Rudd RBHN-24J Installation Manual
FORM NO. H11-522 REV. 2
Supersedes Form No. H11-522 Rev. 1
RBHN- SERIES
AIR HANDLERS
AND FAN COIL UNIT
Features
■ Versatile 3-way convertible design for upflow, horizontal
left and horizontal right.
■ Available from the factory in upflow and horizontal left
configurations.
■ Nominal airflow up to 1.0" external static pressure.
■ Standard factory installed high efficiency coils.
■ Sturdy double wall construction with .5 inch [12.7 mm] of
foil faced insulation for excellent sound and insulating
characteristics.
■ Designed for use with exterior high-static filters.
■ Circuit breaker (standard on units with more than 11 kW)
meets U.L. and cUL requirements for service disconnect.
■ Factory installed auxiliary electric heat provides exact
heat for indoor comfort over a variety of applications.
■ Dip switch settings for selectable, customized cooling air-
flow over a wide variety of applications.
■ On-demand dehumidification-terminal that adjusts airflow
to help control humidity for unsurpassed comfort in cooling mode.
AIR HANDLERS
earth friendly refrigerant
2 Rheem Heating, Cooling and Water Heating
RBHN- Series
■ Quiet, energy efficient ECM motor technology providing nomi-
nal airflow to 1.0 inch [25 kPa] of external static pressure.
■ Interface board with dip switches conveniently located in the
blower compartment allows for precise, field selectable airflow
to meet the requirements of particular applications.
■ Selectable continuous fan “on” options.
■ Attractive pre-painted cabinet exterior.
■ Rugged double wall steel cabinet construction, designed for
added strength and versatility.
■ .5" foil faced insulation mechanically retained in blower
compartment.
■ Four leg, rubber insulated wire motor mount.
■ Circuit breakers standard on 1-phase models above 11 kW and
optional on models with 11 kW or less.
■ Models supplied with circuit breakers meet UL and CUL
requirements as a service disconnect switch.
■ Provisions for field electrical connections from either side of air
handler cabinet.
■ Tab lock blower housing with integrated electric heaters, con-
trols, motor and blower. Slide out design for service and maintenance convenience.
[ ] Designates Metric Conversions
■ Exclusive, dependable Incoloy sheath-type electric heating
elements located in the blower housing provide mixed warm air.
■ Field convertible for vertical upflow, horizontal left hand or right
hand air supply.
■ Indoor coil design provides low air side pressure drop, high
performance and extremely compact size. All coils come with
PVC condensate elbow standard.
■ All indoor coils have copper tubing and aluminum fins.
■ Molded polymer corrosion resistant condensate drain pan is
provided on all indoor coils.
■ Both supply and return duct flanges provided as standard on air
handler cabinet.
■ Connection points for both high voltage and low voltage control
wiring inside air handler cabinet.
■ Concentric knockouts are provided for power connection to
cabinet. Installer may pull desired hole size up to 2 inches
[51 mm] for 1
1
/2 inch [38 mm] conduit.
■ Front refrigerant and drain connections.
Engineering Features
BLOWER
SECTION
ECM
MOTOR
GENERAL TERMS OF
LIMITED WARRANTY
Rheem will furnish a replacement for any part of this product
which fails in normal use and service within the applicable
periods stated, in accordance with the terms of the limited
warranty.
Limited Parts Warranty ..................................(10) Ten Years*
*This 10-year limited parts warranty is applicable only to single-
phase products installed in residential applications.
For Complete Details of the Limited Warranty, Including
Applicable Terms and Conditions, See Your Local Installer or
Contact the Manufacturer for a Copy.
Rheem Heating, Cooling and Water Heating 3
Model Identification
NOTES: 1) RBHN Air Handler cannot be ordered without coil.
2) Electrical heat designation: set electric heat data for actual heater kW represented by number above.
3) Electric heater BTUH = (heater watts + motor watts) x 3.412 (See airflow table for motor watts).
4) Air Handlers with A-Coils do not come with a factory installed air filter. External filter rack or other means of filtration is required.
[ ] Designates Metric Conversions
R B H N 24 J 11 S M R
Type
Rheem Blower
Unit
Unit
H = Air
Handler
Design
Series
Cab.
Width
24
Electrical
Designations
J = 208/240V,
1PH, 60HZ
Electrical Heat (KW) Designation
See Electrical Heat Data for
Actual KW at 208 Volts.
00 = No Heat
07 = 7.0 kW
11 = 10.0 kW
14 = 14.0 kW
Control
Designation
N = No Circuit
Breakers Single
Supply Circuit
S = Circuit Breaker(s)
Single Supply
Circuit
Airflow
Direction
M = Multiposition
Coil
Code
Additional
Inform.
1) Motor H.P. [W]
2) Blower CFM [L/s]
1st/2nd Stage
3) Blower Wheel
Dia./Width [mm]
4) Filter Size
Width/Length [mm]
5) Outdoor
Unit Size
00, 07, 11 N
24 =
24.5”
J
07, 11, 14 S
R = RCQD-3624AS
1) 3/4 H.P. [559]
2) 875/1150 CFM
[413/543]
29
/32 x 91/2
3) 11
[302 x 241]
5
4) N/A
5) -036
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