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Installation instructions
Note: Ceiling cut out hole size is 430mm x 95mm.
1. Remove the unit from the packing box and inspect it for damage or imperfections. If any damage is found, do not
install the unit, but replace it carefully into the packing box and notify the ABB product support hotline in Australia on
1800 60 20 20.
2. If all looks okay, installation can proceed.
3. Undo the 2 Phillips head screws on the face plate to remove face plate from the recessed base. Once the face plate is
removed than partially undo the phillips head screw at 1 end of the gear tray and slide the tray away to clear the screw
head.
4. Pull the tray outwards until the tongue at the other end of the tray clears the housing slot.
5. Unplug mains cable connector from the PCA and remove the gear tray. See figure 2.
6. Fit the recessed housing to the cut out in the ceiling. Fold 4 side tabs out until they touch the ceiling panel. See figure
3.
7. Slide a locking tab through lower slot into each end of the housing and secure them to the main housing with self
tapping screw provided till tight against the ceiling.
8. Plug mains cable connector from the housing onto the gear tray PCA.
9. Verify that the battery is connected to the PCA (connect battery plug to the main PCA if not connected). For Nexus LX
product; connect data cable to the PCA via the green plug included, or via the fixed terminal block marked data. For
more details refer to the data connections section.
10. Insert the gear tray end without the slot tongue into the housing slot, align and slide the other end into the screw and
tighten the screw.
11. Insert diffuser assembly onto the face plate, check for correct orientation before securing its place by 2 screws as
shown in figure 1. Should the orientation of the diffuser require changing, take care during this process to avoid
scratching the diffuser's vinyl.
12. Attach lanyard cables from face plate to tabs at either end of the housing as shown in figure 1.
13. Remove nut and washers from the test switch, fit the test switch and LED into the face plate's holder.
14. Secure the face plate to the housing.
15. Remove protective paper film from the diffuser.
16. Plug mains 3 pin power cord to a power point.
17. Check the operation of the fitting to ensure that the installation was successful. When powered up, allow a few
minutes to give the battery a small charge then press the test button to ensure that unit is functional in emergency
mode.
Figure 1
Bend side
Locking tab
tabs down to
secured to
lock housing
housing by self
to ceiling
taping screw
A
panel
from the inside
Ceiling
panel
Insert LED and
test switch in
here
Diffuser assembly
Figure 3: Exit LED edgelit recessed layout
Figure 2
Side tabs
Side tab in folded position
Locking tab
Lanyard cable
Fitting type
Indicator LED state - on initial powering - no fitting faults
Non-monitored
Solid red
Nexus LX
Flashing green
Nexus RF
Green flash with 2 red blinks, green flash with 3 red blinks
Face plate
Diffuser assembly
Insert diffuser assembly to face panel
and apply screws at these locations
Figure 4: Diffuser assembly and face panel
Data connections - Nexus LX and Nexus RF product range
Nexus LX fitting
Connect the data cable to the green connector on the power pack or PCA, or to the fixed
terminal block marked data.
When correctly installed no fitting should have more than 2 data cables connected to it.
If you have more than 2 data cables at any 1 fitting, the installation is incorrect.
If this fitting is at the end of a data cable run, a terminator needs to be connected across
the 2 data lines.
If there is an in and out data cable, then the shields should be wound together, folded back
and taped up.
Consult the Nexus user and technical guide for further detail, including product
commissioning.
Nexus RF fitting
Connect the antenna connector from the gear tray to the inside of the base housing.
Antenna to the base housing is shipped pre-fitted via SMA adaptor.
Collect the MAC address, by removing the peel off sticker section and locating it on your
floor plan or spreadsheet.
Consult the Nexus user and technical guide for further detail and product commissioning.
Important note: 24 hours is required to allow the fitting battery to reach full capacity, ie: prior to a discharge test.
As the installer, it is your responsibility to conduct the initial discharge testing of the installed fitting. Refer to
AS/NZS2293.
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