If outdoor air is used to provide combustion air to the appliances, there are two test conditions for the combustion appliance assessment: equipment-off and equipment-on. With the equipment off, verify that the CO level in the zone is below the alarm limit and that there is no natural gas leakage.
Defence Industries Queensland: 1  supports national and international prime contractors to find defence capabilities. 2  helps companies working or wishing to work in defence to up-skill and make connections with defence contractors and suppliers. 3  assists the Australian Defence Force to expand its presence in Queensland.
The company acquired OYL Group, a Malaysian company in 2006 and with it is having brand names such as McQuay (HVAC), J&E Hall (Refrigeration & HVAC) and AAF (American Air Filtration). With the acquisition, Daikin Industries is now the second largest HVAC manufacturer in the world after Carrier Corporation. Other Japanese players in the market are Mitsubishi, Panasonic, Toshiba and Sanyo.