Radiant BH15UT, Инструкция по установке, эксплуатации и обслуживанию

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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