The Nexus PAWT-1000L LE1 is a Duplex 2205 stainless steel solar thermal water heater with one AISI 316L corrugated solar heat exchanger, PU insulation and a frosted-metal outer casing for domestic hot water systems.
The Nexus PAWT-L LE1 is a stainless steel solar thermal water heater for domestic hot water production in professional solar thermal installations. The vessel is designed for installers who need a durable storage cylinder with one integrated corrugated solar heat exchanger.
The AISI 316L stainless steel solar coil transfers heat from the solar thermal circuit to the stored water. This makes the PAWT-L LE1 suitable for solar collectors, technical rooms and projects where reliable sanitary hot water storage is required.
With sensor pockets, an electric heating element connection and a frosted-metal outer casing, the PAWT-L LE1 is practical to install, control and maintain in professional HVAC and sanitary hot water systems.
Technical data - PAWT-1000L LE1 Solar
| General | |
| Product type | Stainless steel solar thermal water heater |
| Rated volume | 1000 L |
| Application | Solar thermal / domestic hot water |
| Installation type | Vertical, floor-standing |
| Connection layout | Connections according to technical drawing |
| Number of heat exchangers | 1 |
| Height [mm] | 2320 |
| Tilt height [mm] | 2489 |
| Outer diameter [mm] | 900 |
| Inner diameter [mm] | 800 |
| Insulation | CFC-free rigid PU foam |
| Insulation thickness [mm] | 50 |
| Outer casing | Stainless steel SUS304 |
| Weight [kg] | 105 |
| Warranty | 5 years |
| Tank | |
| Tank material | Stainless steel Duplex 2205 |
| Max. tank pressure [bar] | 6 |
| Max. tank temperature [°C] | 95 |
| Heat Exchanger | |
| Exchanger type | Solar corrugated coil heat exchanger |
| Exchanger design | Ø22 mm corrugated pipe coil |
| Exchanger material | AISI 316L stainless steel |
| Exchanger length [m] | 35 |
| Exchanger surface area [m²] | 3.5 |
| Max. exchanger pressure [bar] | 10 |
| Max. exchanger temperature [°C] | 95 |
| Connections | ||||
| H | Height | 2320 mm | ||
| ØD | Outer diameter | 900 mm | ||
| Ød | Inner diameter | 800 mm | ||
| H | DN 14 | G 3/4" | P&T safety valve | 2320 mm |
| F | DN 3 | G 1" | Ø22 mm solar heat exchanger inlet / outlet | 925 mm |
| E | DN 4 | G 1" | Ø22 mm solar heat exchanger outlet / inlet | 400 mm |
| C | DN 5 | G 1/2" | Sensor pocket 1 | 1550 mm |
| L | DN 6 | G 1½" | Electric heating element | 1025 mm |
| I | DN 7 | G 1/2" | Sensor pocket 2 | 500 mm |
| A | DN 8 | G 1" | Connection inlet / outlet | 300 mm |
| D | DN 9 | G 1" | Connection inlet / outlet | 1840 mm |
| G | DN 2 | G 1/2" | Drain tap | 80 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. |