6
Fiber wool
Ceramic fiber
Blind burner plate 250x250
Burner plate insulation gasket 250x250
ø 180
ø 180
95
T3
ISO 7/1
T4
ISO 7/1
H
mm
1.3 - DIMENSIONS AND HYDRAULIC CONNECTIONS FOR ELLPREX 170÷630
1 Panel board
2 Burner fixing plate
3 Smoke chamber cleaning door
4 Sight glass
T1 C.H. flow
T2 C.H. return
T3 Expansion vessel connection
T4 Boiler drain
T5 Flue socket
T6 Max. burner blast tube dia.
DETAIL FOR DOOR DRILLING
ELL 170÷240
DETAIL FOR DOOR DRILLING
ELL 290÷630
Nominal
Output
kW
130÷170
180÷240
220÷290
255÷340
315÷420
385÷510
480÷630
T1
T2
UNI 2278 PN16
T5
Øi
mm
T6
Ø
mm
DN 65
DN 65
DN 80
DN 80
DN 100
DN 100
DN 100
Rp 1½
Rp 1½
Rp 2
Rp 2
Rp 2
Rp 2
Rp 2
200
200
250
250
250
250
300
180
180
220
220
220
220
220
ELL 170
ELL 240
ELL 290
ELL 340
ELL 420
ELL 510
ELL 630
ELLPREX
Model
Nominal
Input
kW
140÷186
195÷262
239÷317
277÷371
342÷459
418÷557
520÷688
Water
content
l
190
251
264
298
398
462
565
Water side
pressure
loss(**)
m w.c.
0,09÷0,15
0,19÷0,33
0,12÷0,21
0,16÷0,28
0,09÷0,17
0,14÷0,25
0,21÷0,38
9÷15
15÷28
13÷25
17÷34
16÷29
24÷43
32÷55
Smoke side
pressure
loss
mm w.c.
Maximum
working
pressure
bar
6
6
6
6
6
6
6
Weight
kg
435
510
588
629
796
919
1049
ELLPREX
Model
ELL 170
ELL 240
ELL 290
ELL 340
ELL 420
ELL 510
ELL 630
A
mm
820
820
860
860
890
890
890
B
mm
885
1145
1080
1210
1275
1470
1780
1082
1082
1182
1182
1352
1352
1352
C
mm
190
190
190
190
190
190
190
D
mm
139
139
139
139
139
139
139
E
mm
F
mm
190
190
190
190
190
190
190
G
mm
648
648
708
708
748
748
748
380
380
400
400
440
440
440
I
mm
1214
1474
1411
1541
1606
1801
2113
L
mm
130
130
130
130
125
125
125
1210
1210
1310
1310
1485
1485
1485
M*
mm
175
175
215
215
255
255
255
N
mm
130
390
210
340
285
480
790
O
mm
185
185
250
250
315
315
315
P
mm
710
710
750
750
780
780
780
Q*
mm
785
1045
982
1112
1177
1372
1682
R*
mm
(*) Minimum dimensions for boiler room access requirements.
(**) Hydraulic resistance for delta T 15K.
DIMENSIONS
Rp ¾
Rp ¾
Rp ¾
Rp ¾
Rp ¾
Rp ¾
Rp ¾
CONNECTIONS
fig. 2
fig. 4fig. 3
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