Gaz Industrie BTwin BTH25, Technical Instructions

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TYPE B
a / INDIVIDUAL FLUTING OF EACH UNIT OUTSIDE THE BUILDING
- Remove grill at exhaust pipe (1).
- And replace with connection piece Ø100 (2) for Ø97 tube.
- Do not use grill as protection for a flue pipe end.
- Air inlets must be sufficient in the premises in order to
allow a good supply of the burner with air of combustion
Plan for an external air flow of at least 1,75 m3/h per
installed kW.
SAFETY INSTRUCTIONS CONCERNING THE INDIVIDUAL EVACUATION DUCT :
- No reduction of diameter can be accepted after the connection piece.
- It must be made out of stainless steel or aluminium with
smooth and rigid duct.
- The evacuation must be realized according to the norms in force in each concerned country.
- The maximum lenght of the exaust pipe do not be up than 8 meters + 3 bends 90° + 1
terminal ( see on the spreadsheet herunder).
- The duct must not include low point.
- Any accessory made out of plastic or PVC is absolutely prohibited.
Air flow
Fumes
temperature
Volumic flow Massic flow
BTH25 44 m
3
/h 177 °C 76 m/
3
h 57 kg/h
Flue system pipe lengths
Elbow 90° 2 m
Ebow 45° 1 m
Std protection cap against rain 2 m
1m rigid hose 1 m
CAREFUL : refer to the rules in force.
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