
- 25 -
MAINTENANCE
4 - CHANGING THE THERMOSTATS OR THE THERMOMETER
4.1 - Bulbs positioned in the pocket (7)
- Domestic hot water temperature setting
thermostat (9).
- Water overheating safety thermostat (17).
4.2 - Bulb positioned in the pocket (D)
- Thermometer (10).
4.3 - Changing the thermostats or the
thermometer
- remove the protective plate (22) - remove the 3
screws (23),
- remove the insulation (18),
4.3.1 - Thermostats
- gently take the bulbs out of the pocket (7),
- remove the button (21) from the setting
thermostat (9)
- unscrew the 2 attachment screws (C) on the
thermostat (9),
- remove the cap from the safety thermostat (17),
- unscrew the attachment screw on the thermostat
(17)
- remove the defectives thermostats (9 / 17) and
replace it,
- position the bulbs in the pocket (7). Push the
safety thermostat bulb as far as possible into the
pocket to ensure satisfactory thermal contact and
then the setting thermostat bulb.
If the tank is heated by a boiler, the
setting thermostat bulb will be replace
by the domestic hot water sensor bulb
in the pocket (7).
4.3.2 - Thermometer
- gently take the bulb out of the pocket (D),
- remove the defective thermometer (10) and
replace it,
- position the thermometer bulb in the pocket (D).
Push it as far as possible into the pocket to
ensure satisfactory thermal contact.
!
9
10
D
D
EB
S-1
5
-3E
17
22
23
18
7
21
C
9
EBS-1
1-3E
17
10
Fig. 14
Содержание EBS-1 100
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