Roberts Gorden CoRayVac CRV-B-6 User Manual
Page 13
SECTION 3: C
LEARANCES
TO
C
OMBUSTIBLES
7
NOTE:
1. All dimensions are from the surfaces of all tubes, couplings, elbows, tees and crosses.
2. Clearances B, C and D can be reduced by 50% after 25' (7.5 m) of tubing downstream from
where the combustion chamber and the tube connect.
FIGURE 9: 2-FOOT DECO GRILLE
(inches)
(centimeters)
Model
A
B
C
D
A
B
C
D
CRV-B-2
4
12
48
12
11
31
122
31
CRV-B-4
4
12
48
12
11
31
122
31
CRV-B-6
4
12
48
12
11
31
122
31
CRV-B-8
4
12
48
12
11
31
122
31
CRV-B-9
4
18
56
18
11
46
143
46
CRV-B-10
4
18
56
18
11
46
143
46
CRV-B-12
4
18
56
18
11
46
143
46
CRV-B-12A
4
18
56
18
11
46
143
46
A
B
C
D
FIGURE 10: BARRIER SHIELD
(inches)
(centimeters)
Model
A
B
C
D
A
B
C
D
CRV-B-2
4
12
12
12
11
31
31
31
CRV-B-4
4
12
12
12
11
31
31
31
CRV-B-6
4
12
12
12
11
31
31
31
CRV-B-8
4
12
12
12
11
31
31
31
CRV-B-9
- UNAPPROVED -
- UNAPPROVED -
CRV-B-10
- UNAPPROVED -
- UNAPPROVED -
CRV-B-12
- UNAPPROVED -
- UNAPPROVED -
CRV-B-12A
- UNAPPROVED -
- UNAPPROVED -
C
A
B
D
FIGURE 11: PROTECTIVE GRILLE
(inches)
(centimeters)
Model
A
B
C
D
A
B
C
D
CRV-B-2
4
20
48
20
11
51
122
51
CRV-B-4
4
20
48
20
11
51
122
51
CRV-B-6
4
20
48
20
11
51
122
51
CRV-B-8
4
20
48
20
11
51
122
51
CRV-B-9
4
36
60
36
11
92
153
92
CRV-B-10
4
36
60
36
11
92
153
92
CRV-B-12
4
36
60
36
11
92
153
92
CRV-B-12A
4
36
60
36
11
92
153
92
A
B
C
D