Index
1 Introduction ............................................................................................................................ 5
Warranty and Liability .............................................................................................................. 5 1.1
Warrant Terms ......................................................................................................................... 5 1.1.1
Liability ..................................................................................................................................... 5 1.1.2
Safety ....................................................................................................................................... 5 1.2
Intended use ............................................................................................................................ 5 1.2.1
1.2.1.1 Heat recovery unit FOCUS ...................................................................................................... 5
1.2.1.2 Control unit ............................................................................................................................... 6
Qualification of the target group ............................................................................................... 6 1.2.2
1.2.2.1 Operators ................................................................................................................................. 6
1.2.2.2 Qualified personnel .................................................................................................................. 6
Notes on safety ........................................................................................................................ 6 1.3
Safety appliances and measures ............................................................................................. 6 1.3.1
Used symbols ........................................................................................................................... 6 1.3.2
2 Hints for the operator and the qualified personnel ............................................................ 7
Product description .................................................................................................................. 7 2.1
Type plate ................................................................................................................................ 8 2.1.1
Requirements on the assembly site ......................................................................................... 8 2.1.2
Frost protection ........................................................................................................................ 8 2.1.3
Joint operation with heat-producing appliances ....................................................................... 8 2.1.4
Available control modules ........................................................................................................ 8 2.2
External control panel .............................................................................................................. 9 2.2.1
2.2.1.1 Operating functions control panel ............................................................................................ 9
2.2.1.2 Signalling of operating and maintenance modes ................................................................... 10
External control signal 0-10V ................................................................................................. 10 2.2.2
Boost ventilation mode with external boost ventilation sensing device ................................. 11 2.2.3
Maintenance by the operator ................................................................................................. 11
2.3
Replacement of the filter ........................................................................................................ 11 2.3.1
Reset of filter runtime ............................................................................................................. 14 2.3.2
What to do in the event of a failure? ...................................................................................... 14 2.3.3
Disposal ................................................................................................................................. 14 2.4
3 Hints for qualified personnel .............................................................................................. 14
Installation requirements ........................................................................................................ 14 3.1
Transport and packing ........................................................................................................... 14 3.1.1
Checking of the scope of delivery .......................................................................................... 15 3.1.2
Mounting ................................................................................................................................ 15 3.2
Wall mounting ........................................................................................................................ 15 3.2.1
Mounting on a mounting frame .............................................................................................. 17 3.2.2
Air duct connection ................................................................................................................ 19 3.2.3
Connection of the Condensate Drain ..................................................................................... 19
3.2.4
Electrical connections ............................................................................................................ 21 3.3
Connection operating panel ................................................................................................... 21 3.3.1
Connection of external boost ventilation switch ..................................................................... 22 3.3.2
Connection of external sensors ............................................................................................. 23 3.3.3
Connection external preheater battery .................................................................................. 23 3.3.4
Commissioning of the FOCUS ............................................................................................... 23 3.4
Operational readiness ............................................................................................................ 23 3.4.1
Adjusting the air volume flow ................................................................................................. 23 3.4.2
Adjustment of the Valves ....................................................................................................... 24 3.4.3
Maintenance and repair by qualified personnel ..................................................................... 25 3.5
Inspecting and cleaning the heat exchanger ......................................................................... 25 3.5.1
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