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VARIABLE SPEED ELECTRIC FURNACE 

INSTALLATION INSTRUCTIONS

VARIABLE SPEED ELECTRIC FURNACE SAFETY

Table of Contents

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

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

065682600

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.

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.

Your safety and the safety of others are very important.

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:

Summary of Contents for WEFV08S-1A

Page 1: ...ANTY 14 065682600 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 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 Your safety and the safety of others are very importa...

Page 2: ...with this product An optional electric heater may be installed in this cabinet Select the final installation position which best suits the site conditions Select any accessories that are to be included in the installation Consider required clearances for the accessories to be used and the access space filters duct work wiring and service accessibility For the electric heater accessory refer to the...

Page 3: ... the blower access panel if installing in the horizontal position Suspended Cabinet Installation NOTE Electric furnaces cannot be installed in such a way that the blower access panel is facing up or down The suspending means must be field fabricated and should consist of two cradles made by attaching two rods to a length of angle iron or suitable gauge steel Locate the cradles so that they are as ...

Page 4: ...1 in thick insulation with a vapor barrier in conditioned areas or 2 in minimum in unconditioned areas Supply plenum should be the same size as the flanged opening provided around the blower outlet and should extend ideally at least 3 ft from the electric furnace before turning or branching off plenum into duct runs The plenum forms an extension of the blower housing and minimizes air expansion lo...

Page 5: ...ditioning Nominal Airflow see chart Areas and dimensions shown for cleanable filters are based on filters rated at 600 ft per minute face velocity Typical filter sizes are shown however any combination of filters whose area equals or exceeds the minimum area shown is satisfactory If a central return air filter grille is used the electric furnace does not require a filter To install a filter at the...

Page 6: ...m the 240 Volt terminal on the transformer to the 208 Volt terminal on the transformer See Wiring Diagram Blower 1 Connect black to black 2 Connect yellow to yellow 3 Connect green to green WARNING Electrical Shock Hazard Electrically ground furnace Connect ground wire to green pigtail lead Failure to do so can result in death or electrical shock 1 2 3 WARNING Electrical Shock Hazard Disconnect al...

Page 7: ... RED ORG YEL BLU To Compressor Contactor WHT BLK Connections for Staged Electric Heat Make this connection only if electric heat is used E L C W G O WEFV Electric Furnace GRN WHT BLK RED ORG YEL BLU Y R Y C R W O Outdoor Heat Pump 1 1 Common used on some thermostats W1 W2 WHT BLK Connections for Staged Electric Heat ...

Page 8: ...8 Electric Heat Only Blower Only R GRN W G RED ORG WEFV Electric Furnace WHT BLK W1 W2 WHT BLK Connections for Staged Electric Heat R GRN G RED ORG WEFV Electric Furnace ...

Page 9: ...EL 18 BLK 4 5 18 GRN 3 GND 5 PIN PLUG 18 BLU 18 RED 18 BLU 18 RED 6 18 WHT 5 18 GRN 18 BRN 7 18 BLK 8 CONTROL BOARD 12 PIN PLUG 16 PIN PLUG CAP 18 RED 18 BLUE 18 BLK 18 WHT 18 ORG 18 YEL 18 BRN 16 TO THERMOSTAT 5 PIN CAP 18 GRN 16 PIN PLUG CAP LOW VOLTAGE FIELD LOW VOLTAGE FACTORY LINE VOLTAGE FIELD LINE VOLTAGE FACTORY ...

Page 10: ...ottom right of the control board must be removed to enable it See Control Board Taps and Dehumidify Resistor The HUM terminal on the board must be connected to the Normally Closed contact of the humidistat so that the board senses an open circuit on high humidity If a humidistat is used the dehumidify LED see D1 below will light when the humidistat opens and the motor runs at reduced airflow Contr...

Page 11: ...er X 900 800 750 700 Cooling X X 1800 1600 1500 1400 Heating X 1800 1600 1500 1400 Aux Heat X X 1800 1700 1600 1500 Emer Heat X X 1800 1700 1600 1500 WEFV20L 1A Cont Blower X 1000 950 900 800 Cooling X X 2000 1900 1800 1600 Heating X 2000 1900 1800 1600 Aux Heat X X 2000 1800 1700 1700 Emer Heat X X 2000 1800 1700 1700 This CFM is not approved for use with highest kW heater size Humidistat will re...

Page 12: ...ond heater sequencer can be connected with the first sequencer to W 1 on the thermostat or connected to a second heating stage W 2 on the thermostat sub base Auxiliary Heat heat pump When the thermostat functions to call for auxiliary heat the heat pump is turned off Place a jumper wire between Terminals W2 and E on the thermostat terminal connections See Heat Pump Application wiring diagram This ...

Page 13: ...lter with a disposable low velocity filter unless return air system is properly sized for it ASSISTANCEOR SERVICE If you need further assistance you can write to the below address with any questions or concerns Whirlpool Home Cooling and Heating 7901 S W 6th Court Plantation Florida 33324 Please include a daytime phone number in your correspondence Accessories To order accessories ask for the appr...

Page 14: ...14 ...

Page 15: ...ed to know the complete model and serial number You can find this information on the front panel Dealer name____________________________________________________ Address ________________________________________________________ Phone number__________________________________________________ Model number __________________________________________________ Serial number _________________________________...

Page 16: ...065682600 2003 All rights reserved TM Whirlpool and all other trademarks are owned by Whirlpool U S A used under license by Tradewinds Distributing Company LLC 7 03 Printed in U S A ...

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