Roberts Gorden BH15 Manuel D’Utilisation
NSTALLATION
O
PERATION
AND
S
ERVICE
M
ANUAL
6
3.3
Clearance Data -U Tube
NOTE:
1. All dimensions are from the Tube surface.
2. Clearances B, C and D can be reduced by 50% after 7 m of tubing downstream
2. Clearances B, C and D can be reduced by 50% after 7 m of tubing downstream
from the burner.
3. All measurements are in Millimeters.
.
FIGURE 9: U-TUBE, HORIZONTAL MOUNT
Mode
l
BH
1
5
BH
2
0
BH
2
5
BH
3
0
BH
3
5
BH
4
0
BH
4
5
BH
5
0
A
150
150
150
150
150
150
200
200
B
890
970
970
1020
1170
1220
1270
1380
C
1580
1730
1730
1910
1980
2050
2110
2210
D
760
940
940
1000
1090
1150
1200
1300
A
C
D
B
FIGURE 10: U-TUBE, ONE SIDE REFLECTOR
Mode
l
BH
1
5
BH
2
0
BH
2
5
BH
3
0
BH
3
5
BH
4
0
BH
4
5
BH
5
0
A
150
150
150
150
150
150
200
200
B
230
230
230
230
230
230
230
230
C
1580
1760
1760
1930
2090
2130
2160
2240
D
1200
1380
1380
1500
1660
1710
1760
1860
A
C
D
B
FIGURE 11: U-TUBE, TWO SIDE REFLECTORS
Mode
l
BH
1
5
BH
2
0
BH
2
5
BH
3
0
BH
3
5
BH
4
0
BH
4
5
BH
5
0
A
150
150
150
150
150
150
200
200
B
590
640
640
690
820
860
890
1020
C
1660
1810
1810
1960
2110
2160
2210
2320
D
590
640
640
690
820
860
890
1020
A
C
D
B
FIGURE 12: U-TUBE, FULL 45° MOUNT
Mode
l
BH
1
5
BH
2
0
BH
2
5
BH
3
0
BH
3
5
BH
4
0
BH
4
5
BH
5
0
A
200
200
200
200
200
200
200
200
B
200
200
200
200
200
200
200
200
C
1500
1650
1650
1860
1960
2040
2110
2160
D
1070
1170
1170
1320
1550
1620
1680
1780
B
C
D
A