309
EN
cod. 3542A221 - Rev 00 - 10/2022
ALHENA TECH K 50
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 tem-
peratures high enough to cause severe burns. Before
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
2
3
1
1
Summary of Contents for ALHENA TECH 28 K 50
Page 217: ...B 217 EL cod 3542A221 Rev 00 10 2022 ALHENA TECH K 50 8 8...
Page 223: ...223 EL cod 3542A221 Rev 00 10 2022 ALHENA TECH K 50 FH Fh Stop 10 0 FH 2 Stop...
Page 234: ...234 EL cod 3542A221 Rev 00 10 2022 ALHENA TECH K 50 2 2 1 2 2 B 2009 142 5 C 15 C A 2 3 B...
Page 237: ...237 EL cod 3542A221 Rev 00 10 2022 ALHENA TECH K 50 2 5 B B 3 mm 3A...
Page 238: ...238 EL cod 3542A221 Rev 00 10 2022 ALHENA TECH K 50 B HAR H05 VV F 3x0 75 mm2 8 mm B 230 V...
Page 241: ...241 EL cod 3542A221 Rev 00 10 2022 ALHENA TECH K 50 2 6 B 200 Pa H1 C AUTO SE TUP...
Page 247: ...247 EL cod 3542A221 Rev 00 10 2022 ALHENA TECH K 50 B 2 7 B 0 5 lt B 37...
Page 256: ...256 EL cod 3542A221 Rev 00 10 2022 ALHENA TECH K 50 3 3 B B 1 1 41 2 41 2 3 1 1...
Page 257: ...257 EL cod 3542A221 Rev 00 10 2022 ALHENA TECH K 50 1 42 42 1 bar venturi OK NO 1 1...
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