SECTION 3: CLEARANCES TO COMBUSTIBLES
NOTE: 1. All dimensions are from the surfaces of all tubes, couplings, tees, elbows and crosses.
2.Clearances B, C and D can be reduced by 50% after 7500 mm of tubing downstream from the burner.
3.All measurements are in millimeters.
FIGURE 7: LINEAR & DOUBLE LINEAR, 2 FOOT DECO GRILLE, PROTECTIVE GRILLE |
| ||||||||
A | Model | HE15ST HE30DL | HE20ST HE40DL | HE25ST HE50DL | HE30ST HE60DL | HE35ST HE70DL | HE40ST | HE45ST | HE50ST |
| |||||||||
| A | 150 | 150 | 150 | 150 | 150 | 150 | 200 | 200 |
C | B | 890 | 970 | 970 | 1020 | 1170 | 1220 | 1280 | 1330 |
B | D |
|
|
|
|
|
|
|
|
| C | 1570 | 1650 | 1650 | 1780 | 1930 | 1970 | 2010 | 2080 |
| D | 890 | 970 | 970 | 1020 | 1170 | 1220 | 1280 | 1330 |
FIGURE 8: UNDERSHIELD **
A |
|
| Model |
|
|
| A |
C | B | D | B |
|
| ||
|
|
| C |
D
** When installed in the first 3 m.
HE15ST | HE30DL |
150
990
840
990
HE20ST | HE40DL |
150
1020
965
1020
HE25ST | HE50DL |
150
1270
1120
1270
HE30ST | HE60DL |
150
1270
1120
1270
HE35ST | HE70DL |
150
1370
1220
1370
HE40ST
150
1400
1270
1400
HE45ST
-
-
-
-
HE50ST
-
-
-
-
FIGURE 9: LINEAR & DOUBLE LINEAR, VENTING
| E |
Radiant tubes | Fan |
F |
Model
E
F
HE15ST | HE30DL |
1000
500
HE20ST | HE40DL |
1000
500
HE25ST | HE50DL |
1000
500
HE30ST | HE60DL |
1000
500
HE35ST | HE70DL |
1000
500
HE40ST
1000
500
HE45ST
1000
500
HE50ST
1000
500
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