Module 3 Domestic Heating/MMA Welding

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Presentation transcript:

Module 3 Domestic Heating/MMA Welding Unit 4 – Commissioning and Maintenance Duration – 15 Hours

In this module we learn how to: Describe the commissioning procedure for domestic heating systems. Describe the purpose and procedure for balancing heating systems. Replace radiator valves and pumps in domestic heating systems.

Key Learning Points Rk Commissioning procedures.. Rk Sc Flushing through heating systems. Sk Filling and venting system. Sk Venting and adjusting pump. Sk Checking for leaks. Rk Sk Balancing a heating system. Sk Identification of valves. Sk Checking safety valve. Sk Checking feed and expansion tank, water level, expansion pipe, overflow. Rk Chemical treatment for heating systems. Sk Draining heating system. Sk Replacing radiator valves. Rk Isolation of electrical supply. Sk Replacing pump. Rk Air locks in heating systems. Rk Cold spots in radiators, flushing radiators. P Communication and teamwork