1. Einleitung
This manual provides detailed instructions for the safe installation, operation, and maintenance of your Philips ICN-2S28-N Centium Electronic Ballast. This ballast is designed for use with two F28T5, F21T5, or F14T5 fluorescent lamps, and can also operate single lamps. Please read this manual thoroughly before installation and retain it for future reference.
2. Sicherheitshinweise
WARNUNG: Risk of electric shock. Installation should be performed by a qualified electrician in accordance with all national and local electrical codes. Disconnect power at the circuit breaker before installation or servicing.
- Stellen Sie sicher, dass die Stromversorgungslautstärketage matches the ballast's rated voltage (120 V oder 277 V).
- The ballast case must be properly grounded.
- montieren lamps within 1/4 inch of a grounded metal reflector.
- Maximale Lautstärketage for RED-BLUE leads is 500 Vrms.
- Insulate YELLOW leads for 600V.
- Only use rapid-start sockets with this ballast.
- Do not modify the ballast or its wiring.
- This ballast is a Semi-Conducteur, High Power Factor, Class P, Sound Rated A, Type 1 Outdoor, with Inherent Thermal Protection. It contains no PCB's.
3. Packungsinhalt
Vergewissern Sie sich vor Beginn der Installation, dass alle Komponenten vorhanden sind:
- 1 x Philips ICN-2S28-N Centium Electronic Ballast

Image 1: Philips ICN-2S28-N Centium Electronic Ballast with its integrated wiring.
4. Einrichtung und Installation
Follow these steps for proper installation of the ballast:
- Stromversorgung trennen: Before starting any work, ensure the main power supply to the fixture is turned off at the circuit breaker.
- Mount the Ballast: Securely mount the Philips ICN-2S28-N ballast within the fixture. Ensure the ballast case is grounded.
- Kabelverbindungen: Refer to the wiring diagram on the ballast label and the instructions below.

Abbildung 2: Detailansicht view of the ballast label, including wiring diagram and technical specifications.
Details zum Schaltplan:
- Input Power (120V or 277V):
- Verbinden Sie SCHWARZ Draht an den Line (L)-Eingang anschließen.
- Verbinden Sie WEISS Draht an den Neutralleiter (N)-Eingang anschließen.
- Lamp Connections (for 2 Lampe):
- Verbinden Sie BLAU wires to one end of each lamp.
- Verbinden Sie ROT wires to the other end of each lamp.
- Verbinden Sie GELB wires to the remaining terminals of the lamps.
- Erdung: Ensure the ballast case is properly grounded to the fixture's metal housing.
Wichtige Hinweise:
- This ballast is compatible with (2) F28T5, (2) F21T5, and (2) F14T5 lamps. It also works for single lamps.
- montieren lamps within 1/4 inch of a grounded metal reflector for optimal performance and safety.
- Insulate any unused YELLOW leads for 600V.
- Only use rapid-start sockets.

Image 3: The ballast with its color-coded wires clearly visible for connection.
5. Bedienung
Once the Philips ICN-2S28-N Centium Electronic Ballast is correctly installed and wired, operation is straightforward:
- After completing the installation, restore power to the circuit at the breaker.
- Turn on the light switch connected to the fixture. The ballast will automatically ignite and regulate the power to the fluorescent lamps.
- The ballast is designed for programmed start, ensuring optimal lamp Leben.
6. Wartung
The Philips ICN-2S28-N Centium Electronic Ballast is designed for long-term, reliable operation with minimal maintenance. However, periodic checks can help ensure continued performance:
- Stromabschaltung: Vor jeglichen Wartungs- oder Inspektionsarbeiten muss die Stromzufuhr unterbrochen werden.
- Reinigung: Keep the ballast and fixture free from dust and debris to ensure proper heat dissipation. Use a dry, soft cloth for cleaning.
- Verkabelungsprüfung: Periodically inspect wiring connections for any signs of wear, fraying, or loose connections. Ensure all connections remain secure.
- Lamp Ersatz: Beim Ersetzen von lamps, ensure they are of the correct type and wattage as specified for this ballast (F28T5, F21T5, F14T5).
- Umgebungsbedingungen: Ensure the ballast operates within its specified temperature range and environmental conditions (Type 1 Outdoor).
7. Fehlerbehebung
If your fluorescent fixture is not operating correctly, consult the following troubleshooting guide:
| Problem | Mögliche Ursache | Lösung |
|---|---|---|
| Lamps leuchten nicht. | Kein Strom am Gerät. Falsche Verkabelung. Fehlerhafte lamps. Defektes Vorschaltgerät. | Prüfen Sie den Sicherungsautomaten und den Wandschalter. Verify all wiring connections against the diagram. Ersetzen Sie lamps with new ones of the correct type. Wenn ichamps are new and wiring is correct, replace the ballast. |
| Lamps flicker or dim. | Lose Kabelverbindungen. Falsch lamp Typ. Altern lamps. Ballast nearing end of life. | Überprüfen und sichern Sie alle Kabelverbindungen. Achten Sie auf die richtige lamp types (F28T5, F21T5, F14T5) are used. Ersetzen Sie lamps. Consider replacing the ballast. |
| Ballast makes humming noise. | Normal operation (slight hum). Lose Montage. Überhitzung. | A slight hum is normal for some ballasts. Ensure ballast is securely mounted. Check for proper ventilation and ensure ballast is not covered. If hum is loud or new, inspect for issues. |
If troubleshooting steps do not resolve the issue, contact a qualified electrician or Philips customer support.
8. Spezifikationen
Below are the technical specifications for the Philips ICN-2S28-N Centium Electronic Ballast:
- Modellnummer: ICN-2S28-N
- Marke: PHILIPS (Advance Ballast)
- Eingangslautstärketage: 120 V / 277 V
- Kompatibles Lamps: (2) F28T5, (2) F21T5, (2) F14T5 (also works for single lamps)
- Wastage: 28 watts (for F28T5 lamps)
- Lichtquellentyp: Fluoreszierend
- Energiequelle: Kabelgebundene Elektrik
- Material: Plastik
- Farbe: Schwarz
- Form: Rechteckig
- Zieltyp: Schwarz
- Montageart: Gestellmontage
- Artikelgewicht: 9.6 Unzen
- Artikelabmessungen (L x B x H): 9.5" x 1.25" x 1"
- UPC: 781087080726
- Zertifizierungen: UL Listed 704G, CSA (NRTL/C)
- Merkmale: IntelliVolt (120V to 277V 50/60Hz), Programmed Start, High Power Factor, Class P, Sound Rated A, Type 1 Outdoor, Inherent Thermal Protection, No PCB's.

Abbildung 4: Seite view of the ballast, illustrating its compact dimensions and mounting points.
9. Garantie und Support
This Philips ICN-2S28-N Centium Electronic Ballast comes with a manufacturer's warranty. For specific warranty details, please refer to the documentation included with your purchase or contact Philips customer support.
For technical assistance or support, please contact Philips directly. Technical information is often available via their official webWebsite oder telefonisch über die Support-Hotline.
- Hersteller: Advance Ballast (a Philips company)
- Technische Daten: 1.800.372.3331 (as seen on product label)
- Online-Hilfe: Besuchen Sie die offizielle Philips-Website. website for product support and resources.