Field Controls VentCool WTT User manual

www.fieldcontrols.com
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
**A
WTT
R
INSTALLATION AND USER MANUAL
ON/OFF
SPEED
MODE
HON
SPEED
Indoors
Cool Set To
P/N 780104502 2/20 Rev A
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

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 HOFF
SetCool 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.
HH
SPEEDSPEED
Homeowner can select
High (H) or Low (L). LL
SPEEDSPEED
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). HH
SPEEDSPEED
MM
SPEEDSPEED
LL
SPEEDSPEED
3-Speed Fan
Fan Speed
Homeowner can
select High (H) only. HH
SPEEDSPEED
1-Speed Fan

Press then press to select TEMPERATURE CONTROL.
PRESS and HOLD for about 7 seconds until STimer is displayed.
Press again to display the number of speeds. Press to set
a 3-speed fan or press to set a 1-speed fan.
INSTALLER 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.
CAUTIONS
Use cautions when mounting components to surfaces that may have
concealed wiring beneath the surface.
Turn off power before installing whole house fan and 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.
!
When servicing WHF controls, turn off all power to these items.
Connect one end of the “RED” Plug&Play cable into the FC3JF fan
control module already installed 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. Install a plastic retrofit single gang
box 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 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. Attach the WTT and Wall Plate
Connect the other end of the “RED” Plug&Play cable into the”RED”
connector on the back of the WTT wall control.
Connect to
“RED”
connector on
back of WTT
Step 3. Connect Cable to the WTT
Apply 120VAC power the whole house fan. The LCD on the WTT should
lite up.
Step 5. Set the Number of Fan Speeds
MODE
MODE
Step 6. Commissioning
Press to turn the fan ON. Ensure that the fan is running
ON/OFF
Press then press to select TIMER CONTROL.
MODE
For a 3-Speed fan, press then press to lower the fan
speed. M should be displayed and the fan should be operating at Medium
Speed. Press then press to lower the fan speed. L
should be displayed and the fan should be operating at Low Speed. Press
. then press to display H and return to High Speed.
SPEED
CHECK FAN OPERATION
CHECK FAN SPEEDS
SPEED
For a 2-Speed fan, press then press to lower the fan
speed. L should be displayed and the fan should be operating at Low
Speed. Press then press to display H to return to High
Speed.
SPEED
SPEED
SPEED
RETURN TO TEMPERATURE CONTROL
MODE
page 3 of 4 P/N 780104502 2/20 Rev A
The WTT wall control is factory set for 2 speed operation from the factory.
Refer to your VentCool Whole House Fan for number of fan speeds
available with your model and adjust your WTT to match.

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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
SPARE PARTS AND ACCESSORY LIST
Field Controls
Part Number
Model
Number Description
580011702
580011701
580011704
580011705
580011706
580011707
580011550
WTT
FC3JF
WLM-RTT
WFM
WLM
RTT
PNP50
Whole House Fan Wall Control with Temperature, Timer and Speed Control. For 1, 2 or 3-Speed
PSC or ECM fans. Includes 50 FT plug&play cable and hardware kit.
Whole House Fan Control Board. For 1, 2 or 3-Speed PSC or ECM fans.
Wireless Remote Control Upgrade Kit. Includes WLM Wireless Plug-In Module and
RTT Wireless Remote Control.
Replacement WLM wireless plug-in module.
Replacement RTT wireless remote control.
Cable 50 FT PNP50 VentCool
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.
WiFi Control Upgrade Kit. Includes WLM WiFi Plug-In Module.
This manual may be downloaded and printed from the Field Controls website (www.fieldcontrols.com)
WARRANTY
For warranty information about this or any Field Controls product, visit:
www.fieldcontrols.com
Field Controls Technical Support
1.800.742.8368
[e-mail]
Phone: [phone] Fax: [phone]
www.fieldcontrols.com
Field Controls, LLC
c
Field Controls Customer Service
1.252.522.3031
[e-mail]
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 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.
c
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
HON
SPEED
Indoors
Cool Set To
Model WFM
Plug-in WiFi Module (smart phone
product provided by homeowner)
Wi Fi