Roberts Gorden Vantage HEM-80 Installation, Operation & Service Manual page 12

HEM-S I , O
ERIES NSTALLATION PERATION AND
NOTE: 1. All dimensions are from the surfaces of all tubes, couplings and elbows.
2. Clearances B, C and D can be reduced by 50% after 25' (7.5 m) of tubing downstream
from where the burner and burner tube connect.
FIGURE 10: 2-FOOT DECO GRILLE AND PROTECTIVE GRILLE
A
C
B
D
FIGURE 11: LOWER CLEARANCE SHIELD*
A
B D
C
*When installed in the first 10' (3 m).
FIGURE 12: VENTING
A
E
Unvented
Radiant Tubes
Vented
8 of 80
S M
ERVICE ANUAL
Model
HEM-80
HEM-115
HEM-150
HEM-200
Model
HEM-80
HEM-115
HEM-150
HEM-200
Model
Vent
Pipes HEM-80
HEM-115
HEM-150
F
HEM-200
(inches)
A B C
6 38 66 38
6 46 77 46
6 50 80 50
8 52 96 52
(inches)
A B C
6 40 38 40
6 54 48 54
6 55 50 55
- UNAPPROVED -
(inches)
A E F
20 24 18
20 24 18
20 30 18
20 30 18
(centimeters)
D A B
16 97 168
16 117 196
16 127 204
21 133 244
(centimeters)
D A B
16 102 97
16 138 122
16 140 127
- UNAPPROVED -
(centimeters)
A E
51 61
51 61
51 77
51 77
C D
97
117
127
133
C D
102
138
140
F
46
46
46
46