Pakole ZENIT-12 Series, Руководство пользователя, Страница: 12 / 36

ZENIT
TYPE TUBE RADIANT HEATER
User’s Manual
12
Combustion air may be drawn in from more spaces�
a) from inside (heated) space
b) from outside, in case outside combustion-air system is connected to the fan�
The combustion air must not drawn in from internal space in the following cases:
• if the heated building is under lower pressure than the outside
• if the atmosphere is contaminated with acid fumes, fluorocarbons, corrosive substances,dirt, oil, etc�,which can damage the
fan and pipe system
In this case the combustion air must be conducted to the device from the external space.
Example for outside combustion-air supply:
Tube length for combustion-air supply
6 meter with one elbow from 100 mm diameter tube�
15 m with two elbows from 150 mm diameter tube� More elbows can be used� One 90° elbow is correspond to 1 meter tube length
When two appliances are controlled by one thermostat in that case a common combustion-air supply can be used� The common duct of
two appliance must be Ø 150 mm and should not exceed 15 m in length� Maximum two 90° elbows may be used�
Combustion-air supply
Exhaust arrangements of combustion products
• Flue channel to the outside of building at each appliance
• Common flue channel for two appliances
•
Flue pipe is not allowed to have a low point, it must be made of Ø 100 mm stainless steel or aluminium. The minimum ascent of flue pip-
ing must be 2cm/m≈1°
Type of the exhaust system:
• Leading of combustion products across the wall
• Vertical leading of combustion products
The length of exhaust system:
The length of the exhaust system depend on the allowed maximal length and the used length of the appliance� The total length of exhaust
system can be the difference of allowed maximum length (m) as per types (ZENIT-12…58) and the used length – at the installation – plus
6 m�
L
:Total length of exhaust system
L
MAX
:The allowed maximal length of appliance (it is defined as per types)
L
used
:The used length of appliance (at the installation)
L = L
MAX
- L
used
+ 6 [m]
The total length of exhaust system can be expandable with 1 piece 90° elbow without any correction.
31.picture: Outside combustion-air supply
Flexible tube
ZENIT-type tube radiant heater
Inhale opening
End plate
6.
Air supply and venting system types