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INSTALLATION MANUAL
ELECTRIC FURNACE
MODELS: EB*/EU*
Downflow/Upflow
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
UNIT INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
ELECTRIC FURNACE INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . 4
Furnace Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Alcove & Closet Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Upflow Closet Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Duct Connector Depth (7990 Series) . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Duct Connector Dimensions (7990 Series) . . . . . . . . . . . . . . . . . . . . . 4
Recommended Floor Cut-out (7990 Series) . . . . . . . . . . . . . . . . . . . . 4
Duct Connector Screw Attachment (7990 Series) . . . . . . . . . . . . . . . . 5
Duct Connector Tab Attachment (7990 Series) . . . . . . . . . . . . . . . . . . 5
Installation of Furnace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Field Wiring Shield . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Duct Connector for Electric Furnaces . . . . . . . . . . . . . . . . . . . . . . . . . 4
Wiring Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
SECTION I: GENERAL
The following list includes important facts and information regarding the
EB/EU furnace and its packaging inclusions:
1.
Furnace is rated at 240 volts, 60 Hz, single phase.
2.
Filters are furnished with EB model, and are the same for all EB
models - 16 x 20 x 1 in top and 20 x 20 x 1 in the louvered door.
3.
Furnace size is the same for all models. See Figure 1.
4.
Four-wire thermostat operation for heating and cooling.
5.
Coil cavity built into furnace (coil shelf accessory required for EB
model).
6.
All furnaces are equipped with an air conditioner blower and is A/C
or Heat Pump ready (coil shelf accessory required for EB model).
7.
Holding strap furnished on top rear of furnace.
8.
The EB furnace is designed for downflow application, and the EU
furnace is designed for upflow application.
9.
This furnace must not be operated without the front panel
installed.
NOTICE
This furnace and its components listed on the A/C and Heat Pump
equipment sticker are listed in combination as a system by Under-
writer's Laboratories for the United States and Canada.
Johnson Controls Unitary Products
For Installation In:
1. Manufactured (Mobile) Homes
2. Recreational Vehicles & Park Models
3. Modular Homes & Buildings
LIST OF SECTIONS
THERMOSTAT INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
OPTIONAL AIR CONDITIONING ACCESSORIES . . . . . . . . . . . . . . 9
WIRING DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
LIST OF FIGURES
Thermostat Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Thermostat Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
EB/EU10* Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
EB/EU12* Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
EB/EU15* Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
EB/EU17* Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
EB/EU20* Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
EB/EU23* Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
LIST OF TABLES
EB/EU Series Blower Performance . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Physical and Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
FIGURE 1: Furnace Dimensions
®
5393776-BIM-B-0817
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Table of Contents
Related Manuals for Johnson Controls Unitary Products EB Series
Summary of Contents for Johnson Controls Unitary Products EB Series
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Page 1: Table Of Contents
This furnace and its components listed on the A/C and Heat Pump equipment sticker are listed in combination as a system by Under- writer's Laboratories for the United States and Canada. FIGURE 1: Furnace Dimensions Johnson Controls Unitary Products 5393776-BIM-B-0817... -
Page 2: Safety
• Canadian Electrical Code, Part I (CSA C22.1) gain calculation for the structure. ACCA, Manual J or other • All local codes (state/county/township). approved methods may be used. NOTICE All applicable codes take precedence over any recommendation made in these instructions. Johnson Controls Unitary Products... -
Page 3: Unit Installation
The number, size and placement of registers should be such that even distribution of heat is provided throughout the home. Johnson Controls Unitary Products... -
Page 4: Electric Furnace Installation
FIGURE 4: Duct Connector Depth (7990 Series) These duct connectors are for connecting the furnace to an under the floor supply duct system. The furnace may be installed on combustible flooring without a separate sub-base. FIGURE 6: Recommended Floor Cut-out (7990 Series) Johnson Controls Unitary Products... -
Page 5: Duct Connector Screw Attachment (7990 Series)
Place locating bracket (supplied with the duct connector) to the may provide an equivalent method, such as screws through the rear of the floor area for the furnace. See Figure 8. casing side. FIGURE 8: Duct Connector Tab Attachment (7990 Series) Johnson Controls Unitary Products... -
Page 6: Wiring Requirements
Medium High - with A-Coil in place CFM (STD. Air) 1340 1317 1290 1252 1208 1158 1095 1021 High - with A-Coil in place CFM (STD. Air) 1573 1534 1490 1435 1369 1309 1237 1135 1019 Johnson Controls Unitary Products... -
Page 7: Field Wiring Shield
As Shipped, the jumper bar assembly is set up for bottom entry. For side entry, the top lug can be removed and re-positioned, as shown, to provide TRANSFORMER proper wire bending clearances. LIMIT SWITCHES GROUND LUGS A0345-001 FIGURE 11: Control Box Johnson Controls Unitary Products... -
Page 8: Thermostat Installation
Cycle furnace using the thermostat to make sure it operates correctly. Maintenance and operating instructions are in the customer envelope accompanying the furnace. Give the customer envelope to the home owner. FIGURE 12: Thermostat Wiring FIGURE 13: Thermostat Wiring Johnson Controls Unitary Products... -
Page 9: Optional Air Conditioning Accessories
18-1/4” and no deeper than 20-1/2”. NOTICE If the controls are located at the top of the unit, the furnace is an upflow furnace and the airflow is forced up through the furnace and into the airways. Johnson Controls Unitary Products... -
Page 10: Wiring Diagrams
OFF AT HOUSEHOLD SERVICE BOX. CHECK WITH A VOLTMETER OR OTHER PROPER INSTRUMENT. CAUTION -HAZARD OF ELECTRICAL SHOCK- SERVICE CONNECTION COVER MUST BE INSTALLED. IMPORTANT - IF FILTERS ARE USED, CLEAN/REPLACE EACH SEASON OR MORE OFTEN IF NEEDED. 5166485-UWD-B-0617 FIGURE 14: EB/EU10* Wiring Diagram Johnson Controls Unitary Products... -
Page 11: Eb/Eu12* Wiring Diagram
OFF AT HOUSEHOLD SERVICE BOX. CHECK WITH A VOLTMETER OR OTHER PROPER INSTRUMENT. CAUTION -HAZARD OF ELECTRICAL SHOCK- SERVICE CONNECTION COVER MUST BE INSTALLED. IMPORTANT - IF FILTERS ARE USED, CLEAN/REPLACE EACH SEASON OR MORE OFTEN IF NEEDED. 5166512-UWD-B-0617 FIGURE 15: EB/EU12* Wiring Diagram Johnson Controls Unitary Products... -
Page 12: Eb/Eu15* Wiring Diagram
OFF AT HOUSEHOLD SERVICE BOX. CHECK WITH A VOLTMETER OR OTHER PROPER INSTRUMENT. CAUTION -HAZARD OF ELECTRICAL SHOCK- SERVICE CONNECTION COVER MUST BE INSTALLED. IMPORTANT - IF FILTERS ARE USED, CLEAN/REPLACE EACH SEASON. OR MORE OFTEN IF NEEDED. 5166513-UWD-B-0617 FIGURE 16: EB/EU15* Wiring Diagram Johnson Controls Unitary Products... -
Page 13: Eb/Eu17* Wiring Diagram
OFF AT HOUSEHOLD SERVICE BOX. CHECK WITH A VOLTMETER OR OTHER PROPER INSTRUMENT. CAUTION -HAZARD OF ELECTRICAL SHOCK- SERVICE CONNECTION COVER MUST BE INSTALLED. IMPORTANT - IF FILTERS ARE USED, CLEAN/REPLACE EACH SEASON OR MORE OFTEN IF NEEDED. 5166514-UWD-B-0617 FIGURE 17: EB/EU17* Wiring Diagram Johnson Controls Unitary Products... -
Page 14: Eb/Eu20* Wiring Diagram
OFF AT HOUSEHOLD SERVICE BOX. CHECK WITH A VOLTMETER OR OTHER PROPER INSTRUMENT. CAUTION -HAZARD OF ELECTRICAL SHOCK- SERVICE CONNECTION COVER MUST BE INSTALLED. IMPORTANT - IF FILTERS ARE USED, CLEAN/REPLACE EACH SEASON OR MORE OFTEN IF NEEDED. 5166515-UWD-B-0617 FIGURE 18: EB/EU20* Wiring Diagram Johnson Controls Unitary Products... -
Page 15: Eb/Eu23* Wiring Diagram
OFF AT HOUSEHOLD SERVICE BOX. CHECK WITH A VOLTMETER OR OTHER PROPER INSTRUMENT. CAUTION -HAZARD OF ELECTRICAL SHOCK- SERVICE CONNECTION COVER MUST BE INSTALLED. IMPORTANT - IF FILTERS ARE USED, CLEAN/REPLACE EACH SEASON OR MORE OFTEN IF NEEDED. 5166516-UWD-B-0617 FIGURE 19: EB/EU23* Wiring Diagram Johnson Controls Unitary Products... - Page 16 NOTES Subject to change without notice. Published in U.S.A. 5393776-BIM-B-0817 Copyright © 2017 by Johnson Controls, Inc. All rights reserved. Supersedes: 5393776-BIM-A-0717 York International Corp. 5005 York Drive Norman, OK 73069...