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Whole House Fan
Status:
Speed:
Attic:
On
High
o
105 F
Control:
Set To:
Timer
3 Hours
MAINTENANCE, TROUBLESHOOTING AND ADD ONS
Ensure that the cable is completely plugged into the
“RED” connector on the WTT and the FC3JF. You should
hear the connectors click. Ensure that the fan is powered.
Ensure the wiring from the FC3JF fan control to the whole
house fan is correct.
The WTT LCD is not lit.
Ensure that the number of speeds set in Step 5
correspond to the type of fan installed - 1-speed, 2-speed
or 3-speed fan.
Fan speeds available is not correct.
Verify HS, MS and LS wire connections of fan control
module (FC3JF) located on fan assembly in attic are
correctly wired per the WHF product model installed.
Refer to specific WHF Installation manual for wiring
diagrams.
Fan speed operation does not match wall control
setting.
If On is not blinking and the WTT is in Temperature
Control, make sure the Set To temperature is a few
degrees lower than the Indoor temperature. On will blink
when the fan is running.
The display indicates On but the fan is not running.
If On is blinking but the fan is not running, check the
wiring from the FC3JF fan control to the whole house fan.
If an outdoor temperature sensor is installed and the
outdoor temperature is above the limit set, whole house
fan operation may be delayed. When delayed, “LIMIT”
blinks.
The WTT wall control enables you to easily add optional
Wireless or WiFi control without having to go into the attic
or giving up the wall control.
For wireless control, a WLM
Wireless Module is plugged into the
back of the WTT and the RTT
Wireless Remote is used to control
the fan from anywhere within your
home.
For WiFi control, a WFM WiFi
Module is plugged into the back of
the WTT and your smart phone is
used to control the fan from
anywhere.
Contact Customer Service at [email protected] or
252-522-3031 to purchase optional upgrade
components.
Model WLM-RTT
Wireless Remote
and Plug-in
Wireless Module
ON/OFF
SPEED
MODE
H
ON
SPEED
Indoors
Cool Set To
Model WFM
Plug-in WiFi
Module (smart phone
product provided
by homeowner)
Wi
Fi
page 7 of 8
P/N 780104502 2/20 Rev B
