Removing The Pressure Gauge; Removing The Dhw Flow Switch; Removing & Cleaning The Condensate Trap; Access To The Control System - Ariston Combi A 24 MFFi Installation And Servicing Instructions

18.3.11 Removing the pressure gauge

1. Carry out steps 18.1.1 and 18.3.1;
2. Remove the pressure gauge by releasing the two clips V
and pulling the pressure gauge out. (see Fig. 101)
18.3.13 Removing & cleaning the condensate trap
1. Unscrew the cap of the condensate trap (see Fig. 103)
18.4

Access to the Control System

18.4.1 Removing the P.C.B.s
1. Carry out steps 18.1.1 and 18.1.2;
2. Remove the two screws W1 from the electrical box (see
Fig. 105);
50
V
Fig. 101
Fig. 103
W1
Supplied By www.heating spares.co Tel. 0161 620 6677
18.3.12 Removing the pressure switch
1. Remove the casing as in step 18.1.1 and drain down as
in step 18.3.1;
2. Pull off the connections. Then remove the pressure
switch by releasing it's securing clip (see Fig. 102).
2. Empty the condensate products and rinse the
condensate trap with clean water (see Fig. 104)
3. Reassemble in reverse order and fill the condensate trap
with 1/2 litre of water before restarting the boiler.
3. Release the three clips W2 and remove the electrical box
cover (see Fig. 106);
Fig. 105
Fig. 102
Fig. 104
W2
Fig. 106