5
INSTALLATION AND OPERATION MANUAL
• TecHnIcal DaTa of THe boIleR
name of indicator
Indicator value
astra G-50e
astra G-80e
Nominal heat output, kW
50
80
Class of boiler according to EN 303-5
3
3
Class of protection against electric impact
1
1
Efficiency rate,%
81-89
81-89
Power of emergency cooling system, kW
20
20
Water volume in the boiler, l
115
123
Setting range of the temperature regulator, °C
65-85
65-85
Recommended draught, Pa
25
29
Working pressure of water in the system, bar, max.
3,0
3,0
Testing pressure of the boiler, bar
4,5
4,5
Max. allowable water temperature in the boiler, °C
108
108
Max. allowable operating water temperature in the boiler, °C
95
95
Electric characteristics:
voltage, V / frequency, Hz
220/50
220/50
average power used, W
50
50
Level of electric protection of the boiler
IP30
IP30
Dimensions:
height, mm
1315
1475
width, mm
660
660
depth, mm
1230
1230
Weight of boiler, kg,
505
540
Threaded connection diameter
1½"
1½"
Volume of fuel chamber, l
230
315
Dimensions of the loading aperture, mm
350x285
350x285
Flue gas duct diameter, mm
152
152
Length of wood pieces, mm
750
750
Average temperature of the flue gases at the nominal heat output, °C
205
205