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Dimensions and Wiring 

(Models FKD 8XL, 10, 10XL, 12S, 12, 14S)

Model

A

C

D

E

Weight

FKD 8XL

8

12¹⁄₂ 15¹⁄₂

7

19 lbs.

FKD 10

10 12¹⁄₂ 12¹⁄₂

7

21 lbs.

FKD 10XL

10

14

15

8

15 lbs.

FKD 12S

12 12¹⁄₂ 10

7

22 lbs.

FKD 12

12

14 12¹⁄₂

8

16 lbs.

FKD 14S

14

14

8

16

lbs.

Dimensional Data

All dimensions in inches. † FKD 14s
overall length is 8”

3⁄4

115 Volt Single Phase Fans

Dimensions and Wiring 

(Models FKD 12XL, 14, 14XL, 16, 16XL, 18, 18XL, 20)

Dimensional Data

All dimensions in inches. † FKD 14s
overall length is 8”

Model

A

A1

A2

B

B1

C

D

E

F

G

H Weight

FKD12XL

12

-

12

17⁷⁄₈ 20¹⁄₄ 18⁷⁄₈ ⁷⁄₈ 1⁵⁄₈

4

7³⁄₄ ³⁄₈

45 lbs.

FKD14

14

-

14

19³⁄₄ 22¹⁄₈ 20¹⁄₄ 1¹⁄₂ 1⁵⁄₈

4

11¹⁄₈ ³⁄₈

45 lbs.

FKD14XL

14

-

14

19³⁄₄ 22¹⁄₈ 20¹⁄₄ 1¹⁄₂ 1⁵⁄₈

4

11¹⁄₈ ³⁄₈

55 lbs.

FKD16

16

16

-

19³⁄₄ 22¹⁄₈ 18¹⁄₄ 1¹⁄₂ 1⁵⁄₈

4

9¹⁄₂ ³⁄₈

55 lbs.

FKD16XL

16

-

16

22¹⁄₈ 24³⁄₈ 23¹⁄₄ 1¹⁄₄ 1⁵⁄₈ ⁷⁄₈ 8¹⁄₂ ¹⁄₂

85 lbs.

FKD18

18

18

-

22¹⁄₈ 24³⁄₈ 21³⁄₄ 1¹⁄₄ 1⁵⁄₈ ⁷⁄₈

7

¹⁄₂

85 lbs.

FKD18XL

18

-

18

28¹⁄₈ 30³⁄₈ 30⁵⁄₈

2

1³⁄₄ ⁷⁄₈ 12¹⁄₂ ¹⁄₂

95 lbs.

FKD20

20

20

-

28¹⁄₈ 30³⁄₈ 30⁵⁄₈

2

1³⁄₄ ⁷⁄₈ 10¹⁄₂ ¹⁄₂

95 lbs.

115/230 Volt Single Phase Fans

Wiring schematic for 4 lead motors, single phase
Notes:
1. All leads are color coded 

as well as identified with an
Alpha/Alpha or Alpha / 
Numeric code (i.e.TK or 
Z2).This code may be 
shown as a band on the 
wire or on a schematic on
the motor hub. Colors 
should be verified against code band. If code band and color do not 
correspond to schematics above, wire according to the code on the band.

2. Color of capacitor leads may be reversed. Fan operation will not be 

affected.

230 Volt Three Phase Fan

Notes:
1. Contactor should be used.

Control coil should be 
wired in series with motor
thermal contacts (TK 
leads) as shown in diagram
to provide thermal motor 
protection.

2. All leads are color coded 

as well as identified with a band containing an Alpha/Alpha or 
Alpha/Numeric code (i.e.TK or Z2). Colors should be verified against code
band. If code band and color do not correspond to schematics above, wire
according to the code on the band.

Motor
Leads

W2

U2

V2

(Ground)

Line 1

Line 2

Supply

Voltage

U1

V1

W1

TK

TK

Green/Yellow (     )

Line 3

460 Volt Three Phase Fan

Notes:
1. Contactor should be used.

Control coil should be wired
in series with motor thermal 
contacts (TK leads) as shown
in diagram to provide thermal
motor protection.

2. All leads are color coded as 

well as identified with a band 
containing an Alpha/Alpha or Alpha/Numeric code (i.e.TK or Z2). Colors 
should be verified against code band. If code band and color do not 
correspond to schematics above, wire according to the code on the band.

Contactor for 3-Phase Fans, 208-230/460v

Motor
Leads

(Ground)

Line 1

Line 2

Supply

Voltage

U1

V1

W1

TK

TK

Green/Yellow (     )

Line 3

W2

U2

V2

L1

Incoming

3-Phase Supply 208/230/460

Control Power

for Contactor

AC Contactor

L2

L3

TK

TK

L1

L2

L3

L3

Ground

T1

T2

T3

C1

C2

Motor Leads

C

A

E

D

H

B1

B

A

F

G

C

A1 A2

D

D

Call 1-800-667-8721 anywhere in the US and Canada

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