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.
