ITH-Series Technical Manual
Page 10
Cambridge
Engineering
Inc.
Clearance to Combustibles
Table 2: Minimum Clearance to Combustibles
Model No.:
ITH
Reflector Configurations
Dim
40 60 80 100 125 150 175 205 220
Horizontal
A
C
D
B
A
B
C
D
2"
18"
45"
18"
2"
25"
58"
25"
2"
26"
62"
26"
2"
30"
67"
30"
4"
33"
71"
33"
4"
36"
74"
36"
6"
40"
78"
40"
6"
44"
80"
44"
6"
46"
83"
46"
45° Reflector Tilt
D
A
B
C
A
B
C
D
4"
4"
40"
38"
4"
4"
50"
46"
4"
4"
58"
50"
4"
4"
67"
58"
6"
4"
70"
63"
6"
4"
71"
64"
8"
4"
74"
67"
8"
4"
78"
72"
8"
4"
81"
77"
One Side Extension
D
A
C
B
A
B
C
D
2"
4"
50"
35"
2"
4"
58"
38"
2"
4"
63"
42"
2"
4"
73"
45"
4"
4"
76"
50"
4"
4"
78"
52"
6"
6"
80"
54"
6"
6"
84"
56"
6"
6"
84"
58"
Two Side Extension
D
A
B
C
A
B
C
D
2"
9"
50"
9"
2"
16"
58"
16"
2"
18"
64"
18"
4"
18"
71"
18"
4"
22"
78"
22"
4"
24"
80"
25"
6"
26"
82"
26"
6"
29"
86"
29"
6"
31"
88"
31"
U-Tube, Horizontal
D
A
B
C
A
B
C
D
-
-
-
-
2"
25"
59"
22"
2"
28"
62"
26"
2"
30"
71"
30"
4"
34"
74"
33"
4"
37"
76"
36"
6"
40"
78"
40"
6"
45"
82"
44"
6"
46"
88"
46"
U-Tube, Opposite 45°
D
A
B
C
A
B
C
D
-
-
-
-
4"
46"
51"
16"
4"
50"
54"
18"
4"
54"
64"
18"
4"
63"
69"
22"
4"
64"
71"
24"
8"
67"
74"
26"
10"
72"
78"
29"
10"
74"
81"
32"
Unvented
Above
End
12"
26"
12"
26"
18"
26"
18"
26"
18"
26"
18"
32"
18"
32"
18"
32"
18"
32"
Vented
End 18"
18"
18"
18" 18" 18" 18" 18" 18"
