Wisualarm DHI-HY-HT5MA D1 Heat Alarm Mains Power

The Wisualarm DHI-HY-HT5MA is a D1 mains powered heat alarm with a built-in 10 year rechargeable lithium back-up battery. A high precision thermistor and smart algorithm give Class A1 heat detection, so it is ideal for kitchens, lofts, garages and boiler rooms where cooking fumes, dust or steam would set off a smoke alarm. It can be interlinked by hard wire or wirelessly with the optional WisuLink module.

Key features

• Class A1 heat detection (54°C to 65°C), rate of rise and fixed temperature
• Built-in 10 year rechargeable lithium battery back-up
• Hard wired interconnection of up to 24 units
• Wireless interconnection of up to 24 devices with the WisuLink module
• Test and silence on the central push button
• Can be silenced with an infrared remote control
• Over 85dB(A) at 3m
• Certified to BS 5446-2:2003

Technical specifications

• Model: DHI-HY-HT5MA
• Sensor: thermistor
• Alarm temperature: +54°C to +65°C (Class A1)
• Sound level: 85dB(A) or more at 3m
• Silence time: 9 minutes
• LEDs: green (standby), red (alarm), yellow (sensor or low battery fault)
• Mains supply: 100 to 250V AC, 50/60Hz
• Battery back-up: 10 year rechargeable lithium
• Interconnection: 24 units hard wired, or 24 wireless with WisuLink
• Dimensions: 148.6mm diameter x 68.4mm high
• Weight: 310g
• Casing: white PC+ABS
• Mounting: ceiling, indoor only
• Operating temperature: -10°C to +55°C
• Operating humidity: up to 95% RH, non-condensing
• Certifications: BSI, CE, UKCA; BS 5446-2:2003