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WSK-24 WIRELESS OCCUPANCY SOLUTION
a. Wall Mount option 1: Use the adhesive tape to
secure the PIR back plate to the wall.
b. Wall mount option 2: Using either the top or
bottom two holes of the PIR back plate, insert
the two long screws to secure the PIR back
plate to the wall.
c. Ceiling mount option: Align the mounting
bracket and PIR back plate as shown in Fig. 10.
Insert the two small screws into the top holes of
the back plate and secure it to the bracket. Use
the two long screws (and, if necessary, the
optional plastic anchors) and mount the bracket
and PIR back plate to the ceiling.
4. Replace the PIR sensor cover and replace the
cover release screw on the bottom of the sensor.
CHECK THE PIR OCCUPANCY MOTION SENSOR FUNCTION
1. Create motion in front of the PIR sensor and verify
that its LED flashes three times when motion is
detected.
• The PIR sensor continues to flash while motion
is detected.
2. Cover the PIR sensor and verify that its LED stops
flashing.
3. Uncover the PIR sensor.
Battery Replacement
For correct battery replacement, note the battery polarity
orientations in Fig. 11 and Fig. 12.
SCREW TO
HOLD PCB
Fig. 11. Door sensor battery replacement.
BATTERY
BACK
SCREW TO
HOLD COVER
Fig. 12. PIR occupancy sensor battery replacement.
62-0300ES—01
LED STATUS
INDICATOR
TAB TO
RELEASE
THE COVER
SCREW TO
HOLD PCB
PCB
BATTERY
BACK
M29158
LED STATUS
INDICATOR
COVER
PCB
SCREW TO
HOLD PCB
M29159
Low-Battery Indication
When a low battery condition is detected in the door
sensor or the PIR occupancy sensor, the LED status
indicator on the device flashes for four (4) seconds.
OPERATION
Door (Zone 1) and PIR Occupancy Motion
Sensor (Zone 2)
The door sensor and PIR occupancy motion sensor are
packaged factory-configured to the receiver. There is no
need for the receiver to discover these sensors. The door
and PIR sensors wirelessly connect to the receiver right
out of the box. Simply wire and mount the receiver and
sensors and the system will work properly.
When the door is opened and then closed, a signal is sent
to the PIR sensor to begin looking for motion. As soon as
the PIR senses someone is in the room, the receiver
clicks the relay to turn the thermostat back into the
occupied setpoints. If the person does not leave the room,
the thermostat will always stay in the occupied mode,
regardless if the PIR sensor stops sensing motion. This
provides a comfortable environment for guests and
ensures that the HVAC equipment does not turn off while
guests are sleeping.
When a guest opens and closes the door and leaves the
room, the PIR sensor starts looking for motion again. If
the PIR sensor does not sense motion, the receiver
closes the relay after 15 seconds or 3 minutes (depending
on how the jumper is positioned) and the thermostat goes
into the unoccupied economy mode. The overall delay
depends on the delay that is programmed in the
thermostat.
The PIR sensor always overrides the unoccupied
economy mode, as soon as it senses motion. For
example, if there are two guests in the room and guest A
is in the bathroom while guest B leaves the room, the
thermostat goes into economy setback mode if no motion
is detected. As soon as guest A leaves the bathroom and
enters the main room, the PIR senses motion and returns
the thermostat to normal operation. The thermostat
continues in normal operation until someone opens and
closes the front door and the PIR stops sensing motion.
Optional Sliding Door/Window Sensor
(Zone 3)
Because the sliding door/window sensor is an optional
accessory, the receiver needs to discover this new zone.
After the sliding door/window sensor is powered, follow
these steps to add the optional sliding door/window
sensor. It is easiest to do this before the sensor is
mounted.
NOTE: The sliding door/window sensor is identical to
the door sensor supplied with the WSK-24
Wireless Occupancy Solution.
1. Remove the battery tab from the sliding door/
window sensor. See Fig. 5 on page 4.
2. Make sure the sliding door/window sensor and
magnet are close to each other, within 3/4 in. (19
mm), and that the tab notches on the sensor face
the magnet. See Fig. 8 on page 5.
6
OPERATION
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