Rheem RH1T2417STANAA User manual

WARNING
sWARNIN
!
These instructions are intended as an aid to qualified licensed
service personnel for proper installation, adjustment and
operation of this unit. Read these instructions thoroughly before
attempting installation or operation. Failure to follow these
instructions may result in improper installation, adjustment,
service or maintenance possibly resulting in fire, electrical
shock, property damage, personal injury or death.
AIR HANDLERS
FEATURIN INDUSTRY STANDARD R-410A REFRI ERANT:
(-)H1P Standard Efficiency with Aluminum Coil
(-)H1T High Efficiency with Aluminum Coil
INSTALLATION INSTRUCTIONS
92-20521-110-00
(BASED ON 92-20521-66-09)

2
TABLE OF CONTENTS
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3
TABLE OF CONTENTS (continued)
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4
Continued on next page ❯
1.0 SAFETY INFORMATION
!WARNING
Because of possible damage to
equipment or personal injury,
installation, service, and mainte-
nance should be performed by a
trained, qualified service person-
nel. Consumer service is recom-
mended only for filter cleaning/
replacement. Never operate the
unit with the access panels
removed.
!WARNING (SEE SECTION 3.2.2: VERTICAL DOWNFLOW)
The RXHB-17, RXHB-21 or RXHB-24 combustible floor base is required when
some units with electric heat are applied downflow on combustible flooring.
Failure to use the base can cause a fire resulting in property damage, personal
injury or death. See CLEARANCES for units requiring a combustible floor base.
See the accessory section in this manual for combustible floor base RXHB.
!WARNING
These instructions are intended as an aid to qualified, licensed service per-
sonnel for proper installation, adjustment and operation of this unit. Read
these instructions thoroughly before attempting installation or operation.
Failure to follow these instructions may result in improper installation, adjust-
ment, service or maintenance possibly resulting in fire, electrical shock, prop-
erty damage, personal injury or death.
!WARNING
If removal of the blower assembly is
required, all disconnect switches
supplying power to the equipment
must be de-energized and locked (if
not in sight of unit) so the field
power wires can be safely removed
from the blower assembly. Failure
to do so can cause electrical shock
resulting in personal injury or
death.
!WARNING
Disconnect all power to unit
before installing or servicing.
More than one disconnect switch
may be required to de-energize
the equipment. Hazardous volt-
age can cause severe personal
injury or death.
(SEE SECTION 4.0:
ELECTRICAL WIRING)
(SEE SECTION 12.5: BLOWER
ASSEMBLY REMOVAL &
REPLACEMENT)
!WARNING
Duct leaks can create an unbalanced system and draw pollutants such as dirt,
dust, fumes and odors into the home causing property damage. Fumes and
odors from toxic, volatile or flammable chemicals, as well as automobile
exhaust and carbon monoxide (CO), can be drawn into the living space
through leaking ducts and unbalanced duct systems causing personal injury
or death (see Figure 1).
• If air-moving equipment or ductwork is located in garages or off-garage stor-
age areas - all joints, seams, and openings in the equipment and duct must
be sealed to limit the migration of toxic fumes and odors including carbon
monoxide from migrating into the living space.
• If air-moving equipment or ductwork is located in spaces containing fuel
burning appliances such as water heaters or boilers - all joints, seams, and
openings in the equipment and duct must also be sealed to prevent depres-
surization of the space and possible migration of combustion byproducts
including carbon monoxide into the living space.
!WARNING (SEE SECTION 3.6: DUCTWOR )
Do not, under any circumstances, connect return ductwork to any other heat
producing device such as fireplace insert, stove, etc. Unauthorized use of
such devices may result in fire, carbon monoxide poisoning, explosion, per-
sonal injury or property damage.
!WARNING (SEE SECTION 7.0: MAINTENANCE)
Units with circuit breaker(s) meet requirements as a service disconnect
switch, however, if access is required to the line side (covered) of the circuit
breaker, this side of the breaker(s) will be energized with the breaker(s) de-
energized. Contact with the line side can cause electrical shock resulting in
personal injury or death.
!WARNING (SEE SECTION 3.13.2: GROUNDING)
The unit must be permanently grounded. Failure to do so can result in electri-
cal shock causing personal injury or death.

5
!CAUTION
(SEE SECTION 3.2.2: VERTICAL DOWNFLOW & HORIZONTAL RIGHT DISCHARGE )
Unit must be reconfigured for vertical down or horizontal right supply air dis-
charge applications. The coil must be repositioned so the vertical drainpan is
on the bottom for vertical down discharge applications or the horizontal drip
pan is below coil for horizontal right discharge applications. Failure to recon-
figure the unit for these applications can result in property damage and poor
system performance.
!WARNING
PROPOSITION 65: This appliance con-
tains fiberglass insulation.
Respirable particles of fiberglass
are known to the State of California
to cause cancer.
All manufacturer products meet cur-
rent Federal OSHA uidelines for
safety. California Proposition 65
warnings are required for certain
products, which are not covered by
the OSHA standards.
California's Proposition 65 requires
warnings for products sold in
California that contain or produce
any of over 600 listed chemicals
known to the State of California to
cause cancer or birth defects such
as fiberglass insulation, lead in
brass, and combustion products
from natural gas.
All “new equipment” shipped for
sale in California will have labels
stating that the product contains
and/or produces Proposition 65
chemicals. Although we have not
changed our processes, having the
same label on all our products facili-
tates manufacturing and shipping.
We cannot always know “when, or
if” products will be sold in the
California market.
You may receive inquiries from cus-
tomers about chemicals found in, or
produced by, some of our heating
and air-conditioning equipment, or
found in natural gas used with
some of our products. Listed below
are those chemicals and sub-
stances commonly associated with
similar equipment in our industry
and other manufacturers.
• lass Wool (Fiberglass) Insulation
• Carbon Monoxide (CO).
• Formaldehyde
• Benzene
More details are available at the
websites for OSHA (Occupational
Safety and Health Administration),
at www.osha.gov and the State of
California’s OEHHA (Office of
Environmental Health Hazard
Assessment), at www.oehha.org.
Consumer education is important
since the chemicals and substances
on the list are found in our daily
lives. Most consumers are aware
that products present safety and
health risks, when improperly used,
handled and maintained.
!CAUTION (SEE SECTION 3.3: AUXILIARY OVERFLOW PAN)
In compliance with recognized codes, an auxiliary drain pan must be
installed under all equipment containing evaporator coils that are located in
any area of a structure where damage to the building or building contents
may occur as a result of an overflow of the coil drain pan or a stoppage in
the primary condensate drain piping. See Section 6.3 of this manual for
auxiliary horizontal overflow pan accessory information (model RXBM).
!NOTICE
When used in cooling applications, excessive sweating may occur when unit
is installed in an unconditioned space. This can result in property damage.
!WARNING (SEE SECTION 3.7: AIR FILTER)
Do not operate the system without filters. A portion of the dust entrained in the
air may temporarily lodge in the duct runs and at the supply registers. Any cir-
culated dust particles could be heated and charred by contact with the heating
elements. This residue could soil ceilings, walls, drapes, carpets and other
articles in the house.
Soot damage may occur even with filters in place when certain types of can-
dles, oil lamps or standing pilots are burned.
!WARNING
The first 36 inches of supply air plenum and ductwork must be constructed of
sheet metal as required by NFPA 90B. The supply air plenum or duct must
have a solid sheet metal bottom directly under the unit with no openings, reg-
isters or flexible air ducts located in it. If flexible supply air ducts are used they
may be located only in the vertical walls of a rectangular plenum, a minimum
of 6 inches from the solid bottom. Metal plenum or duct may be connected to
the combustible floor base, if not, it must be connected to the unit supply duct
flanges such that combustible floor or other combustible material is not
exposed to the supply air opening from the downflow unit. Exposing com-
bustible (non-metal) material to the supply opening of a downflow unit can
cause a fire resulting in property damage, personal injury or death.
Exceptions to downflow warnings:
• Installations on concrete floor slab with supply air plenum and ductwork
completely encased in not less than 2 inches of concrete (See NFPA 90B).
!NOTICE
Improper installation, or installation not made in accordance with the Underwriters
Laboratory (UL) certification or these instructions, can result in unsatisfactory
operation and/or dangerous conditions and are not covered by the unit warranty.

6
2.0 GENERAL INFORMATION
2.1 IMPORTANT INFORMATION ABOUT EFFICIENCY & INDOOR
AIR QUALITY
Central cooling and heating equipment is only as efficient as the duct system that car-
ries the cooled or heated air. To maintain efficiency, comfort and good indoor air quality,
!NOTICE
Use of this air-handler during construction is not recommended. If opera-
tion during construction is absolutely required, the following temporary
installation requirements must be followed:
Installation must comply with all Installation Instructions in this manual
including the following items:
• Properly sized power supply and circuit breaker/fuse
• Air-handler operating under thermostatic control;
• Return air duct sealed to the air-handler;
• Air filters must be in place;
• Correct air-flow setting for application
• Removing the coil and storing it in a clean safe place is highly recom-
mended until construction is completed and the outdoor unit is installed.
• Clean air-handler, duct work, and components including coil upon com-
pletion of the construction process and verify proper air-handler operat-
ing conditions according as stated in this instruction manual.
• NOTE: Electric strip heater elements tend to emit a burning odor for a few
days if dust has accumulated during construction. Heater elements are
easily damaged. Take great care when cleaning them. Low pressure com-
pressed air is recommended for cleaning elements.
FI URE 1
MI RATION OF DAN EROUS SUBSTANCES, FUMES, AND ODORS INTO LIVIN SPACES
!WARNING
!NOTICE
Improper installation, or installation not made in accordance with the Underwriters
Laboratory (UL) certification or these instructions, can result in unsatisfactory
operation and/or dangerous conditions and are not covered by the unit warranty.
Duct leaks can create an unbalanced system and draw pollutants such as dirt,
dust, fumes and odors into the home causing property damage. Fumes and
odors from toxic, volatile or flammable chemicals, as well as automobile
exhaust and carbon monoxide (CO), can be drawn into the living space
through leaking ducts and unbalanced duct systems causing personal injury
or death (see Figure 1).
• If air-moving equipment or ductwork is located in garages or off-garage stor-
age areas - all joints, seams, and openings in the equipment and duct must
be sealed to limit the migration of toxic fumes and odors including carbon
monoxide from migrating into the living space.
• If air-moving equipment or ductwork is located in spaces containing fuel
burning appliances such as water heaters or boilers - all joints, seams, and
openings in the equipment and duct must also be sealed to prevent depres-
surization of the space and possible migration of combustion byproducts
including carbon monoxide into the living space.
WARNIN
Carbon Monoxide (CO) Poisoning
Can Cause Severe Injury or Death.
Carbon Monoxide from the exhaust of motor
vehicles and other fuel burning devices can be drawn
into the living space by the operation of the central
heating and air conditioning system.
Exhaust from motor vehicles, generators, garden
tractors, mowers, portable heaters, charcoal and gas grills,
gasoline powered tools, and outdoor camping equipment
contains carbon monoxide, a poisonous
gas that can kill you. You cannot see it, smell it, or taste it.
• Do NOT operate an automobile or any engine in a
garage for more than the few seconds it takes to
enter or exit the garage.
• Do NOT operate any fuel-burning device in an
enclosed or partly enclosed space, or near
building windows, doors or air intakes.
The U.S. Consumer Product Safety Commission (CPSC)
and Health Canada recommend the installation of UL or CSA
certified Carbon Monoxide Alarm(s) in every home.

7
it is important to have the proper balance between the air being supplied to each room
and the air returning to the cooling and heating equipment.
Proper balance and sealing of the duct system improves the efficiency of the heating
and air conditioning system and improves the indoor air quality of the home by reducing
the amount of airborne pollutants that enter homes from spaces where the ductwork
and/or equipment is located. The manufacturer and the U.S. Environmental Protection
Agency’s Energy Star Program recommend that central duct systems be checked by a
qualified contractor for proper balance and sealing.
2.2 CHEC ING PRODUCT RECEIVED
Immediately upon receipt, all cartons and contents should be inspected for transit damage.
Units with damaged cartons should be opened immediately. If damage is found, it should
be noted on the delivery documents and a damage claim filed with the delivering carrier.
After unit has been delivered to the job site, remove the unit from the carton taking care
not to damage the unit. Check the unit rating plate for unit model number, unit size, coil
model, voltage, phase, etc. to assure the unit matches the job specifications.
(-) H 1 T 24 17 S T A N A A ***
OPTION CODE
BLANK = NONE
MINOR SERIES
A = FIRST
VOLTAGE
A = 115/1/60
D = 480/3/60
J = 208/240/1/60
NOMINAL CAPACITY
18 = 18,000 BTU/H
24 = 24,000 BTU/H*
30 = 30,000 BTU/H
36 = 36,000 BTU/H*
42 = 42,000 BTU/H
48 = 48,000 BTU/H*
60 = 60,000 BTU/H
MOTOR TYPE
P = PSC
T = CONSTANT TORQUE
STAGES OF AIR FLOW
1 = SINGLE
PRODUCT CATEGORY
H = AIR HANDLER
CONTROLS
N = NON-COMMUNICATING
MAJOR SERIES
A = FIRST DESIGN
B = SECOND DESIGN
METERING DEVICE
T = TXV
P = PISTON
COIL EFFICIENCY
S = STANDARD
M = MEDIUM
H = HIGH
WIDTH
17 = 17.5” (600-1200 CFM)
21 = 21” (800-1600 CFM)
24 = 24.5 (1400-1800 CFM)
BRAND
24 = 18,000-24,000 BTU/H
36 = 30,000-36,000 BTU/H
48 = 42,000-48,000 BTU/H
*(-)H1T ONLY
FI URE 2
MODEL NUMBER NOMENCLATURE
2.3 MODEL NUMBER NOMENCLATURE

8
AVAILABLE 115V MODELS
AVAILABLE 208/240V MODELS
AVAILABLE 480V MODELS
2.4 AVAILABLE MODELS
(-)H1T2417STANAA
(-)H1T3617STANAA
(-)H1T3621MTANAA
(-)H1T3621HTANAA
(-)H1T4821STANAA
(-)H1T4821MTANAA
(-)H1T4824STANAA
(-)H1T6021STANAA
(-)H1T6024STANAA
(-)H1T2417SPBNAA
(-)H1T3617SPBNAA
(-)H1T4821SPBNAA
(-)H1P1817STANAA
(-)H1P2417STANAA
(-)H1P3017STANAA
(-)H1P3617STANAA
(-)H1P4221STANAA
(-)H1P4821STANAA
(-)H1T2417STANJA
(-)H1T3617STANJA
(-)H1T3621MTANJA
(-)H1T3621HTANJA
(-)H1T4821STANJA
(-)H1T4821MTANJA
(-)H1T4824STANJA
(-)H1T6021STANJA
(-)H1T6024STANJA
(-)H1T4821SPBNJA
(-)H1T2417SPBNJA
(-)H1T3617SPBNJA
(-)H1P1817STANJA
(-)H1P2417STANJA
(-)H1P3017STANJA
(-)H1P3617STANJA
(-)H1P3621STANJA
(-)H1P4221STANJA
(-)H1P4821STANJA
(-)H1P4824STANJA
(-)H1P6024STANJA
(-)H1P3617STANDA
(-)H1P4221STANDA
(-)H1P4821STANDA
(-)H1P4824STANDA
(-)H1P6024STANDA
Notes:
• J Voltage (208/240V) single phase air handler is designed to be used with single or
three phase 208/240V power. When connecting 3-phase power to the air handler ter-
minal block, bring only two leads to the terminal block. Cap, insulate and fully secure
the third lead.
• The air handlers are shipped from the factory with the proper indoor coil installed, and
cannot be ordered without a coil.
• These air handlers do not have an internal filter rack. An external filter rack or other
means of filtration of return air is required.
• Electric resistance heaters are field installed items. (See Section 6.1)
(-)H1T3617STANDA
(-)H1T4821STANDA
(-)H1T4824STANDA
(-)H1T6021STANDA
(-)H1T6024STANDA

9
2.5.1 DIMENSIONS & WEIGHTS: (-)H1P MODELS
FI URE 3A
DIMENSIONS AND WEI HTS
A-1038-01
NOTE: 24" CLEARANCE REQUIRED
IN FRONT OF UNIT FOR FILTER
AND COIL MAINTENANCE.
ELECTRICAL CONNECTIONS MAY EXIT TOP OR EITHER SIDE
HI H VOLTA E CONNECTION 7/8",
1 3/32", 1 31/32" DIA. KNOCK OUTS.
LOW VOLTA E CONNECTION
5/8" AND 7/8" KNOCK OUT
(OUTSIDE OF CABINET)
FLAN ES ARE PROVIDED
FOR FIELD INSTALLATION
(SEE DUCT FLAN ES,
SECTION 3.5, FOR
INSTRUCTIONS)
AUXILIARY DRAIN CONNECTION
3/4" FEMALE PIPE THREAD (NPT)
HORIZONTAL APPLICATION ONLY
PRIMARY DRAIN CONNECTION
3/4" FEMALE PIPE THREAD (NPT)
AUXILIARY DRAIN CONNECTION
3/4" FEMALE PIPE THREAD (NPT)
UPFLOW/DOWNFLOW APPLICATION
ONLY
LIQUID LINE CONNECTION
COPPER (SWEAT)
VAPOR LINE CONNECTION
COPPER (SWEAT)
2111/16
105/16
SUPPLY AIR
W
A
H
191/2
RETURN AIR OPENIN
UPFLOW UNIT SHOWN;
UNIT MAY BE INSTALLED UPFLOW, DOWNFLOW.
HORIZONTAL RI HT, OR LEFT AIR SUPPLY.
DIMENSIONAL DATA
MODEL
SIZE
(-)H1P
UNIT
WIDTH
“W” IN.
[mm]
SUPPLY
DUCT
“A” IN.
[mm]
NOMINAL
CFM
[L/s]
UNIT WEI HT / SHIPPIN
WEI HT (LBS.) [kg]
3017S/3617S 171/2"
[444.5]
16"
[406.4]
1000/1200
[472/566]
21"
[533.4]
191/2"
[495.3]
1400/1600
[661/755]
130/146
[59/66]
143/161
[65/73]
1600
[755]
23"
[584.2]
241/2"
[622.3]
4221S/4821S
4824S
164/181
[75/82]
1800
[850]
23"
[584.2]
241/2"
[622.3]
UNIT
HEI HT
IN. [mm]
421/2"
[1080]
501/2"
[1283]
501/2"
[1283]
551/2"
[1410]
6024S
90/104
[41/47]
3621S 21"
[533.4]
191/2"
[495.3]
1200
[566]
421/2"
[1080]
109/124
[49/56]
1817S/2417S 171/2"
[444.5]
16"
[406.4]
600/800
[283/378]
421/2"
[1080]
3/8"
[9.53]
3/4"
[19.05]
3/8"
[9.53]
3/4"
[19.05]
3/8"
[9.53]
7/8"
[22.23]
3/8"
[9.53]
7/8"
[22.23]
3/8"
[9.53]
7/8"
[22.23]
3/8"
[9.53]
7/8"
[22.23]
81/95
[37/43]
UNIT WITH
COIL (MAX. kW.)
REFRI ERANT
CONNECTIONS
SWEAT (IN.) [MM] ID
LIQUID VAPOR
Return Air Return Air Opening
Model Opening Width Depth/Length
Cabinet Size (Inches) (Inches)
17 157⁄8 193⁄4
21 193⁄8 193⁄4
24 227⁄8 193⁄4
Return Air Opening Dimensions

10
FI URE 3B
DIMENSIONS AND WEI HTS
2.5.2 DIMENSIONS & WEIGHTS: (-)H1T MODELS
A-1038-01
NOTE: 24" CLEARANCE REQUIRED
IN FRONT OF UNIT FOR FILTER
AND COIL MAINTENANCE.
ELECTRICAL CONNECTIONS MAY
EXIT TOP OR EITHER SIDE
HI H VOLTA E CONNECTION 7/8",
1 3/32", 1 31/32" DIA. KNOCK OUTS.
LOW VOLTA E CONNECTION
5/8" AND 7/8" KNOCK OUT
(OUTSIDE OF CABINET)
FLAN ES ARE PROVIDED
FOR FIELD INSTALLATION
AUXILIARY DRAIN CONNECTION
3/4" FEMALE PIPE THREAD (NPT)
HORIZONTAL APPLICATION ONLY
PRIMARY DRAIN CONNECTION
3/4" FEMALE PIPE THREAD (NPT)
AUXILIARY DRAIN CONNECTION
3/4" FEMALE PIPE THREAD (NPT)
UPFLOW/DOWNFLOW APPLICATION
ONLY
LIQUID LINE CONNECTION
COPPER (SWEAT)
VAPOR LINE CONNECTION
COPPER (SWEAT)
2111/16
105/16
SUPPLY AIR
W
A
H
191/2
RETURN AIR
OPENIN
UPFLOW UNIT SHOWN;
UNIT MAY BE INSTALLED UPFLOW, DOWNFLOW. HORIZONTAL RI HT, OR LEFT AIR SUPPLY.
Return Air Return Air Opening
Model Opening Width Depth/Length
Cabinet Size (Inches) (Inches)
17 157⁄8 193⁄4
21 193⁄8 193⁄4
24 227⁄8 193⁄4
Return Air Opening Dimensions
MODEL
SIZE
(-)H1T
LIQUID
REFRI ERANT CONNECTIONS
SWEAT (IN.) [mm] ID
VAPOR
UNIT
WIDTH
“W” IN.
[mm]
SUPPLY
DUCT
“A” IN.
[mm] LO HI UNIT WITH
COIL (MAX. kW.)
NOMINAL CFM
[L/s]
UNIT WEI HT / SHIPPIN
WEI HT (LBS.) [kg]
UNIT
HEI HT
IN. [mm]
DIMENSIONAL DATA
2417S 3/8" [9.53] 3/4" [19.05] 421/2" [1080] 171/2" [445] 16" [409] 600 [283] 800 [378] 92/106 [42/48]
3617S 3/8" [9.53] 3/4" [19.05] 421/2" [1080] 171/2" [445] 16" [409] 1000 [472] 1200 [566] 96/110 [44/50]
3621M 3/8" [9.53] 7/8" [22.23] 501/2" [1282] 21" [533] 191/2" [495] 1000 [472] 1200 [566] 126/142 [57/64]
3621H 3/8" [9.53] 7/8" [22.23] 57 [1448] 21" [533] 191/2" [495] 1000 [472] 1200 [566] 137/149 [62/68]
4821S 3/8" [9.53] 7/8" [22.23] 501/2" [1282] 21" [533] 191/2" [495] 1400 [661] 1600 [755] 128/144 [56/65]
4821M 3/8" [9.53] 7/8" [22.23] 57 [1448] 21" [533] 191/2" [495] 1400 [661] 1600 [755] 139/151 [63/68]
4824S 3/8" [9.53] 7/8" [22.23] 501/2" [1282] 241/2" [622] 23" [585] 1600 [755] — 142/160 [64/72]
6021S 3/8" [9.53] 7/8" [22.23] 57 [1448] 21" [533] 191/2" [495] 1600 [755] 1725 [814] 139/151 [63/68]
6024S 3/8" [9.53] 7/8" [22.23] 551/2" [1410] 241/2" [622] 23" [585] — 1800 [850] 159/176 [72/80]
(SEE DUCT FLAN ES, SECTION 3.5,
FOR INSTRUCTIONS)