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Downflow, Upflow Electric Furnaces
Owners Manual/Installation Instructions
E2 Series
(Air Conditioner/Heat Pump Air Handler)
IMPORTANT: Read this owner information
to become familiar with the capabilities and
use of your heating appliance. Keep this
literature where you will have easy access to
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
vicinity of this or any other appliance.
Improper installation, adjustment,
alteration, service or maintenance can
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.
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Table of Contents
Related Manuals for Nordyne E2 Series
Summary of Contents for Nordyne E2 Series
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Page 1: Section 1. Owner Information
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 vicinity of this or any other appliance. -
Page 2: Furnace Parts/Model Identification
Temperature Selector Temperature Scales 50 60 70 80 90 Fan Switch (optional sub-base) System Switch Indoor Coil SYSTEM VENTILATE (optional sub-base) (optional) HEAT OFF COOL ON AUTO Coil Air Filters (used with indoor coil) Furnace Air Filter (NOT used with coil air filters) Blower Selector Switch (EH only) -
Page 3: Maintenance Instructions
for several hours with all air registers open. CAUTION: With system on, check temperature in all rooms. Partially close registers in rooms that are For optional A/C or H/P systems, too warm (in heating mode) or too cool (in always wait at least five minutes after cooling mode) and in rooms that are infre- the system shuts off before restarting quently occupied. -
Page 4: Section 2. Installer Information
E2E(-) Series electric furnaces are available in AND HEAT PUMP two models. E2EH models are equipped with Your E2 Series electric furnace is approved for the standard two-speed blower. E2EH models use with an optional central air conditioner or a can be easily converted for use with NORDYNE heat pump. - Page 5 This installation provides an ac- Furnace Codes cess door for future installation of NORDYNE air conditioning or heat pump coils on top of the Installation and wiring of this furnace, as well as furnace.
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Page 6: Optional Equipment
• Location of Openings: Duct system must be designed so that no supply registers are OPTIONAL EQUIPMENT located in duct system directly below furnace. Contact your nearest NORDYNE distributor for a complete list of electric furnace accessories. Return Air Codes and Requirements... - Page 7 Item Number (See Fig. 1) Description 4-Speed Blower 4 Ton - See Notes: 1 & 5 27" (686 mm) 5 Ton - See Note: 1 A.C./H.P. Relay Control See Note: 1 Cabinet Insulation Kit See Notes: 1 & 5 "A"-Coil Conversion Kit See Note: 2 29"...
- Page 8 Electric Furnace Models E2EH E2EB 010H 012H 015H 017H 020H 023H 010H 012H 015H 017H 020H 023H 023H 5 Ton Rated Heating Output, Btuh (see note1) 35,000 41,000 53,000 57,000 70,000 75,000 35,000 41,000 53,000 57,000 70,000 75,000 75,000 Watts (Total kw, Heating Elements and Blower) 10.4 12.0...
- Page 9 combustible flooring without a separate sub- If “X” Use Plenum base. Also, the furnace rear mounting plate floor cavity is: Connector Model (see Figure 3) supplied with the plenum connec- English Metric (mm) Order No. tors is recommended for use with this type of 7/8"...
- Page 10 Filtering Methods - Non-Ducted Return Air Frame Without A/C or H/P uncased coil: - use the filter supplied with the furnace; Fasteners (4) ensure that the filter is installed mat side down between the filter retainer and fur- Top of Furnace nace top (see Figure 5).
- Page 11 Rear Wall Mounting Plate Floor Opening Optional Supply Entrance Cut-out Area Refrigerant Line Opening Supply Air Duct Cut Duct Opening 1/16th. Larger Than Plenum Connector Figure 7. Rear Mounting Plate Secure Plenum Connector & Mtg Plate With 2 Flat Head Screws or Nails At Dimpled Locations Mounting Rear Wall...
- Page 12 TABS Duct Connector DUCT 1. INSERT PLENUM CONNECTOR INTO DUCT CUT-OUT TABS Narrow Duct DUCT Duct 2. BEND BOTTOM TABS OVER AND ONTO THE UNDER- NEATH DUCT SURFACE Figure 10. Alternate Plenum Figure 9. Plenum Connector Installation A Connector Installation B If using optional rear mounting plate (sup- Method B plied with plenum connector), install it to...
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Page 13: Furnace Installation
Holes (4) Wall Return Panel Grille Coil Air Filters 27" (686 mm) 56" (1423 mm) A/C or H/P Coil Wall-Mount 29" Return Air Grille ( 737 mm) 24 3/4" (629 mm) Closet Door 20" (508 mm) Floor Figure 12. Typical Alcove Installation Figure 13. -
Page 14: Downflow Installation
Power Supply Refrigerant Wire Line Entrances Knockouts Power Supply Blower Selector Wire Switch (EH Only) Refrigerant Entrances Line Knockouts Tie Down Tab Blower Selector Tie-Down Tab Switch (EH Only) (See Inset) Low Voltage Wire Entrances DOWNFLOW INSTALLATION UPFLOW INSTALLATION Figure 14. Downflow and Upflow Installations Secure front of unit with one or more fas- NOTE: Refer to the instructions supplied with teners at mounting hole(s) provided or at... - Page 15 Over-the-Floor Return Air System Upflow Duct (Non-Ducted) Connector 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 Furnace (see Figure 16). Ensure that return air passage has no openings through support- ing structure that would permit flame or hot gases to travel from space below up into...
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Page 16: Electrical System Installation
REAR WALL OF ENCLOSURE CENTER LINE 1 3/4" MIN (45 mm) 17 1/2" Furnace 18 5/8" (445 mm) Outline (474 mm) 14" (356 mm) 23 3/4" (604 mm) 3 1/8" (80 mm) For Optional A/C Or H/P 3/4" (20 mm) 5 3/4"... -
Page 17: Selecting Blower Speed
Insert supply service wire(s) through cable connector(s) and connect wires to circuit WARNING: breakers (Figures 18 and 19). NOTE: To install single-circuit kit, perform To avoid personal injury or property step 5. If single-circuit kit installation is not damage, make certain that the motor necessary, go to step 6. -
Page 18: Changing Blower Speed
Installing Control Circuit Wiring IMPORTANT: NOTE: Installation of a five-wire thermostat circuit is recommended to provide for future If a relay box is installed, blower speeds addition of a heat/cool thermostat. for heating and cooling are set inside Install the 24V control-circuit cable through the relay box (see instructions plastic bushing at either side of furnace. - Page 19 Sizes* Model Max Over- Min. 75°C Copper Low-Voltage Supply E2EH/ Total Current Circuit Thermostat Wire E2EB- Circuit Amperes Rating Ampacity Wire Size Ground Size Size 45.5 Single Single 52.1 Dual "A" 28.0 2-Wire system max "B" 24.2 wire lengths : 66.3 Single 24 Ga.
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Page 20: E2Eh 010 Wiring Diagrams
NOTES: 1) See unit data label for recommended supply wire sizes. 5) If any wire in this unit is to be replaced it must be CB-A CB-A 2) Thermostat anticipator setting: 0.20 Amps. replaced with 105°C thermoplastic copper wire of Grey Black 3) To change blower speeds on units without a relay box refer... -
Page 21: E2Eh 012 Wiring Diagrams
NOTES: CB-B CB-B 5) If any wire in this unit is to be replaced it must be 1) See unit data label for recommended supply wire sizes. replaced with 105°C thermoplastic copper wire of 2) Thermostat anticipator setting: 0.20 Amps. the same gauge. - Page 22 NOTES: CB-B CB-B 5) If any wire in this unit is to be replaced it must be 1) See unit data label for recommended supply wire sizes. 2) Thermostat anticipator setting: 0.40 Amps. replaced with 105°C thermoplastic copper wire of 3) To change blower speeds on units without a relay box refer the same gauge.
- Page 23 NOTES: CB-B CB-B 5) If any wire in this unit is to be replaced it must be 1) See unit data label for recommended supply wire sizes. 2) Thermostat anticipator setting: 0.40 Amps. replaced with 105°C thermoplastic copper wire of the same gauge.
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Page 24: E2Eb 010 Wiring Diagrams
NOTES: Red Jumper Wire 5) If any wire in this unit is to be replaced it must be 1) See unit data label for recommended supply wire sizes. CB-A (See note 8) CB-A 2) Thermostat anticipator setting: 0.20 Amps. replaced with 105°C thermoplastic copper wire of Grey Black 3) To change blower speeds on units without a relay box refer... -
Page 25: E2Eb 012 Wiring Diagrams
NOTES: CB-B CB-B 1) See unit data label for recommended supply wire sizes. 5) If any wire in this unit is to be replaced it must be replaced with 105°C thermoplastic copper wire of 2) Thermostat anticipator setting: 0.20 Amps. 3) To change blower speeds on units without a relay box refer the same gauge. -
Page 26: E2Eb 015/17 Wiring Diagrams
NOTES: CB-B CB-B 5) If any wire in this unit is to be replaced it must be 1) See unit data label for recommended supply wire sizes. 2) Thermostat anticipator setting: 0.40 Amps. replaced with 105°C thermoplastic copper wire of the same gauge. -
Page 27: E2Eb 020/23 Wiring Diagrams
NOTES: CB-B CB-B with 105°C thermoplastic copper wire of the same 1) See unit data label for recommended supply wire sizes. gauge. 2) Thermostat anticipator setting: 0.40 Amps. Seq 2 6) Not suitable for use on systems exceeding 120V to 3) To change blower speeds on units without a relay box refer Seq 2 Top -... -
Page 28: E2Eb Thermostat Connection
5-Wire Thermostat 4-Wire Thermostat Y RC RH G Wire Wire To A/C To A/C nuts nuts E2EB FURNACE Control Plug E2EB FURNACE Control Plug (6-pin matrix) (6-pin matrix) 2-Wire Thermostat Heat Pump Thermostat Unstripped Wire Wires nuts Wire nuts E2EB FURNACE Control Plug E2EB FURNACE Control Plug (6-pin matrix) (6-pin matrix)