Technical Specifications
Domestic Hot Water Performances
Note: The above performances are based on a primary flow temperature of 85°C and a domestic cold water inlet of
10°C,without the use of a thermostatic mixing valve on the domestic hot water outlet.
Maximum Operating Pressure
Primary: 20 bar (HRS)
Secondary: 10 bar
Maximum Operating Temperature
90°C
10
HRS1 HRS1 HRS2 HRS2 HRE HRE
301 501 301 501 301 501
Peak flow 40°C L/10’
869 1485 869 1485
n/a n/a
Peak flow 45°C L/10’ 745 1273 745 1273 n/a n/a
Peak flow 60°C L/10’ 430 899 430 899 n/a n/a
Peak flow 1st hour 40°C L/60’ 1713 2329 2554 3170 n/a n/a
Peak flow 1st hour 45°C L/60’ 1468 1996 2189 2717 n/a n/a
Peak flow 1st hour 60°C L/60’ 776 847 1263 1732 n/a n/a
Continuous flow 40°C L/h 1012 1012 2022 2022 n/a n/a
Continuous flow 45°C L/h 867 867 1733 1733 n/a n/a
Continuous flow 60°C L/h 500 500 1000 1000 n/a n/a
HRS1 HRS1 HRS2 HRS2 HRE HRE
301 501 301 501 301 501
Code 06234201 06234401 06234301 06234501
07234601 07234701
Tank capacity L 275 467 269 461
281 473
Coil capacity L 5 5 10 10
n/a n/a
Coil pressure drop mbar 96 96 192 192
n/a n/a
Primary flow rate L/h 2000 2000 4000 4000
n/a n/a
Heating surface area m
2
0.94 0.94 1.88 1.88
n/a n/a
Coil connections (male BSP) Ø 1" 1" 1" 1"
n/a n/a
Auxiliary connections (male BSP) Ø n/a n/a n/a n/a 1" 1"
Hot water connections (male BSP) Ø 1" 1" 1" 1"
1
1
/
2
"
1
1
/
2
"
Immersion heater connection (female BSP) Ø
n/a n/a n/a n/a 1
1
/
2
"
1
1
/
2
"
Maximum length of immersion heater mm
n/a n/a n/a n/a 450 550
Dimensions height mm 1860 2020 1860 2020 1860 2020
width mm 680 750 680 750 680 750
depth mm 680 750 680 750 680 750
Weight Empty Kg 94 123 102 131 89 119
Weight Full
Kg
374 595 381 602 370 592
HR S2
HREHR S1
HRS / HRE