3
AGUADENS
COSMOGAS
INDEX
7.7 - “User menu” Parameters ........................................................................................................................................ 46
7.8 - “Installer menu” & parameters ................................................................................................................................ 47
7.9 - Diagnostics ............................................................................................................................................................. 48
7.9.1 - Diagnostics “Loc” block fault codes and potential solution ....................................................................... 49
7.9.2 - Diagnostics “E” error fault codes and potential solutions .......................................................................... 51
7.10 - Switch ON and OFF the appliance ....................................................................................................................... 52
8 - MAINTENANCE ............................................................................................................................................53
8.1 - Care and maintenance ........................................................................................................................................... 53
8.1.1 - Service recall ............................................................................................................................................ 53
8.1.2 - Address reported problems ....................................................................................................................... 53
8.1.3 - Check all piping for gas leaks ................................................................................................................... 53
8.1.4 - Verify flue and air lines in good condition and sealed tight;
...................................................................... 53
8.1.5 - Check system water pressure/system piping/expansion tank; ................................................................. 53
8.1.6 - Check control settings ............................................................................................................................... 53
8.1.7 - Check wiring and connections .................................................................................................................. 54
8.2 - Casing removal ...................................................................................................................................................... 54
8.3 - Burner and fan removal
.......................................................................................................................................... 55
8.3.1 - Thermal insulations ................................................................................................................................... 55
8.4 - Gas burner and heat exchanger outer surface cleaning procedure ....................................................................... 55
8.5 - Condensate siphon cleaning procedure ................................................................................................................. 57
8.6 - Ignition and flame isonising electrode position
....................................................................................................... 58
8.7 - Circulation pump replacement procedure .............................................................................................................. 58
8.8 - Domestic water flow meter replacement procedure
............................................................................................... 59
8.9 - Safety valve replacement procedure ...................................................................................................................... 59
8.10 - Procedure for draining the water heater ............................................................................................................... 60
8.11 - Fan test mode procedure ..................................................................................................................................... 60
8.12 - Gas burner minimum and maximum performance test mode procedure ............................................................. 60
8.13 - Checking the ionisation current ............................................................................................................................ 61
8.14 - Water temperature measurement sensor testing procedures .............................................................................. 61
8.15 - Operational wiring diagram .................................................................................................................................. 62
8.16 - Multi-wire wiring diagram ..................................................................................................................................... 64
9 - TECHNICAL DATA ........................................................................................................................................66
10 - COMMAND MENU DIAGRAM ....................................................................................................................67
11 - ENGINEERS TEST MODE..........................................................................................................................68
12 - CE DECLARATION OF CONFORMITY ......................................................................................................69
Summary of Contents for AGUADENS Series
Page 65: ...65 AGUADENS COSMOGAS 8 MAINTENANCE ...
Page 70: ......
Page 71: ......
Page 72: ...COSMOGAS s r l Via L da Vinci 16 47014 MELDOLA FC ITALY info cosmogas com www cosmogas com ...