DAH1 TRAINING COURSE
DAH1 Training Course Description
This DAH1 training course covers; install, commission, exchange, disconnect, service, repair and breakdown of domestic gas fired ducted air heaters of heat input <70kW, including up flow, down flow and horizontal flow models.
This course is for candidates that already hold a current in date CCN1, have evidence of being gas safe registered, and wish to add this appliance to their qualification. The candidate must have a current CCN1 qualification for a minimum of 12 months and have evidence of being gas safe registered. Training is mandatory for initial appliances.
Small groups
All our courses are run in small groups of no more than six operatives to ensure the best learning environment for our customers.
System description
A domestic gas-fired ducted air heater is a type of heating system that uses natural gas as a fuel source. The system typically consists of a central unit that is installed in the home and connected to a network of ducts. The central unit heats the air and then distributes it through the ducts to different rooms in the house. This type of system is often used in homes to provide efficient, whole-house heating.
What you will learn:
- Assessing the installation site
- Understanding gas connection and supply pipes
- Safely securing the appliance
- Meeting ventilation requirements
- Addressing flueing requirements
- Conducting tightness testing
- Determining air changes and velocities
- Managing operating pressures
- Commissioning and testing the appliance
- Conducting site-specific checks and tests
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