EXHAUST ALERT SYSTEM Single Engine System OEM System without Helm Display: This unit is suitable for a bespoke helm display installation. System with Helm Display: Part No. AS150 Description Part No. Complete system with control box, helm display with 10 m of cable and 1 through hose sensor with 3 m of cable. AS180 Description Complete system with OEM control box and 1 through hose sensor with 3 m of cable. Sensing overheating in marine exhaust systems Twin Engine System OEM System without Helm Display: This unit is suitable for a bespoke helm display installation. System with Helm Display: Part No. AS250 Description Part No. Complete system with control box, helm display with 10 m of cable and 2 through hose sensor with 3 m of cable. AS280 EXHAUST ALERT SYSTEM Description Complete system with OEM control box and 2 through hose sensors with 3 m of cable. Triple Engine or Twin Engine and Generator System OEM System without Helm Display: This unit is suitable for a bespoke helm display installation. System with Helm Display: Part No. AS350 Description Part No. Complete system with control box, helm display with 10 m of cable and 3 through hose sensor with 3 m of cable. AS380 Description Complete system with OEM control box and 3 through hose sensors with 3 m of cable. Spare / Additional Parts Part No. Description AS700 Control box AS705 OEM control box AS710 Single engine helm display with 10 m cable AS720 Twin engine helm display with 10 m of cable AS730 Twin engine and generator helm display AS900 Through hose sensor with bush fitting and 3 m of cable AS905 Through hose sensor with bush fitting and 3 m of cable. This allows the replacement of a burnt out sensor without removing the exhaust hose Phone and ask us if you’d like more help. We’re happy to talk through the details of any installation. Halyard holds ISO9001 Quality Assurance. All products in this brochure meet the requirements of the Recreational Craft Directive. HALYARD (MARINE & INDUSTRIAL) LIMITED Whaddon Business Park, Southampton Road, Whaddon, Salisbury SP5 3HF, United Kingdom. Telephone: +44 (0)1722 710922 Fax: +44 (0)1722 710975 E-mail: [email protected] www.halyard.eu.com Literature Code HMI 83/03 © Halyard (M & I) Limited 2006. We must reserve the right to change specifications without prior notice. T2062 12/06 One of a series of brochures on products from Halyard 5

EXHAUST ALERT SYSTEM The HMI Exhaust Alert is designed and manufactured in Britain How does it work? The HMI Exhaust Alert works with a 12 Volt or 24 Volt supply. It has three main components: Why fit an HMI Exhaust Alert? Marine diesel exhaust systems are designed to take temperatures of only 120°C. The exhaust gasses, however, may reach more than 500°C. To cool the gasses, the exhaust depends on a free flow of cooling water from the engine. This flow can be cut off, by a plastic bag or seaweed being sucked into the intake, or by a problem with the water pump. The exhaust temperature will rise...