NOTE: Wireless timers can only be used with wall mounted Two-Speed Switch or PrecisionSYNC Control (435244).
The wireless timers may be installed onto a flush mounted electrical switch
box or it may be surface mounted onto a wall. Multiple wireless timers
(maximum six timers) may be installed with ventilation system.
To increase the range of a wireless timer, a Wireless Repeater should be
used.
Pairing
1. Turn on the main wall control by pressing the ON/OFF button and
remove the battery from 20/40/60 Minute Wireless Timer.
2. Pairing PrecisionSYNC Control (435244): Press the left and right buttons
simultaneously on the control and RESET buttons. The screen will
go blank and the wireless symbol appear flashing on the bottom
right of the display. This indicates that the control is now in pairing mode
(Figure 30, Box D).
3. Pairing 20/40/60 Minute Wireless Timer (435248) with Two-Speed Switch
with Humidity Sensor (435245) and Two-Speed Switch with Intermittent
Mode (435246): Press the left and right buttons simultaneously on the
control and buttons). The bottom row of three LEDs will begin
flashing. This indicates that the main control is now in pairing mode
(Figure 30, Box E).
4. Keep the timer within 16” (406 mm) of the control when pairing.
5. Install the battery in the 20/40/60 Minute Wireless Timer. All four lights
on the timer will immediately flash five times, then only the red battery
light will remain on for approximately 12 seconds after which the 40 light
flashes. 20, 40, 60 lights will flash until paired or will stop if not paired
within 12 seconds. If pairing was not successful you now must return to
step 1 to restart the pairing process.
6. Press the button on the control to exit pairing mode when wireless
timers have been successfully paired.
To pair additional wireless timers with the same wall control, or if pairing was
not successful, repeat steps 1-6.
When paired, the wireless timers can be moved and installed elsewhere.
Estimated range of the wireless timer is 40’ with no obstructions. A Wireless Repeater may be installed to increase the range of the
20/40/60 Minute Wireless Timer.
For Two-Speed Switch with Humidity Sensor (435245) and Two-Speed Switch with Intermittent Mode (435246): To test if the pairing
was successful, ensure the unit is in low speed then press the button on the 20/40/60 Minute Wireless Timer and listen for the ERV to
initiate HIGH fan speed ventilation.
For PrecisionSYNC Control (435244): To test if the pairing was successful press the button on the 20/40/60 Minute Wireless Timer
and look for the Timer icon to display on the LED screen next to the fan speed.
Installation and Operation of 20/40/60 Minute Wireless Timer (435248)
BOX A
BOX B
1/8” (3 mm) hole
for screw and anchor
1/8” (3 mm) hole
for screw and anchor
BOX C
(ALTERNATE WALL MOUNT)
Digital 5 Speed / 5 Mode Control
1/8” (3 mm) hole
for screw and anchor
Break off tab
1/8” (3 mm) hole
for screw and anchor
Break off tab
BOX D
BOX E
2 Speed
Ventilation
Control
Press Simultaneously to
Initiate Pairing Mode
BOX F
2#
TOP
Back Plate
Face Plate
2#
TOP
Press Simultaneously to
Initiate Pairing Mode
Removable
Backplate
20/40/60 Minute
Status Lights
Select Button initiates
high speed ventilation
for 20, 40 or 60 min.
Wireless 20/40/60 Minute Timer
Figure 30. Installation of Timer
Residential Energy Recovery Ventilators
22
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