9
2.4 REX DUAL/REX DUAL F (stacked) 14-170 BOILER
Characteristics
Efficiency 100%
(N.C.V.)
Effic. 100%
(stars)
NG max flow
rate G20
NG max flow
rate G30
NG max flow
rate G31
Max flow rate
of flues
Efficiency at 30%
(N.C.V.)
kW
kcal/h
kW
kcal/h
%
%
m³/h
kg/h
kg/h
kg/h
%
Medium Temp.
70°C
(Efficienty Dir.
92/42/CEE)
Medium Temp.
70°C
REX DUAL 14
140
120.000
152
130.720
92,11
**
16,08
11,94
11,81
239,59
91,40
REX DUAL 16
160
138.000
174
149.640
91,95
**
18,41
13,67
13,52
274,31
91,50
REX DUAL 18
180
155.000
196
168.560
91,84
**
20,74
15,39
15,23
309,03
91,55
REX DUAL 20
200
172.000
218
187.480
91,74
**
23,07
17,12
16,94
343,74
91,66
REX DUAL 24
240
206.000
260
223.600
92,31
**
27,51
20,42
20,20
409,90
91,45
REX DUAL 30
300
258.000
326
280.360
92,02
**
34,50
25,60
25,33
514,05
91,30
REX DUAL 40
400
344.000
432
371.520
92,59
**
45,71
33,93
33,56
681,08
91,36
REX DUAL 50
500
430.000
542
466.120
92,25
-
57,35
42,57
42,11
854,52
91,70
REX DUAL 60
600
516.000
650
559.000
92,31
-
68,78
51,05
50,50
1024,82
91,90
REX DUAL 70
700
602.000
758
651.880
92,35
-
80,21
59,53
58,89
1195,13
91,90
REX DUAL 80
800
688.000
866
744.760
92,38
-
91,64
68,01
67,28
1365,44
91,80
REX DUAL 100
1000
860.000
1084
932.240
92,25
-
114,71
85,14
84,21
1709,18
91,90
REX DUAL 124
1240
1.066.000 1344 1.155.840
92,26
-
142,22
105,56
104,41
2119,08
91,80
REX DUAL 150
1500
1.290.000 1626 1.398.360
92,25
-
172,06
127,70
126,32
2563,69
91,80
REX DUAL 170
1700
1.462.000 1842 1.584.120
92,29
-
194,92
144,67
143,10
2904,31
91,80
Heat output
Heat input
Medium Temp.
70°C
Characteristics
Pressure losses
flue gas side
Heat losses through
the chimney
Heat losses through
the casing
Heat losses with
burner off
Press. losses
water side
Design
Pressure
Total
capacity
Total
weight
Electric
supply
Frequency
Insulation
class
Electric
power
mbar
%
%
%
°C
°C
°C
%
%
%
mbar
bar
l
kg
Volt ~
Hz
IP
W
GAS GASOIL HEAVY OIL GAS GASOIL HEAVY OIL
(
Δ
T=12K)
With electr.
contr. (excluded
pump and burner)
N
at. g
as
Lp
g
Ga
so
il
He
av
y o
il
REX DUAL 14
0,8
7,09
0,80
0,10
188 191
191
10,5 13,5
14,0
11
5
210
465
230
50
IP40
20
X X X X
REX DUAL 16
1,0
7,25
0,80
0,10
192 195
194
10,5 13,5
14,0
14
5
210
465
230
50
IP40
20
X X X X
REX DUAL 18
0,8
7,36
0,80
0,10
194 197
197
10,5 13,5
14,0
18
5
246
549
230
50
IP40
20
X X X X
REX DUAL 20
1,0
7,46
0,80
0,10
197 199
199
10,5 13,5
14,0
22
5
246
549
230
50
IP40
20
X X X X
REX DUAL 24
1,1
6,89
0,80
0,10
184 186
186
10,5 13,5
14,0
32
5
246
549
230
50
IP40
20
X X X X
REX DUAL 30
1,2
7,18
0,80
0,10
190 193
193
10,5 13,5
14,0
22
5
344
726
230
50
IP40
20
X X X X
REX DUAL 40
1,9
6,61
0,80
0,10
177 180
180
10,5 13,5
14,0
38
5
344
726
230
50
IP40
20
X X X X
REX DUAL 50
2,0
6,95
0,80
0,10
185 188
187
10,5 13,5
14,0
60
5
440
898
230
50
IP40
20
X X X X
REX DUAL 60
2,0
6,89
0,80
0,10
184 186
186
10,5 13,5
14,0
86
5
600
986
230
50
IP40
20
X X X X
REX DUAL 70
2,9
6,85
0,80
0,10
183 186
185
10,5 13,5
14,0
118
5
712
1122
230
50
IP40
20
X X X X
REX DUAL 80
4,1
6,82
0,80
0,10
182 185
184
10,5 13,5
14,0
63
5
720
1285
230
50
IP40
20
X X X X
REX DUAL 100
4,2
6,95
0,80
0,10
185 188
187
10,5 13,5
14,0
98
5
1080 1830
230
50
IP40
20
X X X X
REX DUAL 124
6,4
6,94
0,80
0,10
185 188
187
10,5 13,5
14,0
62
5
1290 2065
230
50
IP40
20
X X X X
REX DUAL 150
5,2
6,95
0,80
0,10
185 188
187
10,5 13,5
14,0
44
5
1710 2621
230
50
IP40
20
X X X X
REX DUAL 170
7,2
6,91
0,80
0,10
184 187
187
10,5 13,5
14,0
56
5
1710 2621
230
50
IP40
20
X X X X
Flue gas temp. at boiler
output and air at 20 deg. C
CO2
Fuel
Characteristics
Efficiency 100%
(N.C.V.)
Effic. 100%
(stars)
NG max flow
rate G20
NG max flow
rate G30
NG max flow
rate G31
Max flow rate
of flues
Efficiency at 30%
(N.C.V.)
kW
kcal/h
kW
kcal/h
%
%
m³/h
kg/h
kg/h
kg/h
%
Medium Temp.
70°C
(Efficienty Dir.
92/42/CEE)
Medium Temp.
70°C
REX DUAL 14 F
140
120.000
148
127.624
94,34
***
15,70
11,66
11,53
233,93
94,80
REX DUAL 16 F
160
138.000
169
145.684
94,45
***
17,93
13,30
13,16
267,16
94,70
REX DUAL 18 F
180
155.000
190
163.744
94,54
***
20,15
14,95
14,79
300,24
95,00
REX DUAL 20 F
200
172.000
211
181.632
94,70
***
22,35
16,59
16,41
333,02
94,80
REX DUAL 24 F
240
206.000
253
217.580
94,86
***
26,77
19,87
19,65
398,87
95,10
REX DUAL 30 F
300
258.000
316
271.416
95,06
***
33,40
24,79
24,52
497,66
95,70
REX DUAL 40 F
400
344.000
420
361.200
95,24
***
44,44
32,99
32,63
662,16
95,30
REX DUAL 50 F
500
430.000
527
453.220
94,88
-
55,77
41,39
40,94
830,97
95,38
REX DUAL 60 F
600
516.000
631
542.660
95,09
-
66,77
49,56
49,02
994,87
95,59
REX DUAL 70 F
700
602.000
734
631.240
95,37
-
77,67
57,65
57,02
1157,28
95,60
REX DUAL 80 F
800
688.000
840
722.400
95,24
-
88,89
65,97
65,26
1324,46
95,40
REX DUAL 100 F
1000
860.000
1048
901.280
95,42
-
110,90
82,31
81,42
1652,41
95,70
REX DUAL 124 F
1240
1.066.000 1298 1.116.280
95,53
-
137,35
101,94
100,84
2046,52
95,90
REX DUAL 150 F
1500
1.290.000 1572 1.351.920
95,42
-
166,35
123,46
122,12
2478,62
95,92
REX DUAL 170 F
1700
1.462.000 1782 1.532.520
95,40
-
188,57
139,96
138,44
2809,69
95,80
Heat output
Heat input
Medium Temp.
70°C
Characteristics
Pressure losses
flue gas side
Heat losses through
the chimney
Heat losses through
the casing
Heat losses with
burner off
Flue gas temp. at boiler
output and air at 20 deg. C
CO2
Press. losses
water side
Design
Pressure
Total
capacity
Total
weight
Electric
supply
Freque
ncy
Insulation
class
Electric
power
mbar
%
%
%
°C
%
mbar
bar
l
kg
Volt ~
Hz
IP
W
GAS
GAS
(
Δ
T=12K)
With electr.
contr. (excluded
pump and burner)
N
at. g
as
Lp
g
Ga
so
il
H
eav
y oi
l
REX DUAL 14 F
0,9
5,16
0,50
0,10
148
11,0
11
5
210
477
230
50
IP40
20
X X -
-
REX DUAL 16 F
1,1
5,05
0,50
0,10
146
11,0
14
5
210
477
230
50
IP40
20
X X -
-
REX DUAL 18 F
0,9
4,96
0,50
0,10
143
11,0
18
5
246
565
230
50
IP40
20
X X -
-
REX DUAL 20 F
1,1
4,80
0,50
0,10
140
11,0
22
5
246
565
230
50
IP40
20
X X -
-
REX DUAL 24 F
1,3
4,64
0,50
0,10
136
11,0
32
5
246
565
230
50
IP40
20
X X -
-
REX DUAL 30 F
1,3
4,44
0,50
0,10
131
11,0
22
5
344
748
230
50
IP40
20
X X -
-
REX DUAL 40 F
2,2
4,26
0,50
0,10
127
11,0
38
5
344
748
230
50
IP40
20
X X -
-
REX DUAL 50 F
2,4
4,62
0,50
0,10
135
11,0
60
5
440
920
230
50
IP40
20
X X -
-
REX DUAL 60 F
2,4
4,41
0,50
0,10
130
11,0
86
5
600
1014
230
50
IP40
20
X X -
-
REX DUAL 70 F
3,4
4,13
0,50
0,10
124
11,0
118
5
712
1154
230
50
IP40
20
X X -
-
REX DUAL 80 F
4,7
4,26
0,50
0,10
127
11,0
63
5
720
1317
230
50
IP40
20
X X -
-
REX DUAL 100 F
4,8
4,08
0,50
0,10
122
11,0
98
5
1080
1866
230
50
IP40
20
X X -
-
REX DUAL 124 F
7,3
3,97
0,50
0,10
120
11,0
62
5
1290
2101
230
50
IP40
20
X X -
-
REX DUAL 150 F
5,8
4,08
0,50
0,10
122
11,0
44
5
1710
2671
230
50
IP40
20
X X -
-
REX DUAL 170 F
8,0
4,10
0,50
0,10
123
11,0
56
5
1710
2671
230
50
IP40
20
X X -
-
Fuel
Summary of Contents for REX F
Page 1: ...TECHNICAL MANUAL REX REX F REX K REX K F REX DUAL REX DUAL F PRESSURISED STEEL BOILERS...
Page 2: ......
Page 18: ...18 1 2 6 3 4 5 9...
Page 30: ......
Page 32: ...ASSEMBLY INSTRUCTIONS STAVES LINING...
Page 33: ......
