2 Installation and maintenance instructions 0020244997_07
Installation and maintenance
instructions
Contents
1 Safety .................................................................... 4
1.1 Intended use.......................................................... 4
1.2 Qualification........................................................... 4
1.3 General safety information .................................... 4
1.4 Regulations (directives, laws, standards) .............. 6
1.5 List of relevant standards for Great Britain and
Ireland.................................................................... 6
2 Guarantee and Customer Service...................... 7
3 Technical data...................................................... 8
4 Notes on the documentation ............................ 15
5 Product description........................................... 15
5.1 CE marking.......................................................... 15
5.2 Energy Saving Trust Endorsed Products ............ 15
5.3 Hot Water Association ......................................... 15
5.4 Information on the identification plate.................. 15
5.5 Serial number ...................................................... 16
5.6 Product design..................................................... 16
5.7 Safety Devices..................................................... 17
6 Set-up.................................................................. 18
6.1 Checking the scope of delivery............................ 18
6.2 Dimensions.......................................................... 18
6.3 Installation site..................................................... 19
6.4 Minimum clearances............................................ 19
6.5 Compartment Ventilation ..................................... 19
6.6 Air/flue pipe.......................................................... 19
6.7 Using the installation template............................. 22
6.8 Wall-mounting the product................................... 22
6.9 Removing/installing the front casing.................... 23
6.10 Removing/installing the side section ................... 23
7 Installation.......................................................... 24
7.1 Installation requirements ..................................... 24
7.2 Preparing for installation...................................... 24
7.3 Descaling the water ............................................. 24
7.4 Installing the gas connection ............................... 24
7.5 Checking the gas line for leak-tightness.............. 25
7.6 Installing the hot and cold water connection........ 25
7.7 Connecting the domestic hot water cylinder........ 25
7.8 Connecting the heating flow and heating
return ................................................................... 25
7.9 Installing the drain pipe on the expansion relief
valve .................................................................... 25
7.10 Connecting the condensate discharge pipe ........ 25
7.11 Flue installation.................................................... 28
7.12 Electrical installation ............................................ 28
8 Operation............................................................ 31
8.1 Operating concept ............................................... 31
8.2 Calling up the installer level................................. 31
8.3 Live Monitor (status codes) ................................. 31
8.4 Setting the hot water temperature ....................... 31
9 Start-up ............................................................... 32
9.1 Carrying out the initial start-up............................. 32
9.2 Switching the product on and off ......................... 32
9.3 Running the installation assistants ...................... 32
9.4 Restarting the installation assistants ................... 32
9.5 Test programmes................................................. 32
9.6 Performing a gas family check ............................ 33
9.7 Using check programmes.................................... 33
9.8 Checking and treating the heating water/filling
and supplementary water .................................... 33
9.9 Filling the condensate trap .................................. 34
9.10 Preventing low water pressure ............................ 34
9.11 Flushing the heating installation for the first
time ("cold") ......................................................... 34
9.12 Filling the heating installation .............................. 35
9.13 Purging the heating installation ........................... 35
9.14 Filling and purging the hot water system ............. 36
9.15 Gas inspection..................................................... 36
9.16 Thoroughly flushing the heating installation
("hot")................................................................... 38
9.17 Checking leak-tightness ...................................... 38
10 Adapting the unit to the heating
installation.......................................................... 39
10.1 Burner anti-cycling time ....................................... 39
10.2 Setting the maintenance interval ......................... 39
10.3 Setting the pump output....................................... 40
10.4 Setting the bypass valve...................................... 40
11 Handing over to the end user........................... 41
12 Inspection and maintenance ............................ 42
12.1 Complete Service Interval Record section .......... 42
12.2 Using original seals.............................................. 42
12.3 Inspection and maintenance................................ 42
12.4 Preparing the maintenance work......................... 42
12.5 Function menu..................................................... 42
12.6 Electronics self-test.............................................. 42
12.7 Checking the electrical plug connections ............ 42
12.8 Removing the compact thermal module .............. 42
12.9 Cleaning the heat exchanger............................... 43
12.10 Checking the burner ............................................ 43
12.11 Cleaning the condensate trap.............................. 44
12.12 Cleaning the strainer in the cold water inlet......... 44
12.13 Installing the compact thermal module ................ 44
12.14 Draining the product ............................................ 44
12.15 Checking the pre-charge pressure for the
internal expansion vessel .................................... 44
12.16 Checking the filling pressure of the heating
installation............................................................ 45
12.17 Checking the quality of the heating water............ 45
12.18 Completing inspection and maintenance work .... 45
12.19 Checking the product for leak-tightness .............. 45
13 Troubleshooting ................................................ 45
13.1 Checking service messages................................ 45
13.2 Eliminating faults.................................................. 45
13.3 Calling up and clearing the fault memory ............ 45
13.4 Resetting parameters to factory settings ............. 45
13.5 Preparing the repair work .................................... 45
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