SKG4-E Gas Fired Humidifier
Installation Instructions and User Manual
Page | - 38 -
Flue Gas Terminal
A proper flue gas terminal must be installed to prevent back flow or any other outside weather
condition that may affect proper operation of the SKG4 Humidifier.
Distances from the flue gas venting terminal to adjacent public walkways, buildings, and any
open able windows or building opening must conform to local codes and regulations.
Flue gas terminal must be at sufficient height above the ground level to prevent blocking by
accumulated debris. Building materials must be protected from degradation by flue gases.
Installation of the flue gas venting pipes must be as direct as possible, minimizing the number
of turns or elbows, with a maximum of 6 elbows in total.
Vertical flue gas terminal must extend at least 1 meter above the roof top, and 0.6 meter
above any ridge located within 3 meters from the terminal.
The terminal inlets and outlets from separate combustion and air supply circuits for the supply
of combustion air and the evacuation of combustion products must not terminate on different
walls of the building.
Minimum Spacing
Table 11 - Minimum Spacing When
Flue Gas Terminal is Located Towards Outside Air
Minimum
Spacing (mm)
Building or Other Element
300
Below adjacent opening (window, air vent or any
other ventilation opening).
75
Below a gutter, drain or soil pipe.
200
Below eaves catch or, balcony.
75
Beside vertical drain or soil pipe.
300
Beside adjacent corner or other flue gas terminal.
150
Beside adjacent opening (door, window, air vent or
any other ventilation opening).
300
Above adjacent ground or balcony level.
2100
Above ground level, in areas accessible to public.
1500
Above or below other flue gas terminal.
600
From a surface facing the terminal.
1200
From a facing other flue gas terminal.
1250
Above, below, beside or facing any electric or gas
meter, regulator or relief device.
Table 12 - Minimum Spacing When Flue Gas Terminal is Located in Car Port for Residential Building
Minimum
Spacing (mm)
Building or Other Element
200
Below car port ceiling.
75
Beside vertical drain or soil pipe.
300
Beside adjacent corner or other flue gas terminal.
1200
Beside adjacent opening (door or window).
300
Above adjacent ground or balcony level.
2100
Above ground level, in areas accessible to public.
1500
Above or below other flue gas terminal.
600
From a surface facing the terminal.
1200
From a facing other flue gas terminal.
1250
Above, below, beside or facing any electric or gas
meter, regulator or relief device.
Summary of Contents for SKG4-E Series
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