General information
9
TECHNICAL DATA
DESCRIPTION
u.m.
REX F
7*
8*
9*
10*
12*
15*
20*
25*
30*
35*
Effective rated
[1]
kW
70
80
90
100
120
150
200
250
300
350
Flow thermal
kW
74,2
84,7
95,2
105,6
126,5
157,8
210
263,5
315,5
367
Efficiency at 100% (ref. P.C.I.)
[1]
%
94,34
94,45
94,54
94,7
94,86
95,06
95,24
94,88
95,09
95,37
Efficiency of 100% (stars)
[2]
%
***
***
***
***
***
***
***
***
***
***
Max gas flow rate - G20
Stm
3
/h
7,85
8,96
10,07
11,17
13,39
16,7
22,22
27,88
33,39
38,84
Max gas flow rate - G30
kg/h
5,83
6,65
7,48
8,29
9,94
12,39
16,49
20,69
24,78
28,82
Max gas flow rate - G31
kg/h
5,76
6,58
7,4
8,2
9,83
12,26
16,31
20,47
24,51
28,51
Max flue gas flow rate
kg/h
116,97
133,5
150,04
166,43
199,51
248,83
331,08
415,41
497,51
578,72
Efficiency at 30% (ref. N.C.V.)
[1]
%
94,8
94,7
95
94,8
95,1
95,7
95,3
95,38
95,59
95,6
Flue gas pressure drop
mbar
0,9
1,1
0,9
1,1
1,3
1,3
2,2
2,4
2,4
3,4
Heat losses through the chimney
%
5,16
5,05
4,96
4,8
4,64
4,44
4,26
4,62
4,41
4,13
Heat losses through the casing
%
0,5
0,5
0,5
0,5
0,5
0,5
0,5
0,5
0,5
0,5
Heat losses with burner off
%
0,1
0,1
0,1
0,1
0,1
0,1
0,1
0,1
0,1
0,1
Flue gas temperature (Nom. output, air = 20°C) - GAS
°C
148
146
143
140
136
131
127
135
130
124
CO
2
- GAS
%
11
11
11
11
11
11
11
11
11
11
Fluid pressure drop (ΔT=12K)
mbar
8
10
13
16
23
35
63
98
50
67
Nominal pressure
bar
5
5
5
5
5
5
5
5
5
5
Total weight
Kg
222
222
266
266
266
357
357
442
489
558
Total capacity
l
105
105
123
123
123
172
172
220
300
356
Rated frequency ~ voltage
Volt ~
Hz
230 ~ 50 230 ~ 50 230 ~ 50 230 ~ 50 230 ~ 50 230 ~ 50 230 ~ 50 230 ~ 50 230 ~ 50 230 ~ 50
Electric protection rating
IP
40
40
40
40
40
40
40
40
40
40
Absorbed power
[3]
W
20
20
20
20
20
20
20
20
20
20
Allowed fuels
methane gas-LPG
DESCRIPTION
u.m.
REX F
40
50
62
75
85
95
100
120
130
Effective rated
[1]
kW
420
500
620
750
850
950
1020
1200
1300
Flow thermal
kW
441
524
649
786
891
997
1069
1259
1364
Efficiency at 100% (ref. P.C.I.)
[1]
%
95,24
95,42
95,53
95,42
95,4
95,29
95,42
95,31
95,31
Efficiency of 100% (stars)
[2]
%
***
-
-
-
-
-
-
-
-
Max gas flow rate - G20
Stm
3
/h
46,67
55,45
68,68
83,17
94,29
105,5
113,12
133,23
144,34
Max gas flow rate - G30
kg/h
34,64
41,15
50,97
61,73
69,98
78,3
83,96
98,88
107,13
Max gas flow rate - G31
kg/h
34,26
40,71
50,42
61,06
69,22
77,45
83,05
97,81
105,97
Max flue gas flow rate
kg/h
695,38
826,21
1023,33
1239,23
1404,92
1571,95
1685,49
1985,13
2150,67
Efficiency at 30% (ref. N.C.V.)
[1]
%
95,4
95,7
95,9
95,92
95,8
95,79
95,8
95,81
95,7
Flue gas pressure drop
mbar
5,2
4,8
7,3
5,8
8
5,9
4,5
6,2
7,3
Heat losses through the chimney
%
4,26
4,08
3,97
4,08
4,1
4,21
4,08
4,19
4,19
Heat losses through the casing
%
0,5
0,5
0,5
0,5
0,5
0,5
0,5
0,5
0,5
Heat losses with burner off
%
0,1
0,1
0,1
0,1
0,1
0,1
0,1
0,1
0,1
Flue gas temperature (Nom. output, air = 20°C) - GAS
°C
127
122
120
122
123
126
122
125
125
CO
2
- GAS
%
11
11
11
11
11
11
11
11
11
Fluid pressure drop (ΔT=12K)
mbar
42
60
92
55
71
89
42
58
68
Nominal pressure
bar
5
5
5
5
5
5
5
5
5
Total weight
Kg
600
871
981
1230
1230
1446
1880
1880
1880
Total capacity
l
360
540
645
855
855
950
1200
1200
1200
Rated frequency ~ voltage
Volt ~
Hz
230 ~ 50
230 ~ 50
230 ~ 50
230 ~ 50
230 ~ 50
230 ~ 50
230 ~ 50
230 ~ 50
230 ~ 50
Electric protection rating
IP
40
40
40
40
40
40
40
40
40
Absorbed power
[3]
W
20
20
20
20
20
20
20
20
20
Allowed fuels
methane gas-LPG
[1]
Average temperature 70°C.
[2]
Efficiency Directive 92/42/EEC.
[3]
With electronic control unit (circulator and burner excluded).
* Product not compliant with the requirements set out in the European regulations No. 811-813/2013 and therefore not suitable
for the installation on the EU territory for plant rooms or produce domestic hot water.
The product can be supplied only for the installation in non-European Union countries for any kind of application
Cooke Industries - Phone: +64 9 579 2185 Email: [email protected] Web: www.cookeindustries.co.nz
