Siemens QNA2 D Series Guide
QNA2..D
Indoor air quality multi-sensor
Mounting
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Smart Infrastructure
2022-11-15
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Table of Contents
1 Mounting and installation......................................................................................................................3
1.1 Drywall mounting .....................................................................................................................................5
1.2 Conduit box mounting ..............................................................................................................................7
1.3 Surface mounting.....................................................................................................................................7
1.4 Connect multi-sensor to power source .....................................................................................................9
1.5 Attach surface mount .............................................................................................................................12
1.6 Power and secure multi-sensor..............................................................................................................12
2 Notes ....................................................................................................................................................14
2.1 Safety ....................................................................................................................................................14
2.2 Disposal.................................................................................................................................................14
3 Dimensions ..........................................................................................................................................15
Mounting and installation
Drywall mounting
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1 Mounting and installation
For technical data, see Data sheet.
For configuration, see Commissioning.
Package
Name
Sensor module
●QNA2600D
Surface mount
●BACnet: Surface mount
●LoRaWAN: Surface mount, antenna
●Set of screws and plastic insert
In-wall mount
●Multi-sensor backpack, conduit box cover, mounting plate
●Set of screws and plastic insert
NOTICE
●Commissioning and setup the device prior to mounting.
●To power on the sensor module, connect it to a surface mount powered by
USB type C, PoE, or AC/DC 24 V.
Mounting and installation
Drywall mounting
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Select data mode
●With the inside (concave surface) facing you ensure that the mode selection switch points to 1 (LoRaWAN).
For configuration of BACnet, see Commissioning.
Preparing data connection
Set up your LoRaWAN gateway router prior to installation and on-boarding if LoRaWAN is used
●Unpack the contents of your surface mount kit and In-wall mount kit. If you plan to use LoRaWAN for data
connectivity, locate the LoRa gateway antenna provided in the surface mount kit and screw it onto the top of
the surface mount.
BACnet:
LoRaWAN:
Mounting and installation
Drywall mounting
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Mounting location
●Devices should be mounted 3...6 feet from the floor (90 cm to 1.8 m high) and at least 16 feet (5 m) away
from operable windows, air filters, and fresh air diffusers.
●In areas where this is impossible, center your device between windows and place your monitor closer to air
return than air diffusers.
1.1 Drywall mounting
Preparation
●Additional tools for drywall installation
–Drywall cutting tool
–Mallet
–Power drill with 2 mm drill bit
–Pencil
–Level
–Tape measure
●Check the package to ensure that it includes all inbox items
1. Locate the metal mounting plate provided in the In-wall mount kit. Hold the mounting plate on the wall where
you intend to mount your device and use it as a stencil. With a pencil, mark the location of the four “E” screw
Mounting and installation
Drywall mounting
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holes and trace along the inside edge of the 43 mm by 55 mm rectangular cut out.
2. Create an incision along the penciled line using your drywall cutting tool. The mount requires 2 inches of
clearance behind the incision to install it.
3. Use a power drill and 2 mm drill bit to create four holes at the marked screw hole locations.
4. Gently hammer the drywall anchors into the holes with your mallet.
5. Line up the mounting plate with your drywall anchors and mount it to the wall using the provided drywall
screws.
6. Place the mounting plate cover over the mounting plate.
Mounting and installation
Conduit box mounting
1
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1.2 Conduit box mounting
1. Locate the metal mounting plate provided in the In-wall mount kit. Line up the mounting plate with your
conduit box and mount it in place using the provided conduit box screws.
2. Place the mounting plate cover over the mounting plate.
1.3 Surface mounting
1. Plug the USB-C end of your power cord into the port on the back of the surface mount and fit the cord into
the well that extends from the USB-C port to the bottom edge of the surface mount.
2. For LoRaWAN data connectivity, screw the LoRa Gateway Antenna onto the top of the surface mount as
follows.
Mounting and installation
Surface mounting
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3. Fold your two pairs of command strips in half so that the Velcro sides lock together and the sticker sides
face outwards. Peel off the tape on one side of each command strip pair.
4. Attach the sticky side of your command strip pairs to the back of the surface mount as follows.
Mounting and installation
Connect multi-sensor to power source
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5. Once you have a mounting location, peel the stickers off from the remaining two command strips attached to
the back of your surface mount.
6. Use a level to straighten your surface mount and press firmly into the wall to secure the command strips in
place.
1.4 Connect multi-sensor to power source
Take the multi-sensor backpack from your In-wall mount kit and attach it to the back of the surface mount as
follows.
Mounting and installation
Connect multi-sensor to power source
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Power over Ethernet (PoE)
●Run a cat 5e (or greater) Ethernet cable from your PoE switch, through the drywall incision, and into the
Ethernet port (RJ45 connector) on the multi-sensor backpack.
Low-voltage wiring
●To power your device via low-voltage wiring, run electrical wires (16-gauge or smaller) from your low voltage
transformer, through the drywall incision, and into the corresponding terminals on the multi-sensor
backpack.
Note: Consult an electrician before attempting installation if unsure and never touch live wires.
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