Baxi POWER HT 1.850 Manual De Uso Destinado Al Usuario Y Al Instalador página 17

Figure 7
In case exhaust and intake flues not supplied by BAXI S.p.A. have been installed, these must be certified
for the type of use and must have a maximum pressure drop in according to the values reported in the
table.
To ensure the correct rated heat input to the maximum and minimum heat input, it is necessary to update the
speed (rpm) of the fan, it depends on the lenght of the pipes, in accordance with the installation of flue and
air pipes as indicated in the tables below.
The factory-set value is referred to the minimum length of flue pipe (0÷10 m). To carry such updating, changing
the speed of the fan at the (rpm and pwm%) , refer to par. 13÷14.
Max. length of flue duct ( L) : 20 m
Each 90° bend reduces the duct max. length by : 1 m
Each 45° bend reduces the duct max. length by : 0,5 m
WARNING
To guarantee more operating insurance it is necessary to assure the flue pipes to the wall using the
apposite clamps
.
ISTRUCTIONS PERTAINING TO THE INSTALLER
TABLE FUMES PRESSURE AVAILABLE
ΔP available
flue duct B23 Ø 100
HT 1.850
HT 1.1000
HT 1.1200
HT 1.1500
17
110
150
170
280
7650231.02 - en