Index
1. Safety considerations ........................................................................................... 6
1.1 Safety ........................................................................................................................... 6
1.2 Manual ......................................................................................................................... 6
1.3 Risk situations ............................................................................................................ 6
1.4 Intended use .............................................................................................................. 6
1.5 Installation .................................................................................................................. 6
1.6 Maintenance .............................................................................................................. 6
1.7 Modification ................................................................................................................ 6
1.8 Breakdown/Malfuction ............................................................................................ 6
1.9 User training ............................................................................................................... 6
1.10 Data update ............................................................................................................... 6
1.11 Original instructions ................................................................................................. 6
2. Indications for the User ........................................................................................ 7
2.1 Breakdown/Malfuction ............................................................................................ 7
2.2 The installer must train the user, particularly on:.............................................. 7
2.3 Unit indentification ................................................................................................... 7
2.4 Serial number ............................................................................................................ 7
3. Information on refrigerant gas ............................................................................ 8
4. Before installation ................................................................................................. 9
4.1 Reception .................................................................................................................... 9
4.2 Storage ........................................................................................................................ 9
4.3 Packaging removing ................................................................................................ 9
4.4 Handling ...................................................................................................................... 9
5. Selecting the installation site .............................................................................. 10
5.1 General ........................................................................................................................ 10
5.2 Functional spaces ..................................................................................................... 10
5.3 Positioning .................................................................................................................. 10
5.4 Air flow-rate on the coils ......................................................................................... 10
5.5 Saftey valve gas side ............................................................................................... 10
5.6 Condensate water .................................................................................................... 11
6. Water connections................................................................................................. 12
6.1 Hydraulic system ...................................................................................................... 12
6.2 Water quality .............................................................................................................. 12
6.3 Cleanliness ................................................................................................................. 12
6.4 New systems .............................................................................................................. 12
6.5 Existing systems ........................................................................................................ 12
6.7 Anti-freeze solution .................................................................................................. 13
6.8 Water flow-rate .......................................................................................................... 13
6.9 Minimum system water content ............................................................................ 13
6.10 Flow Switch ................................................................................................................ 13
6.11 Water filter .................................................................................................................. 14
6.12 Non-return valve ....................................................................................................... 14
6.13 Operation sequence ................................................................................................ 14
6.14 Hydronic units and connection diagrams recommended ............................. 14
6.15 Standard unit .............................................................................................................. 15
6.16 Unit + pump ................................................................................................................ 15
6.17 Unit + water tank ....................................................................................................... 16