HOT WATER OUR ELEMENT - Stiebel Eltron
HOT WATER OUR ELEMENT - Stiebel Eltron
HOT WATER OUR ELEMENT - Stiebel Eltron
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INSTANTANEOUS <strong>WATER</strong> HEATERS<br />
HYDRAULIC CONTROL<br />
Model DHH Si control HDB Si control<br />
– Type DHH 12 S DHH 18 S DHH 21 S DHH 24 S DHH 27 S HDB 18 HDB 21 HDB 24 HDB 27<br />
– Part no. 227643 227574 227575 227576 227577 074192 074193 074194 074195<br />
Application<br />
– Nominal capacity<br />
– For one or more<br />
l 0.4 0.4<br />
draw-off points • • • • • • • • •<br />
– Mounting form1) Optional installation over & undersink Optional installation over & undersink2) Connection details<br />
– Type Pressure tested (sealed) Pressure tested (sealed)<br />
– Permiss. op. pressure MPa/bar 1 / 10 1 / 10<br />
– For water types2) Suitable for water with low limescale or with limescale content Suitable for water with low limescale or with limescale content<br />
– Water connections Threaded connections G ½" (finished/unfinished walls) Threaded connections G ½" (finished/unfinished walls)<br />
– Connected load3) kW 11.1 18 21 24 27 18 21 24 27<br />
– Voltage 3/PE ~ 400 V 3/PE ~ 400 V<br />
– Protection level IP 25 (hoseproof) IP 25 (hoseproof)<br />
– Test symbols<br />
– DHW output<br />
VDE / GS VDE / GS<br />
(mixed water Δ ϕ 28 K) l/min 5.6 9.2 10.7 12.3 13.8 9.2 10.7 12.3 13.8<br />
Equipment level<br />
– Circuit breaker 2 switch positions 2 switch positions<br />
– Shower comfort switch • • • • • – – – –<br />
– Suitable for plastic pipework4) • • • • • • • • •<br />
– Control unit Hydraulically controlled Hydraulically controlled<br />
– Heating system Bare-wire heating system Bare-wire heating system<br />
– Colour White White<br />
Weight and dimensions<br />
– Dimensions (H x W x D) mm 470 x 220 x 110 470 x 225 x 117<br />
– Wet weight kg 3.7 3.7<br />
Accessories<br />
– Fittings for finished walls<br />
(option) WKMD, WBMD (pressure valves) WKMD, WBMD (pressure valves)<br />
Key<br />
• Available, or yes.<br />
1) On the standard equipment, the water connections are located underneath.<br />
Alternative design available with water connections above (mounting on<br />
finished walls).<br />
2) For applications see equipment documentation.<br />
3) Regulations vary according to the local power supply; to be connected only<br />
by a qualified electrician.<br />
4) For systems with plastic pipework, please observe the manufacturer's<br />
instructions and limitations.
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