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Installation instructions
Note: Please read all the following instructions before commencing installation.

It is recommended that the power pack is installed by a competent person ensuring the installation 
complies with the necessary Australian standards. ABB accepts no responsibility for injury, damage or 
loss, which may arise due to result of incorrect installation, operation or maintenance.
The power pack conversion kit requires an un-switched supply for charging the battery and a switched 
supply if the luminaire is being used for maintained operation.
Please ensure to disconnect mains power supply when installing.

1. 

When placing/installing the control and battery pack into the existing luminaire ensure that they will 
operate within their temperature ratings.

2. 

In general, the control pack is placed close to the ballast to keep wiring short, but far enough away to 
prevent overheating.

3. 

 Keep battery away from heat source when installing within the luminaire. The high temperature Ni-
Cad battery supplied is specified and tested for essential characteristics, the performance cannot be 
guaranteed with alternative batteries.

4. 

The LED charge indicator must be positioned in the luminaire where it will be clearly visible during 
normal operation. A 6mm hole is required for mounting the LED indicator.

5. 

The test switch must be positioned in the luminaire where it will be easily accessible to test 
emergency operation. A 7mm hole is required for mounting the test switch.

6. 

The Light sensing clip (LDR) monitors mains on/off lamp condition and is to be affixed on the mains 

lamp/tube refer figure 1. 

7. 

Ensure the layout does not interfere with the essential safety features of the original luminaire.

8. 

Do not obstruct cable entries, mounting points, etc.

9. 

Installation of a power pack conversion kit will invalidate the original luminaire manufacturer’s 
compliance and approval. It is the responsibility of the person installing this power pack conversion 
kit to comply with Safety, EMC and AS/NZS 2293 design and compliance requirements.

10. 

It is best practice to avoid running the mains cables next to the power pack output to the lamp to 
obtain the best EMC results.

11. 

Clearly label the un-switched and switched active mains supply in the luminaire.

12. 

 Always use high temperature 105°C insulated wire, or higher grade if originally used in the luminaire.

13. 

 Affix the Nexus RF MAC address label supplied with the power pack on to the fitting in a recognisable 
position for recording upon installation.

14. 

 Refer to the Nexus RF user guide for detailed description of all possible LED states and their 
meanings.

15. 

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 manual test button located on 
the fitting. Press and hold the test button for a few seconds and observe that the emergency lamp 
lights up and stays on, until the test switch is released. If the lamp works only momentarily, this 
ensures that the connections are correct and the battery requires at least 24 hours to fully charge. If 
the lamp does not work at all, check the supply, the connections and the troubleshooting guide at the 
end of this document.

16. 

Once manually checked as per above, the fitting is ready to be communication tested and 
commissioned into the Nexus network. Keep the information details of this fitting including exact 

location description, DB (distribution board) and CB (circuit breaker) numbering, channel and router 

numbering, plan number and cross referencing information as all this will be required for entry into 
the database during commissioning. Refer to the Nexus RF user guide for full details.

Removal instructions
1. 

Before removing the installed power pack, 
switch off the mains supply to the fitting.

2. 

Unscrew/unplug the unswitched active, 
switched active, neutral and output (lamp and 

ballast) wire connections from the terminal 

block using a suitably sized screwdriver.

3. 

Undo the test switch nut and remove LED from 
the grommet.

4. 

Unscrew the mains cable connection from the 
terminal block and remove sensing clip from 
the tube/lamp. 

5. 

Disconnect the battery plug from the battery 
pack and then unscrew the mounting screws of 
the power pack.

6. 

When the fitting is reconnected to the supply, 
it will need time to recharge its battery before 
it will be capable of a full length discharge 
again. 

Wiring connections

•  Following below are the wiring connections 

to wire power pack as maintained, non-
maintained and sustained. When wiring 
power pack to a sustained fitting, the fitting 
must be programmed as sustained using 
utility tools. Ensure that the stripped wire 

ends are completely inserted into the 
terminal block and no bare conductors are 
exposed to the metal. 

Note: Wiring connections are different if using 
electronic or other magnetic ballast.

Important: 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/NZS 2293.

Figure 1: Wiring diagram power pack Nexus RF using conventional magnetic ballast

Data

Data

Shield

Shield

Data

Data

Red

Red

Black

Black

White

White

LED

LED

Test

Test

switch

switch

1 x __ W maintained

1 x __ W maintained

Unswitched active

Unswitched active

Neutral     240Vac

Neutral     240Vac

Earth        50Hz

Earth        50Hz

Lamp

Lamp

Red

Red

LDRM

LDRM

FSU

FSU

Clip

Clip

LDR

LDR

Data

Data

LED

LED

Black

Black

White

White

Test

Test

switch

switch

Shield

Shield

Data

Data

Switched active

Switched active

Unswitched active

Unswitched active

Neutral     240Vac

Neutral     240Vac

Earth        50Hz

Earth        50Hz

Ballast

Ballast

Switched

Switched

active

active

1 x __ W maintained

1 x __ W maintained

Lamp

Lamp

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