Installation Procedure - Navien NCB-20LHWE Installation & Operation Manual

2.7 Installation Procedure

The ow diagram below provides a step-by-step description of the recommended procedure for clear, easy installation of the NCB LHWE
boiler in its nal location. A detailed description is given of the procedure in the sequenced sections below:
Wall-mounting
Water and condensate
pipe connection
Gas connection
DIP switch settings
Electrical connections
»
p. 18
»
p. 21
»
p. 25
»
p. 34
»
p. 35
Final check
»
. p 4 4
Gas changeover
(if necessary)
»
p. 61
Flue gases exhaustion
system installation
(if necessary)
»
p. 28
Boiler operation
»
. p 5 4
About the Boiler 17