Nexus PAWT 200L LE2 solar heat pump water heater
Nexus PAWT 200L LE2 solar heat pump water heater
213 200 1002The Nexus PAWT-200L LE2 is a Duplex 2205 stainless steel solar water heater with two exchangers: a large hygienic flow-through DHW exchanger and a separate solar exchanger.
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Cost overview
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€ 1.267,86Article
Nexus PAWT 200L LE2 solar heat pump water heater
Nexus PAWT-200L LE2 Stainless Steel Solar Water Heater with Two Heat Exchangers 200L
The Nexus PAWT-L LE2 is a stainless steel solar water heater with two integrated heat exchangers for solar thermal systems, heat pump support and professional domestic hot water applications.
The large hygienic AISI 316L corrugated exchanger produces shower water in flow-through operation. The separate smaller solar exchanger is used for the solar thermal circuit, while the heat pump can be connected to the water volume of the inner tank.
This configuration combines solar input, buffer volume and hygienic domestic hot water production in one Duplex 2205 stainless steel vessel. The design is well suited to installers who need a flexible solution for solar thermal and heat pump based systems.
Models up to and including 300 litres are supplied with Energy Efficiency Class A. The PU insulation, sensor pockets, electric backup connection and frosted-metal outer casing support efficient operation and professional installation.
Key Features
- Duplex 2205 stainless steel inner tank
- Large hygienic flow-through DHW exchanger
- Separate AISI 316L solar heat exchanger
- Heat pump connection to the inner tank volume
- Solar thermal and domestic hot water in one vessel
- Energy Efficiency Class A up to 300 litres
Specifications
Technical data - PAWT-200L LE2 Solar
| General | |
| Product type | Stainless steel solar water heater with two heat exchangers |
| Rated volume | 200 L |
| Application | Solar thermal / heat pump / domestic hot water |
| Installation type | Vertical, floor-standing |
| Connection layout | Connections according to technical drawing |
| Number of heat exchangers | 2 |
| Height [mm] | 1325 |
| Tilt height [mm] | 1439 |
| Outer diameter [mm] | 560 |
| Inner diameter [mm] | 470 |
| Insulation | CFC-free rigid PU foam |
| Insulation thickness [mm] | 45 |
| Outer casing | Frosted metal, RAL 7030 |
| Weight [kg] | 46 |
| Warranty | 5 years |
| Tank | |
| Tank material | Stainless steel Duplex 2205 |
| Max. tank pressure [bar] | 6 |
| Max. tank temperature [°C] | 95 |
| Heat Exchanger 1 | |
| Exchanger type | Hygienic flow-through corrugated heat exchanger |
| Exchanger design | Ø28 mm corrugated pipe coil |
| Exchanger material | AISI 316L stainless steel |
| Exchanger length [m] | 20 |
| Exchanger surface area [m²] | 2.5 |
| Exchanger volume [L] | 9 |
| Max. exchanger pressure [bar] | 10 |
| Max. exchanger temperature [°C] | 95 |
| Heat Exchanger 2 | |
| Exchanger type | Solar corrugated coil heat exchanger |
| Exchanger design | Ø22 mm corrugated pipe coil |
| Exchanger material | AISI 316L stainless steel |
| Exchanger length [m] | 10 |
| Exchanger surface area [m²] | 1.0 |
| Exchanger volume [L] | 3 |
| Max. exchanger pressure [bar] | 10 |
| Max. exchanger temperature [°C] | 95 |
| Connections | ||||
| H | Height | 1325 mm | ||
| ØD | Outer diameter | 560 mm | ||
| Ød | Inner diameter | 470 mm | ||
| H | DN 14 | G 1" | P&T safety valve | 1325 mm |
| D | DN 3 | G 1" | Ø28 mm hygienic flow-through heat exchanger 20 m inlet / outlet | 250 mm |
| A | DN 4 | G 1" | Ø28 mm hygienic flow-through heat exchanger 20 m outlet / inlet | 1000 mm |
| P | DN 10 | G 1" | Ø22 mm solar heat exchanger 10 m inlet | 630 mm |
| R | DN 12 | G 1" | Ø22 mm solar heat exchanger 10 m outlet | 350 mm |
| C | DN 5 | G 1/2" | Sensor pocket 1 | 890 mm |
| L | DN 6 | G 1½" | Electric heating element | 550 mm |
| I | DN 7 | G 1/2" | Sensor pocket 2 | 450 mm |
| E | DN 8 | G 1" | Connection inlet / outlet | 250 mm |
| Q | DN 11 | G 1" | Connection inlet / outlet | 450 mm |
| T | DN 13 | G 1" | Connection inlet / outlet | 750 mm |
| J | DN 15 | G 1" | Connection inlet / outlet | 890 mm |
| K | DN 16 | G 1" | Connection inlet / outlet | 1000 mm |
| F | DN 9 | G 1" | Connection inlet / outlet | 1100 mm |
| G | DN 2 | G 1/2" | Drain tap | 33 mm |
| Safety notice |
| The storage vessel must be protected against overpressure at all times. We recommend installing the following safety accessories: • Safety valve and inlet combination • Nexus sanitary expansion vessel • Nexus expansion vessel for heating systems The required expansion vessel capacity must be calculated according to the total system volume and operating conditions. |