Mounting Instructions
The Q.RCU-A-xxxx has been specially designed for easy installation.
However, certain conditions apply when choosing a suitable location
for the device:
- Install the device in a location of average temperature
approximately 1.5 m above the oor
- The device should not be installed on an exterior wall. The device
should not be installed near a heat source.
- The device should not be installed near an air discharge grill. The
device should not be installed in a place where it can be
- aected by the sun.
- Install the device in an area that provides proper device
ventilation. Nothing must restrain air circulation to the device.
The Q.RCU-A-xxxx has not been designed for outdoor
use.
Wall Mounting Installation Procedure
1. Remove the security screw from the device (Figure 5-1).
2. Open the device by pressing in the two (2) tabs on the bottom of
the device and pulling the bottom side of the front plate out. Pull
all cables 6” out of the wall, and insert them through the
3. central hole of the back plate.
4. Align the back plate with the wall and mark the location of the
mounting holes on the wall. Make sure to orient the proper side
of the back plate facing upwards.
5. Remove the back plate and drill holes in the wall if necessary.
Install anchors in the wall if necessary.
6. Make sure that the mounting surface is at and clean. Screw the
back plate onto the wall. Do not over tighten.
7. Strip each wire ¼” and insert each one according to the wiring
diagrams shown in this document.
8. Gently push excess wiring back into the wall.
9. Reattach the front plate and make sure it clips tightly into place.
Install security screw.
10. CU-D-L Light/Blind add-on modules front plates (if applicable).
Electrical Junction box Installation Procedure
The Q.RCU-A-xxxx can be mounted most American, European
and Asian style electrical junction box using screws.
11. Remove the security screw from the device (Figure 5-1).
12. Open the device by pressing in the two (2) tabs on the bottom
of the device and pulling the bottom side of the front plate out.
13. Pull all cables 6” out of the wall, and insert them through the
14. central hole of the back plate.
15. Screw the back plate onto the electrical junction box.
16. Strip each wire ¼” and insert each one according to the wiring
17. diagrams shown in this document.
18. Gently push excess wiring back into the electrical junction box.
Reattach the front plate and make sure it clips tightly into place.
Install security screw.
Device Wiring
The Q.RCU-A-xxxx has physical connections for up to four (4)
dierent features depending on the model. Theses features include
the following:
- Thermistor
- Setpoint potentiometer
- Status LED indicator Fan speed
- rotary switch
Wiring the 10 kΩ Thermistor
Terminals TEMP and COMMON are used for the 10 kΩ type
2 NTC thermistor, as well as for the override button (not available
on Q.RCU-A-xxxx and Q.RCU-A-TS models). These two termi-
nals are present on every Q.RCU-A-xxxx model.