User`s manual

23
7.2.7 Check the ∆P with casing closed
1. Remove the protection cap at the
top of the appliance (Fig. 53);
2. Connect the manometer and
measure the ∆P (Fig. 54);
3. Ensure that the cap is replaced
after measurement.
FIG.53
FIG.
54
7.2.5 Removing the fan
1. Carry out step 7.1.1;
2. Remove the fan wires (Fig. 45);
3. Remove air pressure switch con-
nections K (noting position Fig. 43);
4
.
R
emove the screws
J & L t
o free the
fan (Fig. 45, 46, 47 & 48);
4. Pull the fan towards you (Fig.
49);
5. Reassemble in reverse order.
7.2.6 Removing the air pressure switch
1. Carry out step 7.1.1;
2. Remove the wires M and air
pressure switch pipes N noting
position (Fig. 50);
3. Remove the two screws O (Fig.
51 & 52);
4. Reassemble in reverse order
FIG.
45
FIG.48
FIG.49
FIG.50
FIG.51
K
FIG.47
FIG.46
K
J
L
L
L
M
N
O
FIG.52