Here you will find technical tips, notes and answers to the most commonly asked questions about JHY products.

If you don't find the answer to your question here, email Technical Support

1.Smoke alarms, gas alarms and CO alarms look and sound similar, do they operate differently? What's the difference between them?

Although they may look and sound similar, smoke alarms, gas alarms and CO alarms are designed and intended to detect three separate, distinct hazards. Therefore, to help protect your family from those hazards, it's important to install all smoke alarm, gas alarm and CO alarms.

2.What's the difference between residential CO alarms and vehicle CO alarms?

They have the same features, but they have different basements, vehicle CO alarms are ideal for vehicles installations.

3.Are the residential smoke alarms your company provides photoelectrical? What's the difference among residential smoke alarms, intelligent photoelectrical smoke detectors and conventional photoelectrical smoke detectors?

Our company indeed provides photoelectrical residential smoke alarms, they are 9V battery powered and self-governed , they are widely used in residential rooms. Intelligent photoelectrical smoke detectors and conventional photoelectrical smoke detectors are not self-governed, they have to used with a fire alarm control panel. Conventional photoelectrical smoke detectors are electrical addressed while conventional photoelectrical smoke detectors need not to be addressed and occupying no loop address.

4.What's the difference between Intelligent Heat Detector and Conventional Heat Detector?.

They both need to used with a fire alarm control panel. Intelligent heat detectors are electrical addressed while conventional heat detectors need not to be addressed and occupying no loop address.

5.What's the difference between single loop fire alarm control panels and linkage type fire alarm control panels?

Single loop fire alarm control panels are ideal for stand-alone and small applications. A single loop fire alarm control panel is a compact and low cost control panel with high performance and facilities, it can support from 20 up to 200 addressable points. Users can order for different addressable points for least cost. Linkage type fire alarm control panels can support 64 Singling Line Circuit(SLC), they are designed for mid to large size applications.