BLACKHEAT® INSTALLATION OPERATION AND SERVICE MANUAL
3.3Clearance 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 from the burner.
3.All measurements are in Millimeters.
.
FIGURE 9: U-TUBE, HORIZONTAL MOUNT
A | Model |
|
|
| A |
B | C | D | B |
|
C
D
BH15
150
890
1580
760
BH20
150
970
1730
940
BH25
150
970
1730
940
BH30
150
1020
1910
1000
BH35
150
1170
1980
1090
BH40
150
1220
2050
1150
BH45
200
1270
2110
1200
BH50
200
1380
2210
1300
FIGURE 10: U-TUBE, ONE SIDE REFLECTOR
A |
B | C | D |
|
Model
A
B
C
D
BH15
150
230
1580
1200
BH20
150
230
1760
1380
BH25
150
230
1760
1380
BH30
150
230
1930
1500
BH35
150
230
2090
1660
BH40
150
230
2130
1710
BH45
200
230
2160
1760
BH50
200
230
2240
1860
FIGURE 11: U-TUBE, TWO SIDE REFLECTORS
| A |
|
B | C | D |
|
Model
A
B
C
D
BH15
150
590
1660
590
BH20
150
640
1810
640
BH25
150
640
1810
640
BH30
150
690
1960
690
BH35
150
820
2110
820
BH40
150
860
2160
860
BH45
200
890
2210
890
BH50
200
1020
2320
1020
FIGURE 12: U-TUBE, FULL 45° MOUNT
B
A
D 
C
Model
A
B
C
D
BH15
200
200
1500
1070
BH20
200
200
1650
1170
BH25
200
200
1650
1170
BH30
200
200
1860
1320
BH35
200
200
1960
1550
BH40
200
200
2040
1620
BH45
200
200
2110
1680
BH50
200
200
2160
1780
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