SECTION 3: C
LEARANCES
TO
C
OMBUSTIBLES
9
NOTE:
1. All dimensions are from the s
u
rfaces of all t
u
bes, co
u
plings, tees, elbo
w
s and crosses.
2. Clearances B, C and D can be red
u
ced by 50% after 7500 mm of t
u
bing do
w
nstream
from the b
u
rner.
3. All meas
u
rements are in millimeters.
4. Add 60 mm clearance to
u
nco
v
ered U-t
u
be.
FIGURE 15: U-TUBE, OPPOSITE 45° TILT
Model
BH1
5UT
BH20UT
BH25UT/
EF
BH30UT/
EF
BH35UT/
EF
BH40UT/
EF
BH45UT/
EF
BH50UT/
EF
A
200
200
200
250
250
275
300
300
B
1370
1530
1530
1630
1780
1830
1880
1930
C
1500
1650
1650
1860
1960
2040
2110
2160
D
560
560
560
560
560
560
560
560
A
C
D
B
FIGURE 16: U-TUBE, PROTECTIVE GRILLE
Model
BH1
5UT
BH20UT
BH25UT/
EF
BH30UT/
EF
BH35UT/
EF
BH40UT/
EF
BH45UT/
EF
BH50UT/
EF
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 17: U-TUBE, VENTING
Model
BH1
5UT
BH20UT
BH25UT/
EF
BH30UT/
EF
BH35UT/
EF
BH40UT/
EF
BH45UT/
EF
BH50UT/
EF
E
1000
1000
1000
1000
1000
1000
1000
1000
F
500
500
500
500
500
500
500
500
Radiant tubes
Fan
Unvented
Vented
E
F
Summary of Contents for BH15UT
Page 2: ......
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Page 33: ...SECTION 7 U TUBE HEATER INSTALLATION 27 Figure 23 U Tube Assembly Overview mm 200...
Page 55: ...SECTION 10 OPTIONAL HEATER ACCESSORIES 49 Figure 28 U Tube Angle Mounted Figure 29 Linear...
Page 71: ...SECTION 16 TROUBLESHOOTING 65 Troubleshooting Flow Chart Linear Double Linear and U Tube...
Page 73: ...SECTION 16 TROUBLESHOOTING 67 Troubleshooting Flow Chart Multiburner...
Page 81: ......