Aiko CTH3-80, CTH3-150, CTH3-200, CTH3-115 service manual TUBE, Standard Reflector, Tube

Page 13

SECTION 3: CLEARANCES TO COMBUSTIBLES

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 7: U-TUBE, STANDARD REFLECTOR

(inches)

(centimeters)

 

A

 

Model

A

B

C

D

A

B

C

D

 

 

 

 

 

 

CTH3-80

6

38

69

37

16

97

176

94

B

C

D

CTH3-115

6

46

79

43

16

117

201

110

 

 

 

 

 

 

 

 

 

CTH3-150

6

50

84

47

16

127

214

120

CTH3-200

8

54

87

51

21

138

221

130

FIGURE 8: U-TUBE, 45°

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(inches)

 

 

(centimeters)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

 

 

 

 

 

 

Model

A

B

C

D

A

B

C

D

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D

 

 

CTH3-80

8

8

66

46

21

21

168

117

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CTH3-115

8

8

78

61

21

21

199

155

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CTH3-150

8

8

84

66

21

21

214

168

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

CTH3-200

8

8

85

70

21

21

216

178

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FIGURE 9: U-TUBE, OPPOSITE 45° REFLECTOR

(inches)

(centimeters)

 

A

 

Model

A

B

C

D

A

B

C

D

 

 

 

 

 

 

CTH3-80

8

60

66

22

21

153

168

56

B

 

D

CTH3-115

10

70

78

22

26

178

199

56

C

 

 

 

 

 

 

 

 

 

 

 

CTH3-150

12

74

84

22

31

188

214

56

 

 

 

CTH3-200

12

76

85

22

31

194

216

56

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Image 13
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