Roberts-Gordon HE15UT - Manual (Page 13)

SECTION 3: C LEARANCES T O C OMBUSTIBLES
7 of 73
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.
** When installed in the first 3 m.
FIGURE 7: LINEAR & DOUBLE LINEAR, 2 FOOT DECO GRILLE, PROTECTIVE GRILLE
Model HE1
5
S
T
HE30DL HE20S
T
HE40DL HE25S
T
HE50DL HE30S
T
HE60DL HE35S
T
HE70DL HE40S
T
HE45S
T
HE50S
T
A 150 150 150 150 150 150 200 200
B 890 970 970 1020 1170 1220 1280 1330
C 1570 1650 1650 1780 1930 1970 2010 2080
D 890 970 970 1020 1170 1220 1280 1330
A
C
D B
FIGURE 8: UNDERSHIELD **
Mode
l
HE
1
5
S
T
HE
30DL
HE
20S
T
HE
40DL
HE
25S
T
HE
50DL
HE
30S
T
HE
60DL
HE
35S
T
HE
70DL
HE
40S
T
HE
45S
T
HE
50S
T
A 150 150 150 150 150 150 - -
B 990 1020 1270 1270 1370 1400 - -
C 840 965 1120 1120 1220 1270 - -
D 990 1020 1270 1270 1370 1400 - -
A
C
D B
FIGURE 9: LINEAR & DOUBLE LINEAR, VENTING
Mod
e
l
HE1
5
S
T
HE30DL HE20S
T
HE40DL HE25S
T
HE50DL HE30S
T
HE60DL HE35S
T
HE70DL HE40S
T
HE45S
T
HE50S
T
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