Kb Electronics KBWC User Manual
Connection Diagram for 2-Wire* Controls (Switch Models)
Triac
Switch
AC Line
L1
L2
C
ontrolled
L
oad
G
round (Earth)**
Green
Connection Diagram 2-Wire* Controls for No Switch Model (NS)
AC Line
C
ontrolled
Load
L1
L2
Ground (Earth)**
Green
Triac
Connection Diagram for 3-Wire* Controls (Switch Models)
Triac
S
witch
Black
White
AC Line
Controlled
Load
Auxiliary
Load
L1
L2
Ground (Earth)**
Green
Red
Black
Full Voltage
Red
Red
L2
L1
Black
Varialbe
Voltage
240 Volt
Connection Diagram for 4-Wire* Controls
Ground (Earth)**
Green
INSTRUCTIONS FOR INSTALLING WALL-MOUNT SPEED CONTROL
!
Safety Warning! Please Read Carefully
Unit should be installed by a qualified electrician in accordance with the National
Electrical Code and other local codes which may apply. This control must be
grounded when installed. Failure to follow these instructions may result in elec-
t
rical shock or a fire hazard. To reduce the risk of fire or electric shock, this con-
trol is to be used only with fans marked as suitable for use with solid state
speed controls. This control is suitable for mounting in a metal or polymeric field
enclosure. These controls must not be used at ratings exceeding those clearly
marked on the device.
We are not responsible for any expense, inconvenience or subsequent damage
caused by items of our manufacture or sale.
1 Application
a) Motor Type – Shaded Pole, P.S.C., and Universal.
b) Required Load – Fans, Blowers and speed dependent loads.
2 Wiring
Warning! Power must be turned off before wiring. Connect control in series with
m
otor and line voltage; never connect control across line.
Ground (earth)** – Be sure to ground control using the green wire.
*Some models do not require grounding. Therefore, a ground wire is not provided.
*
3 Mounting
Use 2” deep standard electrical box.
a)
b) Secure control with outer bracket tabs.
4 Minimum Speed Adjustment
Important: If this option is not supplied, disregard step 4 and continue to step 5.
This control was designed to operate on motors used in diverse applications.
A minimum speed adjustment is provided to allow independent control of the
minimum speed setting. Minimum speed adjustment ensures motor runs with
sufficient torque to prevent stalling.
Motor must be in actual operating conditions to achieve proper speed adjust-
a)
ment. Motor will not slow down unless pr
n main control knob to lowest speed position.
ur
T
b)
c) Locate and adjust minimum speed setting on front plate with screw driver
(rotate clockwise to decrease minimum speed; counter-clockwise to increase
minimum speed).
Special Note: For 2.5 and 3.0 Amp models, adjustment of minimum speed is
eversed. Rotate clockwise to incr
r
decrease minimum speed.
On some models minimum speed adjustment hole is located on side of control.
Motor will now operate fr
d)
om this pr
5 Final Mounting
a) Install front dial plate (remove protective plastic on face of dial plate).
b) Turn main control until switch snaps off. (Switch models only).
Push on knob so that pointer is in of
c)
KB Electr
12095 NW 39th Str
Outside Florida Call TOLL FREE (800) 221-6570 • email – info@kbelectr
www.kbelectronics.com
onics, Inc.
oper load is applied.
ease minimum speed; counter
-clockwise to
eset minimum speed to full speed.
f position.
*Ground wire is not counted when designating 2,3 or 4 wire controls.
eet, Coral Springs, FL 33065 • (954) 346-4900 • Fax (954) 346-3377
onics.com
(A40001) – Rev. E – 3/2006
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