TECHNICAL DATA
E
N
1)
PHOTORESISTANCE
G
2)
IGNITION TRANSFORMER
3)
COMBUSTION HEAD CONTROL
L
KNOB
4)
BACKNOZZLE THERMOSTAT
I
5)
2nd FLAME PRESSURE REGU-
LATOR VALVE
S
6)
1st FLAME PRESSURE REGU-
LATOR VALVE
H
7)
AIR PRESSURE SWITCH
8)
2nd FLAME ELECTROVALVE
(usually open)
9)
PUMP
10) PUMP MOTOR
11) PRE-HEATER
12) BURNER FIXING FLANGES
13) INSULATING GASKET
14) COMBUSTION HEAD
15) FAN MOTOR
16) ELECTROMAGNET
17) ELECTRIC BOARD
18) AIR REGULATION SERVOMO-
TOR
19) PUMP
20) SELF-CLEANING FILTER
MOUNTED ON THE PRE-HEA-
TER TANK
MODELS.
860
BT 75 DSNM-D
860
BT 100 DSNM-D
910
BT 120 DSNM-D
915
BT 180 DSNM-D
1025 535 490 780 580 200 1665
BT 250 DSNM-D
1135 625 510 800 580 220 1900
BT 300 DSNM-D
1220 695 525 880 660 220 1960
BT 350 DSNM-D
A
A1
A2
B
B1
510 350 635 415 130 1385
510 350 635 400 235 1320
460 450 685 450 235 1400
425 490 680 450 230 1645
OVERALL DIMENSIONS
B2
C
D
E
MIN.
MAX.
195
515
205 160 225 - 300 M12 170 260
210
400
230 195
185
450
230 195
200
535
260 220 280 - 370 M12 230 320
235
590
260 220 280 - 370 M12 230 320
245
605
360 275 400 - 540 M20 363 440
350
560
360 275 400 - 540 M20 365 440
6 / 30
0006080092_201011
F
L
M
N
276
M16 240 320
276
M16 240 320
I
I1
260
320
320
440
440