Roberts Gorden CoRayVac CRV-B-2 Installation, Operation & Service Manual page 8

CORAYVAC ® I , O
NSTALLATION PERATION AND
NOTE:1. All dimensions are from the surfaces of all tubes, combustion chambers, couplings, tees,
elbows and crosses.
2. Clearances B, C and D can be reduced by 50% after 25' (7.5 m) of tubing downstream from the burner.
3. "-" indicates an unapproved application. Roberts-Gordon does not allow the installation of
unapproved applications.
FIGURE 4
A
C
B D
FIGURE 5
A
C
B D
FIGURE 6
4
S M
ERVICE ANUAL
CLEARANCES TO COMBUSTIBLES
UNIVERSAL SHIELD (POSITION 1)
Model A
CRV-B-2 4
CRV-B-4 4
CRV-B-6 4
CRV-B-8 4
CRV-B-9 8
CRV-B-10 8
CRV-B-12 8
CRV-B-12A 8
UNIVERSAL SHIELD (POSITION 2)
Model A
CRV-B-2 4
CRV-B-4 4
CRV-B-6 4
CRV-B-8 4
CRV-B-9 4
CRV-B-10 4
CRV-B-12 4
CRV-B-12A 4
UNIVERSAL SHIELD (POSITION 3)
Model A
CRV-B-2 4
CRV-B-4 4
CRV-B-6 4
CRV-B-8 4
CRV-B-9 8
CRV-B-10 8
CRV-B-12 8
CRV-B-12A 8
(inches)
B C D
12 12 12
12 12 12
12 12 12
12 12 12
18 24 18
18 24 18
18 24 18
18 24 18
(inches)
B C D
20 48 20
20 48 20
20 48 20
20 48 20
36 48 36
36 48 36
36 48 36
36 48 36
(inches)
B C D
12 56 30
12 56 30
12 56 30
12 56 30
12 60 42
12 60 42
12 60 42
12 60 42
(centimeters)
A B C
10 30 30 30
10 30 30 30
10 30 30 30
10 30 30 30
20 45 60 45
20 45 60 45
20 45 60 45
20 45 60 45
(centimeters)
A B C
10 60 120 60
10 60 120 60
10 60 120 60
10 60 120 60
10 90 120 90
10 90 120 90
10 90 120 90
10 90 120 90
(centimeters)
A B C
10 30 140 75
10 30 140 75
10 30 140 75
10 30 140 75
20 30 150 105
20 30 150 105
20 30 150 105
20 30 150 105
D
D
D