Rudd RCFN-HM2421AC Installation Manual
FORM NO. C11-213 REV. 4
Supersedes Form No. C11-213 Rev. 3
INDOOR COILS
CASED/UNCASED COILS
FOR GAS AND
OIL FURNACES
AIRFLOW CAPACITIES
600-1,900 CFM
[283-897 L/s]
Rheem®Indoor Coils are designed for use with Rheem outdoor units and are available for vertical upflow or downflow,
and horizontal left or horizontal right airflow. When matched
with Rheem outdoor units, the coils provide a nominal
capacity of 24,000 to 60,000 BTU/HR [7.03 to 17.6 kW].
■ Constructed of aluminum fins bonded to internally
grooved copper tubing.
■ Coils are tested at the factory with an extensive refriger-
ant leak check.
■ Coils have sweat refrigerant connections.
■ Ideally suited for new installations or add on air
conditioning.
■ Feature two sets of
3
/4" [14.1 mm] N.P.T. Condensate
drain connections for ease of connection.
■ Coils are AHRI certified for system application with variety
of Rheem outdoor units.
■ Condensate drain pan is constructed of high grade, heat
resistant, corrosion free thermal-set material.
■ Compatible with Germicidal Light System (UV resistant)
■ Bi-Directional airflow eliminates the need to switch any
internal components from horizontal left to right.
■ Unique drain pan design maximizes application flexibility
and condensate removal.
RCFN- featuring
Industry Standard
R-410A Refrigerant
2 Rheem Heating, Cooling and Water Heating
RCFN—HM2417AC
Gas/Oil Furnace Coil
C = Cased
U = Uncased
Design Variation
A = 1st Design
Coil Size
17 = 17.5" [444 mm]
21 = 21" [533 mm]
24 = 24.5" [622 mm]
Nominal Capacity
24 = 24,000 BTU/HR
[7.03 kW]
36 = 36,000 BTU/HR
[10.6 kW]
48 = 48,000 BTU/HR
[14.7 kW]
60 = 60,000 BTU/HR
[17.6 kW]
Cased Coil Airflow:
HM = A/C or Heat Pump, Multi-Position
Uncased Coil Airflow:
HU = A/C or Heat Pump, Upflow/Downflow
Refrigerant
N = R-410A (18 SEER)
F = Product Generation
Classification
C = Coil
Rheem
MODEL NUMBER DATA
Table 1: Coil Specifications/Airflow Pressure Drop
NOTE: Represents Coil-Only Airflow Ratings
[ ] Designates Metric Conversions
Coil
Model
Number
Approx.
Design
Air Flow
CFM [L/s]
Range
Face
Area
Sq. Ft.
2
[m
]
Fins-in.
Rows
Deep
HIGH EFFICIENCY COOLING COILS
2417
2421
3624
4824
6024
600/800
[283/378]
600/800
[283/378]
825/1175
[389/555]
1000/1600
[472/755]
1050/1700
[496/802]
5.70
[0.53]
5.70
[0.53]
9.98
[0.93]
9.98
[0.93]
9.98
[0.93]
16/2
16/2
14/3 — —
14/3 — — — —
14/3 — — — —
600
[283]
0.07
[0.02]
0.05
[0.01]
700
[330]
0.12
[0.03]
0.10
[0.02]
Static Pressure Drop Through Wet Cooling Coil [kPa] (Inches W.C.) CFM [L/s]
800
900
1000
[378]
0.17
[0.04]
0.15
[0.04]
0.07
[0.02]
[425]
0.21
[0.05]
0.18
[0.04]
0.09
[0.02]
1100
[472]
[519]
— — — — — — — — — —
— — — — — — — — — —
0.11
0.11
0.11
0.14
[0.03]
0.14
[0.03]
0.14
[0.03]
[0.03]
[0.03]
[0.03]
1200
[566]
0.16
[0.04]
0.16
[0.04]
0.16
[0.04]
1300
1400
1500
1600
1700
[614]
[661]
[708]
[756]
[802]
1800
[850]
— — — — — — —
0.19
0.21
0.24
[0.05]
0.19
[0.05]
[0.05]
0.21
[0.05]
[0.06]
0.24
[0.06]
0.27
[0.07]
0.27
[0.07]
— — —
0.31
[0.08]
— —
1900
[897]
Rheem Heating, Cooling and Water Heating 3
[ ] Designates Metric Conversions
FRONT VIEW
SIDE VIEW
FIGURE 1: DIMENSIONS
PLENUM WIDTH
➀ Casing top and bottom openings are the same dimensions.
Table 2: Coil Dimensions and Weights
Coil
Model
Number
Liquid I.D. Suction I.D. A B
2417
2421
3624
4824
6024
Sweat (in.) [mm]
3
/8[9.53]
3
/8[9.53]
3
/8[9.53]
3
/8[9.53]
3
/8[9.53]
Connections
3
/4[19.05] 171/2[445] 177/8[454] 52 [24] 57 [26]20 [508]
3
/4[19.05] 21 1/2[533] 171/2[445]
7
/8[22.23] 241/2[622] 301/4[768]
7
/8[22.23] 241/2[622] 301/4[768]
7
/8[22.23] 241/2[622] 301/4[768]
Cased Coil Dimensions
(in) [mm]
Weight
C
Coil Weight
(lbs.) [Kg.]
Shipping Weight
(lbs.) [Kg.]
52 [24] 60 [27]20 [508]
32 [813] 108 [49] 118 [54]
32 [813] 108 [49] 118 [54]
32 [813] 108 [49] 118 [54]
197/8
[505 mm]
A MINUS ONE INCH ➀
NOTE:
FLANGES ARE
PROVIDED
FOR FIELD
INSTALLATION
13
/16 [46 mm]
53/8
[136.5 mm]
PRIMARY DRAIN
3
/4 N.P.T.
(VERTICAL &
HORIZONTAL)
1
1
/4 [57.1 mm]
2
SECONDARY DRAIN
3
/4 N.P.T. (VERTICAL)
7
/16
[11.1 mm]
1
1
/4
[31.7 mm]
PRIMARY DRAIN
3
/4 N.P.T. (VERTICAL)
SUCTION LINE
LIQUID LINE
15
5
[150.8 mm]
1
17/16
[36.5 mm]
/16
1
/8
4
[104.7 mm]
11
/16
21
[550.8 mm]
/2 [12.7 mm]
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