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Downfl ow, Upfl ow Electric Furnaces
Owners Manual/Installation Instructions
E3 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
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Temperature Selector 10 20 30 Temperature Scales 50 60 70 80 90 Fan Switch (optional sub-base) System Switch Indoor Coil SYSTEM VENTILATE (optional sub-base) HEAT OFF COOL ON AUTO (optional) Coil Air Filters (used with indoor coil) Furnace Air Filter (NOT used with coil air filters) Blower Circuit Breakers Data Label Control Panel Cover (left) Control Panel Cover (right) Figure 1. Furnace Parts Identifi cation E 3 EB - 010 H Product Type Electrical Code E - Electric Furnace H
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To Operate System in Cooling Mode To Shut Off System 1. Make sure blower selector switch is on NOTE: The “FAN ON/FAN AUTO” (fan switch) “Auto”. and “HEAT/OFF/COOL” (system switch) are 2. Set thermostat temperature selector to located either on your thermostat (if it’s supplied lowest temperature setting, OR... with a sub-base) or on the relay box added to 3. For thermostats with optional sub-base (see your furnace. Figure 1), or for systems with relay box, set system switch to “OFF.” 1.
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SECTION 2. BEFORE YOU CALL A SERVICEMAN 1. Make sure thermostat temperature selector INSTALLER INFORMATION is set above room temperature for heating GENERAL or below room temperature for cooling. If These instructions and specifi cations are pri- thermostat is equipped with heating/cool- marily intended to assist qualifi ed individuals ing sub-base, make sure system switch experienced in the proper installation of home (see Figure 1) is set to “HEAT” for furnace heating and air conditionin
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Power entrance for all models may be through the � American National Standards (ANSI) A119.11, right side or through the bottom of the unit (when C1-NFPA 7 (National Electrical Code) viewing the unit in a downfl ow position). � CANADIAN STANDARDS (C.S.A.) Z240.6.1, and Z240.9.1. UNIT CHECKOUT All local codes having jurisdiction shall also Before installing this furnace: apply. 1. Inspect unit for possible shipping damage. If shipping damage is found, fi le claim with Air Duct Codes and Spe
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Return Air Codes and Requirements Return Air Grille A return air grille and frame assembly (see Figure Unducted return air systems may be used for 2) is available for use in unducted return air instal- closet or alcove installations. lations. In downfl ow alcove installations, the grille and frame assembly may be mounted directly NOTE: Applicable installation codes may limit the to the top of the furnace. In closet installations, furnace to installation in a single-story residence a wal
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20" (508 mm) 23 3/4" (603 mm) 8 Item Number Description (See Figure) 7 4-Speed Blower 1 4 Ton - See notes: 1 & 5 5 Ton - See Note: 1 4 27" A.C./H.P. Relay Control (686 mm) 2 See Note: 1 Cabinet insulation Kit 3 See Notes: 1 & 5 A-Coil Conversion Kit 4 See Note: 2 1 Coil Cabinet 5 2 See Note: 3 29" Upfl ow Stand 6 (737 mm) See Note: 4 3 7 A/C and H/P Indoor Coils Return Air Grille and 8 Frame Notes: 1) For A/C and H/P use. 2) Includes coil fi lters. 3) For upfl ow or downfl ow installations. 4)
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Table 3. Unit Specifi cations E3EH Electric Furnace Models 010H 012H 015H 017H 020H 023H Rated Heating Output, Btuh 35,000 41,000 53,000 57,000 70,000 75,000 (see note 1) Watts (Total kw, Heating 10.4 12.0 15.4 16.6 20.4 22.0 Elements and Blower) Supply Voltage 240 Volts/60Hz/1-Phase Heating Elements, 2 (10.0) 2 (11.6) 3 (15.0) 3 (16.2) 4 (20.0) 4 (21.6) No.(Total kw) Blower Wheel Size 10.5" Dia., 8" Wide Motor Speed, 2 Speed, 1/5
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(see Figure 3) supplied with the duct connec- NOTE: Refer to the instructions supplied with tors is recommended for use with this type of any additional accessories for further installa- installation. tion details. Filtering Methods - Non-Ducted Return Air Selecting Duct Connector 1. Without A/C or H/P uncased coil: Non Platinum Duct Connector - use the fi lter supplied with the furnace; 1. Determine depth of fl oor cavity from surface ensure that the fi lter is installed mat side of fl oor to
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Preparing Floor Opening(s) If "X" Use Duct Connector 1. Mark fl oor opening(s) as shown in Figure fl oor cavity is: Model Part Number 6. Provide minimum clearances at rear Metric Finger Screw and right side walls of closet or alcove for English (mm) Tab Down installation of furnace and wiring. 7/8" 22 901987 904008 2. Cut fl oor opening on outside edge of marked 2" 51 901988 904009 line so that opening is slightly larger than 4 1/4" 108 901989 904010 area marked. 6 1/4" 159 901990 904011 3. A
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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 Duct Connector & Mtg Plate With 2 Flat Head Screws or Nails At Dimpled Locations Mounting Rear Wall Plate Plenum Bend Connector Tabs Under Duct Opening Refrigerant Line Opening Supply Air Duct Figure 8. Duct Connector (Non Platinum) Method B 4. Secure duct connector to fl o
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Secure Duct Connector and Mounting Plate with 2 Flat-Head Screws or Nails Mounting Plate Duct Connector 14" Supply Connection Figure 9. Platinum Duct Connector Method D 5. Fold/form the duct fl ap against the side of 1. Score and cut top of metal duct as indicated the duct connector and attach as shown in Figure 12, Step 1 or Step 2. If using Step (see Figure 12, Step 4). Use at least three 1, also cut out metal from the shaded area staples on each duct fl ap OR... if a 2X “A”. block/joist
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2. Locate the duct connector over duct and Alcove Installation carefully lower screw down duct connector 1. Cut alcove rough openings to minimum into place. dimensions shown in Figure 13. 3. Once duct connector is located on duct, 2. Attach frame assembly with four fasteners temporarily hold in place while fastening (provided or equivalent) into pre-punched duct connector to the fl oor using fl at head holes on top of furnace (see Figure 5). screws or nails. Be sure fl anges of duct 3. A
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6" (152 mm) 1" (25 mm) Holes (4) Wall Return Panel Air Grille Coil Air Filters 27" (686 mm) 56" (1423 mm) A/C or H/P Coil 29" Wall-Mount ( 737 mm) 24 3/4" Return Air Grille (629 mm) Furnace Front Closet 18" Door Nearest 20" Wall or (508 mm) Floor Partition Figure 13. Typical Alcove Installation Figure 14. Typical Closet Installation 2. Remove refrigerant line knockouts in fur- Provide min. 235 nace only when installing indoor coil of an sq. in. (1516 cm ) open free area in air conditioner o
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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) Low Voltage (See Inset) Wire Entrances DOWNFLOW INSTALLATION UPFLOW INSTALLATION Figure 16. Downfl ow and Upfl ow Installations NOTES: Return Air and Filtering Systems � Before installing this furnace, consider all Furnaces may be installed with unducted or clearances for the installation and fut
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3. Install 240V supply circuit(s) and 24V wir- Applications and Furnace ing to closet (see Figure 16 for appropriate Installation locations). NOTE: Remove refrigerant line knockouts in 4. Position optional coil cabinet over fl oor cutout furnace only when installing indoor coil of an and secure with three or more fasteners. air conditioning or heat pump system. 5. Position furnace onto coil cabinet and secure with two or more fasteners. Refer to instructions supplied with accessory 6. Use
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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" 3" (147 mm) (73 mm) Furnace 20" Outer Door (508 mm) Figure 19. Upfl ow Floor Cutout Locations (nominal dimensions) � -010 model is factory-wired for single-branch Connecting Supply Service Wires supply circuit only. 1. Remove right-hand control panel (when � -012 models are factory-wired for single- vi
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ON ON 60A 60A OFF OFF ON ON 60A 60A OFF OFF 6. Connect service ground wire(s) to grounding 5. Install new blower ensuring the side fl anges lug(s) provided. One ground is required for engage under side mounting tabs (three on each supply circuit used. one side, one on the other) and the long tab in the rear. 6. Replace screws previously removed from blower. WARNING: 7. Connect the motor plug to the control panel To avoid personal injury or property receptacle. damage, make certain that th
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terminal 4 on blower relay and is the blue wire attached to the motor pin terminals 1-3. IMPORTANT: a. Remove heating and cooling leads from If a relay box is installed, blower motor terminals 1-5. speeds for heating and cooling are set b. Choose desired speeds and seat terminal inside the relay box (see instructions back into motor terminals 1-5. included with relay box). The blower speed inside the furnace control box Same Speed, Heating and A/C: Use loose white jumper wire supplied
