Technical data

5.0 Installation

5.2 Fan Outlet Restrictor

Rear Flue only up to 500mm (19

in)

1. Release the four latches holding the

combustion box door (Fig 18). Remove the

combustion box door by pulling forward (Fig. 17).

2. Release the 5-pin electrical plug connecting the

pressure switch and fan (Fig. 19). Withdraw the

fan assembly by pulling forwards from the top

edge (Fig. 17).

3. Take the sheetmetal restrictor (supplied in the

kit of parts), check that the number stamped on

the restrictor matches the appliance (e.g. 50

stamped on the restrictor is for PFL 50 appliance).

4. Fit the restrictor to the fan outlet flange,

bending the 3 lugs equally ensuring the restrictor

seals against the fan outlet flange (Fig. 20).

5. Re-assemble the fan assembly and combustion

box door ensuring that the flexible tubes from the

fan unit to the pressure switch are routed correctly

and that they are not kinked or flattened

(Fig. 21).

Fan Outlet Flange

Fan Outlet Restrictor

Fig. 19

Fig. 18

Fig. 17

Fig. 20

Flexible Tubes

Fig. 21

Combustion Box Door

Fan Assembly

Pressure

Switch