Technical data

Series F2 80 C
18 Ed. 06/2011
L.P.G. (Propane – Butane Mix)
For the first pressure drop required in the supply, it is advisable to install a pressure
regulator near the liquid gas tank so as to reduce the pressure to 1.5 bar. A pressure
regulator for a second pressure drop should be placed near the heater to reduce the
pressure from 1.5 bar to 30 mbar (306 mm H
2
O) (allowed tolerance between 20
mbar and 35 mbar).
L.P.G. (Pure Propane)
For the first pressure drop required in the supply, it is essential to install a pressure
regulator near the liquid gas tank so as to reduce the pressure to 1.5 bar. A pressure
regulator for a second pressure drop should be placed near the heater to reduce the
pressure from 1.5 bar to 30 mbar (306 mm H
2
O) (allowed tolerance between 20
mbar and 35 mbar).
!
In case of doubt on the composition of the GPL used, adjust the appliance as for the
propane-butane mix.
3 - Connect the heater to the gas supply line by equipping the gas supply pipe with a
shut-off cock and a three-piece union.
4 - Connect the flue pipe to the flue exit of the heater and eventually the external air
pipe for the combustion with ring for air intake.
5 - Connect the flange of the heater to the duct for the distribution of the warm air and
the mixing chamber with eventual ducts previewed for the intake air external and/or
internal.
6 - Verify that the sum of the losses of the ducting system will be between the values
indicated in the Table 7 at page 31.
3.3 SIZE AND INSTALLATION OF THE AIR INLET/FLUE EXHAUST
PIPES
F2 C Series gas fired unit heaters can be installed as follows
- C
13
type installation: room sealed combustion circuit appliance with inlet air
supply and outlet of exhaust gases, either separated (see Figure 3, Figure 4,
Figure 5, Figure 6 and Figure 7 starting from page 21). This type of installation is
sealed regarding the heated room.
- C
33
type installation: room sealed combustion circuit appliance with inlet air
supply and outlet of exhaust gases, either separated or concentric ducts (see
Figure 8 at page 23) on the ROOF. This type of installation is sealed regarding
the heated room.
- B
23
type installation: this appliance must be connected to a flew which draws the
exhaust gases to the outside, through a proper duct; while, the combustion air is
taken directly from the room. This exhaust flue duct can be either horizontal or
vertical. This type of installation is not sealed regarding the heated room (see
Figure 9, Figure 10, Figure 11, Figure 12, Figure 13 and Figure 14 starting from
page 24).