2
TABLE OF CONTENTS
IMPORTANT SAFETY INFORMATION .................... 3
REQUIREMENTS & CODES .................................... 3
Minimum Installation Clearances .....................................3
Minimum Unobstructed Airflow ........................................3
Clearances to Combustible Materials ..............................4
CIRCULATING AIR REQUIREMENTS ..................... 4
Return Air Connections .................................................... 4
Upflow Alcove installations ............................................4
Closet installations ........................................................4
Downflow alcove installations .......................................4
Supply Air Connections ....................................................4
Filtering Methods - Downflow Appliances ........................4
Non-Ducted Return Air .................................................. 4
Without A/C or H/P uncased coil ...............................4
With A/C or H/P uncased coil ....................................4
With optional coil housing .......................................... 4
Ducted Return Air ..........................................................4
Filtering Methods - Upflow Appliances ............................. 4
Non-Ducted Return Air .................................................. 4
Without optional upflow stand ....................................... 5
With optional upflow stand .........................................5
Ducted Return Air ..........................................................5
Optional Equipment .........................................................5
Optional Automatic Furnace Damper ............................5
Duct Connectors for Downflow Systems .......................5
APPLIANCE INSTALLATION .................................. 5
General Information .........................................................5
Before You Install this Appliance .....................................5
Locating the Unit ..............................................................5
Locating & Cutting Floor Openings ..................................5
Standard Duct Connector Installation ..............................6
Narrow Duct Connectors ..................................................7
Round Duct Connector Installation ..................................7
Alcove Installation ............................................................8
Closet Installation .............................................................8
Downflow Appliances ....................................................... 8
Upflow Appliances ...........................................................8
Over-the-Floor Return Air System (Non-Ducted) ..........9
Through-the-Floor Return Air System (Ducted) ............9
ELECTRICAL WIRING ............................................. 10
Line Voltage Wiring .......................................................... 10
Connecting Supply Service Wires .................................... 10
Grounding ........................................................................11
Thermostat / Low Voltage Connections ...........................11
Humidifier ......................................................................... 11
Dehumidification Options .................................................11
Electronic Air Cleaner (EAC) ...........................................11
Changing Blower Speed ..................................................11
Installing Control Circuit Wiring ........................................11
START-UP & ADJUSTMENTS ................................. 12
Pre-Start Check List ......................................................... 12
Start-up Procedures ......................................................... 12
FIGURES & TABLES ................................................ 12
Figure 16. E7 Appliance Components ..........................12
Figure 17. E7EM Physical Dimensions .........................13
Figure 18. E7EU & E7ED Physical Dimensions ............ 13
Figure 19. E7 Supply Wire Bracket ...............................14
Figure 20. E7 Appliance Upflow Stand Dimensions ...... 14
Airflow Data ......................................................................15
Table 4. E7 Airflow Data ...............................................15
Table 5. Maximum Allowable Heat Settings .................. 16
Electrical Data & Diagrams ..............................................17
Figure 21. E7 Thermostat Connection ..........................17
Table 6. Unit Specifications ...........................................17
Table 7. E7 Electrical Specifications .............................18
Figure 22. E7 Motor Control Board ...............................18
Figure 23. E7EB-010K Models ......................................19
Figure 24. E7EB-012K Models ......................................20
Figure 25. E7EB-015K Models ......................................21
Figure 26. E7EB-017K Models ......................................22
Figure 27. E7EB-020K & E7EB-023K Models ..............23
Table 8. Control Board Operation .................................24
INSTALLATION CHECKLIST ................................... 28