4
HEATING BOILERS: Astra G-50E, Astra G-80E
2. TecHnIcal DescRIPTIon
• GeneRal VIeW of THe boIleR
fig. 1 General view of the boiler
A – front view; B – rear view; C – top view; D - section.
1. Front control panel; 2. Rooftop cover; 3. Handle of the upper flue damper; 4. Door of the fuel chamber; 5. Adjustable support legs; 6. Flow water pipe; 7.
Rear control panel; 8. Sensor immersion pocket ½” of the safety temperature limiter 95°C valve; 9. Primary air regulation damper; 10. Ventilator; 11. Return
water pipe; 12. Water drain nipple; 13. Connections of the cooling serpentine; 14. Flue pipe; 15. Flue cleaning cap; 16. Smoke temperature sensor; 17. Safety
ventilator shutdown 95°C thermostat sensor; 18. Water temperature sensor; 19. Upper combustion chamber opening to the flue; 20. Primary air inlet
opening; 21. Secondary air inlet opening; 22. Ceramic burner; 23. Ceramic chopper; 24. Ceramic segment; 25. Opening to the flue
astra G boiler model
b
l
H
h
k
D
d
n
s
astra G-50e
660
1230
1315
1075
150
152
G 1½“
210
180
astra G-80e
660
1230
1475
1235
150
152
G 1½“
210
180
2
4
5
3
19
20
23
15
25
24
17
d
H
h
12
6
13
B
11
8
10
22
21
1
7
B
S
N
9
18
A
C
D
d
k
D
L
14
16
10
