326
EN
cod. 3541V620 - Rev. 00 - 05/2021
ALHENA TECH H
3.3 Maintenance
IMPORTANT
B
ALL MAINTENANCE WORK AND REPLACEMENTS
MUST BE CARRIED OUT BY SKILLED QUALIFIED
PERSONNEL.
Before carrying out any operation inside the boiler,
disconnect the power and close the gas cock up-
stream. Otherwise there may be a danger of explo-
sion, electric shock, suffocation or poisoning.
Opening the front panel
B
Some internal components of the boiler can reach
temperatures high enough to cause severe burns. Be-
fore carrying out any operation, wait for these compo-
nents to cool or else wear suitable gloves.
To open the boiler casing:
1. Undo the screws “1” (see fig. 41).
2. Pull the panel outwards and lift it.
fig. 41- Front panel opening
B
On this unit, the casing also acts as a sealed chamber.
After any operation involving opening the boiler, care-
Summary of Contents for ALHENA TECH 28 H
Page 45: ...45 IT cod 3541V620 Rev 00 05 2021 ALHENA TECH H fig 48 fig 49 fig 50 5 6 6 ...
Page 103: ...103 ES cod 3541V620 Rev 00 05 2021 ALHENA TECH H fig 48 fig 49 fig 50 5 6 6 ...
Page 160: ...160 RO cod 3541V620 Rev 00 05 2021 ALHENA TECH H fig 48 fig 49 fig 50 5 6 6 ...
Page 217: ...217 PL cod 3541V620 Rev 00 05 2021 ALHENA TECH H wygląd 48 wygląd 49 wygląd 50 5 6 6 ...
Page 275: ...275 EL cod 3541V620 Rev 00 05 2021 ALHENA TECH H İȚț 48 İȚț 49 İȚț 50 5 6 6 ...
Page 330: ...330 EN cod 3541V620 Rev 00 05 2021 ALHENA TECH H fig 48 fig 49 fig 50 5 6 6 ...
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