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299
EN
cod. 3542A221 - Rev 00 - 10/2022
ALHENA TECH K 50
Connection to collective flues
fig. 36- Examples of connection to collective flues (
= Air /
= Fumes)
Table 9- Typology
If the
ALHENA TECH K 50
boiler is to be connected to a flue or a single chimney with natural draft,
the flue or chimney must be expressly designed by professionally qualified technical personnel in
conformity with the current regulations and be suitable for sealed chamber units equipped with
fan.
Clapet non-return valve
The
ALHENA TECH K 50
boiler is fitted as standard with a Clapet non-return valve (backflow pre-
venter) therefore,
only if running on Natural Gas
, it can be connected to collective flues in pos-
itive pressure.
Using this type of installation,
parameter P67
must be set to
1
.
In case of a type C(10)3 or C(11)3 boiler installation apply, IN A CLEARLY VISIBLE PLACE
on the FRONT PANEL, the relevant white sticker included in the document envelope sup-
plied with the unit.
Type
Description
C8X
Exhaust in single or common flue and wall intake
B3X
Intake from installation room by means of concentric duct (that encloses the exhaust) and exhaust in
common flue with natural draft
IMPORTANT- THE ROOM MUST BE PROVIDED WITH APPROPRIATE VENTILATION
C93
Exhaust to a vertical terminal and intake from existing flue.
C
8X
C
2X
C
4X
C
93
C
93
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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