
CONTENTS
1 Basic informations..................................................................................................... 3
2 Safety precautions..................................................................................................... 3
3 Specified symbols......................................................................................................4
4 Delivery contents BKH 42-66 Tunnel....................................................................... 6
4.1 Catalytic converter (optional)........................................................................................................ 9
4.2 Air connection box (optional)...................................................................................................... 10
4.3 Heat exchanger rings (optional)..................................................................................................10
4.4 Heat protection panel for Tunnel DT-DT.................................................................................... 11
5 Safety distances BKH Tunnel................................................................................. 11
6 Setting up.................................................................................................................. 14
6.1 Remove the transport locks........................................................................................................ 14
6.2 Heat protection panel Tunnel DT-DT..........................................................................................15
6.3 Set up the fireplace.....................................................................................................................22
6.4 Variant with external combustion air connection........................................................................ 24
6.4.1 Bottom connection (B).................................................................................................. 26
6.4.2 Side connection (S)...................................................................................................... 32
7 Variant with EAS or EOS.........................................................................................37
8 Fitting: catalytic converter...................................................................................... 48
9 Fitting: deflection combustion chamber - Tunnel................................................ 52
10 Variants heat exchanger..........................................................................................61
10.1 Connection with catalytic converter............................................................................................ 61
10.2 Connection without catalytic converter....................................................................................... 62
10.3 Heat exchanger - cast iron dome............................................................................................... 66
10.4 Heat exchanger rings.................................................................................................................. 69
10.5 Heat exchanger - MAS............................................................................................................... 75
11 Frame variants..........................................................................................................83
12 Conversions, settings..............................................................................................87
12.1 Change: door hinge.....................................................................................................................87
12.2 Adjusting of self-closing door.................................................................................................... 100
12.3 Modification - lifting door: “non self closing”............................................................................. 108
13 Disposal...................................................................................................................111
14 Technical data........................................................................................................ 112
2 Installation Manual BKH 5.0 Tunnel 42-66 green (1.11) © 2023 Brunner GmbH