Installation and Operation of 20/40/60 Minute Wireless Timer (435248) (cont’d.)
A Wireless Repeater (435249) may be necessary if the distance of the 20/40/60 Minute Wireless
Timer (435248) is too great to communicate directly with the control. The Wireless Repeater (435249)
is plugged directly into a 120V power outlet.
1. Turn on the main wall control by pressing the ON/OFF button .
2. Pairing Wireless Repeater (435249) with PrecisionSYNC Control (435244): Press the left and right
buttons simultaneously on the main wall control and RESET buttons. The screen will go
blank and the wireless symbol will appear flashing on the bottom right of the display. This
indicates that the control is now in pairing mode.
3. Pairing Wireless Repeater (435249) 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 . The bottom row of three LED’s will begin flashing.
This indicates that the control is now in pairing mode.
4. The Wireless Repeater (435249) must be powered within 16” (406 mm) of the control for pairing.
If an outlet is not available an extension cord should be used to power the Wireless Repeater
(435249) during pairing.
5. Plug the Wireless Repeater (435249) into the power outlet. The green light will flash after
approximately 12 seconds indicating that the Wireless Repeater (435249) is paired with the control.
6. Press the button on the control to exit pairing mode and the Wireless Repeater (435249) may now be unplugged and moved
to its permanent location midway between 20/40/60 Minute Wireless Timer and Control.
To pair additional Wireless Repeater (435249) with the same control, repeat steps 1-5 until all Wireless Repeaters (435249) have been
paired.
When installed in its permanent location, the green LED will indicate the quality of communication with the wall control. See Table 10
below.
Installation and Pairing of Wireless Repeater (435249)
Power
Plug
Figure 31. Wireless Repeater
IMPORTANT
The wireless timers and Wireless Repeater (435249) must be paired to the wall control of the ERV. Multiple Timers and Wireless Repeater
(435249) can be paired to a single wall control.
Unpairing
1. Remove the battery from the back of the wireless timer.
2. Press and hold the button on the front of the 20/40/60 Minute Wireless Timer.
3. While holding the button, reinsert the battery in the 20/40/60 Minute Wireless Timer. Continue holding the button until the LED
under 40 begins flashing. The 20/40/60 Minute Wireless Timer will now be unpaired with the control.
Note: Use this procedure when the pairing procedure is not working to factory-reset the time delay.
Installation
1. Separate the face plate from the back plate by firmly pulling apart (Figure 30, Box A).
2. For mounting the control without a decorative plate, break off top and bottom tabs and refer to Figure 30, Box C for mounting.
3. Place the back plate of the control in the desired location on the wall and pencil mark the top and bottom screw holes (Figure 30,
Boxes B or C). Drill two 1/8” (3 mm) holes.
4. Attach the back plate to the wall using the two supplied screws and anchors.
5. Attach the face plate to the back plate (Figure 30, Box F).
Table 10. Wireless Range Extender LED Indication
LED Indication
Quality of Communication
Solid green
Best
Flashing green
Good
Solid Red
Bad
Residential Energy Recovery Ventilators
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