2007 EFW Installation Directions

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INSTALLATION INSTRUCTIONS

EFW - Large Fan Wall Heater
ATTENTION: Before attempting to install your heater verify that the power supply wires are the same voltage as the heater
being installed. 240 and 120 Volt heaters are not interchangeable. Connecting a 240 Volt heater to a 120 Volt circuit will
reduce the wattage 75% and cause the motor to rotate slowly, significantly reducing airflow. Connecting a 120 Volt heater to
a 240 Volt circuit will destroy the heater, void all warranties and could cause fire damage.
WARNING: Turn off power source to the heater before attempting installation, maintenance or repairs. Lock, tape or tag
circuit breaker or fuse so that power cannot be turned on by accident. Falure to do so could result in personal injury.
1. After removing the heater from the carton check to make sure the heater has not been damaged in shipment.
2. Remove the grill by loosening and removing the four screws on the side of the front panel.
3. Detach the interior from the wall can by removing the four screws along each side of the interior. Remove the interior
by tilting it away from the wall can to release the bottom edge.
4. Remove one 7/8" knockout and feed the supply wire into the wall box using an approved electrical fitting to prevent
chafing of the supply wires.
5. Install the wall can a minimum of 6" from vertical side walls or open edge of door and 10" above the floor.
6. Secure the wall box to 2x4 studs using the holes provided in the sides of the box. The face of the wall box should be
flush with the finished wall.
7. Make electrical connections per the wiring diagram. Supply wires L1 and L2 can be connected to the red or black
wires on the heater - the order does not matter. Attach the field groundwire to the green screw or pigtail. When
installing a built-in thermostat red always connects to the supply wires and black to the heater.
8. Install interior by placing the bottom edge in the wall can and tilting it in toward the wall. Be sure to clear the electrical
wires on the side of the interior. Fasten the interior and then the grill with the screws provided.
9. The installation is now complete and the heater is ready to be energized for use.
SAFETY LIGHT: This heater includes
a visual alarm to warn that parts of the
heater are getting excessively hot. If
the alarm flashes, immediately turn the
heater off and inspect for any objects on
or adjacent to the heater that may cause
high temepratures. Do not operate the
heater with the alarm flashing.

11½"
FAN-FORCED HEATERS:
Clearances for Safe
Operation

EFW.indd : 4/08

KING Electrical Mfg. Company • 9131 10th Avenue South • Seattle, WA 98108 • Ph: 206.762.0400 • Fax: 206.763.7738 • www.king-electric.com

SAVE THESE INSTRUCTIONS

INSTALLATION INSTRUCTIONS
SELECTION CHART

CATALOG
NO.

Maintenance & Warranty Information:

VOLTS

WATTAGE

The high quality and superior design of this heater will
provide years of trouble-free performance. Each year the
heater should be checked and cleaned for lint and dust
accumulation. We recommend using a soft bristled brush
such as a paint brush to assist in removing contaminants
from the heater.

AMPS

Limited One Year Warranty:
EFW1220

2000

16.6

EFW1224

2400

20

EFW1230

3000

25

2000

9.6

EFW2030
2430

3000

14.4

EFW2040
2440

4000

19.2

King Mfg. Co. will repair or replace without charge any King
product found to be defective or malfunctioning during the
first year of purchase to the original owner.

120

EFW2020
2420

208
240

Dimension Chart

Wiring Diagram
Terminal
Block

Optional Thermostat
Single Pole
L1

Red

Blk

Blk

T

Blk

M2 N2

White
White

N1

Elements
Safety
Light
Blk
Red
L2

Fan
Motor
Blk
Blk

Black
Limit Control

E4

E3

Blk

M1

E2

Blk

L

E1

Blk

Elements

Blk

Ground
EFW.indd : 4/08

KING Electrical Mfg. Company • 9131 10th Avenue South • Seattle, WA 98108 • Ph: 206.762.0400 • Fax: 206.763.7738 • www.king-electric.com
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