Lennox International Inc O23V-70, O23V5-140, O23V5-154, O23V4-120, O23V-105, O23V-120, O23V4-105 22-.4

3/4_19)

3/4 (19)	4	D-------_ c==_
			CZ222ZD J
	C	SUPPLY	O

TOP FLUE OUTLET

SIDE FLUE OUTLET

CENTERING HOLE_ (Field Fabricate Either Side)

ELECTRICAL INLET (Right Side Only)

OIL PIPING INLET (Left Side Only)_

OPT. OUTDOOR COMBUSTION AIR INLET CENTERING HOLE (Field Fabricate Right Side only)

RETURN AIR OPENING (Either Side)

1-1/2 (38)--IP,

	OPENING	_		FLUE
	AIR	czz_	CONNECTION
	TOP VIEW		(On Heat
			Exchanger)
_"	B		J	\	,_----- A -----_
'		I		T
					It
		,J		54
			(1372)
			,91_1-1/2		AIR FLOW
			(38)
	22-.4		t
I			23-1/2
	14 (559)	I	(597)
I	(356)	I
I		I
I___t		/

_ r

1-1/4 (32)--Ip _	2151t22___	,_I_E
	(559)
RETURN	AIR SIDE VIEW	RETURN AIR FRONT VIEW

Figure 1

_, WARNING

ii_i_i_i_i_:_i_i_i_i_bi_i_i:_i_!_i!_i_i_i_i_ji_i!_i_i_iii_I_ii_i_i_i_i_i_i_i_i_i

O23V Model	A	B	C	D	E
-Q2/3-70/90	19-1/2	30-5/8	18	19-5/8	16
&-
Q3/4-105/120	(495)	(778)	(457)	(498)	(406)
-Q5-140/154	22-1/2	33-1/8	21	22-1/8	18
	(572)	(841)	(533)	(562)	(457)

CAUTION

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505082M 10/05