DELTA COIL – DC – is suitable for hot water production from high temperature energy sources such as. solar collectors, district heating, gas or bio-boiler up to 25 kW, or alternatively for inverter-controlled heat pump up to 5 kW. DELTA COIL has an electric heating element placed above the stainless steel heat exchanger for use as additional heat for increased hot water capacity or for summer operation / backup. Mixing valve can easily be retrofitted as an option if required.
DELTA is our most energy-efficient boiler series, and minimizes heat loss with increased insulation, the use of vacuum panels and functional design. DELTA has been developed with a number of smart technical solutions especially suitable for alternative energy sources such as. heat pumps, solar collectors or bio boilers. DELTA also has unique corrosion protection and can withstand 3 × higher salt content than other boilers.
WHY CHOOSE DELTA COIL?
 |  | ||
| Specifications | UNIT | DC 200 — 3,0 kW / 1 × 230 V + HX 1,05 m² | DC 300 — 2,8 kW / 1 × 230 V + HX 1,4 m² |
|---|---|---|---|
| Identification | |||
| Product no. | OSO | 8000317 | 8000318 |
| Product name | DC 200 — 2,8 kW / 1 × 230 V + HX 1,05 m² | DC 300 — 2,8 kW / 1 × 230 V + HX 1,4 m² | |
| Usage | Not applicable | Not applicable | |
| Placement | Floor | Floor | |
| Dimensions | |||
| Diameter — ⌀ | mm | 595 | 595 |
| Height - H | mm | 1270 | 1750 |
| Weight | kg | 47 | 58 |
| Packaging | mm | 595 × 595 × 1305 | 595 × 595 × 1765 |
| Freight volume | dm3 | 462 | 625 |
| Technical/ErP information | |||
| Capacity | persons | 4.0 | 5.0 |
| Capacity 40°C | L | Not applicable | Not applicable |
| Volume | L | 191 | 284 |
| Heat-up time ΔT 65°C | hours | N/A | N/A |
| Thermostat set point | °C | 70 | 70 |
| Heat loss-EN 12897 | watt | 57 | 49 |
| AEC (energy consumption) | kW/year | Not applicable | Not applicable |
| Energy efficiency | % | Not applicable | Not applicable |
| Tapping profile | 3XS–XXL | Not applicable | Not applicable |
| Energy rating | A+–F | B | B |
MORE HOT WATER
Substantially higher temperature (70°C+), highly efficient mixing valve (no scolding), minimal heat loss and optimal design features gives up to 20 % more hot water and class leading capacity.
PRO INSULATION
The use of NANOPUR™ with insulation values far surpassing Pentane, often in combination with VACUUM panels, ensures minimum heat loss and class leading energy efficiency.
STRONGER
EVERLAST™ titanium alloyed stainless steel in combination with OSO’s unique ULTRAWELD™ system and state-of-the-art passivation process equals class leading corrosion resistance.
LIGHTER
EVERLAST™ titanium alloyed, high tensile strength, stainless steel equals lower weight and efficient use of resources. OSO products are more than 40 % lighter than enameled products.
BUILT TO LAST
INCOTEC™ el. immersion heaters with ultra high-grade Incoloy 825 stainless, DZR brass, zinc-free soldering and carefully calculated surface loads results in maximum durability in hard water.
Over 85 years OSO Hotwater has earned the trust from suppliers, co-workers and customers. We are still going to earn, and manage, this trust in an exceptionally good way, and value the opinion of our partners.
Our guiding targets:
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