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VARIABLE SPEED ELECTRIC FURNACE
VARIABLE SPEED ELECTRIC FURNACE SAFETY.....................1
INSTALLATION REQUIREMENTS ................................................2
Tools and Parts ............................................................................2
Location Requirements................................................................2
Installation Configurations ...........................................................3
Electrical Requirements ...............................................................4
Duct Work Requirements.............................................................4
INSTALLATION INSTRUCTIONS ..................................................4
Inspect Shipment .........................................................................4
Install Duct Work ..........................................................................5
VARIABLE SPEED ELECTRIC FURNACE SAFETY
We have provided many important safety messages in this manual and on your appliance. Always read and obey all
safety messages.
This is the safety alert symbol.
This symbol alerts you to potential hazards that can kill or hurt you and others.
All safety messages will follow the safety alert symbol and either the word "DANGER" or
"WARNING." These words mean:
All safety messages will tell you what the potential hazard is, tell you how to reduce the chance of injury, and tell you
what can happen if the instructions are not followed.
065682600
INSTALLATION INSTRUCTIONS
Table of Contents
Your safety and the safety of others are very important.
Filter Specifications ......................................................................5
Make Electrical Connections .......................................................5
Complete Installation..................................................................10
SEQUENCE OF OPERATION ......................................................12
ELECTRIC FURNACE MAINTENANCE ......................................13
ASSISTANCE OR SERVICE .........................................................13
Accessories ................................................................................13
WARRANTY ..................................................................................14
You can be killed or seriously injured if you don't
immediately follow instructions.
You can be killed or seriously injured if you don't
follow instructions.
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Summary of Contents for Whirlpool WEFV08S-1A
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Page 1: Table Of Contents
VARIABLE SPEED ELECTRIC FURNACE INSTALLATION INSTRUCTIONS Table of Contents VARIABLE SPEED ELECTRIC FURNACE SAFETY.....1 Filter Specifications ..............5 Make Electrical Connections ............5 INSTALLATION REQUIREMENTS ..........2 Complete Installation..............10 Tools and Parts ................2 Location Requirements..............2 SEQUENCE OF OPERATION ............12 Installation Configurations ............3 ELECTRIC FURNACE MAINTENANCE ........13 Electrical Requirements ...............4 ASSISTANCE OR SERVICE ............13 Duct Work Requirements.............4... -
Page 2: Installation Requirements
Tools and Parts INSTALLATION Assemble the required tools and parts before starting installation. REQUIREMENTS Read and follow the instructions provided with any tools listed here. Tools Needed: These instructions are intended to be a general guide and do not ¹⁄₄ in. Nut driver Adjustable wrench supersede any local or national codes. -
Page 3: Installation Configurations
Installation Configuration Options Installation Configurations NOTE: Typical installations with optional WME modular evaporator coil are shown. For ease in installation, it is best to make any necessary coil configuration changes before setting the electric furnace in place. Counterflow See “Installation Configuration Options.” Vertical Installations Upflow/Counterflow The electric furnace must be supported on the bottom only and... -
Page 4: Electrical Requirements
Electrical Requirements Duct Work Requirements Install the conditioned air plenum, ducts and air filters (not WARNING provided) in accordance with NFPA 90B Standard for the Installation of Warm Air Heating and Air-Conditioning Systems (latest edition). The electric furnace is provided with flanges for the connection of the plenum and ducts. -
Page 5: Install Duct Work
Minimum Filter Requirements Chart Install Duct Work Nominal Tons Square Inch Surface Area IMPORTANT: Air Conditioning & Nominal Size Minimum Install duct work in accordance with NFPA 90B and any local & Return Air codes. Disposable Cleanable Nominal Airflow Free Area Connect supply air duct to the flange on top of the electric Filters Filters... - Page 6 4. Using UL listed wire nuts, connect the field supply wires to 208 Volt Conversion the electric furnace (black to black and yellow to yellow). WARNING Electrical Shock Hazard Disconnect all power supplies before servicing. Replace all parts and panels before operating. WARNING Failure to do so can result in death or electrical shock.
- Page 7 Low Voltage Connections Cooling Application WEFV Electric Furnace To Compressor Contactor Make this connection only if electric heat is used. Connections for Staged Electric Heat Heat Pump Application WEFV Electric Furnace Common used on some thermostats Connections for Staged Electric Heat Outdoor Heat Pump...
- Page 8 Electric Heat Only WEFV Electric Furnace Connections for Staged Electric Heat Blower Only WEFV Electric Furnace...
- Page 9 Wiring Diagram - Blower 12-PIN PLUG CONTROL BOARD 18 RED 18 BLUE 18 BLU 18 BLK 208V 18 RED 18 WHT TO THERMOSTAT 18 ORG 240V TRANS 18 YEL 18 GRN 16-PIN PLUG & CAP 18 BRN (16) 16-PIN PLUG & CAP 18 BLK 18 YEL MOTOR...
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Page 10: Complete Installation
3. Set the HEAT and COOL taps by moving the board jumpers Complete Installation to the A, B, C, or D positions (see Motor Board Taps and Dehumidify Resistor) based on the information found in the Application Table. Pre-Start Check NOTE: If using a humidistat, the dehumidify resistor located on the bottom right of the control board must be removed to Is unit properly located, level, secure, and serviceable? - Page 11 Application Table Control Board Taps Thermostat Terminals Cool Heat X = Energized Terminal Model Mode Y2/Y1 CFM CFM CFM CFM CFM CFM CFM Cont. Blower Cooling 1000 800 Heating 1000 800 WEFV08S -1A Aux. Heat*** 1000 600* Emer. Heat*** 1000 600* Cont.
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Page 12: Sequence Of Operation
Variable Speed Features SEQUENCE OF OPERATION The EFV electric furnace is equipped with a variable speed motor and will deliver a constant airflow within a wide range of external Cooling (cooling only or heat pump) static pressures. The variable speed blower offers the following When the thermostat calls for cooling, the circuit between R and comfort features: G is completed, and the blower relay is energized. -
Page 13: Electric Furnace Maintenance
Replace disposable filters. Cleanable filters can be cleaned To order accessories ask for the appropriate part number listed by soaking in mild detergent and rinsing with cold water. below or contact your Whirlpool ® Home Cooling and Heating Install new/clean filters with the arrows on the side pointing in dealer. - Page 15 Keep this book and your sales slip together for future Dealer name____________________________________________________ reference. You must provide proof of purchase or installation date for in-warranty service. Address ________________________________________________________ Write down the following information about your furnace to better Phone number __________________________________________________ help you obtain assistance or service if you ever need it.
- Page 16 065682600 ®/TM Whirlpool and all other trademarks are owned by Whirlpool, U.S.A., 7/03 © 2003. All rights reserved. used under license by Tradewinds Distributing Company, LLC. Printed in U.S.A.
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