Aiko CTH3-200, CTH3-150, CTH3-80, CTH3-115 Foot Deco Grille and Protective Grille, Unapproved

CTH3-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL

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
				(inches)				(centimeters)
A		Model	A	B	C	D	A	B	C	D
		CTH3-80	6	38	66	38	16	97	168	97
		CTH3-115	6	46	77	46	16	117	196	117
C		CTH3-150	6	50	80	50	16	127	204	127
B	D
		CTH3-200	8	52	82	52	21	133	209	133

FIGURE 11: LOWER CLEARANCE SHIELD*

			(inches)				(centimeters)
	Model	A	B	C	D	A	B	C	D
A

		CTH3-80	6	40	38	40	16	102	97	102
	B	CTH3-115	6	54	48	54	16	138	122	138
C		D
		CTH3-150	6	55	50	55	16	140	127	140

CTH3-200 - UNAPPROVED - - UNAPPROVED -

*When installed in the first 10' (3 m).

FIGURE 12: VENTING

A	E			(inches)			(centimeters)
		Model	A	E	F	A	E	F
Unvented
	Vent	CTH3-80	20	24	18	51	61	46
Radiant Tubes	Pipes
		CTH3-115	20	24	18	51	61	46
Vented	F	CTH3-150	20	30	18	51	77	46
		CTH3-200	20	30	18	51	77	46

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