INSTALLATION MANUAL
DOWNFLOW SINGLE AND TWO
STAGE ELECTRIC FURNACE
MODELS: E30 SERIES
18 - Separate Thermostats, Same Furnace Wiring Diagram 12
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
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
7
10 - Wiring Diagrams
LIST OF FIGURES
2
19 - Separate Thermostats, Same Furnace Wiring Diagram
4
20 - Same T'stat, Separate Furnace, Trans and Heat Pump
4
21 - Same T'stat, Separate Furnace, Trans and Cool Unit
5
22 - Single Stage Heat / Cool T'stat, Two Stage Furnace
5
23 - Two Stage Heating / Cooling T'stat, Furnace
5
24 - Typical Two Stage Heating / Heat Pump T'stat, Furnace
6
25 - X-13 motor Terminals
6
26 - Blower Assembly and Blower Deck
6
27 - Wiring Diagram 5 kW w/ X-13 Blower Motor
7
28 - Wiring Diagram 8 kW, 10 kW, 12kW w/ X-13 Blower Motor
7
29 - Wiring Diagram 15 kW w/ X-13 Blower Motor
8
30 - Wiring Diagram 20 kW w/ X-13 Blower Motor
10
31 - Wiring Diagram 5 kW w/ PSC Blower Motor
10
32 - Wiring Diagram 8 kW, 10 kW, 12kW w/ PSC Blower Motor
10
33 - Wiring Diagram 15 kW w/ PSC Blower Motor
11
34 - Wiring Diagram 20 kW w/ PSC Blower Motor
11
35 - Wiring Diagram 0 kW w/ X-13 Blower Motor
36 - Wiring Diagram 0 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
9
13 - X-13 Motor Factory Speed Tap Settings
9
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.
SAVE THIS MANUAL FOR FUTURE
REFERENCE
FORT WORTH, TX 76106
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