4.7.2 Example of a wall-mounted condensing gas
boiler .....................................................................17
4.7.3 Example with a floor standing boiler .....................17
4.7.4 Safety unit .............................................................18
4.8 Hydraulic connections .......................................18
4.8.1 Hydraulic connection of the primary circuit (exchanger
circuit) ....................................................................18
4.8.2 Connecting the calorifer to the domestic water circuit
(secondary circuit) .................................................18
5 Commissioning ........................................................................................21
5.1 Protection against legionnella
(Only for the 500 L model) .................................21
5.2 Putting the appliance into operation ................21
5.3 Drinking water quality ........................................22
6 Checking and maintenance .....................................................................23
6.1 General instructions ...........................................23
6.2 Checking the safety valve or unit ......................23
6.3 Cleaning the casing material .............................23
6.4 Checking the magnesium anode .......................23
6.5 Descaling .............................................................24
6.6 Removing and remounting the inspection
hatches ................................................................24
6.6.1 Removing the inspection hatches .........................24
6.6.2 Remounting the inspection hatches ......................25
6.7 Maintenance form ...............................................26
7 Spare parts ................................................................................................27
7.1 General ................................................................27
7.2 Spare parts ..........................................................27
7.2.1 Domestic hot water tanks ......................................28
8 Warranty ....................................................................................................30
8.1 General ................................................................30
8.2 Warranty terms ...................................................30
9 Appendix - Information on the Ecodesign and Energy Labelling
Directives ..................................................................................................31
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18/11/2015 - 7607674-001-04