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This device MUST be installed by a qualified agency in accordance with the manufacturer’s installation instructions.The definition of 
a qualified agency is: any individual, firm, corporation or company which either in person or through a representative is engaged in, 
and is responsible for, the installation and operation of HVAC applicances, who is experienced in such work, familiar with all the 
precautions required, and has complied with all the requirements of the authority having jurisdiction.

READ THESE INSTRUCTIONS CAREFULLY AND COMPLETELY BEFORE PROCEEDING WITH THE INSTALLATION.

Installed By:_______________________________________

Phone: _____________________

Installation Date: _____________

Please retain these instructions after installation.

The VentCool whole house fan wall control uses temperature or a timer to control the whole house 
fan. The wall control is installed in the sleeping space of the 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 Logo cover plate
1 - Mounting hardware kit
1 - Installation and User Manual
**

WTT

R

INSTALLATION AND USER MANUAL

ON/OFF

SPEED

MODE

H

ON

SPEED

Indoors

Cool Set To

P/N 780104502 2/20 Rev B

VentCool

In temperature control, the homeowner turns on the whole house fan and sets their comfort 
temperature. The VentCool whole house fan will cool the home until the indoor temperature drops 
just below the comfort temperature then turn off. A built-in safety timer will turn the fan off the 
following morning in case the homeowner forgets. In timer control, the homeowner turns the fan 
on and sets the timer interval. The fan will run for the time set then turn off. The WTT wall control is 
also used to adjust the fan speed.

Whole House Fan Wall Control

Summary of Contents for WTT

Page 1: ...ome 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...

Page 2: ...ture that you want the house to cool to Temperature control display Display 1 2 3 4 1 2 3 1 2 3 Before operating your whole house fan be sure to open windows and close fireplace dampers Refer to your...

Page 3: ...t temperature operation The fan will turn on when the Set To temperature is below the Indoor temperature Once the Indoor temperature drops below the Set To temperature the fan will turn off If the Ind...

Page 4: ...backlight turns off L OPTIONS OUTDOOR TEMPERATURE LIMIT SAFETY TIMER HOURS The built in safety timer runs in the background in Temperature Mode and automatically turns the fan off after 8 hours in cas...

Page 5: ...stalled on the junction box on the fan Step 2 Connect Cable to the FC3JF Feed this end to the gang box Insert into FC3JF already installed on fan The WTT is installed in the upstairs sleeping space In...

Page 6: ...mper doors and after about 10 seconds will return to the low speed setting Default is Off OFF Access Options Press and hold the MODE key to display the first option Press the MODE key until HSS is dis...

Page 7: ...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 wir...

Page 8: ...Remote Control Replacement WLM wireless plug in module Replacement RTT wireless remote control Cable 50 FT PNP50 VentCool WiFi Control Upgrade Kit Includes WLM WiFi Plug In Module This manual may be...

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