How To Install - Navien KDB-203 STC Instruction Manual

How to install

Choosing of the installation place
For the place to install the boiler, choose the place possible to do the accompanying works, such
as water supply works or electric works.
For the place to install, choose the place conformed to the installation standards of the boiler
and the construction act or the code of each city or municipality.
Install the boiler in the place as wide as possible for the maintenance and the fire prevention.
Install the boiler in the place convenient for controlling and manipulation of the temperature.
If there is no electric outlet in the proper position, do wiring by requesting to a company
designated by the electric power company.
Around the installation place, there must be no place which stores and treats the combustibles
and the inflammables.
There should be equiped drainage in the installing spot.
The diagram of the standard piping :
Expansion tank install type
Cold Water
Hot Water
Heat Radiator
N0te:
Install such that the distance between the water level of the eapansion tank and the floor of the boiler may be within 35m.
12
Water Suppy
Return Water Distributor
Model : KDB-203/253/353 STC
Fiter
Distirbutor
Air Vent
Pressuer Gauge
Circulation Pump
Auto Valve
Expansion Tank
Pressure Relief Valve