20
18
Technical Specifications
Maximum Operating
Pressure
Primary: 3 bar
Secondary: 10 bar
Factory Test Pressure
Primary: 4.5 bar
Secondary: 13 bar
Maximum Operating
Tem pe ratur e
90°C
Power Supply
230v 50Hz
Domestic Hot Water Performances
Code 01607101 01607401 02607301 02608301
Fuel 28 sec oil (kerosene) Natural gas/LPG
Burner options type BMV1 BMV2 BG2000-M/35 BG2000-M/50
Input kW 34.9 50 10–34.9 15–50
Output kW 32.5 46.5 9.5–32 14.3–45.7
Primary capacity L 62 82 62 82
Total capacity L 127 162 127 162
Heating surface area m
2
1.99 2.46 1.99 2.46
Primary circuit pressure drop mbar 30 40 30 40
DHW connection (male BSP) Ø
3
/
4
”
3
/
4
”
3
/
4
”
3
/
4
”
Primary connection (female BSP) Ø 1" 1" 1" 1"
Flue connection (G) Ø mm 80/125 100/150 80/125 100/150
Dimensions A mm 1585 1830 1585 1830
B mm 390 390 390 390
C mm 200 200 200 200
D mm 542 542 542 542
E mm 125 125 125 125
F mm 645 645 645 645
H mm 1610 1880 1610 1880
I mm 800 800 800 800
Weight empty Kg 182 220 182 220
Weight full Kg 309 282 309 282
Minimum working gas pressure mbar n/a n/a 20 (Nat Gas)/37 (LPG)
Natural gas flow rate m
3
/h n/a n/a 1.06–3.7 1.6–5.3
LPG flow rate m
3
/h n/a n/a 0.41–1.43 0.61–2.05
Oil flow rate kg/h 2.95 4.22 n/a n/a
FV35 FV50 MV35 MV50
Note : The above performances are based on the hot water being blended at point of use,
with a boiler temperature of 80°C and a domestic cold water inlet of 10°C.
Peak flow 40°C L/10' 283 377 291 377
Peak flow 60°C L/10' 151 191 151 191
Peak flow 40°C L/60' 1024 1485 1044 1485
Peak flow 60°C L/60' 598 710 598 710
Continuous flow 40°C L/h 920 1352 915 1352
Continuous flow 60°C L/h 513 648 513 648
Reheat time to 60°C min 20 13 20 13
FV35 FV50 MV35 MV50
Delta Performance FV/MV
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