Technical data

2. Installation ProCon HT 150 / HT 225
• Installation type C
43
C 43 = - Gas appliance (Fan in front of the burner) with flue gas
system that draws the combustion air from outdoors via a
closed system (room air independent gas furnace).
- Gas furnace with combustion air supply and flue gas
discharge for connection to an air/flue gas system (across
different ducts).
• Installation type C
63
C 63 =- Gas appliance (Fan in front of the burner) with flue gas
system that draws the combustion air from open outdoors
via a closed system (room air independent gas furnace).
- Gas furnace designated for connection to combustion air
supply and to the discharge line of the flue gas and that
has not been checked with the gas furnace .
• Air/flue gas terminal
Flue gas pipes have a nominal width of 160 mm and for air inlet
pipes it is 125 mm. To put the flue gas pipes together, you can
use approved lubricants or water. The seals of the air inlet pipe
should be lubricated .
• Ducted air/flue gas system
The gas-condensing boiler ProCon is connected to an MHG air/flue
gas system made of plastic. The building supervisory authority
generally approves the methods of ducted installation. Note the
approval certificate of flue gas pipe: No.: Z-7.2-3266 (room air
independent ) and No. Z-7.2-3265 (room air dependent ) for
configuration and design.
• Room air dependent operation - B
23
B 23 = - Gas appliance (Fan in front of the burner) with flue gas
system that draws the c ombustion air from the
installation room (room air dependent gas furnace).
- The flue gas discharge takes place under reduced
pressure as well as under overpressure.
Use only components approved and provided by
MHG for drainage and for supplying air
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