3
ecotwin
COSMOGAS
CONTENTS
7.4 - Choosing the heating / cooling mode ...................................................................................... 46
8 - USE .........................................................................................................................47
8.1 - Display ....................................................................................................................................47
8.2 - Settings ...................................................................................................................................49
8.2.1 - ZONE 1 ....................................................................................................................................50
8.2.2 - ZONE 2 ....................................................................................................................................52
8.2.3 - DHW .........................................................................................................................................55
8.2.4 - DHW storage .............................................................................................................................56
8.2.5 - NIGHT ......................................................................................................................................57
8.2.6 - LEGIONELLA ............................................................................................................................57
8.2.7 - VACATION .................................................................................................................................58
8.2.8 - USER ........................................................................................................................................59
8.2.9 - WORKING MODE .....................................................................................................................60
8.2.10 - BACK-UP ................................................................................................................................61
8.2.11 - WATER PUMPS ......................................................................................................................62
8.2.12 - ELECTRIC LOCK ....................................................................................................................63
8.2.13 - OTHER OPTIONS ...................................................................................................................64
8.2.14 - REAL TIME DATA ....................................................................................................................66
8.2.15 - Info ..........................................................................................................................................67
8.2.16 - Home page ..............................................................................................................................67
9 - DIAGNOSTICS ........................................................................................................68
10 - MAINTENANCE ....................................................................................................72
10.1 - General warnings .................................................................................................................. 72
10.2 - Maintenance protocol ............................................................................................................ 72
10.3 - Check the water pressure in the system and there are no leaks
.......................................... 73
10.4 - Check the good condition of the safety valve
....................................................................... 73
10.5 - Check and clean the safety exhaust valve system
............................................................... 73
10.6 - Check the good condition of the safety and control devicees
............................................... 73
10.7 - Check the good conditions of the electrical system
.............................................................. 73
10.8 - Check the operation of the main switch
................................................................................ 73
10.9 - Check the temperature adjustment in heating and DHW
...................................................... 73
10.10 - Check the good conditions and operation of the vent valves present
................................. 73
10.12 - Check that the evapocondensing battery is clean
.............................................................. 73
10.13 - Check there are no leaks in the refrigerant circuit
.............................................................. 73
10.14 - Check the good conditions of the electrical connections
.................................................... 73
10.15 - Check the status of the fan
................................................................................................. 73
10.16 - Check the control devices
................................................................................................... 73
10.17 - Check the operating pressures of the refrigerant circuit
..................................................... 74
10.18 - Refrigerant circuit repairs .................................................................................................... 74
10.19 - Filling the refrigerant circuit ................................................................................................. 74
10.20 - Replace the pump ............................................................................................................... 74
10.21 - Cleaning the filter
................................................................................................................ 74
10.22 - Refrigerant accumulation in outdoor unit ............................................................................ 74
10.23 - Draining the heating circuit ................................................................................................. 74
10.24 - Remove the casing and access to the internal components of the GS unit ........................ 75
10.25 - Remove the casing and access to the internal components of the STM ............................ 75
10.26 - Wiring diagram .................................................................................................................... 76
11 - TECHNICAL DATA.................................................................................................80
12 -EU CONFORMITY DECLARATION .......................................................................82
13 - PRODUCT FICHE .................................................................................................83