Technical data

12
Hot water return temperature
maximum °C 70
Minimum °C 20
Nominal °C 50
Hot water ow rate
Nominal l/h 1900
maximum l/h 3200
Minimum l/h 1500
Hot water pressure drop
at nominal water
ow
bar 0.18
Ambient air temperature (dry bulb)
maximum °C 45
Minimum °C -20
gas consumption
methane G20
(nominal)
m3/h 3.69
methane (MIN) m3/h 0.85
G30 (nominal) kg/h 2.75
G30 (MIN) kg/h 0.63
G31 (nominal) kg/h 2.71
G31 (MIN) kg/h 0.62
THERMAL EFFICIENCIES
Eciency at MEAN thermal capacity Tm80/Tr60 % 98.3
Eciency at MIN thermal capacity Tm80/Tr60 % 97.3
Eciency at nominal thermal capacity Tm50/Tr30 % 104.6
Eciency at 30% of nominal thermal capacity Tr=30°C % 107.5
Eciency at 30% of nominal thermal capacity Tr=47°C % 100.3
ELECTRICAL SPECIFICATIONS
Power supply
Voltage V 230
TYPE single-phase
Frequency
50 Hz
supply
50
Electrical power absorption Nominal kW 0.185
Degree of protection IP X5D
INSTALLATION DATA
Minimum storage temperature °C -30
Maximum operating temperature bar 3
Water content inside the apparatus HOT SIDE l 2.5
Water tting
TYPE F
thread " G 1 1/4
Gas tting
TYPE M
thread " G 3/4
Fume outlet
Type of
installation
B23P-B33-
B53P-C13-
C33-C43-C53-
C63-C83
Size mm 80
Residual head Pa 100
Product
conguration
B53P
Size
width mm 398
height mm 1280
depth mm 525
Weight In operation kg 71
AY00-120 - operational and installation technical characteristics.