Nordyne Downflow Condensing Furnace M3RL - Manual (Page 4)

4
19-7/8 19-7/8
24-5/8 24-5/8
56-1/16 56-1/16
20-9/32 20-9/32
21-17/32 21-17/32
21-29/32 21-29/32
21-15/16 21-15/16
19-3/16 19-3/16
23-7/16 23-7/16
28-15/32 28-15/32
3-17/32 3-17/32
4-11/16 4-11/16 4-11/16 4-11/16
3-17/32 3-17/32
EXHAUST EXHAUST VENT VENT
17-13/16 17-13/16
COMBUSTION COMBUSTION AIR AIR INTAKE INTAKE
21-11/32 21-11/32
7/8 Diameter 7/8 Diameter
1-19/32 1-19/32 1-19/32 1-19/32
EXHAUST EXHAUST
VENT
VENT
1-11/16 1-11/16
COMBUSTION COMBUSTION AIR AIR INTAKE INTAKE
3-17/32 3-17/32
24-3/4 24-3/4 20-1/16 20-1/16
18-1/2 18-1/2
18-1/2 18-1/2
(W/ Coil Box) (W/ Coil Box)
75-1/4 75-1/4
SIDE RETURN SIDE RETURN
KNOCKOUTS KNOCKOUTS
SIDE RETURN SIDE RETURN
KNOCKOUTS KNOCKOUTS
1-1/2 1-1/2
21-15/16 21-15/16
1-19/32 1-19/32
Cooling Cooling
Coil Coil
Box
Box
(W/O Coil Box) (W/O Coil Box)
Table 2. Shipping Weight
Table 3. Furnace Specifications/Airflow Data
GENERAL
Note: Data is for Operation with Filter.
*
Factory Wired Cooling Tap
** Factory Wired Heating Tap
Furnace Specifications / Airflow Data
Furnace Furnace Temp. Recommended
Input Output Rise @ A/C
Btuh Btuh .3"WC °F CFM CFM CFM CFM CFM Ton
High* 1660 1599 1544 1474 1410 4
Med-High 1512 1467 1416 1363 1304 3
Med-Low 1340 1304 1261 1217 1158 2.-1/2
60,000 54,000 35 - 65 Low** 1176 1142 1108 1025 966 2
High* 1660 1599 1544 1474 1410 4
Med-High 1512 1467 1416 1363 1304 3
Med-Low** 1340 1304 1261 1217 1158 2.-1/2
80,000 72,000 35 - 65 Low 1176 1142 1108 1025 966 2
0.4 0.5 Furnace
Model No. Motor
HP Motor
Speed
External Static Pressure ( Inches Water Column)
0.1 0.2 0.3
M3 RL-060
M3 RL-080
1/2
1/2
Top Return Knockouts
Figure 1. Furnace Dimensions
Top Return Opening
(BWT Models)
* May include suffix - T
Furnace Model
Shipping
Weight
(lbs)
M3RL 060A AW 150
M3RL 060A BW* 170
M3RL 080A AW 155
M3RL 080A BW* 175
Top View
(AW and BW Models)
1.000
1.000
21.000
12.000