D-EIMHP01505-22_00EN 2/59
Contents
1.
INTRODUCTION ............................................................................................................................................................. 5
1.1.
Precautions against residual risks .......................................................................................................................... 5
1.2.
General description................................................................................................................................................. 6
1.3.
Information about the refrigerant ............................................................................................................................ 7
1.4.
Safety Devices General Description ....................................................................................................................... 7
1.5.
Installation Site Requirements for the Indoor Unit .................................................................................................. 8
1.5.1.
Installation room area requirements ............................................................................................................ 8
1.5.2.
Countermeasures ...................................................................................................................................... 11
2.
RECEIPT OF THE UNIT ............................................................................................................................................... 13
3.
STORAGE..................................................................................................................................................................... 13
4.
MECHANICAL INSTALLATION ................................................................................................................................... 14
4.1.
Safety.................................................................................................................................................................... 14
4.2.
Handling and lifting ............................................................................................................................................... 14
4.2.1.
Lifting the Outdoor MONO unit .................................................................................................................. 14
4.2.2.
Lifting the Outdoor DUAL unit ................................................................................................................... 15
4.2.3.
Lifting the INDOOR unit............................................................................................................................. 15
4.3.
Outdoor Unit Positioning and assembly................................................................................................................ 16
4.3.1.
Outdoor Unit Minimum space requirements .............................................................................................. 17
4.4.
Indoor Unit Positioning and assembly .................................................................................................................. 18
4.5.
Additional installation site requirements ............................................................................................................... 19
4.6.
Combining Units and Options ............................................................................................................................... 20
4.7.
Preparing Refrigerant Piping ................................................................................................................................ 20
4.8.
Noise and sound protection .................................................................................................................................. 22
4.9.
Water circuit for connection with the unit .............................................................................................................. 22
4.9.1.
Water piping .............................................................................................................................................. 23
4.9.2.
Flow switch ................................................................................................................................................ 23
4.9.3.
Repairing and checking the water circuit connection ................................................................................ 23
4.9.4.
Water pressure .......................................................................................................................................... 23
4.10.
Water treatment .................................................................................................................................................... 23
4.11.
Water pressure drops for filters ............................................................................................................................ 24
4.12.
Indoor Unit Pump .................................................................................................................................................. 24
4.13.
Operation limits ..................................................................................................................................................... 25
4.14.
Operating stability and minimum water content in the system.............................................................................. 26
4.15.
Water flow limits.................................................................................................................................................... 27
4.16.
Calibrating the expansion vessel .......................................................................................................................... 27
5.
ELECTRICAL INSTALLATION .................................................................................................................................... 29
5.1.
General specifications .......................................................................................................................................... 29
5.2.
Electric connections .............................................................................................................................................. 29
5.3.
Cable requirements .............................................................................................................................................. 29
5.3.1.
Maximum cable dimension ........................................................................................................................ 30
5.3.2.
Safety device requirements ....................................................................................................................... 30
5.4.
Phase unbalance .................................................................................................................................................. 30
5.5.
Master Wiring Diagram ......................................................................................................................................... 31
6.
CONNECTING THE REFRIGERANT PIPING .............................................................................................................. 33
6.1.
To braze the pipe end ........................................................................................................................................... 33
6.2.
Using the ball valve............................................................................................................................................... 34
6.3.
To connect the refrigerant piping to the outdoor unit ............................................................................................ 35
Содержание EWYT021CZI-A1
Страница 51: ...D EIMHP01505 22_00EN 51 59 Figure 26 Refrigerant circuit P ID diagram for DUAL circuit EWYT CZ outdoor unit...
Страница 54: ...D EIMHP01505 22_00EN 54 59 Figure 28 Labels on the outdoor unit Figure 29 Labels on the indoor unit...
Страница 55: ...D EIMHP01505 22_00EN 55 59 Figure 30 Labels on the indoor unit Electric panel side...
Страница 58: ...Notes...
