sections...Watts......BTU
260mm........3.......431..........1,471
340mm........4.......574..........1,958
420mm........5.......718..........2,450
500mm........6.......861..........2,938
580mm........7.......1,005.......3,429
660mm........8......1,148........3,917
740mm........9.......1,292.......4,408
820mm.......10......1,435.......4,896
900mm.......11......1,579........5,388
980mm.......12......1,722.......5,875
1060mm.....13......1,866.......6,367
1140mm.....14......2,009.......6,855
1220mm.....15......2,153.......7,346
1300mm.....16......2,296......7,834
1380mm.....17......2,440.......8,325
1460mm.....18......2,583.......8,813
1540mm.....19......2,727.......9,305
1620mm.....20.....2,870.......9,792
1700mm.....21......3,014......10,284
1780mm.....22.....3,157.......10,772
1860mm.....23.....3,301......11,263
1940mm.....24.....3,444.....11,751
2020mm.....25.....3,588.....12,242
BTU/Watts calculated at Delta 50.
To calculate at Delta 60 please multiply by 1.264 e.g. 657mm x 2020mm is 15,473 BTU & 4,535 Watts
To calculate at Delta 30 (usual for heat pumps) multiply by 0.515 e.g. 657mm x 2020mm is 6,304 BTU and 1,847 at Delta 30