
1 - GENERAL SAFETY WARNINGS ..............................................................................4
1.1 - National installation laws ........................................................................................................... 4
2 - GENERAL INFORMATIONS .....................................................................................5
2.1 - Overview of the models ............................................................................................................ 5
2.2 - Accessories ............................................................................................................................... 5
2.3 - Distributor .................................................................................................................................6
2.4 - Key to symbols used ................................................................................................................. 6
2.5 - Maintenance ............................................................................................................................. 6
2.6 - Disposal ....................................................................................................................................6
3 - HYDRAULIC CONNECTIONS ..................................................................................7
4 - MAIN COMPONENTS ...............................................................................................9
5 - OPERATION ...........................................................................................................12
5.1 - Intended use and function ....................................................................................................... 12
5.2 - Available head to the heating / cooling system ....................................................................... 13
5.3 - Ecotwin with one heating/cooling circuit and DHW ................................................................. 16
5.3.1- Configuration for one heating/cooling circuit and DHW
.............................................................17
5.4 - Ecotwin with one heating/cooling circuit, DHW and a buffer tank
........................................... 18
5.4.1- Configuration for one heating/cooling circuit, DHW and a buffer tank
........................................19
5.5 - Ecotwin with one heating/cooling circuit, DHW, a buffer tank and a boiler
............................. 20
5.5.1 - Configuration for one heating/cooling circuit, DHW, a buffer tank and a boiler
.........................21
5.6 - Ecotwin with double heating/cooling circuit, DHW, a buffer tank and a boiler
......................... 22
5.6.1 - Configuration for double heating/cooling circuit, DHW, a buffer tank and a boiler
....................23
6 - INSTALLATION .......................................................................................................25
6.1 - Opening the package
.............................................................................................................. 25
6.2 - GS indoor unit dimensions ...................................................................................................... 25
6.3 - Minimum clearance distances of GS indoor unit ..................................................................... 25
6.4 - Minimum clearance distances of STM outdoor unit ................................................................ 26
6.6 - Warnings before installation .................................................................................................... 28
6.7 - Choosing the installation location of GS indoor unit ............................................................... 28
6.8 - Choosing the installation location of STM outdoor unit ........................................................... 28
6.8.1 - Mounting the appliance .............................................................................................................29
6.8.2 - STM outdoor unit condensate drain installation ........................................................................29
6.8.3 - Installation in cold and snowy areas .........................................................................................30
6.9 - Heating/Cooling supply and return .......................................................................................... 30
6.10 - Radiant panel systems (or low temperature) ........................................................................ 31
6.11 - Domestic hot and cold water ................................................................................................. 31
6.12 - Antilegionella ......................................................................................................................... 31
6.13 - Distances between indoor and outdoor unit .......................................................................... 32
6.14 - Wall mounting of the GS indoor unit ..................................................................................... 33
6.15 - Installation of the safety kit in the GS indoor unit
.................................................................. 34
6.16 - Refrigerant connections ........................................................................................................ 35
6.16.1 - Connections for the refrigerant gas circuit ...............................................................................36
6.16.2 - Checking the tightness of the refrigerant circuit
......................................................................38
6.16.3 - Evacuation of the air from the refrigerant circuit and release the refrigerant ..........................38
6.16.4 - Refrigerant addition according to the length of the refrigerant circuit ......................................39
6.17 - Electrical connections: general information .......................................................................... 39
6.17.1 - Electrical supply connection of GS indoor unit ........................................................................42
6.17.2 - Electrical supply connection of STM outdoor unit ...................................................................42
7 - START UP ...............................................................................................................45
7.1 - Before starting ......................................................................................................................... 45
7.1.1 - User instructions ........................................................................................................................45
7.1.2 - Filling the heating / cooling circuit .............................................................................................45
7.2 - Emergency operation ............................................................................................................. 45
7.3 - Start up ...................................................................................................................................46
CONTENTS
Содержание ECOTWIN
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