Drain Down - Chaffoteaux & Maury BRITONY SX 14 FF Installation, Servicing And User's Manual

7.3 Access to the Water Circuit
Important! Before any component is removed, the water heater must be drained of all water.

7.3.1 Drain down

1. Carry out step 7.1.1;
2. Turn OFF the cold water inlet tap on the appliance;
3. Place a container under screw P (Fig. 55) to catch any water;
4. Remove the screw P on the water valve (Fig. 55 & 56);
5. Turn ON the hot water outlet tap.
7.3.2 Removing the heat exchanger
1. Carry out steps 7.1.1 & 7.3.1;
2. Free the air pressure switch wires
from the heat exchanger by
removing the clip (Fig. 57);
5. Remove the two clips between the heat exchanger and the top of the
combustion chamber (Fig. 60 & 61);
F
IG
3. Unscrew
exchanger hot water outlet (Fig.
58);
F . 57
IG
F . 60
IG
. 55
the nut on the
F . 58
IG
F . 61
IG
24
P
F . 56
IG
4. Unscrew the
exchanger water inlet (Fig. 59);
6. Pull the exchanger towards you
(Fig. 62);
7. Reassemble in reverse order.
nut on the
F . 59
IG
F . 62
IG