3
AGUADENS
COSMOGAS
INDEX
7.7 - Pumps anti-block .................................................................................................................................................... 42
7.8 - Display Energy Saving mode ................................................................................................................................. 42
7.9 - “User menu” Parameters ........................................................................................................................................ 43
7.10 - “Installer menu” & parameters .............................................................................................................................. 44
7.11 - Diagnostics ........................................................................................................................................................... 46
7.11.1 - Diagnostics “Loc” block fault codes and potential solution ...................................................................... 47
7.11.2 - Diagnostics “E” error fault codes and potential solutions ........................................................................ 49
7.11.3 - Diagnostics “AttE” alarm fault codes and potential solutions .................................................................. 50
8 - MAINTENANCE ............................................................................................................................................51
8.1 - General recommendations ..................................................................................................................................... 51
8.2 - Casing removal ...................................................................................................................................................... 52
8.3 - Burner and fan removal .......................................................................................................................................... 53
8.4 - Gas burner and heat exchanger outer surface cleaning procedure ....................................................................... 53
8.5 - Condensate siphon cleaning procedure ................................................................................................................. 54
8.6 - Ignition and flame isonising electrode position
....................................................................................................... 55
8.7 - Circulation pump replacement procedure .............................................................................................................. 55
8.8 - Domestic water flow meter replacement procedure
............................................................................................... 56
8.9 - Safety valve replacement procedure ...................................................................................................................... 56
8.10 - Procedure for draining the water heater ............................................................................................................... 57
8.11 - Fan test mode procedure ..................................................................................................................................... 57
8.12 - Gas burner minimum and maximum performance test mode procedure ............................................................. 57
8.13 - Checking the ionisation current ............................................................................................................................ 57
8.14 - Water temperature measurement sensor testing procedures .............................................................................. 57
8.15 - AGUADENS models 16, 22 and 27 electrical connections .................................................................................. 58
8.16 - AGUADENS models 16, 22 and 27 internal multi-core wiring diagram ................................................................ 60
8.17 - AGUADENS model 37 electrical connections ...................................................................................................... 62
8.18 - AGUADENS model 37 multi-core wiring diagram ................................................................................................ 64
9 - TECHNICAL DATA ........................................................................................................................................66
10 - COMMAND MENU DIAGRAM ....................................................................................................................68
11 - ENGINEERS TEST MODE..........................................................................................................................69
12 - CE DECLARATION OF CONFORMITY ......................................................................................................70
13 - WARRANTY ................................................................................................................................................71
13.1 - General warranty conditions ................................................................................................................................ 71
13.2 - Instructions for filling-in the warranty card
............................................................................................................ 71
13.3 - Warranty limitations .............................................................................................................................................. 71
