Changing A Thermostat Or A Thermometer; Bulbs Positioned In The Boiler Shell Pocket; Bulb Positioned On The Heating Output Tube; Bulb Positioned In The Pocket Of The Condensor - geminox FCX 22 C Technical Instructions

8 - CHANGING A THERMOSTAT OR A THERMOMETER

Fig. 64
L
2
1
8.1 - Bulbs positioned in the boiler shell
pocket
- Boiler temperature control thermostat.
- Water overheating safety thermostat.
8.2 - Bulb positioned on the heating output
tube
- Boiler temperature thermometer.
8.3 - Bulb positioned in the pocket of the
condensor
- Combustion product overheating safety thermos-
tat
8.4 - Changing thermostats or thermome-
ters
Safety: After each change, the capillary
!
must be properly secured on the pocket
opening so that the thermostat bulb
cannot accidentally fall out.
- Remove the boiler front panel (item no. J). Place
your hands on the right and left of the upper part
and pull towards you and then upwards,
8.4.1 - Bulbs in the boiler shell
- Extract the bulbs from the pockets (item no. 25
and 35) after removing the retaining clip (item
no M, fig. 65),
- remove the top of the casing (item no. A),
A
K
J
26
K
28
9
15
34
35
L
- remove the plastic cover (item no. 2),
- unscrew the 2 fixing screws (item no. K) from the
protection plate (item no. 9),
- remove the protection plate (item no. 9),
- unscrew the 4 fixing screws (item no. L) from the
control panel (item no. 1),
- remove the control panel (item no. 1) to gain ac-
cess to the thermostat,
- remove the faulty appliance and replace it,
- position the bulbs in the pockets (item no. 25) and
(item no. 35). To ensure satisfactory heat con-
tact, insert them as far as possible inside the poc-
ket.
Be sure to reposition the clips at the in-
!
let of each pocket (fig. 66, item no. M)
carefully to prevent the bulb from acci-
dentally falling out.
Fig. 65
35
25
8.4.2 - Bulb on the heating output tube
- Extract the bulb positioned in the pocket (item
no. 28, fig. 64) on the heating output tube,
- remove the top of the casing (item no. A, fig. 64),
- 43 -
MAINTENANCE
33
M
FCX-73-3
25