Installation Check List - Navien NCB-20LHWE Installation & Operation Manual

10. Installation Check list

After installing the boiler, review the following checklist. Complete the boiler start-up process by carrying out the checks listed in the
table below.
If you have additional questions or need assistance with installation, contact an o cial Technical Assistance Service (TAS), or refer to the
technical support section of Navien's website (www.navien.co.uk).
Check
Check that the boiler is lled with water and check for any leaks in the heating
installation.
Check the gas type.
If the reference label is changed on gas type changeover, check the gas inlet pressure.
Check that the gas circuit is hermetically sealed.
Check that the control panel is working correctly.
Check that it functions normally when the boiler is switched on.
Check that the heating system water pressure is correct.
Check that the heating temperature indicated is correct.
Check that the DHW temperature indicated is correct.
Check that the reset operation is performed correctly.
Check that the parameters on the technical menu are correctly adjusted.
Measure the CO values.
2
Check that the boiler works correctly with the outdoor temperature sensor, if it has a
sensor connected.
Check that the anti-frost function is working correctly.
Check that the condensate drain pump is working, if the boiler has one.
44 Installation Check list
Value measured Notes