Lennox Merit Series Installation Instructions

Page 35
Figure 54
Drain Trap
Assembly
(Furnished)
V
ent
Drain Trap
Clean Out
5 Feet
Maximum
Coupling 3/4 inch slip X slip
(Not Furnished)
90°
Elbow 3/4 inch PVC
(Not Furnished)
3/4 inch PVC Pipe
(Not Furnished)
1/2 inch PVC Pipe
(Not Furnished)
Condensate Drain
Connection In Unit
Drain Assembly for 1/2 inch Drain Pipe
90° Elbow
3/4 inch PVC
(Not Furnished)
Coupling 3/4 inch slip X slip
(Not Furnished)
T
o
Drain
To
Drain
90° Elbow
3/4 inch PVC
(Not Furnished)
To
To
Drain
90° Elbow
1/2 inch PVC
(Not Furnished)
1/2 inch PVC Pipe
(Not Furnished)
Drain Assembly for 3/4 inch Drain Pipe
Condensate Drain
Connection In Unit
Condensate Drain
Connection In Unit
Vent
To
Drain
Condensate Drain
Connection In Unit
Optional Condensate Drain Connection
Optional DrainPiping FromTrap
DrainTrap Assembly
(Furnished)
DrainTrap Assembly with 1/2 inch Piping
DrainTr ap Assembly with 3/4 inch Piping
1/2 inch
3/4 inch
1(25 mm) Min.
2 (50 mm) Max.
AboveTop Of
Condensate Drain
Connection In Unit
1 (25 mm) Min. 2 (50 mm) Max. AboveTop
Of Condensate Drain Connection In Unit
1 (25 mm) Min. 2 (50 mm) Max. AboveTop
Of Condensate Drain Connection In Unit
Trap
Vent
To
Drain
7
(178)
TRAP / DRAIN ASSEMBLY USING 1/2” PVC OR 3/4” PVC
Adapter 3/4 inch slip X
3/4 inch mpt (not furnished)
90° Street Elbow
3/4 inch PVC
(not furnished)
90° Street Elbow
3/4 inch PVC
( furnished)
Adapter 3/4 inch slip X
3/4 inch mpt (not furnished)

Lennox Merit Series Specifications

General

Efficiency	Up to 80% AFUE
Heating Stages	Single-stage
Fuel Type	Natural Gas or Propane
Ignition System	Hot Surface Ignition
Blower Motor	PSC
Warranty	5-Year Limited Parts Warranty
Heating Capacity	44, 000 to 132, 000 BTU/h