20.01.2022 Rev. 00
5
Preventing damage caused by the presence of particles such as dirt, sediment, metal burrs on the
heating circuit installation and condensing boiler, for the comfortable and longer service life of
the boilers, It is recommended that the installation circuit is separated by plate heat exchanger as
primary and secondary circuit
For The High-rise Buildings, If height of structure more than 25 mt. Or more than 10 th floor ,
in order to ensure that condensing boiler cascade system operates comfortably at low pressures, a
plate heat exchanger must be installed in order to distinguish the high pressure between 2nd
circuit and the Primary circuit. the static pressure appearanced due to the height of building , the boiler
system is not allowed to operate under the influence of high pressure.
BOILER ROOM
Condensing Boilers must be installed in a suitable room/floor with minimum external air openings
and sufficient to ensure optimum gas-air mixture combustion, in compliance with the regulations.
Air openings of the boiler room, burner fan intake vents or air ducts must stay open to the
atmosphere and Bird cage should be installed in order to prevent any Bird, foreign body entrance
a.The build up of toxic / explosive gas mixtures in the boiler room,
b. Combustion with insufficient air, resulting in hazardous, anti-economical and polluting ope-
ration.
The Condensing boiler must be always protected from rain, snow and frost to prevent corrosion and
paint deformations.
Keep the condensing boiler room clean and free of solid volatile substances, which could be sucked
into the fan and clog the internal boiler or combustion air ducts.
Every
6-12
months, after first commissioning of boiler, the boiler devices should be cleaned with
protective chemicals to prevent calcification and resultant blocking and corrosion on the metallic
surfaces.
Flushing;
On the Currently operating systems, appropriate chemical solution with the pH range of 4-6 should be
selected for cleaning the pipeline installation for safety commissioning the condensing boiler.
In the new building installations and boiler heat exchangers, maintenance should be applied with
chemicals with neutral pH (neutral) effect and preventive maintenance must be carried out periodically.