Ducted water heaters for heating supply air in ventilation systems with a rectangular cross-section.
The casing is made of galvanized steel, tubular collectors made of copper tubes, the surface of the heat exchanger is made of aluminum plates. Heaters come in a 2-, 3- or 4-row variant. They are designed for operation at a maximum working pressure of 1.6 MPa (16 bar) and a maximum water temperature of + 90 ° C. In the inlet stub of the heater there is a possibility of installing a temperature sensor to protect the heater against freezing.
Type | Sizes [mm] | Rows of pipes | Weight [kg] | |||||||||||
B | B1 | B2 | B3 | H | H1 | H2 | H3 | L | L1 | L2 | K | |||
NKV 400×200-2 | 400 | 420 | 440 | 565 | 200 | 220 | 240 | 150 | 200 | 43 | 43 | G 3/4″ | 2 | 7,6 |
NKV 400×200-4 | 400 | 420 | 440 | 565 | 200 | 220 | 240 | 150 | 200 | 38 | 65 | G 3/4″ | 4 | 8,1 |
NKV 500×250-2 | 500 | 520 | 540 | 665 | 250 | 270 | 290 | 200 | 200 | 43 | 43 | G 3/4″ | 2 | 15,8 |
NKV 500×250-4 | 500 | 520 | 540 | 665 | 250 | 270 | 290 | 200 | 200 | 38 | 65 | G 3/4″ | 4 | 16,3 |
NKV 500×300-2 | 500 | 520 | 540 | 665 | 250 | 320 | 340 | 250 | 200 | 43 | 43 | G 1″ | 2 | 11,5 |
NKV 500×300-4 | 500 | 520 | 540 | 665 | 300 | 320 | 340 | 250 | 200 | 38 | 65 | G 1″ | 4 | 12,0 |
NKV 600×300-2 | 600 | 620 | 640 | 765 | 300 | 320 | 340 | 250 | 200 | 43 | 43 | G 1″ | 2 | 21,8 |
NKV 600×300-4 | 600 | 620 | 640 | 765 | 300 | 320 | 340 | 250 | 200 | 38 | 65 | G 1″ | 4 | 22,3 |
NKV 600×350-2 | 600 | 620 | 640 | 765 | 300 | 370 | 390 | 300 | 200 | 43 | 43 | G 1″ | 2 | 22,4 |
NKV 600×350-4 | 600 | 620 | 640 | 765 | 350 | 370 | 390 | 300 | 200 | 38 | 65 | G 1″ | 4 | 22,9 |
NKV 700×400-2 | 700 | 720 | 740 | 865 | 350 | 420 | 440 | 350 | 200 | 36 | 47 | G 1″ | 2 | 27,8 |
NKV 700×400-3 | 700 | 720 | 740 | 865 | 400 | 420 | 440 | 350 | 200 | 42 | 58 | G 1″ | 3 | 28,4 |
NKV 800×500-2 | 800 | 820 | 840 | 965 | 400 | 520 | 540 | 450 | 200 | 36 | 47 | G 1″ | 2 | 36,5 |
NKV 800×500-3 | 800 | 820 | 840 | 965 | 500 | 520 | 540 | 450 | 200 | 42 | 58 | G 1″ | 3 | 37,2 |
NKV 900×500-2 | 900 | 920 | 940 | 1065 | 500 | 520 | 540 | 450 | 200 | 36 | 47 | G 1″ | 2 | 40,4 |
NKV 900×500-3 | 900 | 920 | 940 | 1065 | 500 | 520 | 540 | 450 | 200 | 42 | 58 | G 1″ | 3 | 41,2 |
NKV 1000×500-2 | 1000 | 1020 | 1040 | 1165 | 500 | 520 | 540 | 450 | 200 | 36 | 47 | G 1″ | 2 | 44,3 |
NKV 1000×500-3 | 1000 | 1020 | 1040 | 1165 | 500 | 520 | 540 | 450 | 200 | 42 | 58 | G 1″ | 3 | 45,2 |