DeDietrich AWHP-2 MIT-IN-2 iSystem Installation And Service Manual page 4

25/06/2014 - 7616371-001-04
4.4 Installing the outdoor module ...........................20
4.4.1 Positioning of the appliance ..................................20
4.4.2 Main dimensions ...................................................22
4.4.3 Locating the outside module ................................26
4.5 Installing the indoor module ..............................27
4.5.1 Positioning of the appliance ..................................27
4.5.2 Main dimensions ...................................................27
4.5.3 Assembly of the indoor module ............................28
4.6 Installing the outside sensor .............................29
4.6.1 Choice of the location ............................................29
4.6.2 Connecting the outside sensor ..............................29
4.7 Combination with a DHW tank ...........................30
4.8 Installing the refrigerant piping .........................30
4.8.1 Installing the pipes ................................................30
4.8.2 Water tightness test ..............................................35
4.8.3 Evacuation ............................................................35
4.8.4 Opening the valves ...............................................35
4.8.5 Adding refrigerant ..................................................36
4.9 Hydraulic connections .......................................36
4.9.1 Flushing the system ..............................................36
4.9.2 Connection of the heating circuit ...........................37
4.9.3 Hydraulic connection diagrams .............................37
4.10 Filling the heating system ..................................40
4.10.1 Water treatment in the heating circuit ...................40
4.10.2 Filling the system ..................................................42
4.11 Electrical connections ........................................42
4.11.1 Recommendations ................................................42
4.11.2 Recommended cable cross section ......................43
4.11.3 Accessing the connection terminal blocks ............44
4.11.4 Position of the PCBs .............................................46
4.11.5 Location of the fuse ...............................................47
4.11.6 Connecting the outdoor module ............................47
4.11.7 Connecting the communication cable between the
inside and outside modules ...................................47
4.11.8 Description of the terminal block on the inside
module ..................................................................48
4.11.9 Connecting the mains supply to the inside
module ..................................................................49
4.11.10 Connecting the electrical back-up to the inside
module ..................................................................49
4.11.11 Connecting the hydraulic auxilary on the inside
module ..................................................................51
4.11.12 Connection example for a system with hydraulic back-
up ..........................................................................52
4.11.13 Connection example for a system with electrical back-
up ..........................................................................57
4.11.14 Connection example in cooling mode ...................59
4.11.15 Pool connection .....................................................61
4.11.16 Connecting the options .........................................63
4.11.17 Connecting the "energy metering" option ..............64
4.11.18 Connection in cascade ..........................................67
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