1. Introduction
This manual provides essential information for the safe and efficient installation, operation, and maintenance of the GEWISS P-COMFORT GWD6916 Wired Load Management Relay. Please read this manual thoroughly before attempting any installation or operation.
The GEWISS P-COMFORT GWD6916 is designed to manage electrical loads in an installation, optimizing energy consumption and preventing overloads. It is a wired version, ensuring reliable communication and control.
Consignes de sécurité
- Installation professionnelle : Installation and maintenance must be performed by qualified personnel in accordance with local electrical codes and regulations.
- Débrancher l'alimentation : Débranchez toujours l'alimentation principale avant d'effectuer toute opération d'installation, de câblage ou de maintenance.
- Voltage: Assurer le vol d'alimentationtage matches the device's specifications (250 Volt).
- Conditions environnementales : N’exposez pas l’appareil à l’humidité, aux températures extrêmes ou aux environnements corrosifs.
2. Contenu du colis
Vérifiez que tous les articles sont présents et non endommagés à l'ouverture du colis :
- 1 x GEWISS P-COMFORT GWD6916 Wired Load Management Relay
- 1 x Manuel d'instructions (ce document)

Illustration 1 : Avant view of the GEWISS P-COMFORT GWD6916 Wired Load Management Relay. The image shows the compact housing, terminal blocks for wiring, and indicator lights.
3. Installation
Follow these steps for proper installation of the GEWISS P-COMFORT GWD6916 relay.
3.1 Montage
- Sélectionnez l'emplacement: Choose a suitable location within an electrical enclosure, ensuring adequate ventilation and protection from environmental factors.
- Montage: The relay is designed for DIN rail mounting. Securely attach the device to the DIN rail until it clicks into place.
3.2 Câblage
Avertissement: Assurez-vous que l'alimentation électrique est coupée avant de procéder au câblage.
- Alimentation: Connect the main power supply (250 Volt) to the designated input terminals as indicated on the device's wiring diagram.
- Connexions de charge : Connect the loads to be managed by the relay to the output terminals. Ensure correct polarity and current ratings are observed.
- Entrée de contrôle : Connect the control signal (e.g., from a master load management unit or energy meter) to the dedicated control input terminals. This signal dictates when loads should be shed or reconnected.
- Mise à la terre : Ensure proper grounding of the device and associated electrical components.
Refer to the detailed wiring diagram printed on the device or included in the packaging for specific terminal assignments.
4. Fonctionnement
Once installed and wired correctly, the GEWISS P-COMFORT GWD6916 relay operates automatically based on the control input it receives.
4.1 Power-Up and Initial Check
- Restaurer l'alimentation : After completing all wiring and safety checks, restore power to the installation.
- Voyants lumineux : Observe the indicator lights on the relay. A power indicator should illuminate, confirming the device is receiving power. Other indicators will show the status of the loads being managed.
4.2 Load Management Function
The relay functions by switching connected loads ON or OFF in response to a control signal. Typically, this signal originates from a central load management system that monitors total energy consumption. When the total consumption exceeds a predefined threshold, the control system signals the relay to disconnect non-essential loads (load shedding) to prevent an overload. When consumption drops, the loads are reconnected.
4.3 indicateurs d'état
The relay features LED indicators to provide visual feedback on its operational status:
- Voyant d'alimentation : Indicates that the device is powered ON.
- LED d'état: May indicate operational status, errors, or communication status with the control unit. Refer to the device's specific documentation for LED behavior.
- Load Status LEDs: Individual LEDs may indicate the ON/OFF status of each controlled load.
5. Entretien
The GEWISS P-COMFORT GWD6916 relay is designed for reliable, long-term operation with minimal maintenance.
- Nettoyage: Nettoyez régulièrement l'extérieur de l'appareil avec un chiffon doux et sec. N'utilisez pas de produits nettoyants abrasifs ni de solvants.
- Inspection: Annually, or as required by local regulations, have a qualified electrician inspect the wiring connections for tightness and signs of wear or damage.
- Aucune pièce réparable par l'utilisateur : The device contains no user-serviceable parts. Do not attempt to open or repair the unit.
6. Dépannage
If you encounter issues with your GEWISS P-COMFORT GWD6916 relay, refer to the following common problems and solutions:
| Problème | Cause possible | Solution |
|---|---|---|
| Device has no power (Power LED off) | No power supply, loose wiring, tripped circuit breaker. | Check main power supply. Verify wiring connections. Reset circuit breaker. |
| Loads are not switching ON/OFF as expected | Incorrect control signal, faulty wiring to loads, internal fault. | Verify the control signal from the master unit. Check wiring to loads. If problem persists, consult a qualified electrician. |
| Bruits ou odeurs inhabituels | Défaillance d'un composant interne, surchauffe. | Immediately disconnect power. Do not attempt to operate. Contact a qualified electrician or Gewiss support. |
For issues not listed above or if troubleshooting steps do not resolve the problem, contact a qualified electrician or Gewiss technical support.
7. Spécifications
| Fonctionnalité | Détail |
|---|---|
| Modèle | GWD6916 |
| Marque | Gewiss |
| Taper | Wired Load Management Relay |
| Voltage | 250 volts |
| Dimensions (L x l x H) | 10 x 8 x 4 cm |
| Poids | 60 g |
| Montage | Rail DIN |
8. Garantie et assistance
The GEWISS P-COMFORT GWD6916 is covered by a standard manufacturer's warranty. Please refer to the warranty card included with your purchase or visit the official Gewiss webConsultez le site pour connaître les conditions générales de garantie détaillées.
For technical assistance, product inquiries, or warranty claims, please contact Gewiss customer support through their official channels. Ensure you have your product model number (GWD6916) and purchase details available when contacting support.
Gewiss Official Website: www.gewiss.com





