14
ZENIT
70
+
TYPE TUBE RADIANT HEATER
Instructions for Installation and Servicing
Combustion air may be drawn in from more spaces:
•
from inside (heated) space,
•
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 meter 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 150mm and should not exceed 15 m in length. Maximum two 90° elbows may be used.
Combustion-air supply
26.picture: Outside combustion-air supply
Inhale opening
Outside cover
plate
Flexible pipe
Tube radiant heater
Содержание ZENIT 70+
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