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WINCHESTERBYMORTEXPRODUCTSINC FORTWORTH,TX76106 Page1

INSTALLATION MANUAL

DOWNFLOW / HORIZONTAL

ELECTRIC FURNACE

MODELS: WEFC & WEFX SERIES

LIST OF SECTIONS

1 – General 1 6 – Line Voltage and Control Box Wiring 8

2 – Safety 3 7 – Thermostat Wiring and Connections 10

3 – Return Air and Clearance Requirements 4 8 – Motor, Blower and Furnace Startup 14

4 – Supply Air and Duct Connector Installation 5 9 – Final System Checkout 15

5 – Furnace Installation 6 10 – Wiring Diagrams 16

LIST OF FIGURES

1 – Furnace Dimensions 2 17 – Control Box Power, Blower & Fuse Connections 10

2 – Closet Clearances 4 18 – Separate Thermostats, Same Furnace Wiring Diagram 12

3 – Typical Closet Installations 4 19 – Same T’stat, Separate Furnace - Separate Trans Connections 12

4 – Typical Alcove Installations 5 20 – Same T’stat, Separate Furnace and Cooling Unit Connection 12

5 – Clearance – Access for Service 5 21 – Typical Heating/Cooling Separate Transformer Connections 13

6 – Duct Connector Depths 5 22 – Typical Heat Pump/Heating/Cooling T’Stat Connections 13

7 – Duct Connector and Floor Base Installations 6 23 – X-13 motor Terminals 14

8 – Duct Connector Measurements 6 24 – Blower Assembly and Blower Deck 15

9 – Duct Connector and Floor Base Measurements 6 25 – Wiring Diagram 5 kW w/ X-13 Blower Motor 17

10 – Return Air Grille and Frame Assembly 7 26 – Wiring Diagram 8 kW, 10 kW, 12kW w/ X-13 Blower Motor 18

11 – Grille and Frame Assembly Filter Locations 7 27 – Wiring Diagram 15 kW, 17kW w/ X-13 Blower Motor 19

12 – Coil Cabinet Door Bracket Location 7 28 – Wiring Diagram 20 kW w/ X-13 Blower Motor 20

13 – Control Box Component Locations 9 29 – Wiring Diagram 5 kW w/ PSC Blower Motor 21

14 – Control Box Cover and Circuit Breaker Location 10 30 – Wiring Diagram 8 kW, 10 kW, 12kW w/ PSC Blower Motor 22

15 – Line Voltage Electrical Shield 10 31 – Wiring Diagram 15 kW, 17kW w/ PSC Blower Motor 23

16 – Line Voltage Electrical Shield Location 10 32 – Wiring Diagram 20 kW w/ PSC Blower Motor 24

LIST OF TABLES

1 – Electric Furnace Model Specifications 2 8 – Electrical Data 9

2 – Model Nomenclature 2 9 – Low Voltage Wire Gauge and Max Lengths 10

3 – Optional Cooling Cabinets and Return Air Grille 2 10 – Recommended Heat/Cool T’stat Wire Color Code 12

4 – Clearances to Combustibles 4 11 – Recommended Heat/Cool/HP T’stat Color Code 12

5 – Duct Connectors 5 12 – X-13 Motor Terminal Connections 14

6 – Wiring Requirements – Single Branch Circuit 8 13 – X-13 Motor Factory Speed Tap Settings 16

7 – Wiring Requirements – Dual Branch Circuit 9

SECTION I: GENERAL

The following list includes important facts and information

regarding the electric furnace and its inclusions.

1. Furnace is rated at 240 volts AC at 60 Hertz

2. Furnace is the same size for all models

3. Four-wire thermostat operation for heating and cooling

4. A/C ready furnaces equipped with blower for A/C or

Heat Pump operation.

5. Holding Strap furnished with furnace.

6. This furnace is designed for downflow/horizontal

application.

7. This furnace must not be operated without furnace door

installed.

NOTE: This furnace and its components listed on the

A/C and Heat Pump equipment sticker were listed in

combination as a system by ETL for the United States.

1 2 3 4 5 6 ... 23 24

Inhaltsverzeichnis

Seite 1 - INSTALLATION MANUAL

WINCHESTERBYMORTEXPRODUCTSINC FORTWORTH,TX76106 Page1 INSTALLATION MANUAL DOWNFLOW / HORIZONTAL ELECTRIC FURNACE MODELS: WEFC & WEFX S

Seite 2 - REFERENCE

WINCHESTERBYMORTEXPRODUCTSINC FORTWORTH,TX76106 Page10 Figure 14: Control Box Cover and Circuit Breaker Location – Dual Element B

Seite 3 - SECTION II: SAFETY

WINCHESTERBYMORTEXPRODUCTSINC FORTWORTH,TX76106 Page11Power wires can enter through the side of the unit or through the auxiliary entrance,

Seite 4 - Figure 2: Closet Clearances

WINCHESTERBYMORTEXPRODUCTSINC FORTWORTH,TX76106 Page12RWCCThermostatFurnaceCondenserWYOutdoor Section24 VAC to Furnace Trans24 VAC Common t

Seite 5 - CONNECTOR INSTALLATION

WINCHESTERBYMORTEXPRODUCTSINC FORTWORTH,TX76106 Page132. Install a grommet in the 3/8” hole on the right side of the furnace casing to pro

Seite 6

WINCHESTERBYMORTEXPRODUCTSINC FORTWORTH,TX76106 Page14 SECTION VIII: MOTOR, BLOWER AND FURNACE STARTUP SECTION Selecting the X-13 Blo

Seite 7

WINCHESTERBYMORTEXPRODUCTSINC FORTWORTH,TX76106 Page15 Figure 24: Blower Assembly and Blower Deck SECTION IX: FINAL SYSTEM CHECKOUT 1. Re

Seite 8

WINCHESTERBYMORTEXPRODUCTSINC FORTWORTH,TX76106 Page16 Table 13: X-13 Motor Factory Speed Tap Settings

Seite 9 - Table 8: Electrical Data

WINCHESTERBYMORTEXPRODUCTSINC FORTWORTH,TX76106 Page17Section X: WIRING DIAGRAMS Figure 25: 5 kW Electric Heater Wiring Diagram with a Sta

Seite 10

WINCHESTERBYMORTEXPRODUCTSINC FORTWORTH,TX76106 Page18 Figure 26: 8 kW / 10 kW / 12 kW Electric Heater Wiring Diagram with a Standard Digit

Seite 11

WINCHESTERBYMORTEXPRODUCTSINC FORTWORTH,TX76106 Page19 Figure 27: 15 kW / 17 kW Electric Heater Wiring Diagram with a Standard Digital Heat

Seite 12 - 24 VAC Common

WINCHESTERBYMORTEXPRODUCTSINC FORTWORTH,TX76106 Page2SAVE THIS MANUAL FOR FUTURE REFERENCE Figure 1: Furnace Dimensions Models ALL ALL ALL

Seite 13 - Thermostat Connections

WINCHESTERBYMORTEXPRODUCTSINC FORTWORTH,TX76106 Page20 Figure 28: 20 kW Electric Heater Wiring Diagram with a Standard Digital Heating/Cool

Seite 14 - FURNACE STARTUP SECTION

WINCHESTERBYMORTEXPRODUCTSINC FORTWORTH,TX76106 Page21 Figure 29: 5kW Electric Heater Wiring Diagram with a Standard Digital Heating/Coolin

Seite 15 - Thermostat Heat Anticipator

WINCHESTERBYMORTEXPRODUCTSINC FORTWORTH,TX76106 Page22 Figure 30: 8kW, 10kW, 12kW Electric Heater Wiring Diagram with a Standard Digital He

Seite 16

WINCHESTERBYMORTEXPRODUCTSINC FORTWORTH,TX76106 Page23 Figure 31: 15kW and 17kW Electric Heater Wiring Diagram with a Standard Digital Heat

Seite 17 - Section X: WIRING DIAGRAMS

WINCHESTERBYMORTEXPRODUCTSINC FORTWORTH,TX76106 Page24 Figure 32: 20kW Electric Heater Wiring Diagram with a Standard Digital Heating/Cooli

Seite 18

WINCHESTERBYMORTEXPRODUCTSINC FORTWORTH,TX76106 Page3 SECTION II: SAFETY This is a safety alert symbol. When you see this symbol on label

Seite 19

WINCHESTERBYMORTEXPRODUCTSINC FORTWORTH,TX76106 Page4 All local codes (State, City, and Township) NOTE: All applicable codes take precede

Seite 20

WINCHESTERBYMORTEXPRODUCTSINC FORTWORTH,TX76106 Page5 Figure 4: Typical Alcove Installations Figure 5: Clearance – Access for Service Ai

Seite 21

WINCHESTERBYMORTEXPRODUCTSINC FORTWORTH,TX76106 Page6floor. Be sure to cut the insulation around the perimeter of the duct connector openin

Seite 22

WINCHESTERBYMORTEXPRODUCTSINC FORTWORTH,TX76106 Page7 Figure 10: Return Air Grille Frame Assembly Figure 11: Return Air Frame Assembly Fil

Seite 23

WINCHESTERBYMORTEXPRODUCTSINC FORTWORTH,TX76106 Page82. Install the cable connectors on the 7/8” dia holes on the right side of the contro

Seite 24

WINCHESTERBYMORTEXPRODUCTSINC FORTWORTH,TX76106 Page95kW 8kW 10kW 12kWCircuitNumber 1111121212CircuitLoad‐FLA 25.83 38.33 46.5 55.0