Baxi Solarflo Installation Manual page 9

Fig. 8
Vented system - schematic diagram
Note: Direct unit shown. Auxiliary heating by immersion heater.
Solarflo - Solar Thermal Domestic Hot Water System
6.0 Cylinder specifications
6.1 Cistern-fed vented
Nominal capacities 190, 210, 250 and 300 litre.
Rating Immersion heater(s) 1 x 3 kW (indirect models),
2 x 3kW (direct models) @ 240V~.
Outer casing White plastic coated corrosion proofed
steel.
Thermal insulation CFC/HCFC-free (ODP zero)
flame-retardant expanded polyurethane (50mm thick).
GWP 3.1 (Global Warming Potential).
Water container Duplex 2304 (Grade 1.4362 EN
10088) stainless steel. 40 metres (4 bar) maximum
working head.
Heat unit Tin plated long-life Superloy 825 alloy
sheathed element/s, incorporated into an easily
removable heater plate, should replacement be necessary.
Rated 3.0kW @ 240V~.
Primary coil (for auxiliary boiler heating) 22mm
diameter stainless steel. Coil in coil design for improved
performance.
Solar coil 25mm diameter stainless steel. Coil in coil
design and large surface area for improved performance.
Thermostat
Direct models: Element thermostat adjustable from
10°C to 70°C.
Indirect models: Factory-fitted cylinder thermostat
from 10°C to 70°C.
Solar: Factory fitted control pocket suitable for
insertion of solar controller temperature probe.
Safety features Thermostats with manually resettable
thermal cut-out.
High limit thermal cut-out operating at 85°C at solar coil
position.Wired in series with the solar differential
temperature controller to provide over temperature
protection if overheating occurs from solar collector panels.
Anode Not required.
For full technical and performance specification see
cylinder installation instructions.
Detailed installation and commissioning instructions are
supplied with the cylinders.
Note: The Baxi Solarflo is also compatible with cylinders
configured for solar DHW systems. For installation and
specification details refer to the manufacturers instructions
supplied with the solar cylinder.
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