The commissioning order: prove the gas sound and the system clean before firing, then check pressure, gas rate, combustion and flue, and hand over.
Commissioning establishes safe operation and the specified performance before handover. Complete the required gas-soundness and pre-firing checks before lighting the boiler. The stages below are a framework: follow the exact appliance procedure, including any permitted heated cleaning cycle and repeated filling, rinsing or treatment stages. Protect a new appliance from contamination in existing pipework.
Read the full Central Heating & Water Heaters note with Premium
You’re reading the free preview. PlumbRevise Premium unlocks the complete write-up, the worked detail for every Central Heating & Water Heaters note — plus timed tests on every module.
Plenty of modules are free to read in full.