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NKV 900x500-3
Parameter | Value | Unit | |
---|---|---|---|
Weight | 41.2 | kg | |
Number of water coil rows | 3 | ||
Rectangular duct size | 900х500 | mm |
![NKV 900x500-3](/images/it/873_schema.gif)
Sizes | B | B1 | B2 | B3 | H | H1 | H2 | H3 | L | L1 | L2 | K |
---|---|---|---|---|---|---|---|---|---|---|---|---|
mm | 900 | 920 | 940 | 1065 | 500 | 520 | 540 | 450 | 200 | 42 | 58 | G 1'' |
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How to use water heater diagrams:
Air Speed. Starting from 7000 m3/h on the air flow scale draw a vertical line 1 till the air speed axis. It makes 4.4 m/s.
- Supply air temperature. Prolong the line 1 up to the point where it crosses the outside air temperature (blue curve), e.g. -20°C; then draw a horizontal line 2 from this point to the left till crossing water in/out temperature curve (90/70 °C). From this point draw a vertical line 3 to the supply air temperature axis on top of the graphic (+28°С).
- Heating coil capacity. Prolong the line 1 up to the point where it crosses the outside air temperature indicated as red curve (e.g., -20°С) and draw a horizontal line 4 from this point to the right to the intersection of water in/out temperature curve (e.g., 90/70 °С). From this point draw a vertical line 5 up to the scale of heating coil capacity (124.0 kW).
- Water discharge. Prolong the line 5 down to water discharge axis at the bottom of the graphic 6 (1.55 l/s).
- Water pressure drop. Draw the line 7 from the point where line 6 crosses the black curve to the pressure drop axis (28.0 kPa).
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