STIEBEL ELTRON WPE-I 04 H 230 Premium - Page 43

INSTALLATION
Specication
www.stiebel-eltron.com WPE-I H(K) 230 Premium | 43
WPE-I 04 H 230
Premium
WPE-I 06 H 230
Premium
WPE-I 08 H 230
Premium
WPE-I 12 H 230
Premium
WPE-I 15 H 230
Premium
Dimensions
Height mm 1369 1369 1369 1369 1369
Width mm 598 598 598 598 598
Depth mm 658 658 658 658 658
Weights
Weight kg 180 180 180 190 190
Connections
DHW flow/return push-fit connection 28mm 28mm 28mm 28mm 28mm
Heat source flow/return push-fit connection 28mm 28mm 28mm 28mm 28mm
Heating flow/return push-fit connection 28 mm 28 mm 28 mm 28 mm 28 mm
Heating water quality requirements
Water hardness °dH ≤3 ≤3 ≤3 ≤3 ≤3
pH value (with aluminium fittings) 8.0-8.5 8.0-8.5 8.0-8.5 8.0-8.5 8.0-8.5
pH value (without aluminium fittings) 8.0-10.0 8.0-10.0 8.0-10.0 8.0-10.0 8.0-10.0
Chloride mg/l <30 <30 <30 <30 <30
Conductivity (desalination) μS/cm 20-100 20-100 20-100 20-100 20-100
Conductivity (softening) μS/cm <1000 <1000 <1000 <1000 <1000
Oxygen 8-12 weeks after filling (softening) mg/l <0.02 <0.02 <0.02 <0.02 <0.02
Oxygen 8-12 weeks after filling (desalination) mg/l <0.1 <0.1 <0.1 <0.1 <0.1
Heat transfer medium requirements on the heat source side
Ethylene glycol concentration, geothermal probe Vol.-% 25 25 25 25 25
Ethylene glycol concentration, geothermal collector Vol.-% 33 33 33 33 33
Values
Available external pressure differential, heating system hPa 710 660 620 610 500
Available external pressure differential, heat source hPa 1020 940 830 710 520
Min. heating flow rate m³/h 0.3 0.3 0.3 0.3 0.3
Flow rate on heat source side m³/h 0.5 0.6 0.68 1.08 1.31
Internal volume on the heating side l 28.4 28.4 28.4 29.1 29.1
Internal volume on the source side l 26.5 26.5 26.5 27.9 27.9
Expansion vessel pre-charge pressure on the heating
side
MPa 0.15 0.15 0.15 0.15 0.15
Expansion vessel volume on the heating side l 24 24 24 24 24
Expansion vessel pre-charge pressure on the source
side
MPa 0.05 0.05 0.05 0.05 0.05
Expansion vessel volume on the source side l 24 24 24 24 24
Conversion: 1m3/h = 16.67l/min
Further details
WPE-I 04 H 230 Pre-
mium
WPE-I 06 H 230 Pre-
mium
WPE-I 08 H 230 Pre-
mium
WPE-I 12 H 230 Pre-
mium
WPE-I 15 H 230 Pre-
mium
202613 238610 238611 238612 238613
Maximum altitude for
installation
m 2000 2000 2000 2000 2000