Atag iR 12

Installation & Servicing instructions ATAG iR-Range
19
Drain requirements Figure 9.5.2 (b)
1 Boiler
2 Visible air break
3 75mm trap
4 Visible air break and trap is not required because there is a trap
with a condensate seal of 180mm incorporated into the boiler
(minimum requirement is 75mm)
5 Soil and vent stack
6 Invert
7 450mm minimum up to three storeys
8 Minimum internal diameter 19mm (fall at least 45mm per meter)
1 Boiler
2 Visible air break
3 75mm trap
4 Visible air break and trap is not required because there is a trap
with a condensate seal of 180mm incorporated into the boiler
(minimum requirement is 75mm). In this case the 100mm is
measured to the trap in the boiler.
5 Sink, basin, bath or shower
6 Open end of condensate drainage pipe direct into gully 25mm
min below grating but above water level; end cut at 45°
7 Sink lip
8 Minimum internal diameter 19mm (fall at least 45mm per meter)
9 Pipesizetransition
10 Minimum internal diameter 30mm
11 Water/weather proof insulation
Drain requirements Figure 9.5.1 Drain requirements Figure 9.5.2 (a)
Drain requirements Figure 9.5.3
1 Boiler
2 Visible air break at plug-hole
3 75 mm sink, basin, bath or shower waste trap
4 Sink,basin,bathorshowerwithintegraloverow
5 Open end of condensate drainage pipe direct into gully 25mm
min below grating but above water level; end cut at 45°
6 Minimum internal diameter 19mm (fall at least 45mm per meter)
7 Pipesizetransition
8 Minimum internal diameter 30mm
9 Water/weather proof insulation
1 Condensate discharge from boiler
2 Condensate pump
3 Visible air break at plug hole
4 Sinkorbasinwithintegratedoverow
5 75mm sink waste trap