Nordyne E2EH-xxx HB Series Original instructions

IMPORTANT: Read this owner information
to become familiar with the capabilities and
use of your heating appliance. Keep this
literaturewhereyouwillhaveeasyaccessto
it in the future. If a problem occurs, check
the instructions and follow recommenda-
tions given. If these suggestions don’t
eliminate your problem, call the appropriate
NORDYNE distributor. A distributor service
list is included with this appliance.
!WARNING:
Do not store or use gasoline or other
flammable vapors and liquids in the
vicinityofthisoranyotherappliance.
Improperinstallation,adjustment,
alteration,serviceormaintenancecan
cause injury, property damage, or
death. Refer to this manual. For
assistance or additional information
consult a qualified dealer or service
agency. To avoid personal injury or
property damage, ask a service
technician to inspect the furnace and
to replace any part of the control
system which has been under water.
SECTION 1. OWNER
INFORMATION
OPERATING INSTRUCTIONS
Before Operating System
Before operating your heating/cooling system
(see Figure 1), make sure that:
• Control panel covers are closed.
• Blower and/or relay control plugs are
plugged in.
• Fan switch is set to “AUTO” (E2EH units
only).
• Circuit breakers are in “ON” position.
!
CAUTION:
No user serviceable parts inside
control panel. DO NOT OPEN.
• All power supply switches for furnace and
outside unit (if installed) are turned on.
• Furnace door is closed and properly latched.
Refer to the owner’s manual supplied with the
optional heat pump or air conditioner for further
information.
Owners Manual/Installation Instructions
E2EH-xxx HB Series
E2EB-xxx HB Series
(AirConditioner/HeatPumpAirHandler)
Downflow, Upflow Electric Furnaces

2
Indoor Coil
(optional)
Coil Air Filters
(used with indoor coil)
Blower Selector
Switch (EH only)
Furnace Air Filter
(NOT used with
coil air filters)
Control Panel
Cover (left)
Data Label
Circuit Breakers
Control Panel Cover (right)
A/C or H/P
Relay Box
(optional)
Blower
Figure 1. Furnace Parts Identification
Model Identification
10 20 30
50 60 70 80 90
SYSTEM
HEAT OFF COOL VENTILATE ON AUTO
Temperature Selector
Temperature
Scales
System Switch
(optional sub-base)
Fan Switch
(optional sub-base)
E 2 EB - 010 HB
Product Type
E - Electric Furnace
Generation
2 - Second Series
Product Identifier
EH - Heat Only
EB - A/C Blower Equipped
Model
Revision
(R=replacement)
Electrical Code
H - 240-1-60
Primary Capacity
010 - 10 kw 012 - 12 kw
015 - 15 kw 017 - 17 kw
020 - 20 kw 023 - 23 kw

3
!CAUTION:
For optional A/C or H/P systems,
always wait at least five minutes after
thesystemshutsoffbeforerestarting
the system. Observe this procedure
when operating the system per the
following instructions.
To Operate System in Cooling
Mode
NOTE: The “FAN ON/FAN AUTO” (fan switch)
and “HEAT/OFF/COOL” (system switch) are
locatedeitheronyourthermostat(ifit’ssupplied
with a sub-base) or on the relay box added to
your furnace.
1. Make sure blower selector switch is on
“Auto.”
2. Set fan switch to “AUTO.”
3. Set system switch to “COOL.”
4. Set thermostat temperature selector to
desired comfort level.
To Operate System in Heating
Mode
1. Make sure blower selector switch is on
“Auto.”
2. Set fan switch to “AUTO.”
3. Set system switch to “HEAT.”
4. Setthermostattemperatureselectorswitch
to desired comfort level.
NOTE: Allow at least one hour for the room
temperature to stabilize before you make a
second adjustment to the thermostat setting.
Once the desired comfort level is established,
make only small adjustments to the thermostat
setting to meet changing temperature condi-
tions.
To Operate Blower Continuously
1. Set blowerselectorswitchto“ON” for sum-
mer air circulation only (see Figure 1),
OR...
2. Ifthermostatisequippedwithoptionalheat-
ing/cooling sub-base or relay box (see
Figure 1), set fan switch to “ON.”
To Balance Air Distribution
1. On a typical day, set thermostat selector to
desired comfort level and operate system
forseveralhourswith allairregistersopen.
2. With system on, check temperature in all
rooms.
3. Partially close registers in rooms that are
too warm (in heating mode) or too cool (in
cooling mode) and in rooms that are infre-
quently occupied.
4. Re-check room temperature and adjust
registers as needed.
To Shut Off System
1. Make sure blower selector switch is on
“Auto”.
2. Setthermostattemperatureselectortolow-
est temperature setting, OR...
3. Forthermostatswithoptionalsub-base(see
Figure1),orforsystems with relay box, set
system switch to “OFF.”
!WARNING:
To prevent hazard of electrical shock
and injury from moving parts, be
certain the thermostat is off and the
furnace circuit breaker(s) are in the
“OFF”positionbeforeservicing.Close
andproperlylatchtheouterdoorafter
doing the following recommended
maintenance.
MAINTENANCE INSTRUCTIONS
Regularly
NOTE: If a coil is installed, furnace filter is not
used.
1. Replace furnace air filter (see Figure 1),
OR...
2. Remove coil filters, wash, and allow to dry.
Re-install coil filters to original positions.
3. Vacuum or wipe clean interior of furnace
cabinet.
4. Cleanalllint anddustfromaroundfurnace.
Every Six Months
1. Vacuum or wipe away any dust or lint on
blower motor.
Before Each Heating Season
NOTE: If a coil is installed, furnace filter is not
used.
1. Replace furnace air filter (see Figure 1),
OR...
2. Remove coil filters, wash, and allow to dry.
Re-install coil filters to original positions.

4
3. Have a qualified serviceman inspect all
furnace components and field wiring and
clean and service heating system as
needed. If this furnace was installed with
aluminum power supply wiring, have ser-
vicemanperiodicallycheckallconnections
to prevent possible equipment failure and/
or fire hazard. Do not attempt any service
function yourself which requires opening
furnace control panel covers.
BEFORE YOU CALL A SERVICEMAN
1. Make sure thermostat temperature selec-
toris set above room temperature for heat-
ing or below room temperature for cooling.
Ifthermostatisequippedwithheating/cool-
ing sub-base, make sure system switch
(see Figure 1) is set to “HEAT” for furnace
operation or set to “COOL” for optional air-
conditioning operation.
2. Check main household service panel to
see if appropriate circuit disconnect(s) for
appliance power supply is on.
3. Refer to instructions under Before Operat-
ing System for pre-operation checks.
4. Refer to instructions under Before Each
Heating Season for maintenance proce-
dures and recommended service checks.
5. Refer to owner’s manual provided with
optional air conditioner or heat pump (if
installed) for service and maintenance.
NOTE: All servicing of this heating appliance
otherthanthenormalmaintenancedescribedin
this section must be done by authorized trained
service personnel. Do not open the control
panels (see Figure 1) at any time.
Please specify the complete model and serial
numbers shown on the furnace data label (see
Figure 1) for all warranty service and when
ordering replacement parts or optional equip-
ment. Refer to the replacement parts list pro-
vided with the furnace for part numbers.
OPTIONAL AIR CONDITIONER
AND HEAT PUMP
Your E2 Series electric furnace is approved for
use with an optional central air conditioner or a
heat pump. To adapt this heating appliance to
a “total comfort system,” contact your nearest
NORDYNE distributor.
Optional air conditioners and heat pumps are
listed by Underwriters’ Laboratories (UL) or
Environmental Testing Laboratories (ETL) and
certified by ARI and the Canadian Standards
Association(CSA),orWarnockHerseyorETLC.
These cooling systems include energy-saving
components to provide maximum cooling per-
formance at electrical energy usage levels es-
tablished by federal standards. Refer to the
operation instruction label on your furnace for
theoptionalairconditioningequipmentapproved
for your heating appliance.
SECTION 2.
INSTALLER INFORMATION
GENERAL
These instructions and specifications are pri-
marily intended to assist qualified individuals
experienced in the proper installation of home
heating and air conditioning appliances. Some
local codes require licensed personnel for the
installation and service of this type of equip-
ment. Approved installation, operation, and
maintenance of this central heating system
appliancemustbe in accordance with the listed
specifications contained in these instructions
and other documents supplied with the furnace
and/oroptionalairconditioningequipment. Refer
tolocalauthoritieshavingjurisdictionforfurther
information.
Before beginning installation, read these in-
structions thoroughly. Follow all warnings and
cautions in the instructions and on the unit.
Improper installation, service adjustment, or
maintenance can cause explosion, fire, electri-
calshockorotherconditionswhichmayresultin
personal injury or property damage. Unless
otherwise noted in these instructions, use only
factory-authorized kits and accessories when
modifying this product.
Overview of E2 Furnace
E2E(-) Series electric furnaces are available in
two models. E2EH models are equipped with
the standard two-speed blower. E2EH models
canbeeasilyconvertedforusewithNORDYNE
split-system air conditioners and heat pumps.
E2EBmodelsareair-conditioningready;thatis,
they are equipped with a multi-speed (four-
speed) blower, blower relay, and cabinet insu-
lationkit.SeeTable3forcoolingandheatpump
availability with factory installed blower.

5
For typical non-ducted return air downflow
applications, an air-conditioner or heat-pump
coilcanbeinstalledbymountingthecoildirectly
ontopofthefurnacewithoutaddingsheetmetal
cavities or cutting and trimming wood panels.
Areturnairgrilleforclosetoralcoveinstallations
is available. For downflow alcove installations,
thegrille(withframe provided)maybeattached
tothetopofthefurnaceandallpanelingandtrim
flushed to it. This installation provides an ac-
cess door for future installation of NORDYNE
air conditioning or heat pump coils on top of the
furnace.
Power entrance for all models may be through
the right side or through the bottom of the unit
(when viewing the unit in a downflow position).
UNIT CHECKOUT
Before installing this furnace:
1. Inspect unit for possible shipping damage.
If shipping damage is found, file claim with
transportation company.
2. Record furnace model number and serial
number (see furnace data label) for future
reference.
3. Carefully readallinstructionssupplied with
optional equipment to be installed with
furnace.
CODES, SPECIFICATIONS, AND
REQUIREMENTS
Furnace Codes
Installationandwiring ofthisfurnace,as wellas
the design and construction of the home duct
system,mustbeinaccordancewithoneormore
of the following codes:
• HUD MANUFACTURED HOME CON-
STRUCTION AND SAFETY STANDARD
(Title 24, Part 3280)
• American National Standards (ANSI)
A119.11, C1-NFPA 7 (National Electrical
Code)
• CANADIANSTANDARDS(C.S.A.)Z240.6.1,
and Z240.9.1.
Table 1. Miscellaneous Listings & Installation Requirements
Listing agency(s) May vary by model, check the unit data label for applicable agency listing mark.
Approved Installation Configurations
Approved for: single/multistory residential or
mobile/modular/manufactured structures. Upflow,
downflow, (freestanding/closet/alcove)
Accessibility for Servicing Minimum of 18" (46 cm) required in front of unit.
Minimum Clearance to
Combustibles 0" from all surfaces of furnace cabinet, ducts, optional coil housing and plenum connector.
No separate subbase required for installations on
combustible flooring.
Minimum return air 200 in.
2
(1290 cm
2
) heating only*
opening required (total free area) 235 in
2
(1516 cm
2
) A/C or H/P up to 4-ton installed.*
390 in.
2
(2516 cm
2
) A/C or H/P up to 5 ton installed.
*or return air grille and frame assembly p/n 902989
or wall mount grille p/n 902999.
Return air grille Use return air grille and frame assembly P/N 902989- or equivalent for alcove installation.
(closet or alcove installation) Use wall mount return air grilled P/N 902999- or equivalent for closet installation.
155 in.
2
(1000 cm
2
) must be added for
5-ton A/C or H/P system.
250 in
2
(1613) cm
2
A/C or H/P up to 4 ton w/1"
clearance installed.

6
All local codes having jurisdiction shall also
apply.
Air Duct Codes and Specifications
Air ducts must be installed in accordance with
National Fire Protection Association standards
NFPA 90A and NFPA 90B, these instructions,
and all applicable local codes.
• Materials: Air ducts must be aluminum, tin
plate, galvanized sheet steel, or other ap-
provedmaterialsfor outletorreturn airducts.
• Construction: Snap-Lock or Pittsburgh-Lock
seams are preferred. All other types of
seams must be made tight to prevent leak-
age.
• Sizing:Supplyductsystemmustbedesigned
for proper air distribution. Static pressure
measured externally to furnace shall not ex-
ceed static pressure rating listed on furnace
nameplate.
• Location of Openings: Duct system must be
designed so that no supply registers are
locatedinductsystemdirectlybelowfurnace.
Return Air Codes and
Requirements
Non-ducted return air systems may be used for
closet or alcove installations.
NOTE: Applicable installation codes may limit
the furnace to installation in a single-story resi-
dence only. Furnace installations other than
closet or alcove installations require ducted
return air systems.
Air return to the furnace must have a minimum
free area opening (see Table 1).
Acceptablefloororceilingreturnairsystemsfor
closet installations with return air entering
through an opening in the closet floor or ceiling
must meet all of the following requirements:
• Return air opening into closet, regardless of
its location, must not be smaller than size
specified on unit data label.
• If located in floor of closet, return air opening
must be provided with means of preventing
its inadvertent closure by a flat object placed
over opening.
• Materials located in return air duct system
must have a flame-spread classification of
200 or less.
• Noncombustible pans having 1" upturned
flangesmustbe locatedbeneathopenings in
a floor-return duct system.
• Wiring materials located in return duct sys-
tem must conform to NEC Article 300-22(c).
• Gas piping must not run in or through return
air duct system.
• If return air opening is located below top of
furnace, a minimum clearance must be pro-
vided between opening and furnace (see
“Accessibility for servicing” in Table 1).
Closed-Off Space Requirements
Livingspacenotservedby, andclosedofffrom,
the return air ducts to the furnace by doors,
sliding partitions, and other means must be
provided with permanent, uncloseable open-
ings in the doors or partitions to allow air to
return to the furnace from all parts of the home.
Return air grilles, with a minimum open area of
one square inch for every five square feet of
livingspaceclosedofffromthefurnace,mustbe
provided in the door or room partition.
OPTIONAL EQUIPMENT
Contact your nearest NORDYNE distributor for
a complete list of electric furnace accessories.
Return Air Grille
A return air grille and frame assembly (see
Figure 2) is available for use in non-ducted
return air installations. In downflow alcove in-
stallations, the grille and frame assembly may
be mounted directly to the top of the furnace. In
closet installations, a wall mount grille is avail-
able for attachment to a door or wall.
Optional Automatic Furnace
Damper #901083 -
Furnace may (not required) be equipped with
the optional automatic damper when a pack-
aged air conditioner is installed and connected
to the warm air duct system. This damper pre-
vents cooled air from discharging through the
furnace cabinet, causing excessive cooling of
the immediate area. Refer to instructions sup-
plied with the damper for details.
Multi-Speed Blower Conversion
Package (4 or 5 ton):
Upgrade blower packages are available for
adding air conditioning or heat pump systems.
See furnace “Options and Compatibility” label
for systems available.

7
Table 2. Optional Air Conditioning and
Heat Pump Equipment
Figure 3. Optional Rear Mounting Plate
(P/N 389080)
3"
(76 mm)
20-1/8"
(511 mm)
11/16"
(17 mm)
Notes:
1) For A/C and H/P use.
2) Includes coil filters.
3) For upflow or downflow installations.
4) For upflow A/C or H/P installations (includes
one filter; use filter from furnace to
complete filtering system in this accessory).
5) Standard in EB models.
Upflow Stand
Filters (one obtained
from furnace)
23 3/4" (603 mm)
20" (508 mm)
14"
(357 mm
)
20" (508 mm)
Cabinet
Insulation
Upflow Coil Cabinet
23 3/4" (603 mm)
29"
(737 mm)
NOTE: See Table 2 for descriptions
and notes
Figure 2. Optional Accessories
1
2
3
4
7
8
27"
(686 mm)
29"
(737 mm)
20"
(508 mm)
23 3/4"
(603 mm)
Item
Number
(See Fig. Description
1 4-Speed Blower
4 Ton - See Notes: 1 & 5
5 Ton - See Note: 1
2 A.C./H.P. Relay Control
See Note: 1
3 Cabinet Insulation Kit
See Notes: 1 & 5
4 "A"-Coil Conversion Kit
See Note: 2
5 Coil Cabinet
See Note: 3
6 Upflow Stand
See Note: 4
7 A/C and H/P Indoor Coils
8 Return Air Grille and
Frame Assembly

8
Table 3. Unit Specifications
1. Heating output rated at listed voltage. For outputs at voltages other than
240V, multiply Btuh rating by the following factors: x 0.92 (230V), x 0.84 (220V), x 0.75 (208V)
2. Height is 56" with return air grille installed, 58" with coil cabinet and 72" with
coil cabinet and upflow stand.
3. The factory installed blower for the EH models can be replaced with a multi-
speed blower allowing the units to accept up to 5 tons of air conditioning or 4 tons heat pump.
4. The factory installed blower for the EB models can be replaced with a multi-
speed blower allowing the units to accept up to 5 tons of air conditioning.
E2EH E2EB
010H 012H 015H 015HR 017H 020H 023H 010H 012H 015H 015HR 017H 020H
Rated Heatin
g
Output, Btuh
(see note 1) 35,000 41,000 53,000 57,000 57,000 70,000 75,000 35,000 41,000 53,000 57,000 57,000 70,000
Watts (Total kw, Heatin
g
Elements and Blower) 10.4 12.0 15.4 16.6 16.6 20.4 22.0 10.4 12.0 15.4 16.6 16.6 20.4
Supply Voltage
Heatin
g
Elements,
No.(Total kw) 2 (10.0) 2 (11.6) 2 (15.0) 3 (16.2) 3 (16.2) 4 (20.0) 4 (21.6) 2 (10.0) 2 (11.6) 2 (15.0) 3 (16.2) 3 (16.2) 4 (20.0)
Blower Wheel Size 10.5" Dia., 8" Wide
Motor Speed,
H.P. Rating, Amps
Test ESP, in. w.c. Max 0.3
Optional Coolin
g
Available with
factory installed blower
Optional Heat Pump Available
with factory installed blower 2.0 - 3.0 Ton (see note 3) n/a (see note 3)
Air Filter (Standard) 16" x 20" x 1" (nominal)
Furnace Dimensions Width-20" (508mm), Height-29" (737mm) (see note 2), Depth-24 1/2" (623mm)
2.0 - 4.0 Ton
Electric Furnace Models
2 Speed, 1/5 HP, 2.0 4 Speed, 1/3 HP, 2.9
2.0 - 3.0 Ton (see note 3) 2.0 - 4.0 Ton (see note 4)
240 Volts/60Hz/1-Phase
023H 023H 5-Ton
75,000 75,000
22.0 22.0
4 (21.6) 4 (21.6)
11" Dia., 8" W
4 Spd, 3/4HP
3.8 Amps
2.0 - 5.0 Ton

9
AB
19”
(483 mm)
19"
(483 mm)
TOP VIEW
X
Reducer
*Felt Seal
Corner
Spacers
C
*OPENING TO DUCT
A= 13-1/4" (337 mm)
B= 10-3/4" (274 mm)
WITH PLATE (C) REMOVED
OPENING BECOMES
13-1/4” x 13-1/4”
*Indicates only applicable for Finger Tab Duct Connector
x
SUPPLY AIR DUCT
FLOOR CAVITY
TYPICALINSTALLATIONOF
DOWNFLOWSYSTEMSOR
PLATINUMSYSTEM
The following steps describe installation in-
structions for an under-the-floor supply duct
system with a return air system that can be
either non-ducted or ducted. Duct connectors
(Table4)arerecommendedforthisapplication.
NOTE: Before installing this furnace, consider
all clearances for the installation and future
servicing of the furnace. Refer to Table 1.
ReturnAirandFilteringSystems
Furnaces may be installed with non-ducted or
ducted return air. For non-ducted return air
systems, either the optional grille and frame
assembly or the optional wall mount grille is
recommended. For ducted return air systems
with air conditioners or heat pumps, either
providing an access panel in the duct or using
the optional coil cabinet is recommended. The
duct system must be properly sized so as to
account for any additional external static pres-
sureproducedfromthechosenfilteringmethod.
NOTE: Refer to the instructions supplied with
any additional accessories for further installa-
tion details.
Filtering Methods - Non-Ducted Return Air
1. Without A/C or H/P uncased coil:
- use the filter supplied with the furnace;
ensure that the filter is installed mat side
down between the filter retainer and fur-
nace top (see Figure 4).
2. With A/C or H/P uncased coil:
- use the optional coil filters; the filter sup-
pliedwiththefurnaceisnotused;REMOVE
AND DISCARD THIS FILTER.
3. With optional coil housing:
- see coil cabinet instructions for specific
filtering methods.
Filtering Methods - Ducted Return Air
1. Without optional coil housing:
- install a filter with a minimum unrestricted
medium area of 324 square inches in the
duct above the coil that is accessible for
monthlycleaningorreplacement by home-
owner.
2. With optional coil housing:
-install a filter with a minimum unrestricted
medium area of 324 square inches in the
duct above the coil that is accessible for
monthlycleaningorreplacement by home-
owner.
OptionalDuctConnectorsfor
DownflowSystems
Duct connectors are recommended for heated
air distribution in under-the-floor duct systems.
With this system, furnaces may be installed on
Figure 5. Duct Connector Selection (Non-Platinum)
Frame
Top of
Furnace
Fasteners (4)
Grille Furnace Filter
(not used with
A/C or H/P
)
Figure 4. Grille Support Frame and Grille
Assembly

10
combustible flooring without a separate sub-
base. Also, the furnace rear mounting plate
(see Figure 3) supplied with the duct connec-
tors is recommended for use with this type of
installation.
SelectingDuctConnector
Non Platinum Duct Connector
1. Determine depth of floor cavity from sur-
face of floor to top of supply air duct (see
Figure 5).
2. Select appropriate model from Table 4
whichmatchesX-dimensionof floor cavity.
To maximize air delivery, remove reducer
(C in Figure 5) to obtain largest open area
that will fit duct/floor construction.
NOTE: Duct connectors may be
installed in any one of four positions.
Platinum Duct Connector
1. The 14” round duct connector (903896) is
designed to connect directly to a 14” flex-
duct.
PreparingFloorOpening(s)
1. Mark floor opening(s) as shown in Figure
6.Provideminimumclearancesatrearand
right side walls of closet or alcove for
installation of furnace and wiring.
2. Cutflooropeningonoutsideedgeofmarked
line so that opening is slightly larger than
area marked.
3. Additional provisions may be necessary
for optional air conditioning or heat pump if
refrigerant lines are installed elsewhere
than at the front of the furnace.
4. The refrigerant and entrance supply open-
ing dimensions may be adjusted ± 1/2”.
2-3/8" MIN
(60 mm)
"
6-1/4
23-3/4"
(603 mm)
20"
3/4"
"10
14-1/2"
(368 mm)
3" (76 mm)
"4-1/4 "5 "3-3/8
REAR WALL OF ENCLOSURE
Furnace Outer
Door
Optional Supply Wire
Entrance
Optional
Refrigerant
Line
(Not required
for Platinum)
Center Line
17"
(432 mm)
14-1/2"
(368 mm)
16-5/8"
(422 mm)
(254 mm)
(86 mm)
(127 mm)
(108 mm)
(159 mm)
(19 mm)
(508 mm)
3-3/4"
(95 mm)
Furnace
Outline
A/C Or HP
Figure 6. Downflow Floor Cutout Locations (nominal dimensions)
Table 4. Floor Cavity Sizes
If “X” Use Duct Connector
floor cavity is: Model Part Number
English Metric (mm) Finger Tab Screw Down
7/8" 22 901987 904008
2" 51 901988 904009
4 1/4" 108 901989 904010
6 1/4" 159 901990 904011
8 1/4" 210 901991 904012
10 1/4" 260 901992 904013
12 1/4" 311 901993 904014

11
Rear Wall
Cut-out Area
Optional Supply
Entrance
Mounting
Plate
Floor
Opening
Refrigerant
Line
Opening
Supply Air Duct
Cut Duct Opening
1/16th. Larger Than
Plenum Connector
Rear Wall
Secure Duct Connector &
Mtg Plate With 2 Flat Head Screws
or Nails At Dimpled Locations
Refrigerant
Line
Opening
Supply Air Duct
Mounting
Plate
Plenum Bend Connector Tabs
Under Duct Opening
Figure 7. Rear Mounting Plate
Figure 8. Duct Connector (Non Platinum)
temperature rating of 200°F and meet all
other applicable codes and standards.
1. Place duct connector through opening in
floor. See Figure 9.
2. Connect 14” supply duct.
Method B
1. Place duct connector through floor opening
with bottom tabs resting on top of supply air
duct. Mark cutout area around inside of tabs.
2. Remove duct connector and cut out duct
opening slightly larger than area marked.
3. If using optional rear mounting plate (sup-
InstallingDuctConnector
NOTE: The duct connector is designed for use
onductsdownto12" wide.Ontypicalducts,the
fingertabductconnectormaybeinstalledusing
Method B. On narrow ducts, there may be
insufficient clearance to bend the tabs on two
sides of the finger tab duct connector. In such
cases, use Method C or D. For screw down
duct connector use method E. For Platinum
models always use method A.
Method A - Platinum Series
NOTE: Flex duct used must have a minimum

12
Figure 9. Platinum Duct Connector
Mounting Plate
Duct
Connector
Secure Duct Connector and Mounting
Plate with 2 Flat-Head Screws or Nails
14" Supply Connection
plied with duct connector), install it to back
edge of floor opening (see Figure 7). Re-
install duct connector in floor opening. A
shim may be used, if necessary, to ensure
the furnace is level.
4. Secureductconnectortofloorwithtwoflat-
head fasteners at dimpled locations (see
Figure 8).
5. Secure connector to duct by bending bot-
tom tabs under and up against duct sur-
faces (see Figure 10).
Figure 10. Duct Connector Installation B
Method C
1. Attach tabs to sides of duct (one on each
side) using sheet metal fasteners or other
method, ensuring that the duct connector
is secure and sealed to the duct (see
Figure 11).
2. Seal the duct flap edges with an approved
tape or compound for a leak-free joint.
Method D
1. Scoreandcuttopofmetalductasindicatedin
Figure12,Step1orStep2. IfusingStep1,also
cut out metal from the shaded area “A”.
TABS
DUCT
1. INSERT DUCT CONNECTOR
INTO DUCT CUT-OUT
TABS
DUCT
2. BEND BOTTOM TABS OVER
AND ONTO THE UNDER-
NEATH DUCT SURFACE

13
Method E
1. Apply a bead of caulking, mastic, or other
approved sealant around bottom side of 1/2”
flange and restrictor plate, when applicable.
2. Locate the duct connector over duct and
carefully lower screw down duct connec-
tor into place.
3. Once duct connector is located on duct,
temporarily hold in place while fastening
duct connector to the floor using flat head
screws or nails. Be sure flanges of duct
connector stay in contact with the duct.
4. Screw duct connector to duct making sure
a seal is made between the duct and the
duct connector. Additional screws may be
added if required.
5. Cut away duct along edge of duct connec-
torflangeallowingthecentertodropintothe
duct. Remove section of duct with caution,
as edges will be sharp.
AlcoveInstallation
1. Cut alcove rough openings to minimum
dimensions shown in Figure 13.
2. Attach frame assembly with four fasteners
(provided or equivalent) into pre-punched
holes on top of furnace (see Figure 5).
3. At manufacturers discretion, if additional
securement is required attach each side of
frame assembly to alcove opening using
holes provided.
2. Fold the duct flap “B” up (see Figure 12,
Step 3).
3. At the front-to-back of duct run (see Figure
12,area“A”),bend the ductconnectortabs
and secure them directly to the duct.
4. At area “B”, bend the duct connector tabs
upandbackover,aroundtheductconnec-
tor (see Figure 12, step 3).
5. Fold/form the duct flap against the side of
the duct connector and attach as shown
(see Figure 12, Step 4). Use at least three
staplesoneachductflapOR...ifa2Xblock/
joist is not provided, use at least two sheet
metal fasteners on each duct flap.
6. Seal the duct flap edges with an approved
tape or compound for a leak-free joint.
Staple Folded Duct
Flap (typ) to side of
Duct Connector
Duct
STEP 4.
Cut- Out
Area "A"
STEP 1.
"B"
"B" Cut- Out
Area"A"
Fold Back Flap "B"
Fold Back Flap "B"
Top of Duct
"A" "A" "B"
"B"
Fold Back Flap"B"
Cut
Lines Duct
Fold Back Flap"B"
STEP 2.
STEP 3.
Bend Duct Connector Tabs Up
and Over- (along length of duct)
Duct
Flap "B"
Duct
Figure 12. Alternate Duct Connector Installation D
Duct
Duct Connector
Narrow Duct
Figure 11. Alternate Duct
Connector Installation C

14
20"
(508 mm)
24 3/4"
(629 mm)
A/C or H/P
Coil
Wall
Panel
Coil Air
Filters
Return
Air
Grille
Floor
56"
(1423 mm)
29"
( 737 mm)
27"
(686 mm)
Furnace
Front
18"
Nearest
Wall or
Partition
Figure 13. Typical Alcove Installation Figure 14. Typical Closet Installation
Wall-Mount
Return Air Grille
Holes (4)
Closet
Door
4. Attachreturnairgrilletoframeassemblyby
hooking grille over flange on top of frame
and into channel on bottom.
ClosetInstallation
NOTE: For closet installations, the return air
grille mounting frame is not used since the
furnace is located inside the closet (see Figure
14 and 15).
1. Cut returnairopeningin desiredpositionin
door or wall, preferably above top of fur-
nace.RefertoTable1forreturnairopening
requirements.
2. Insert fourfasteners,securinggrille todoor
or wall.
FurnaceInstallation
1. Install 240V supply circuit(s) and 24V wir-
ing to closet or alcove (see Figure 16 for
appropriate locations).
2. Remove refrigerant line knockouts in fur-
nace only when installing indoor coil of an
air conditioner or heat pump system, or for
hook-up of a VentilAire accessory when
the furnace is used in the upflow position.
Refer to instructions supplied with acces-
sory equipment.
3. Remove unit front door and slide back until
bottomslotsinrearofunitengagewithboth
tabs of optional rear mounting plate, OR...
Ifmountingplateisnotused,anequivalent
method of securing the rear of the unit may
Figure 15. Closet Installation
0" Side
Clearance
to Furnace
Cabinet
Provide min. 235
sq. in. (1516 cm )
open free area in
front or side wall
or in top of
closet door
CLOSET DOOR
6"
(152 mm)
0" Side
Clearance
to Furnace
Cabinet
Provide min. 250
sq. in. (1613 cm
2
)
open free area in
front or side wall
or in top of
closet door
CLOSET DOOR
1"
(25 mm)
Standard Closet Installation
Special 1" Clearance

15
be used as long as it prevents displace-
mentduringtransportif used inamanufac-
tured home.
NOTE: The furnace does not need to be hard
up against the rear mounting plate. The tabs will
engage into the slots and allow approximately
1/2”offurnace adjustmentfrontto backandright
to left.
4. Secure front of unit with one or more fas-
teners at mounting hole(s) provided or at
tie-down tab (see Figure 16).
Figure 17. Over-the-Floor Return Air
System with Upflow Stand
Upflow Duct
Connector
Furnace
Filters
Upflow Stand
Low Voltage Wire Entrances
Refrigerant
Line Knockouts
Blower Selector
Switch (EH Only) Tie-Down Tab
(See Inset)
Power
Supply
Wire
Entrances
Power
Supply
Wire
Entrances
Blower Selector
Switch (EH Only)
Refrigerant
Line
Knockouts
Low Voltage
Wire Entrances
Figure 16. Downflow and Upflow Installations
Tie Down Tab
DOWNFLOW INSTALLATION UPFLOW INSTALLATION
5. See Electrical System Installation to com-
plete furnace installation.
TYPICALINSTALLATIONOF
UPFLOWSYSTEMS
The following steps describe installation in-
structions for an overhead supply duct system
with a return air system that can be either over
the floor (non-ducted) or through the floor
(ducted).
NOTES:
• Before installing this furnace, consider all
clearances for the installation and future
servicing of the furnace. Refer to Table 1.
• The 2 Wire Relay Control is NOT recom-
mended for upflow applications, instead, the
AC/HP Relay Control (4-7 wire) should be
used when converting some models to ac-
cept an air conditioner. See Relay Control
installation instructions for further details.
ReturnAirandFilteringSystems
Furnaces may be installed with non-ducted or
ducted return air. For non-ducted systems with
air conditioners or heat pumps, the following
optional equipment is recommended: upflow
stand, coil cabinet, upflow duct connector, and
wall mount grille. For ducted systems with air
conditioners or heat pumps, the following op-
tional equipment is recommended: coil cabinet
and upflow duct connector.

16
Over-the-Floor Return Air System
(Non-Ducted)
1. If floor underneath furnace is made of com-
bustible material, locate a pan fabricated of
non-combustible material with 1" upturned
flanges under furnace return air opening
(see Figure 18).
2. Use optional upflow stand with filters or
construct a suitably braced mounting plat-
form in closet (see Figure 17 or 18).
3. Install 240V supply circuit(s) and 24V wir-
ing to closet (see Figure 16 for appropriate
locations).
4. Position optional coil cabinet onto upflow
standormountingplatformandsecurewith
three or more fasteners.
5. Position furnace in upflow mode onto coil
cabinet and secure with two or more fasten-
ers.
6. Use optional upflow duct connector or field
supplied connector to attach furnace to
overhead supply duct. (see Figure 17)
7. Install returnairgrillein closet preferablyat
samelevelasupflowstandor belowmount-
ing platform (see Figure 18).
NOTE: Be certain to provide an adequate free
return air area as described under Return Air
Codes and Requirements and Closed-Off
Space Requirements.
Through-the-Floor Return Air System
(Ducted)
1. Prepare Floor Opening(s):
a. Mark floor opening(s) as shown in Fig-
ure 19. Provide minimum clearances at
rear and left side walls of closet for
installation of furnace and wiring.
b. Cut floor opening on outside edge of
marked line so that opening is slightly
larger than area marked.
c. Additional provisions may be necessary
for optional air conditioning if refrigerant
lines are installed other than at the front
of the furnace.
2. If return air duct is made of combustible
material, locate a pan fabricated of non-
combustible material with 1" upturned
flanges under furnace return air opening.
3. Install 240V supply circuit(s) and 24V wir-
ing to closet (see Figure 16 for appropriate
locations).
4. Position optional coil cabinet over floor
cutout and secure with three or more fas-
teners.
NOTE: Refer to the instructions supplied with
any additional accessories for further installa-
tion details.
Filtering Methods - Non-Ducted Return Air
1. Withoutoptionalupflowstand:(seeFigure18)
-install a filter with a minimum unrestricted
medium area of 324 square inches below
the coil cabinet/furnace assembly that is
accessiblefor monthlycleaningorreplace-
ment by the homeowner
2. Withoptionalupflowstand: (seeFigure17)
-stand must use two filters; one is supplied
with the stand and the other MUST be
removedfromthefurnaceandplacedinthe
stand - see upflow stand instructions for
additional details.
Filtering Methods - Ducted Return Air
1. Install a filter with a minimum unrestricted
medium area of 324 square inches below
the coil cabinet/furnace assembly that is
accessiblefor monthlycleaningorreplace-
ment by the homeowner
ApplicationsandFurnace
Installation
NOTE: Remove refrigerant line knockouts in
furnaceonly when installing indoor coil of an air
conditioning or heat pump system.
Refer to instructions supplied with accessory
equipment.
Coil Cabinet
Air Filter
Braced
Mounting
Platform
Front
Grille
Non-combustible
Pan or
Enclosure
WALL
FLOOR
Figure 18. Over-the-Floor Return Air
System

17
5. Position furnace onto coil cabinet and se-
cure with two or more fasteners.
6. Use optional upflow duct connector or field
supplied connector to attach furnace to
overhead supply duct (see Figure 17).
ELECTRICALSYSTEM
INSTALLATION
!WARNING:
To avoid the risk of electrical shock,
personal injury or death, disconnect
all electrical power to the unit before
performing any maintenance or
service. The unit may have more than
one electrical power supply.
Codes,Specifications,and
Requirements
Thewiring, installation,andelectricalhookupof
this furnace must comply with the National
Electrical Code (or the Canadian Electrical
Code) and all regulations of local authorities
having jurisdiction. See Table 6a & 6b for mini-
mum circuit ampacity, maximum over-current
protection, and recommended wire size. See
1 3/4" MIN
(45 mm)
23 3/4"
(604 mm)
3/4"
(20 mm)
20"
(508 mm)
17 1/2"
(445 mm) 14"
(356 mm)
5 3/4"
(147 mm)
3 1/8"
(80 mm)
3"
(73 mm)
Furnace
Outer Door
For Optional
A/C Or H/P
REAR WALL OF ENCLOSURE
CENTER LINE
Furnace
Outline
18 5/8"
(474 mm)
Figure 19. Upflow Floor Cutout Locations (nominal dimensions)
the unit wiring diagram for other wiring details.
Supply-circuit requirements are as follows:
• -010modelisfactory-wiredfor single-branch
supply circuit only.
• -012 models are factory-wired for single-
branch supply circuit (single-circuit kit in-
stalled). Dual-branch circuit can be used by
removing factory-installed single-circuit kit
(see Figures 20 and 21).
• -015, -017, -020 and -023 models are
factory-wired for dual-branch supply circuit.
Single-branch circuit can be used by
installing optional single-circuit kit .
!IMPORTANT:
Note:Circuitbreakersinstalledwithin
this unit are for short-circuit
protection of the internal wiring and
to serve as a disconnect. Circuit
breakers installed within this unit DO
NOT provide over-current protection
ofthesupplywiringandthereforemay
besizedlargerthanthebranchcircuit
protection.

18
Optional
Single Circuit
Adaptor Kit
Circuit Breaker
Bracket
60A
60A
ON
ON
OFF OFF
Circuit
Breaker
Wire
Assemblies
(Factory
Installed) Supply Service
Wire Connection
With Single Circuit
Adaptor Kit
ConnectingSupplyServiceWires
1. Remove right-hand control panel (when
viewing in downflow position).
2. Locate power supply hole plugs in side of
unitandinbottomofunit. Removeappro-
priate plug(s) or knockout opening appli-
cable to recommended wire size(s).
3. Install listed cable connector(s) in
opening(s). If metal-sheathed conduit is
usedforincomingpowerline(s),providean
approved metal clamp on conduit and
secure it in entrance knockout.
4. Insert supply service wire(s) through cable
connector(s) and connect wires to circuit
breakers (Figures 20 and 21).
NOTE: To install single-circuit kit, perform
step 5. If single-circuit kit installation is not
necessary, go to step 6.
5. To install single-circuit kit:
a. Loosen lugs at supply side of circuit
breakers.
b. Remove cover from single-circuit kit (if
supplied).
Figure 20. Installation of Optional Single Circuit Adaptor Kit
Figure 21. Installation of Supply Service Wires
c. Insert metal buss bars of kit into lugs of
circuit breaker.
d. Tighten lugs securely (45 in.-lbs.
recommended).
6. Connect service ground wire(s) to ground-
inglug(s)provided. Onegroundisrequired
for each supply circuit used.
!WARNING:
To avoid personal injury or property
damage, make certain that the motor
leads cannot come into contact with
non-insulatedmetalcomponentsofthe
unit.
BlowerInstallation:
1. Turn off all electrical supply circuits to the
furnace at the main service panel.
2. Remove furnace front door and switch
furnace circuit breaker(s) to “OFF”.
60A
60A
ON
ON
OFF OFF
Circuit
Breaker
Wire
Assemblies
(Factory
Installed) Supply Service
Wire Connection
Without Single
Circuit Adaptor Kit
Circuit Breaker
Bracket

19
3. Disconnect the motor plug from the control
panel receptacle.
4. Remove one screw from left side of blower
and three screws from right side of blower;
slide blower forward and remove.
5. Installnewblowerensuringthesideflanges
engageundersidemountingtabs(threeon
oneside,oneontheother)andthelongtab
in the rear.
6. Replace screws previously removed from
blower.
7. Connectthemotorplugtothecontrolpanel
receptacle.
8. Switch circuit breaker(s) to “ON”, reinstall
furnace front door, and turn on electrical
supply circuits to the furnace.
SelectingBlowerSpeed
See Table 5 for the lowest speed approved for
the heating output of the unit. Since the blower
leads connect to the control box, blower speed
selection is accomplished through use of the
proper color-coded blower lead located inside
thecontrolbox. Thespeed(s)set by thefactory
may be different from that shown on the wiring
diagrams. See the unit control box for blower
speed(s) set at factory.
!IMPORTANT:
Ifarelayboxisinstalled,blowerspeeds
for heating and cooling are set inside
the relay box (see instructions
included with relay box). The blower
speed inside the furnace control box
must be set to low or medium-low.
Neverchangetoaheatingspeedlower
than that shown in Table 5.
Table 5. Furnace Blower Speed Data
ChangingBlowerSpeed
E2EH: The selected heating blower lead is
attached to the wire lead attached to terminal 2
of the blower selector switch.
a. Remove blower lead from the wire lead off
of terminal 2.
b. Choose desired speed.
c. Attach new blower lead to wire lead off
terminal 2 of blower selector switch.
E2EB: The selected heating blower lead is
attached to the heating blower relay. The
selected cooling blower lead is attached to the
cooling blower relay.
a. Remove heating blower lead from heating
blower relay.
b. Choose desired speed and install new
blower lead onto blower relay for new
heating speed.
c. Remove cooling blower lead from cooling
blower relay.
d. Installnewblowerleadontoblowerrelayfor
new cooling speed.
See Table 7 for blower performance data.
One Speed for both Heating and
Cooling
Ifyou wouldliketohavethesameblowerspeed
for both heating and cooling do the following:
a. Remove the cooling blower lead from the
coolingrelayandremovetheheatingblower
lead from the amp terminal on the heating
relay.
b. Attach the white jumper wire (found in the
wire tie) to the cooling relay and the amp
terminal on the heating relay.
c. Choose desired speed and attach that
blower lead to the amp terminal on the
heating relay.
Plug/Receptacle Position Pin1 Pin2 Pin3 Pin4
2 Speed Blower Low High - -
3 Speed Blower (Alternate) - Low Med High
4 Speed Blower Low Med-Lo Med-Hi High
Control Box Blower Lead Red Yellow Blue Black
Minimum approved
speed for all models.

20
Circuit "A" Circuit "B"
Model
Number Wire Gauge Wire Gauge
E2E(*) and Type Breaker Size and Type Breaker Size
-12-HB #8 NM-B 40 amp #10 NM-B 30 amp
-15-HB #8 SEU 50 amp #8 NM-B 40 amp
-15-HR #6 SEU 60 amp #10 NM-B 30 amp
-17-HB #6 SEU 60 amp #10 NM-B 30 amp
-20-HB #6 SEU 60 amp #6 SEU 60 amp
-23-HB #6 SEU 60 amp #6 SEU 60 amp
Copper Wire Size - See
Caution Below
60°C 90°C
(e.g., Romex) (e.g., SEU)
-010-HB Single 45.5 60 57 4 6 10
Single 52.1 70 65 4 6 8
Dual "A" 28.0 40 35 8 8 10
Dual "B" 24.2 30 30 10 10 10
Single 66.3 90 83 2 4 8
Dual "A" 35.1 50 44 6 8 10
Dual "B" 31.3 40 39 8 8 10
Single 71.3 90 89 2 4 8
Dual "A" 48.0 60 60 4 6 10
Dual "B" 22.5 30 28 10 10 10
Single 71.3 90 89 2 4 8
Dual "A" 48.0 60 60 4 6 10
Dual "B" 22.5 30 28 10 10 10
Single 87.1 125 109 0 2 6
Dual "A" 45.5 60 57 4 6 10
Dual "B" 41.7 60 52 4 6 10
Single 93.8 125 117 0 2 6
Dual "A" 48.0 60 60 4 6 10
Dual "B" 45.5 60 56 4 6 10
-012-HB
-015-HB
-017-HB
-020-HB
-023-HB
-015-HR
2-Wire
system
maximum
wire lengths:
24 Ga.= 55'
22 Ga.= 90'
20 Ga.= 140'
18 Ga.= 225'
4 or more
Wire
systems
maximum
wire lengths:
24 Ga.= 25'
22 Ga.= 45'
20 Ga.= 70'
18 Ga= 110'
Low
Voltage
Thermostat
Wire Size
Ground
Wire
Size
Minimum
Circuit
Ampacity
Maximum
Over-current
Rating
Total
Amperes
Supply
Circuit
Model
Number
E2E(*)
* Can be H or B
CAUTION: When sizing the wire, you must follow the guidelines of the latest revision
of the NEC. NM-B wire is equivalent to “Romex” cable. SEU is equivalent to service entry
cable. For NEC type NM-B wire, you must size the wire using 60C ratings per NEC article
326.
Minimum overcurrent protection per NEC 424-3b not to be less than 125% of total amps
for fixed resistance heat.
Table 6a. Electrical Specifications
Table 6b. Recommended Electrical Application Guide for Dual Circuit Installations**
**Alternate wiring combinations can be used. Refer to the latest revision of the NEC for
these appropriate alternate combinations.