Centric Air RT2 Instruction Manual

The RT2 is a wireless whole house fan (WHF)
control that can be placed on a bedroom table or
used anywhere in the home to control the Whole
House Fan using temperature for improved comfort
and energy efficiency or a built-in 1 to 12-hour
timer. The fan speed can be set from the remote.
The RT2 has a wireless range of 125 feet in a
home or building. Pat. Pending
Made in USA
Model RM2
WHF Radio
Module
ODT ODT
Link
Menu
ed
Set To
Cool
Indoors
Econo
Cooling
ON
oF
Outdoors
QUICK START FOR HOMEOWNERS
The RT2 wireless WHF control is factory set to control your WHF using Temperature, just like your thermostat, and
improves your comfort and energy savings. Simply touch the Econo Cooling key to display ON, then set the Set To
o
temperature to your desired Indoor temperature. The WHF will turn ON if the Indoor temperature is 1 above the Set
o
To temperature and turn OFF when the Indoor temperature drops 1 below the Set To temperature. The following
morning or when WHF operation is no longer desired, touch the Econo Cooling key to display OFF. As a precaution,
the RT2 control includes a built-in Safety Timer that will turn the WHF OFF after 8 hours of operation.
Before operating your Whole House Fan (WHF), always OPEN windows. See the WHF Owners manual for
more information. Your A/C should be off during WHF operation.
i
Operating your WHF using Temperature Control (See pages 2 and 3 for more information).
In the morning and/or before operating your A/C, make sure the RT2 control is set to Econo Cooling OFF.
If operating your A/C, make sure windows are closed.
In Timer Control, touch the
displayed on the RT2. The factory default is 3 hours but can be adjusted (see page 4).
Econo Cooling key to display ON. The WHF will now operate for the length of time
Operating your WHF using Timer Control (See pages 2 and 4 for selecting Timer Operation)
Outdoors
Link
Menu
ed
Set To
Cool
Indoors
Econo
Cooling
ON
oF
Displays the indoor temperature.
Displays the outdoor
temperature when an outdoor
temperature sensor is installed.
Displays the WHF speed.
Indicates the RT2 is linked to
the RM2 receiving module.
MENU Key accesses
user options such as
Temperature or Timer Control.
Use this key to turn WHF cooling
On or Off.
Displays the Set To Temperature
setting for WHF cooling.
Use the Up/Down keys to change
Set To Temperature setting or timer
setting in WHF cooling.
User & Installer Manual
Model RT2
Wireless Whole House Fan Control
Rev Nov 2018
Slide battery cover off to replace
the two AA batteries.
RSM, CA

HOMEOWNER - MENU OPTIONS
Select Temperature or Timer Control
01
The WHF can be controlled by temperature or by a built-in
timer. In Temperature Control, the RT2 control turns the fan on
when the room temperature rises above your Set To
Temperature or turns the fan off when the room temperature
drops below your Set To Temperature, just like your air
conditioner. In Timer Control, the user sets a number of hours
to run the fan using the built-in 1 to 12 hour timer. When the
time elapses, the fan turns off.
Press the ENTER key to save your selection and return to
normal operation or press NEXT to display the next option.
Press the MENU
key to display
Option 01.
Outdoors
Linked
Set To
Cool
Indoors
Econo
Cooling
OFF
oF
Option Option
Use the DOWN
key to select tp
for Temperature
Control (tP).
Or, use the UP
key to select tr
for Timer
Control (tr).
Next EnterNext Enter
Set Safety Timer Hours
03
Option
Press the MENU key then press NEXT until Option 03 is
displayed.
Press the ENTER key to save your selection and return to
normal operation or press NEXT to display the next option.
Enter
Next
This option disables the touch screen for 30 seconds so the
screen can be cleaned with a soft damp cloth.
Option
Cleaning the Touch Screen
Press the MENU key then press NEXT until Option 04 is
displayed.
To disable the screen
and start the count
down, press the UP
key to select ON then
press the ENTER key
To exit the option and
return to normal
operation, press the
ENTER key.
04
Enter
Option Display Default
01
02
OPr
Str
Temperature
On
Description Selections
Select Temperature or Timer Control
Turn Safety Timer On or Off
Only displayed if Temperature Control is selected in Option01.
Temperature (tP) or Timer (tr)
On or Off
03
04
StH
CL
8 hours
Off
Set Safety Timer Hours
Clean the Touch Screen
4 to 12 hours
Off or On
Menu
Option
Enter
Option
Enter
Next
2
Use the UP key to
increase the
number of hours.
Or, use the DOWN
key to decrease the
number of hours.
i
Before operating your Whole House Fan (WHF), always OPEN windows. See the WHF
Owners manual for more information. Your A/C should be off during WHF operation.
Turn Safety Timer On or Off
02
Option
The Safety Timer automatically turns off the WHF after 8 hours
of operation to avoid inadvertently leaving the WHF On. The
number of hours can be set in Option 03. Press the MENU key
then press NEXT until Option 02 is displayed.
Press the ENTER key to save your selection and return to
normal operation or press NEXT to display the next option.
Enter
Next
Option
Enter
Next
Use the UP key to
turn the Safety
Timer On.
Or, use the DOWN
key to turn the
Safety Timer OFF.
Only displayed if Temperature Control is selected
in Option 01. Safety Timer is defaulted to ON.
i
Only displayed if Option 02 is On
In the morning and/or before operating your A/C, make sure the RT2 control is set to
Econo Cooling OFF. If operating your A/C, make sure windows are closed.
Only displayed if Safety Timer is set to On in Option 02.
The default number of hours for the Safety Timer is 8 hours
but can be adjusted from 4 to 12 hours.
i

HOMEOWNER - TEMPERATURE CONTROL
Turn Econo Cooling (WHF) ON
Set the Set To Temperature
Change Outdoor Temperature Limit
1)
2)
3)
When EconoCooling is On, the RT2 activates the WHF
when the indoor temperature is 1 degree warmer than
the Set To Temperature. The WHF is turned Off by the
RT2 when the cooler outdoor air has lowered the indoor
temperature 1 degree below the Set To Temperature.
The WHF will cycle On and Off as needed to keep the
space comfortable.
When an optional outdoor temperature sensor is
installed, WHF operation will be delayed if the outdoor
temperature is above the outdoor temperature limit.
This improves energy efficiency and comfort by delaying
WHF operation when the outdoor temperature is too
warm to provide cooling.
Press the UP or DOWN key to change
the Outdoor Temperature Limit and
then press the ENTER key to return to
normal operation.
Outdoors
Set the Set To Temperature
2)
Just like your air conditioning thermostat, set the Set To
Temperature desired using the Up / Down keys.
Press the UP or DOWN key to set the Set
To Temperature.
Link
Menu
ed
Indoors
Econo
Cooling
oF
Turn Econo Cooling (WHF) ON
1)
When Econo Cooling is On, the WHF will continue to operate if
the indoor temperature is warmer than the Set To Temperature.
Press the ECONO
COOLING key to turn
the WHF On. On blinks
when WHF is active
and is solid when the
WHF is not active.
Link
Menu
ed
Set To
Cool
Indoors
Econo
Cooling
oF
OFF
Change Outdoor Temperature Limit
3)
If an optional outdoor temperature sensor is installed, WHF
operation will be delayed until the outdoor temperature is
below the limit set.
Link
Menu
ed
Set To
Cool
Indoors
Econo
Cooling
ON
oF
Outdoors
Outdoor Temperature is displayed
here if an outdoor temperature
sensor is installed. The temperature
will blink when WHF operation is
delayed. Press this area to change
the Outdoor temperature Limit.
Enter
When Econo Cooling is ON, the WHF will
turn ON if the Indoor temperature is above
the Set To Temperature, or turn OFF if the
Indoor temperature is below the Set To
Temperature.
i
Set To
Cool
Outdoors
Link
Menu
ed
Set To
Cool
Indoors
Econo
Cooling
oF
ON
3
Outdoors
Outdoors
i
If the Safety Timer is set to ON (see Homeowner - Menu
Options, Option 02 and Option 03), the WHF will
automatically turn off after the set number of hours of
operation. The Safety Timer is helpful to those who may
inadvertently leave the WHF on.
Before operating your Whole House Fan (WHF), always OPEN windows. See the WHF
Owners manual for more information. Your A/C should be off during WHF operation.
In the morning and/or before operating your A/C, make sure the RT2 control is set to
Econo Cooling OFF. If operating your A/C, make sure windows are closed.
Turn Econo Cooling (WHF) OFF
4)
On blinks when
WHF is active and
is solid when WHF
is not active. Turn Econo Cooling (WHF) OFF
4)
Press the ECONO
COOLING key to
turn the WHF OFF.
Link
Menu
ed
Set To
Cool
Indoors
Econo
Cooling
oF
Outdoors
Link
Menu
ed
Set To
Cool
Indoors
Econo
Cooling
oF
Outdoors
The WHF will not
activate when
OFF is displayed.
ON
OFF
In the morning or when WHF operation is no longer desired,
turn the WHF OFF.
ON

HOMEOWNER - TIMER CONTROL
Change the Preset WHF Timer
4)
The preset WHF Timer can be set from 1 to 12 hours and can
only be set when Econo Cooling is Off as shown.
Press here to
change the preset
WHF Timer.
Link
Menu
ed
Econo
Cooling
OFF
Press the UP key to
increase the hours or press
the DOWN key to decrease
the hours. Then press
ENTER to save.
End the WHF Timer
2)
The WHF Timer can be terminated and the WHF turned off
anytime.
Press the ECONO COOLING
key to turn the WHF Off.
Link
Menu
ed
Econo
Cooling
On
Adjust the WHF Timer
3)
The Timer can be adjusted during WHF operation.
Use the UP key to increase the time
remaining or the DOWN key to decrease
the time remaining then press ENTER.
Link
Menu
ed
Econo
Cooling
On
Link
Menu
ed
Econo
Cooling
On
Time adjusts in 1
hour increments.
Link
Menu
ed
Econo
Cooling
Off should be displayed. If not, press
the ECONO COOLING key to turn
the WHF Off.
OFF
Enter
Link
Menu
ed
Econo
Cooling
OFF
Off will be
displayed when
the WHF is Off.
Enter
Start the WHF Timer
End the WHF Timer
Change the Preset WHF Timer
1)
2)
4)
Adjust the WHF Timer
3)
When Econo Cooling is turned On, the WHF will operate for the
preset time period.
Press the ECONO
COOLING key to turn
the WHF On and start
the Timer. On will blink.
The remaining
time is displayed.
Link Link
Menu Menu
ed ed
Econo Econo
Cooling Cooling
On
Start the WHF Timer
1)
OFF
4
i
Before operating your Whole House Fan (WHF), always OPEN windows. See the WHF
Owners manual for more information. Your A/C should be off during WHF operation.
In the morning and/or before operating your A/C, make sure the RT2 control is set to
Econo Cooling OFF. If operating your A/C, make sure windows are closed.

5
HOMEOWNER - WHF OPERATION
For single speed WHFs, the fan speed will be displayed as Hi and cannot be adjusted. For 2, 3 or variable speed
WHFs, the speed can be adjusted by pressing the Fan Speed and using the UP and DOWN Keys.
Changing Variable Speed WHFs
Changing 2 or 3-Speed WHFs
Press here to change
the WHF speed.
Use the UP and DOWN keys to
select the fan speed then press
ENTER.
Medium speed (Int)
High speed (Hi)
Low speed (Lo)
Outdoors
Link
Menu
ed
Set To
Cool
Indoors
Econo
Cooling
ON
oF
Link
Menu
ed
Econo
Cooling
ON
Press here to change
the WHF speed.
Use the UP key to increase the
WHF speed or the DOWN key to
decrease the WHF speed. Adjusts
in 5% increments. Press ENTER.
Outdoors
Link
Menu
ed
Set To
Cool
Indoors
Econo
Cooling
ON
oF
Link
Menu
ed
Econo
Cooling
ON
Change the Fan Speed
Enter Enter
INSTALLATION
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
WHF controls.
Read and follow all instructions carefully, including
those included with the whole house fan.
Follow all local electrical codes during installation. All
wiring must conform to local and national electrical
codes.
i
ATTENTION INSTALLER
Read entire manual before installing products.
When servicing WHF Controls or accessing products,
turn off all power to these items.
Connect the WHF to the RM2 radio module using the
plug&play cable provided.
1)
i
Homes with plaster walls with steel lathe may
experience wireless communication interference
when using wireless controls.
Install optional Outdoor Temperature Sensor and
wire to the RM2.
2)
Set Installer Options
Select Fan Type
Select Fan Speed
3)
Installation should be performed by a qualified
individual with sufficient experience and skill.
An optional Damper Control can be installed. See
the Damper Control Manual for wiring information.

INSTALLATION
6
The RT2 wireless control and the RM2 radio module
included in this kit have been programmed with a unique
ID number and ONLY communicate with each other.
This enables multiple WHF installations in the same home
or in neighboring homes without interference.
The ID Number on the RT2 should always match the ID
Number on the RM2 - see below.
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WIRELESS COMMUNICATION
Same
ID Number
ID #
01-02
1467 / 19-01
RM2
V. X.XX
ID #
01-02
1234 / 19-01
RT2
Ver X.XX
Connect the WHF and RM2 using the 7-foot RJ11 cable
provided. The RM2 can be attached to a surface (not
metal) using the two mounting tabs or left suspended by
the RJ11 cable.
Plug one end of the cable into the WHF control board
and the other end into the RM2 Radio Module. The RT2
wireless control is now ready to communicate with the
RM2 and control the WHF. The RM2 led blinks amber
while trying to link to the RT2. Once the link is
established, the led will be solid green and Linked will be
displayed on the RT2 thermostat.
RJ11 Jack on WHF
Control Board
RM2 Radio Module
RJ11 7-foot cable
supplied in kit.
Connect the FC2J or FC2JE to RM2 Radio Module1)
Contains Transmitter Module FCC ID:
OA3MRF89XAM9A
This device complies with Part 15 of the FCC
Rules. Operation is subject to the following
two conditions: (1) this device may not cause
harmful interference, and (2) this device must
accept any interference received, including
interference that may cause undesired
operation.
Model RT2 Pat. Pend.
Made in USA
RSM, CA / CentricAir.com
Centric Air
Wireless WHF Control
Model RM2
WHF Radio Module
ODT ODT
RSM, CA

INSTALLATION
The optional TS4 Outdoor Temperature Sensor should
be installed under the eaves of the home and out of
direct sun light. The outdoor temperature sensor is used
to delay WHF operation when the outdoor temperature is
too warm to provide cooling.
Use 2-conductor AWG 20 to 24 wire to connect the
temperature sensor to the ODT terminals on the RM2
Radio Module. The sensor is not polarized.
Optional Outdoor Temperature Sensor2)
RM2 Radio Module
ODT
ODT
Power the WHF and Set Installer Options3)
Be sure to set the Fan Type and Fan Speed in the RT2
before powering the WHF. See Installer Options below.
Carry the RT2 to the WHF. Plug in the WHF. The LED
on the RM2 blinks amber while trying to establish
communication with the RT2 thermostat. Once linked,
the RM2 LED will be solid green and the RT2 thermostat
will display Linked.
From the factory, the RT2 thermostat is in Temperature
Control mode and the WHF (Econo Cooling) is OFF.
Activate the WHF by pressing the Econo Cooling key
and turning the WHF ON. Lower the Set To temperature.
If an optional outdoor temperature sensor is installed,
you may have to temporarily adjust the limit to activate
the WHF. Turn the WHF off by pressing the Econo
Cooling key and turning the WHF OFF.
7
INSTALLER OPTIONS
01 Set the FAN TYPE
Option
Next Enter
Option
Next Enter
Use the DOWN key to select a PSC
fan (PS).
1 or 2-speed PSC or ECM fans
require the FC2J to be installed.
Press the NEXT key to go to the
next option or press ENTER to save
the selection.
Use the UP key to select an ECM
fan (EC).
3-speed or variable speed ECM
fans require the FC2JE to be
installed.
i
i
Linked
Set To
Cool
IndoorsoF
Access the Installer Options by
pressing and holding the
MENU key for about 7 seconds
until Option 01 is displayed.
ACCESS INSTALLER OPTIONS
Outdoors
Homeowner - The following options have been
set by the installer. Changing options without
contacting your installer could result in the fan
not operating correctly or damage to the control.
!
Installer - Ensure the fan type and fan speeds
are set correctly before operating the WHF.
Failure to do so could damage the control board.
Option Tag Factory
01
02
03
SPd
HSS
PS
2
Off
Description Selections
Set the WHF Type
Set WHF Speeds
High Speed Start
PS (PSC) or EC (ECM)
1 or 2 for PSC, or 1, 2, 3 or UA for ECM
Off or On
Fnt
Econo
Cooling
Menu OFF
3 3

30346 Esperanza Ste. A
Rancho Santa Margarita, CA 92688
949-709-8194 / Fax [phone]
www.CentricAir.com
Limited 5-Year Warranty
The 5-year warranty is limited to the repair or replacement of
defective product due to parts failure or defective workmanship.
INSTALLER OPTIONS
02 Set the FAN SPEEDS
Option
Next Enter
Use the DOWN key to
select 1-speed.
Press the NEXT key to go to the next option or press
ENTER to save the selection.
Option
Next Enter
Use the UP key to select
2-speed.
PSC Fans Select 1 or 2-speed
ECM Fans Select 1, 2, 3 or Variable speed
Option
Next Enter
Use the DOWN key to
select 1-speed.
Option
Next Enter
Use the UP key to select
2-speed.
Option
Next Enter
Use the UP key to select
3-speed.
Option
Next Enter
Use the UP key to select
Variable-speed.
Press the NEXT key to go to the next option or press
ENTER to save the selection.
03 High Speed Start Up
Option
Enter
Use the DOWN key to
select OFF.
Press the ENTER to save the selection.
Use the UP key to select
ON.
For some installations, a low speed start up may not be
adequate to fully open the damper. When this option is
set to ON, the WHF will start up in high speed and after
about 10 seconds will return to the low speed setting.
Option
Enter