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INSTALLATION MANUAL
DOWNFLOW / HORIZONTAL
ELECTRIC FURNACE
MODELS: WEFC & WEFX SERIES
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.
WINCHESTER BY MORTEX PRODUCTS INC
LIST OF SECTIONS
1
6 - Line Voltage and Control Box Wiring
3
7 - Thermostat Wiring and Connections
4
8 - Motor, Blower and Furnace Startup
5
9 - Final System Checkout
6
10 - Wiring Diagrams
LIST OF FIGURES
2
17 - Control Box Power, Blower & Fuse Connections
4
18 - Separate Thermostats, Same Furnace Wiring Diagram
4
19 - Same T'stat, Separate Furnace - Separate Trans Connections
5
20 - Same T'stat, Separate Furnace and Cooling Unit Connection
5
21 - Typical Heating/Cooling Separate Transformer Connections
5
22 - Typical Heat Pump/Heating/Cooling T'Stat Connections
6
23 - X-13 motor Terminals
6
24 - Blower Assembly and Blower Deck
6
25 - Wiring Diagram 5 kW w/ X-13 Blower Motor
7
26 - Wiring Diagram 8 kW, 10 kW, 12kW w/ X-13 Blower Motor
7
27 - Wiring Diagram 15 kW, 17kW w/ X-13 Blower Motor
7
28 - Wiring Diagram 20 kW w/ X-13 Blower Motor
9
29 - Wiring Diagram 5 kW w/ PSC Blower Motor
10
30 - Wiring Diagram 8 kW, 10 kW, 12kW w/ PSC Blower Motor
10
31 - Wiring Diagram 15 kW, 17kW w/ PSC Blower Motor
10
32 - Wiring Diagram 20 kW w/ PSC Blower Motor
LIST OF TABLES
2
8 - Electrical Data
2
9 - Low Voltage Wire Gauge and Max Lengths
2
10 - Recommended Heat/Cool T'stat Wire Color Code
4
11 - Recommended Heat/Cool/HP T'stat Color Code
5
12 - X-13 Motor Terminal Connections
8
13 - X-13 Motor Factory Speed Tap Settings
9
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.
FORT WORTH, TX 76106
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Page 1
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Related Manuals for Winchester WEFC**48
Summary of Contents for Winchester WEFC**48
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Page 1: Table Of Contents
4. A/C ready furnaces equipped with blower for A/C or combination as a system by ETL for the United States. Heat Pump operation. 5. Holding Strap furnished with furnace. 6. This furnace is designed for downflow/horizontal application. WINCHESTER BY MORTEX PRODUCTS INC FORT WORTH, TX 76106 Page 1 ... -
Page 2: Furnace Dimensions
Heat of Unit Blower Motor Heat Strip kW Blower Motor HP 42 = 1/3 HP W = Winchester 48 = 1/2 HP 60 = 3/4 HP 10 = 10 kW E = Electric Heat 12 = 12 kW 15 = 15 kW... -
Page 3: Safety
1. This electric furnace should be installed in accordance and Air Conditioning Systems (NFPA 90B) with all national and local; building, safety, plumbing, National Electrical Code (NFPA 70) Canadian Electrical Code, Part I (CSA C22.1) WINCHESTER BY MORTEX PRODUCTS INC FORT WORTH, TX 76106 Page 3 ... -
Page 4: Return Air And Clearance Requirements
1400 CFM – 25 X 30 Grille - 644 in² furnace to cycle on the limit causing premature heating 1600 CFM – 25 X 30 Grille - 644 in² element failure. 1800 CFM – 30 X 30 Grille - 784 in² WINCHESTER BY MORTEX PRODUCTS INC FORT WORTH, TX 76106 Page 4 ... -
Page 5: Supply Air And Duct Connector Installation
Table 5 indicates the duct connector surface. Refer to Figures 7, 8 and 9. needed for your application. 4. Place insulation with a rating of R-12 or higher between the floor base and the floor when used on a combustible WINCHESTER BY MORTEX PRODUCTS INC FORT WORTH, TX 76106 Page 5 ... -
Page 6: Furnace Installation
10. Secure the furnace to the floor by drilling two holes through the furnace base and the floor base at the right and left front inside corners of the cabinet. Use two screws to secure the furnace to the floor. Figure 8: Duct Connector Measurements WINCHESTER BY MORTEX PRODUCTS INC FORT WORTH, TX 76106 Page 6 ... -
Page 7: Return Air Grille And Frame Assembly
Prior to installing the furnace make sure the holes are cut into supply wires. the floor for the refrigerant tubing, the drain line, the electrical wiring, the thermostat wiring and the condenser control Single Circuit Line Wiring Connections wiring. 1. Remove the control box cover. WINCHESTER BY MORTEX PRODUCTS INC FORT WORTH, TX 76106 Page 7 ... -
Page 8: Wiring Requirements - Single Branch Circuit
Minimum Wire Size (75°C) Minimum Wire Size (60°C) Ground Wire Size Max Fuse Amps Table 6: Wiring Requirements – Single Branch Circuit Requires a circuit breaker jumper bar or a jumper wire. + Refer to the National Electrical Code Table 250-95 for Non-Sheathed Conductor Ground Wire. WINCHESTER BY MORTEX PRODUCTS INC FORT WORTH, TX 76106 Page 8 ... -
Page 9: Control Box Component Locations
Casing or cabinet must be permanently grounded in accordance with the National Electrical Code or other applicable codes. Note: Optional blower speed change relay is also used as the isolation relay for the PSC motor. This relay is not optional relay on the PSC Motors. WINCHESTER BY MORTEX PRODUCTS INC FORT WORTH, TX 76106 Page 9 ... -
Page 10: Control Box Cover And Circuit Breaker Location
(Home Circuit Breaker Box) and at the control box circuit breakers before removing the shield. “Refer to Figure 21. Figure 15: Line Voltage Electrical Shield Figure 17: Control Box In-coming Power, Low Voltage Wiring, Blower Wiring, and Low Voltage Fuse Locations WINCHESTER BY MORTEX PRODUCTS INC FORT WORTH, TX 76106 Page 10 ... - Page 11 3 feet of from any windows and 52 to 66 inches above the floor. DO NOT place the thermostat within three feet of any the furnace supply air registers WINCHESTER BY MORTEX PRODUCTS INC FORT WORTH, TX 76106 Page 11 ...
- Page 12 Green YELLOW Cooling ‐ Stage 1 Yellow Y or Y1 Y or Y1 BROWN 24 VAC Common Brown BLACK Heat (Optional 2nd Stage Heat) White ORANGE Heat Pump Reversing Valve Solenoid BLUE Cooling ‐ (Optional 2nd Stage Cooling) Table 11: Recommended Heating/Cooling/Heat Pump Thermostat Wire Color Codes and Connections. Remove the control box cover. Typical Heating/Cooling Thermostat Wiring Connections WINCHESTER BY MORTEX PRODUCTS INC FORT WORTH, TX 76106 Page 12 ...
- Page 13 Red wire from the “R” terminal on the outdoor unit. Fasten the three wires together securely with a wire nut. NOTE: If the cooling unit is separate from the furnace and each have a transformer then remove the Red jumper WINCHESTER BY MORTEX PRODUCTS INC FORT WORTH, TX 76106 Page 13 ...
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Page 14: Motor, Blower And Furnace Startup
12. Switch the circuit breakers to ON and replace furnace front door. 13. Turn on all electrical supply circuits to the furnace at the main service (House Circuit Breaker) panel. 14. Set the thermostat to the desired temperature. WINCHESTER BY MORTEX PRODUCTS INC FORT WORTH, TX 76106 Page 14 ... -
Page 15: Final System Checkout
Ensure that all wiring The heat anticipator should be set to the following settings. connections are tight. For 5kW, 8kW, 10kW, 12kW 15kW, 17kW and 20 kW 2. Check blower motor connectors for proper Models Set at 0.4 connection. WINCHESTER BY MORTEX PRODUCTS INC FORT WORTH, TX 76106 Page 15 ... -
Page 16: X-13 Motor Factory Speed Tap Settings
Table 13: X-13 Motor Factory Speed Tap Settings WINCHESTER BY MORTEX PRODUCTS INC FORT WORTH, TX 76106 Page 16 ... -
Page 17: Wiring Diagrams
Figure 25: 5 kW Electric Heater Wiring Diagram with a Standard Digital Heating/Cooling/Heat Pump/Single or Two Stage Programmable Thermostat, X-13 blower motor. NOTE: IF ANY OF THE ORIGINAL WIRE SUPPLIED WITH THIS UNIT MUST BE REPLACED. IT MUST BE REPLACED WITH TYPE 105°C THERMOPLASTIC OR THE EQUIVALENT. WINCHESTER BY MORTEX PRODUCTS INC FORT WORTH, TX 76106 Page 17 ... - Page 18 Figure 26: 8 kW / 10 kW / 12 kW Electric Heater Wiring Diagram with a Standard Digital Heating/Cooling/Heat Pump/Single or Two Stage Programmable Thermostat, X-13 blower motor. NOTE: IF ANY OF THE ORIGINAL WIRE SUPPLIED WITH THIS UNIT MUST BE REPLACED. IT MUST BE REPLACED WITH TYPE 105°C THERMOPLASTIC OR THE EQUIVALENT. WINCHESTER BY MORTEX PRODUCTS INC FORT WORTH, TX 76106 Page 18 ...
- Page 19 Figure 27: 15 kW / 17 kW Electric Heater Wiring Diagram with a Standard Digital Heating/Cooling/Heat Pump/Single or Two stage Programmable Thermostat, X-13 blower motor. NOTE: IF ANY OF THE ORIGINAL WIRE SUPPLIED WITH THIS UNIT MUST BE REPLACED. IT MUST BE REPLACED WITH TYPE 105°C THERMOPLASTIC OR THE EQUIVALENT. WINCHESTER BY MORTEX PRODUCTS INC FORT WORTH, TX 76106 Page 19 ...
- Page 20 Figure 28: 20 kW Electric Heater Wiring Diagram with a Standard Digital Heating/Cooling/Heat Pump/Single or Two Stage Programmable Thermostat, X-13 blower motor. NOTE: IF ANY OF THE ORIGINAL WIRE SUPPLIED WITH THIS UNIT MUST BE REPLACED. IT MUST BE REPLACED WITH TYPE 105°C THERMOPLASTIC OR THE EQUIVALENT WINCHESTER BY MORTEX PRODUCTS INC FORT WORTH, TX 76106 Page 20 ...
- Page 21 Figure 29: 5kW Electric Heater Wiring Diagram with a Standard Digital Heating/Cooling/Heat Pump/Single Stage Programmable Thermostat, PSC blower motor. NOTE: IF ANY OF THE ORIGINAL WIRE SUPPLIED WITH THIS UNIT MUST BE REPLACED. IT MUST BE REPLACED WITH TYPE 105°C THERMOPLASTIC OR THE EQUIVALENT. WINCHESTER BY MORTEX PRODUCTS INC FORT WORTH, TX 76106 Page 21 ...
- Page 22 Figure 30: 8kW, 10kW, 12kW Electric Heater Wiring Diagram with a Standard Digital Heating/Cooling/Heat Pump/Single Stage Programmable Thermostat, PSC blower motor. NOTE: IF ANY OF THE ORIGINAL WIRE SUPPLIED WITH THIS UNIT MUST BE REPLACED. IT MUST BE REPLACED WITH TYPE 105°C THERMOPLASTIC OR THE EQUIVALENT WINCHESTER BY MORTEX PRODUCTS INC FORT WORTH, TX 76106 Page 22 ...
- Page 23 Figure 31: 15kW and 17kW Electric Heater Wiring Diagram with a Standard Digital Heating/Cooling/Heat Pump/Single Stage Programmable Thermostat, PSC blower motor. NOTE: IF ANY OF THE ORIGINAL WIRE SUPPLIED WITH THIS UNIT MUST BE REPLACED. IT MUST BE REPLACED WITH TYPE 105°C THERMOPLASTIC OR THE EQUIVALENT WINCHESTER BY MORTEX PRODUCTS INC FORT WORTH, TX 76106 Page 23 ...
- Page 24 NOTE: IF ANY OF THE ORIGINAL WIRE SUPPLIED WITH THIS UNIT MUST BE REPLACED. IT MUST BE REPLACED WITH TYPE 105°C THERMOPLASTIC OR THE EQUIVALENT Subject to change without notice 61MH0006 Copyright by Mortex Products Inc. 2009. Supersedes: ® WINCHESTER BY MORTEX PRODUCTS INC FORT WORTH, TX 76106 Page 24 ...
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