Solar Cylinders
UniSTOR cylinder range for solar systems
- Easy to clean - High quality VG white powder coating
- Best in class stand by energy losses
- In - line front connections
- Adjustable feet meaning the cylinder can be installed on uneven ground
Overview
UniSTOR cylinder range for solar systems
Performance and reliability are what Vaillant are all about. That’s why our products have been expertly designed and engineered to work to their full potential together. Working in perfect harmony with the Vaillant range of solar thermal systems , the uniSTOR cylinder range uses state of the art insulation to give the ultimate efficiency.
What's in the range?
- 200 litre twin coil solar cylinder
- 250 litre twin coil solar cylinder
- 300 litre twin coil solar cylinder
Specifications
Specifications
| Solar cylinders | 200 litre twin coil solar cylinder | 250 litre twin coil solar cylinder | 300 litre twin coil solar cylinder | |
|---|---|---|---|---|
| Article Number | 0020235275 | 0020235276 | 0020235277 | |
| Total tank capacity | (l) | 199 | 249,8 | 298,7 |
| Actual capacity (without coil) | (l) | 191,6 | 291,3 | |
| Hot water capacity / draw off | (l) | Solar coil 124/Reheat coil 187 | Solar coil 145,3/Reheat coil 232,7 | Solar coil 169,2 Reheat coil 274 |
| Outer diameter with insulation | mm | 595 | 595 | 595 |
| Height with insulation | mm | 1.24 | 1.51 | 1.77 |
| Net weight empty cylinder | kg | 44,3 | 51,8 | 58 |
| Weight of filled cylinder | kg | 237,6 | 298,4 | 351,3 |
| Insulation thickness | mm | 50 | 50 | 50 |
| Standby losses | (kWh/24h) | 1,29 | 1,48 | 1,64 |
| ErP Label | B | B | B | |
| Reheat time EN 12897 | min | 21,48 | 27,35 | 30,7 |
| Reheat time (70%) | min | 15,04 | 19,15 | 21,49 |
| Heat exchanger power / coil rating | kw | Solar coil 16,9 Reheat coil 17,9 | Solar coil 16 Reheat coil 17 " | Solar coil 15,2 Reheat coil 16,3 |
| Heat exchanger surface | m2 | Solar coil 0,6 Reheat coil 0,6 | Solar coil 0,6 Reheat coil 0,6 | Solar coil 0,6 Reheat coil 0,6 |
| Primary flow rate | l/h | 900 | 900 | 900 |
| Max. operating DHW temp. | (°C) | 85 | 85 | 85 |
| Max. operating heat circuit temp. | (°C) | 95 | 95 | 95 |
| Temp. / PressureT&P valve | (°C / bar) | 95 / 9 | 95 / 9 | 95 / 9 |
| Secondary return | yes | yes | yes | |
| Primary heat exchanger / flow & return connection | ¾ | ¾ | ¾ | |
| Cold & hot water connection | ¾ | ¾ | ¾ | |
| Temp. sensor sleeve diameter | mm | 8 | 8 | 8 |
| Qty. of temp. sensor tubes | 2 | 2 | 2 | |
| Immersion heater boss diameter | 1 ¼ | 1 ¼ | 1 ¼ | |
| Immersion heater | 230 V / 50 Hz | 230 V / 50 Hz | 230 V / 50 Hz | |
| Immersion heater power | (kW) | 3,0 | 3,0 | 3,0 |
| Motorised 2-way valve | 230 V / 50 Hz | 230 V / 50 Hz | 230 V / 50 Hz |