Warmup DWS300, Installation Manual

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The heaters consist of a fixed length of heating wire terminated at one end by a sealed joint
and the other end by a 3m power supply cable (cold tail).
The cores and earth braid are spliced in a waterproof joint assembly to the supply conductors
and the earth conductor of the cold tail.
Heater information
Heater Model Wire Colour kW Wire Length Amps Resistive Resistance
(m) (@230 volts) (ohms-cold)
DWS300 BLUE 0.300 22 1.3 176.0
DWS400 SILVER 0.400 34 1.7 136.0
DWS600 GREY 0.600 44 2.6 88.0
DWS800 RED 0.800 64 3.6 64.0
As with all electrical projects which are subject to Part P Building Regulations, all electrical work should be
carried out by a certified/qualified electrician. All work must conform to BS 7671:2008 and the current IEE
Wiring Regulations.
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