STIEBEL ELTRON WPE-I 04 H 230 Premium - Page 45

INSTALLATION
Specication
www.stiebel-eltron.com WPE-I H(K) 230 Premium | 45
WPE-I 04 HK
230 Premium
WPE-I 06 HK
230 Premium
WPE-I 08 HK
230 Premium
WPE-I 12 HK
230 Premium
WPE-I 15 HK 230
Premium
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 <1.0 <1.0 <1.0 <1.0 <1.0
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 HK 230 Pre-
mium
WPE-I 06 HK 230 Pre-
mium
WPE-I 08 HK 230 Pre-
mium
WPE-I 12 HK 230 Pre-
mium
WPE-I 15 HK 230 Pre-
mium
202615 238614 238615 238616 238617
Maximum altitude for
installation
m 2000 2000 2000 2000 2000