Instruction/ maintenance manual of the product E3 Nordyne
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IMPORT ANT : Read this owner inf ormation to become familiar with the capabilities and use of y our heating appliance . Keep this literature where y ou will have easy access to it in the future. If a pr oblem occur s, check the instructions and follo w recommenda- tions give n.
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3 Indoor Coil (optional) Coil Air Filters (used with indoor coil) Furnace Air Filter ( NOT used with coil air filters) Control P anel Cover (left) Data Label Circuit Breaker s Control P anel Cover (right) Blower Figure 1.
4 T o Operate System in Cooling Mode NO TE: The “F AN ON/F AN A UT O” (f an switch) and “HEA T/OFF/COOL ” (system s witch) are located either on your thermostat (if it’ s supplied with a sub-base) or on the rela y box added to your furnace. 1.
5 BEFORE YOU CALL A SERVICEMAN 1. Make sure ther mostat temperature selector is set abov e room temperature f or heating or below room temper ature for cooling.
6 P ower entrance f or all models ma y be through the right side or through the bottom of the unit (when viewing the unit in a do wnfl o w position). UNIT CHECK OUT Bef ore installing this fur nace: 1. Inspect unit for possib le shipping damage. If shipping damage is f ound, fi le claim with transpor tation company .
7 Return Air Codes and Requirements Unducted retur n air systems ma y be used f or closet or alcov e installations. NO TE: Applicable installation codes ma y limit the fur nace to installation in a single-story residence only . Fur nace installations other than closet or alcov e installations require ducted retur n air systems.
8 T able 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 fi lters. 3) For upfl ow or downfl ow installations.
9 T able 3. Unit Specifi cations 1. Heating output rated at listed v oltage. F or outputs at voltages other than 240V , multiply Btuh rating by the f ollowing factors: x 0.92 (230V), x 0.84 (220V), x 0.75 (208V) 2. Height is 56” with retur n air grille installed, 58” with coil cabinet and 72” with coil cabinet and upfl o w stand.
10 NO TE: Ref er to the instr uctions supplied with any additional accessories f or fur ther installa- tion details. Filtering Methods - Non-Ducted Return Air 1.
11 Preparing Floor Opening(s) 1. Mar k fl oor opening(s) as shown in Figure 6. Provide minimum clear ances at rear and right side walls of closet or alcov e f or installation of fur nace and wiring. 2. Cut fl oor opening on outside edge of marked line so that opening is slightly larger than area marked.
12 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 Figure 7.
13 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 Method D 1. Score and cut top of metal duct as indicated in Figure 12, Step 1 or Step 2.
14 Alco ve Installation 1. Cut alcov e rough openings to minimum dimensions shown in Figure 13. 2. Attach frame assemb ly with four f asteners (provided or equiv alent) into pre-punched holes on top of fur nace (see Figure 5).
15 20" (508 mm) 24 3/4" (629 mm) A/C or H/P Coil W all P anel Coil Air Filters Return Air Gr ille Floor 56" (1423 mm) 29" ( 737 mm) 27" (686 mm) Furnace Front 18" Nearest Wall or Partition Figure 13. T ypical Alcove Installation Figure 14.
16 NO TES: • Bef ore installing this fur nace , consider all clearances f or the installation and future ser vicing of the furnace. Refer to T ab le 1.
17 3. Install 240V supply circuit(s) and 24V wir- ing to closet (see Figure 16 f or appropr iate locations). 4. P osition optional coil cabinet ov er fl oor cutout and secure with three or more f asteners. 5. P osition fur nace onto coil cabinet and secure with two or more f asteners.
18 • -010 model is factory-wired for single-branch supply circuit only . • -012 models are f actor y-wired f or single- branch supply circuit (single-circuit kit in- stalled). Dual-branch circuit can be used by removing f actor y-installed single-circuit kit (see Figures 20 and 21).
19 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 6. Connect ser vice ground wire(s) to grounding lug(s) provided.
20 IMPOR T ANT : If a relay bo x is installed, blower speeds for heating and cooling are set inside the relay bo x (see instructions included with rela y bo x). The blower speed inside the furnace control bo x must be set to lo w or medium-low . Never c hange to a heating speed lower than that shown in T able 5.
21 SYSTEM CHECK OUT Chec king Installation 1. Refer to appropriate wiring diagram and recheck all wiring connections. Ensure that all connections are tight. 2 . Check blower motor and relay box con- nectors f or proper connection. 3. Reinstall control bo x cov er(s).
22 * Can be H or B CA UTION: When sizing the wire, y ou must f ollow the guidelines of the latest re vision of the NEC. NM-B wire is equiv alent to “Romex” cable. SEU is equiv alent to ser vice entr y cable . For NEC type NM-B wire , you must size the wire using 60C r atings per NEC ar ticle 326.
23 TRANSFORMER 240V 24V ELEMENTS TOP ELEMENTS, 10.0 KW H MH ML L C ORANGE RED BLACK GREY ORANGE GREY BLACK BLUE YELLOW RED WHITE RED BLACK BLACK CONT ACT OR LIMITS RED 1 5 2 BLOWER RELA Y 3 6 4 GREEN .
24 W ARNING: Switch cir cuit breakers to the OFF position before servicing the furnace . Figure 27. E3EB 012H Wiring Diagrams NO TES: 1) See unit data label f or recommended supply wire sizes . 2) Thermostat anticipator setting: 0.20 Amps. 3) T o change b lower speed on units without a rela y bo x refer to installation instructions.
25 TRANSFORMER 240V 24V CONT ACT OR LIMITS TOP ELEMENTS, 10.0/10.8 KW ELEMENTS BOTT OM ELEMENT , 5.0/5.4 KW H MH ML L C BLACK RED BLACK GREY ORANGE GREY BLACK BLUE BLACK RED 1 5 2 BLO WER RELA Y 3 6 4.
26 ! W ARNING: Switch cir cuit breakers to the OFF position before servicing the furnace . Legend: CB – Circuit Breaker E – Heater Element IFR – Fan Rela y Cont – Contactor LS – Limit Switch.
27 Figure 30. E3EX 010H Figure 31. E3EX 012H Notes : 1) See unit data label for recommended supply wire sizes . 2) Ther mostat anticipator setting : 0.
28 Notes : 1) See unit data label for recommended supply wire siz es. 2) Thermostat anticipator setting : 0.40 Amps 3) T o change blo wer speed on units without a relay bo x installed refer to installation instructions 4) Refer to furnace and/or rela y box installation instructions for thermostat connections.
29 Figure 35. E3 Furnace Low V oltage Wiring if Installed with Platin um Series Models T ypical AC R G W Y Ye l l o w Black PLA TINUM THERMOST A T Y ellow or Blue White Green Red Wire from furnace to .
30 Furnace Inspection Report Please Write In Appropriate Response Electrical Wiring (If single circuit, write “N/A” in circuit B) Circuit A Circuit B Breaker Size? Furnace Wire Size? Thermostat Wi.
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O’F allon, MO 7088270 Specifi cations and illustrations subject to change without notice and without incurring obligations. Printed in U.S .A. (07/08) ¢708827H¤ 7088270 INSTALLER: Do Not Discard .
An important point after buying a device Nordyne E3 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Nordyne E3 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Nordyne E3 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Nordyne E3 you will learn all the available features of the product, as well as information on its operation. The information that you get Nordyne E3 will certainly help you make a decision on the purchase.
If you already are a holder of Nordyne E3, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Nordyne E3.
However, one of the most important roles played by the user manual is to help in solving problems with Nordyne E3. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Nordyne E3 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
