Installation and Use

87
GB
d
d
The opening section is insuffi cient
The opening is not suffi cient to supply the
appliance and the fl ue which must have its
own air supply opening (contact the fl ue ma-
nufacturer).
The opening section is insuffi cient
The opening is not suffi cient to supply the
appliance and the fan (to adjust the opening,
see table at the bottom of the page).
MAXIMUM FLOW IN
m
3
/h
AIR INLET SPEED IN
m/s
AIR PASSAGE ADDITIONAL
NET SECTION IN cm
2
up to 50 1 140
over 50 upt to 100 1 280
over 100 up to 150 1 420
The opening section must be of suitable
size
The opening is suffi ciently wide to allow a
suitable ventilation for the appliance.
YES
NO
YES
10
11
12