11
Technical features and dimensions
T1 Heating flow
T2 Heating return
T3 Expansion vessel connection
T4 Boiler drain
T5 Chimney connection
T6 Burner connection
T7 Condensation drain
(*) Minimum dimensions for boiler room access.
(**) Pressure drops corresponding to a thermal drop of 15K.
TRISTAR 3G 1100÷1900
TST 3G 1100
TST 3G 1320
TST 3G 1600
TST 3G 1900
TRISTAR 3G
Model
TRISTAR 3G
Model
TST 3G 1100
TST 3G 1320
TST 3G 1600
TST 3G 1900
A
m m
1462
1462
1622
1622
B
m m
2282
2652
2692
3014
1542
1542
1702
1702
C
m m
190
190
190
190
D
m m
227
227
259
258
E
m m
F
m m
272
272
274
273
G
m m
888
888
940
940
H
m m
1035
1035
1155
1155
1650
1650
1810
1810
M*
m m
561
561
661
662
N
m m
510
880
670
990
O
m m
550
550
700
700
P
m m
1360
1360
1520
1520
R*
m m
2176
2546
2590
2910
S
m m
DETAIL FOR DOOR DRILLING
TST 3G 1100÷1320
DETAIL FOR DOOR DRILLING
TST 3G 1600÷1900
Nominal
output
kW
825÷1100
990÷1320
1200÷1600
1425÷1900
Heat
input
kW
860,2÷1153
1032,3÷1383,6
1251,3÷1677,1
1485,9÷1991,5
Boiler
capacity
l
1546
1762
2197
2450
Pressure
drops on
water side(**)
m c.a.
0,15÷0,26
0,19÷0,33
0,24÷0,41
0,18÷0,30
1 Panel board
2 Burner connection flange
3 Smoke chamber cleaning door
4 Flame control warning light
Flue gas
pressure
drops
mm c.a.
38÷67,5
41,8÷74,3
33,7÷60
43,9÷78
Boiler max.
operating
pressure
bar
6
6
6
6
Weight
kg
--
--
--
--
T1
T2
UNI 2278 PN16
T3
UNI 2278 PN16
DN 80
DN 80
DN 100
DN 100
DN 150
DN 150
DN 200
DN 200
T4
ISO 7/1
Rp 1½
Rp 1½
Rp 1½
Rp 1½
T5
Øi
m m
450
450
520
520
T6
Ø
m m
270
270
285
285
fig. 8
fig. 9
fig. 10
G
T4
T5
T2
B
F
N
E
H
T6
O
P
M
T3
T1
S
A
R
T4
T5
D
C
T1-T3-T2
H
T6
75
T7
T7
Øe
m m
40
40
40
40
CONNECTIONS
DIMENSIONS
Blind burner plate 330x330
Burner plate insulation gasket 330x330
Refractory cement
Ceramic fibre
Blind burner plate 380x380
Burner plate insulation gasket 380x380
Refractory cement
Ceramic fibre