Understanding Howler Systems in Fire Safety

Construction and short-term sites present distinct fire risks due to ever-changing layouts, mobile equipment, and dispersed work zones. A dependable alarm setup is vital for promptly alerting everyone in case of danger. The Howler range – including the GOLink system, HO alarms, and site alert units – offers a scalable, adaptable solution suitable for diverse environments.

What are HO Alarms?

HO alarms are battery-operated, standalone units designed for temporary spaces such as portable offices or unconnected site areas. No hard-wired connection is required, making installation straightforward.

• Loud warning: Generally 102 dB at 1 metre.


• Strobe integration: Optional units feature a strobe light alongside the audible siren.


• Weather resistance: Many are IP-rated for outdoor or semi-exposed installation.

HO alarms augment main systems, covering areas not reached by the central site alert infrastructure.

The Site-Wide Site Alert Systems

The Howler Site Alert system suits compact and medium-sized sites. Each unit can work alone or be wired together with up to 20 others. When activated, all connected units will sound and flash, ensuring broad coverage.

• Audible warning: Approx. 100 dB at 1 m


• Visual cue: Built-in red LED beacon


• Best used where cable runs are straightforward

Site Alert RF

Where wiring is impractical, the Site Alert RF allows up to 30 devices to connect wirelessly to a master unit. With up to 1 km open-air range and multiple frequency channels, this setup is ideal for sprawling or temporary layouts.

Hybrid installations using both wired and wireless units are common and offer better coverage.

GOLink Integration

GOLink acts as a radio-linked backbone, supporting site-wide communication and coordination.

GOLink Interface Unit

This module connects Howler alarms to third-party infrastructure (e.g. CCTV, access control), allowing signals to cascade when an event occurs. Up to 127 stations can communicate over the GOLink network.

First Aid Alert Feature

Some models, such as the H05 GOLink, incorporate separate fire and first aid switches. The latter sends a non-intrusive assistance signal to a control point without triggering full evacuation unless specified.

Effective Site Planning Tips

• Zone planning: Map the site into clear zones (e.g. cabins, workshops) and position units for optimal reach.


• Wired & wireless balance: Use wired alarms where infrastructure allows; RF units in more mobile areas.


• Regular testing: Weekly or monthly inspections to confirm functionality and battery levels.


• Staff training: Ensure all personnel understand alarm tones, first aid indicators, and emergency response steps.

FAQs

Max alarm connections?

Up to 20 wired Site Alert units using 2-core cable.

Wireless range of Site Alert RF?

Approx. 1 km in open air (may reduce with obstacles).

Is a panel required?

No. HO alarms operate independently without central panels.

Can GOLink connect to other systems?

Yes, via the Interface Unit. External systems such as CCTV and turnstiles can be integrated.

What is an alarmed switch cover?

It reduces false alarms by requiring cover removal before pressing. An alert sounds if tampered with.

Hybrid system support?

Yes. Mixed networks are common and synchronised through the GOLink system.

Does first aid alert trigger full system?

No. The signal is isolated unless configured otherwise.

Final Thoughts

here Reliable fire safety relies on adaptable, clearly communicated alarm strategies. The Howler suite, including HO alarms, Site Alerts and GOLink systems, provides dependable protection for sites of all types. For product specifications, planners, or live demonstrations, see the Howler section at FireSense.