Einführung
This manual provides essential information for the proper installation, operation, and maintenance of your HEIMAN WS-720ES Wi-Fi Carbon Monoxide Detector. Please read it thoroughly before use and retain it for future reference.
Wichtige Sicherheitsinformationen
Carbon monoxide (CO) is a colorless, odorless, and tasteless gas that can be fatal. This detector is designed to alert you to the presence of CO gas. It is not a substitute for proper maintenance of fuel-burning appliances or adequate ventilation.
- Ignorieren Sie niemals einen Alarm. Investigate the source of the CO.
- Den Detektor nicht lackieren. Paint can clog the sensor openings and prevent the alarm from functioning properly.
- Do not block the detector's vents.


Produkt überview
The HEIMAN WS-720ES is a compact, portable Wi-Fi enabled carbon monoxide detector designed for various environments. It features a clear 85 dB alarm and LED indicators for status.



Installation
The detector can be installed on flat surfaces or walls. Choose a location where CO is likely to accumulate, such as near fuel-burning appliances, but not directly above them or in areas with high humidity or extreme temperatures.
- Montage: Use the provided screws and wall plugs to secure the mounting plate to a wall or ceiling. Alternatively, the detector can be placed on a flat surface.
- Einlegen der Batterie: Insert the two AA batteries into the battery compartment. Ensure correct polarity. The device will perform a self-test upon power-up.
- Platzierung: For optimal detection, place the detector at eye level (approximately 1.5 to 1.7 meters from the floor) in areas with potential CO sources. Avoid corners or areas obstructed by furniture.

Wi-Fi Connection and App Integration
This detector connects to your home Wi-Fi network (2.4 GHz) and integrates with the Tuya or Smartlife application for remote monitoring and notifications.
- Lade App herunter: Laden Sie die App „Tuya Smart“ oder „Smart Life“ aus dem App Store Ihres Smartphones herunter.
- Registrieren/Anmelden: Erstellen Sie ein Konto oder melden Sie sich bei Ihrem bestehenden Konto an.
- Gerät hinzufügen: In the app, select "Add Device" and follow the on-screen instructions to add the Carbon Monoxide Detector. You may need to press the test button three times consecutively to put the device into pairing mode.
- Bestätigung: Once connected, the app will display the device status and allow you to receive real-time alerts and view CO concentration levels.

Bedienung des Detektors
LED-Anzeigen:
- Grüne LED (Stromversorgung): Flashes every 30 seconds, indicating normal operation.
- Red LED (Alarm): Flashes rapidly with an audible alarm when CO is detected.
- Yellow LED (Fault/Low Battery): Weist auf einen Fehler oder einen niedrigen Batteriestand hin.
Testen des Detektors:
Press and hold the "Test/Silence" button for a few seconds. The alarm will sound, and the red LED will flash, indicating the unit is functioning correctly. A notification should also appear in your connected app.
Silencing an Alarm:
In case of a CO alarm, press the "Test/Silence" button to temporarily silence the audible alarm. The red LED will continue to flash until CO levels return to normal. If the alarm persists, evacuate the area immediately.

Wartung
- Batteriewechsel: The detector uses 2 AA batteries with an estimated life of 5 years. When the yellow LED indicates low battery, replace both batteries with new ones.
- Reinigung: Reinigen Sie die Außenseite des Detektors regelmäßig mit einem weichen, fusselfreien Tuch.amp Lösungsmittel.
- Regelmäßige Tests: Test the detector weekly by pressing the "Test/Silence" button.
Fehlerbehebung
| Problem | Mögliche Ursache | Lösung |
|---|---|---|
| Der Detektor lässt sich nicht einschalten. | Batterien falsch eingesetzt oder leer. | Batteriepolarität prüfen; Batterien austauschen. |
| Gelbe LED blinkt. | Niedriger Batteriestand oder interner Defekt. | Tauschen Sie die Batterien aus. Sollte das Problem weiterhin bestehen, wenden Sie sich bitte an den Kundendienst. |
| Verbindung zu WLAN/App nicht möglich. | Incorrect Wi-Fi password, 5GHz network, or device not in pairing mode. | Ensure 2.4GHz Wi-Fi, re-enter password, put device in pairing mode (press test button 3 times). |
| Alarm sounds frequently without apparent CO. | False alarm due to strong fumes (e.g., cleaning products) or detector placement. | Relocate the detector away from sources of fumes. Ensure proper ventilation. |
Technische Daten
| Besonderheit | Detail |
|---|---|
| Modellnummer | WS-720ES |
| Stromquelle | DC 2*1.5V Alkaline AA LR6 batteries |
| Sensorlebensdauer | max. 10 Jahre |
| Betriebstemperatur | -10°C bis +40°C |
| Luftfeuchtigkeit bei Betrieb | 0% ~ 95% relative Luftfeuchtigkeit nicht kondensierend |
| Alarm Schallpegel | ≥85 dB in 3 m Entfernung |
| Alarmausgang | Visuelle und akustische Anzeige |
| Aufwärmphase | Ca. 100 Sekunden |
| Montagemethode | Wandmontage oder Deckenmontage |
| Compliance-Standard | EN 50291-1:2018 |
| Akkulaufzeit | 5 Jahre |
| Maße | 83 mm x 83 mm x 23 mm (ca.) |
| Gewicht | 230g |
Garantie und Support
For warranty information and technical support, please refer to the documentation included with your purchase or visit the official HEIMAN webBewahren Sie Ihren Kaufbeleg als Kaufnachweis auf.





