Nordyne O4LD-140A-16F Installation, Operation And Maintenance Manual page 12

Furnace Model
Oil-Fired Lowboy Front Breech
Oil-Fired Lowboy Rear Breech
1
Wood Floor Only, do not install on carpeted floor, tiled floor, etc.
3
Note – Purpose of the 18" side clearance is to allow a passageway from the front to the back of the furnace.
TIP: Consider greater clearances front and back for easier servicing.
Furnace Model
Width
Rear Breech 22
Front Breech 22
Motor
Furnace Model
HP
All Lowboy
1/2 HP
Models
Table A-2: Recommended Minimum Installation Clearances (Inches)
Plenum Top Front
3 24
3 24
Table A-3: General Dimensions (Inches)
Cabinet
Depth Height Supply
51½ 41 20½ x 18
51½ 41 20½ x 18
Table A-4: Airflow Characteristics – Direct Drive
∆T
Blower
G10 85°F
Rear Side 1
24 6
24 6
Plenum Openings
Gap Return
2½ 20½ x 18
2½ 20½ x 18
Motor
Speed
FLA
High
Med-High
7.0
Med-Low
Low
12
3
Side 2 Flue Pipe
18 9
18 9
Flue
Diameter Height Type
6 37¼ Permanent
6 38¼ Permanent
CFM
External Static Pressure – Inches w.c.
0.20 0.25 0.30
1810 1775 1740
1570 1555 1540
1090 1085 1080
710 700 700
Floor Enclosure
1
Combustible Standard
1
Combustible Standard
Filter
Shipping
Weight
Size
20 x 25 x 1 280
20 x 25 x 1 250
0.40 0.50 0.60
1675 1585 1510
1495 1445 1375
1070 1065 1050
690 665 650
152B0801