E.C.A. Confeo Premix CP 24 HST Installation And User's Operating Instructions page 28

Room ventilated operation (air supply from boiler room)
d

B type kit: room air dependent application. Combustion air is provided from
This kit is suitable for
the installation room and products of combustion is discharged by means of the flue gas ducts.
a) Concentric vertical adapter with flange, (φ80/125mm)
0
b) 90 Concentric elbow, (φ80/125mm) [(a) + (b)  (7006951232)]
c) Air / flue terminal for B type, (φ80/125mm) (7006951257)
d) T adater (M-M-F), (φ80mm) (7006951289)
e) Trap (φ80mm) (7006951290)
f) Flexible Pipe (polypropylene, φ80mm) (7006951291)
g) Centralizing spacer (nylon) (7006951292)
h) Flue gas outlet terminal, L=1380 mm, from φ80 mm to φ80/125mm (7006951293)
fig. 18 [Lmax = a + b = 21 m]
The length of "a" should be less than 2 m.
- Please read page 14 for the selection of the boiler location.
WARNING: For room ventilated operation, the boiler location and flue gas discharge
connections must obey national and local requirements, gas safety
regulations and relevant standarts.
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