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Delta Twincoil
Application

Suitable for domestic hot water production from solar collectors up to 12 m² in combination with boilers.

Description

Delta Twincoil Series cylinders are efficient solar thermal hot water cylinders which uitilize unique vacuum panel insulation. They are available from 200–300 L and are Energy-related Products Directive (ErP) B-rated. Can provide up to 60% of annual domestic hot water requirements from solar collectors.

The cylinders use a high performance fully flooded design, with separate expansion vessel and an ultra-grade Incotec immersion heater as booster (or back-up) between the heating coils. A complete set of inlet control valves are supplied as standard. A unit can be controlled either via its own digital thermostat or using thermistor probe(s). They are compatible with both S and Y plan systems, display the water temperature and offer holiday and anti-legionella modes.

Features and benefits:

  • High-grade Nanopur™ and vacuum insulated panel (VIP) insulation.
  • Reduces heat loss by up to 400 kWh/ year.
  • ErP 'B' rating.
  • Hot water from alternative energy sources for ultimate flexibility.
  • Elegant and functional.
  • High corrosion resistance.
  • High durability in hard water.
  • Stainless steel pressure tank has a 25-year warranty.

Components:

  • Immersion thermostat - Adjustable 20–70°C, pre-set at 60°C.
  • Cylinder thermostat - Electronic dual cylinder thermostat.
  • Temperature and pressure relief valve - Reliance 10 bar, 90–95°C.
  • G3 kit - Strainer, pressure relief valve, exp. relief, drain cock and tundish.
  • Motorized valve - Honeywell V4043H1056C.
  • Expansion vessel - 12–24 L supplied.
  • Appliance feet - Adjustable, factory fitted.

Applications:

Suitable for domestic hot water production from solar collectors up to 12 m² in combination with boilers.

General information
Uniclass 2015
Pr_60_50_20_25 Dual coil hot water storage cylindersPrimary
CAWS

S90/43 Indirect hot water storage cylinders, double feed

S90/430 Indirect insulated combination units, double feed

Specification data - Dual coil hot water storage cylinders
Product Reference

Delta Twincoil

Type

DTC 200 - 3 kW / 1 × 240 V + HX 0.8 + 0.8 m²

190 L volume (for 3 persons), 595 x 1270 mm (diameter x height).

DTC 250 - 3 kW / 1 × 240 V + HX 0.8 + 0.8 m²

242 L volume (for 4 persons), 595 x 1540 mm (diameter x height).

DTC 300 - 3 kW / 1 × 240 V + HX 0.8 + 0.8 m²

281 L volume (for 5 persons), 595 x 1750 mm (diameter x height).

Standard product features

Thermostat set point:

60°C.

Energy rating:

B.

Product Options

Type:

- DTC 200 - 3 kW / 1 × 240 V + HX 0.8 + 0.8 m²:

  • Weight: 47 kg
  • Heat loss (to BS EN 12897): 49 W.
  • Heat loss / day (to BS EN 12897): 1.18 kWh/day.

- DTC 250 - 3 kW / 1 × 240 V + HX 0.8 + 0.8 m²:

  • Weight: 51 kg.
  • Heat loss (to BS EN 12897): 54 W.
  • Heat loss / day (to BS EN 12897): 1.3 kWh/day.

- DTC 300 - 3 kW / 1 × 240 V + HX 0.8 + 0.8 m²:

  • Weight: 58 kg.
  • Heat loss (to BS EN 12897): 58 W.
  • Heat loss / day (to BS EN 12897): 1.39 kWh/day.

Third party certifications
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