Alpha-InnoTec MFS 1000S, Operating Manual, Page: 13 / 32

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Subject to change without notice | 83018600hUK – Translation of the original operating manual | ait-deutschland GmbH
Technical Data
Tank name WWS 405 WWS 405.2
Type Domestic hot water tank ı Solar domestic hot water tank • ı — • ı —
Hot water tank Energy efficiency class according to ErP … C B
Standing loss according to ErP (at 65°C) W 88 63
Tank volume according to ErP l 380 374
Nominal capacity l 344 339
Max. operating pressure (except SVGW) bar 10 10
Test pressure bar 13 13
Max. operating temperature °C 95 95
Corrosion protection according to … DIN 4753 DIN 4753
Enamelled surface • yes – no • •
Mg protective anode diameter x length … x mm x mm G 1¼" x 33 x 1000 G 1¼" x 33 x 1000
Heat exchanger heat pump Exchanger area m² 5 5
Pressure loss ı Flow bar ı l/h 0,035 ı 2000 0,035 ı 2000
Exchanger capacity l 36 35
Max. operating pressure bar 16 16
Test pressure bar 21 21
Max. operating temperature °C 110 110
Maximum heating output of the heat pump at heat source max. 23 23
Solar heat exchanger Exchanger area m² - -
Pressure loss ı Flow bar ı l/h - I - - I -
Exchanger capacity l - -
Max. operating pressure bar - -
Test pressure bar - -
Max. operating temperature °C - -
General unit data Dimensions: Diameter ı Height (see dimensioned drawing for rest) mm x mm 700 ı 1630 700 ı 1630
Tilt dimension mm 1710 1720
Domestic hot water connections … 2 x R 1¼" AG 2 x R 1¼" AG
Heating water connections … 2 x Rp 1¼" IG 2 x Rp 1¼" IG
Solar connections … - -
Net weight kg 170 175
Cleaning flange Nominal size DN120 DN120
Recommended tightening torque for cleaning flange N.m 43 43
Tests … SVGW / SEV SVGW / SEV
Heating element connections … Rp 1 ½" Rp 1 ½"
Heating element (optional) … EHZI 45F EHZI 45F
Maximum output of electric heating element kW 1 x 4,5 1 x 4,5
Insulation Rigid PU foam material • yes – no • •
Insulation thickness mm 45 70
as per DIN 4753 • yes – no • •
Sheet metal jacket ı Foil jacket • yes – no — ı • — ı •
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