E.C.A. Confeo Premix CP 24 HST Installation And User's Operating Instructions page 15

WARNING: For room ventilated operation, the boiler location and flue gas discharge

Room ventilated operation boilers must not be installed in a bedroom, bedsitting room,
bathroom or in a room containing a bath or shower and also the installation room must not contain
inflammable or explosive liquid or materials. The boiler should not be installed in rooms with high
level of dust or humidity.

General requirements for the installation room of the room ventilated boilers: The installation
room must have 1 m
3
have 24 m volume at least for boilers of 24 kW heat output (fig. 5a). Also, a permanent air vent
connected to external air with cross-section area of 150 cm
- If volume of the room is less than 1m
24 kW heat output, 2 additional permanent air vents connected to adjacent room with cross-section
2
areas of 150 cm are required, one at high level and one at low level. The adjacent room must not be
a bathroom, bedsitting room or bedroom. The total volume of the installation room and the adjacent
room must be more than 24 m
WARNING: Do not block the air vents which provide fresh air to the installation room.
a) Volume of installation room ≥ 1m
connections must obey national and local requirements, gas safety
regulations and relevant standarts.
3
volume for each 1 kW heat output. Therefore, The installation room must
3
/kW that means the volume is less than 24 m
3
as well. The additional air vents should be on the same wall
3
/kW
fig. 5 (please see also fig.18)
2
is required.
b) Volume of room represented by 1 ≤ 1m
Total volume of rooms 1 and 2 ≥ 1m
(installation room is represented by 1)
(adjacent room is represented by 2)
3
for boilers of
(fig. 5b).
3
/kW
3
/kW
14