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Before operating your whole house fan, be sure to open windows and close fireplace dampers. 

Refer to your whole house fan manual for more information regarding operating your fan.

Turn the Fan On

Adjust the Cool Set To (Comfort) Temperature

PRESS

 and 

HOLD

           or            to adjust the Set To Temperature.

When the Set To Temperature is lower than the indoor temperature, the fan 
is On and running (ON blinking). When the Set To Temperature is above 
the indoor temperature, the fan is not running (ON is not blinking).

PRESS

                    to display ON. The fan will run (On blinking) when 

the Set To Temperature is below the Indoor Temperature.

ON/OFF

The WTT wall control controls the whole house fan using temperature or timer control. Temperature control optimizes your 

comfort and energy savings by never overcooling your home and only running the fan when needed.

Temperature Control

The WTT defaults to Temperature Control.

Adjust the Safety Timer Hours

PRESS

 and 

HOLD

                  for 7 seconds until STimer is displayed.

 

PRESS

 and 

HOLD

           or            to adjust the safety timer hours from 

1 to 12 hours.

MODE

Safety Features in Temperature Control

The WTT On/Off key has to be pressed to turn the fan On. In 
addition, there is a built in safety timer that will automatically turn the 
fan off after 8 hours in case the homeowner forgets.

Timer Control

Turn the Fan On

Adjusting the Timer Setting 

PRESS

 and 

HOLD

           or           to adjust the current Timer Setting. Or, 

to set your preferred Timer Setting, turn the fan Off and 

PRESS

 and 

HOLD

   

.         or           to adjust the timer setting. This timer setting will be used 

each time the fan is turned on.

PRESS 

                     to turn the fan ON. The fan will run for the timer 

interval displayed.

ON/OFF

Switch To Timer Control

PRESS

                   then 

PRESS

            to select Timer Control. To return to 

Temperature Control, press                   then press           . 

MODE

HOMEOWNER SECTION

This manual is separated into two different sections: one for the Homeowner and one for the Installer.

The Homeowner section contains information on features and operation of the wall control.

Indoor Temperature

Set To Temperature

Fan Speed

H

OFF

Set

Cool

To

SPEED

Indoors

Fan Status On or Off

Timer

H

SPEED

Indoors

OFF

Indoor Temperature

Timer Interval

Fan Status On or Off

Adjusting the Fan Speed

PRESS                then 

PRESS

 and 

HOLD

                    to adjust the fan speed. Available fan speeds depends on the type of fan installed. 

SPEED

Note: The WTT wall control is factory set for 2 speed operation out of box from factory. If you have a 3-speed fan but can only select High (H) or Low (L), 
the number of fan speeds may not have been set properly. Refer to Step 5, Set The Number of Fan Speeds, in the installer section of this manual.

Homeowner can select 
High (H) or Low (L).

MODE

page 2 of 4

P/N 780104502 2/20 Rev A

2-Speed Fan

Homeowner can select High (H), 
Medium (M) or Low (L).

3-Speed Fan

Fan Speed

Homeowner can 
select High (H) only.

1-Speed Fan

Summary of Contents for VentCool WTT

Page 1: ...home and connects to the FC3JF already installed on the VentCool whole house fan using a plug play cable included COMPONENTS 1 VentCool WTT Whole House Fan Wall Control WTT p n 580011702 1 VentCool Fan Control Module FC3JF p n 580011701 must be installed on whole house fan assembly for this wall control WTT system to function properly 50 Foot RJ12 Plug Play Cable PNP50 p n 580011550 1 VentCool Log...

Page 2: ...nd HOLD or to adjust the current Timer Setting Or to set your preferred Timer Setting turn the fan Off and PRESS and HOLD or to adjust the timer setting This timer setting will be used each time the fan is turned on PRESS to turn the fan ON The fan will run for the timer interval displayed ON OFF Switch To Timer Control PRESS then PRESS to select Timer Control To return to Temperature Control pres...

Page 3: ...e temperature will be influenced such as in direct sunlight on an exterior wall etc Do not install WTT in a metal gang box Step 1 Install a Plastic Retrofit Gang Box Pass the other end of the cable through the opening in the gang box Attach the WTT wall control to the plastic gang box using the screws provided Attach the wall plate to the WTT using the screws provided in the wall plate Step 4 Atta...

Page 4: ...rols com Phone 252 522 3031 Fax 252 522 0214 www fieldcontrols com Field Controls LLC c Field Controls Customer Service 1 252 522 3031 sales fieldcontrols com 9154 Stellar Ct Corona CA 92883 2630 Airport Road Kinston NC 28504 P N 780104502 2 20 Rev A 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 insta...

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