WHF
Smart
C o n t r o l
Jan 2020
ON/OFF
MODE
SPEED
H
ON
Set
Cool
To
SPEED
Indoors
WHF
Smart
CAUTIONS
Use cautions when mounting components to surfaces that
may have concealed wiring beneath the surface.
Turn off power before installing whole house fan or controls.
Read and follow all instructions carefully, including those
included with the whole house fan. Read entire manual
before installing products.
Follow all local electrical codes during installation. All wiring
must conform to local and national electrical codes.
Installation should be performed by a qualified individual
with sufficient experience and skill.
!
The WTTK kit includes a WTT Whole House Fan Wall
Control, an FC3J Fan Control and a 50’ plug&play cable.
The optional TS3J Outdoor Temperature Sensor can be
added to the installation to delay fan operation if the
outdoor temperature is too warm to provide cooling.
When servicing WHF controls, turn off all power to these
items.
Step 3. Install a Plastic Retrofit Gang Box
INSTALLER MANUAL
Model WTTK
Whole House Fan Wall Control
Laguna Hills, CA
eControls
eControls
Model FC3J
eControlsUSA.com
For 1, 2 or 3-Speed PSC or ECM Fans
WARNING
120VAC.
Disconnect all power
before wiring or
servicing.
Violet-High Speed
Yellow-Med Speed
Red-Low Speed
Black-120VAC
White-Neutral
Wiring Key
Wire the FC3J to the fan using the diagram below as a guide. If
the FC3J fan control is already installed on the fan, go to Step 2.
Step 1. Install FC3J in Junction Box on Fan
Connect to FAN High
Speed Wire
Connect to FAN Low
Speed Wire
Connect to FAN Medium
Speed Wire
Connect to POWER
120VAC Wire
Connect to FAN Neutral
Wire and to POWER
120VAC Neutral Wire
LS
MS
HS
120
VAC
NTL
Low Speed
Medium Speed
High Speed
120VAC Power
Neutral
Unused wires should be cut at the
PCB or capped with wire nuts.
!
Laguna Hills, CA
eControls
eControls
Model FC3J
eControlsUSA.com
For 1, 2 or 3-Speed PSC or ECM Fans
WARNING
120V
AC.
Disconnect all
power before wiring
Violet-High Speed
Yellow-Med Speed
Red-Low Speed
Black-120V
AC
White-Neutral
Wiring Key
Use the screws included to secure the
FC3J to the junction box on the fan
making sure there are no exposed
wires and the fan control is securely
inside the electrical box. Failure to do
so could result in electrical shock.
The WTT is installed in a plastic retrofit
single gang box in the sleeping space on a
wall about 5’ off the floor in a location that
will best sense the temperature for the
space. Do not install in a location where
the temperature will be influenced such as
in direct sunlight, on an exterior wall, etc.
Do not install WTT in a metal gang box.
Step 2. Connect Cable to the FC3J
Connect one end of the “RED” Plug&Play cable into the FC3J
fan control already installed on the junction box on the fan.
Feed this end
to the gang box
Insert into FC3J
already installed
on fan.
See FC3J Wiring Diagrams on pages 3-4 for wiring to
fans manufactured by QC Manufacturing.
i
