Vaillant ecoCOMPACT VCC4 Series, Installation And Maintenance Instructions Manual

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Contents
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Installation and maintenance instructions ecoCOMPACT 0020181421_04
Contents
1 Safety .................................................................... 4
1.1 Action-related warnings ......................................... 4
1.2 Intended use .......................................................... 4
1.3 General safety information .................................... 4
1.4 Regulations (directives, laws, standards) .............. 6
2 Notes on the documentation .............................. 7
2.1 Observing other applicable documents ................. 7
2.2 Storing documents................................................. 7
2.3 Validity of the instructions...................................... 7
3 Product description............................................. 7
3.1 Serial number ........................................................ 7
3.2 Information on the data plate................................. 7
3.3 CE label ................................................................. 7
3.4 ÖVGW symbol ....................................................... 8
3.5 DVGW mark........................................................... 8
3.6 Functional elements............................................... 8
3.7 Functional elements............................................... 8
4 Set-up.................................................................... 9
4.1 Unpacking the product........................................... 9
4.2 Checking the scope of delivery.............................. 9
4.3 Unit dimensions ..................................................... 9
4.4 Minimum clearances............................................ 10
4.5 Clearance from combustible components ........... 10
4.6 Unit dimensions for transport............................... 10
4.7 Transporting the unit............................................ 10
4.8 Unit installation site.............................................. 11
4.9 Setting up the unit horizontally ............................ 12
4.10 Removing/installing the front casing.................... 12
4.11 Installing/removing the side casing...................... 12
4.12 Moving the electronics box into the lower or
upper position ...................................................... 12
4.13 Removing/installing the vacuum chamber's
front panel............................................................ 13
5 Installation.......................................................... 13
5.1 Information on liquid gas operation ..................... 13
5.2 Checking the gas meter....................................... 13
5.3 Gas and water connections ................................. 13
5.4 Connecting the condensate discharge pipe ........ 14
5.5 Air/flue system ..................................................... 15
5.6 Electrical installation ............................................ 15
6 Operation............................................................ 18
6.1 Operating concept of the product ........................ 18
6.2 Live Monitor (status codes) ................................. 18
6.3 Test programmes................................................. 18
7 Start-up ............................................................... 18
7.1 Auxiliary service equipment................................. 18
7.2 Checking the factory setting ................................ 19
7.3 Filling the condensate siphon .............................. 19
7.4 Switching on the product ..................................... 19
7.5 Running the installation assistants ...................... 19
7.6 Restarting the installation assistants ................... 20
7.7 Calling up appliance config. and diagnostics
menu.................................................................... 20
7.8 Performing a gas family check ............................ 20
7.9 Using check programmes.................................... 22
7.10 Checking and treating the heating water/filling
and supplementary water .................................... 22
7.11 Reading off the filling pressure ............................ 23
7.12 Preventing low water pressure ............................ 23
7.13 Filling and purging the heating installation .......... 24
7.14 Filling and purging the domestic hot water
system ................................................................. 24
7.15 Checking and adjusting the gas settings ............. 24
7.16 Checking leak-tightness ...................................... 26
8 Adapting the unit to the heating
installation.......................................................... 27
8.1 Calling up diagnostics codes ............................... 27
8.2 Setting the maximum heating output ................... 27
8.3 Setting the pump overrun and pump operating
mode.................................................................... 27
8.4 Setting the maximum flow temperature ............... 27
8.5 Setting the return flow temperature control ......... 27
8.6 Burner anti-cycling time ....................................... 27
8.7 Setting the maintenance interval ......................... 28
8.8 Setting the pump output....................................... 28
8.9 Setting the domestic hot water temperature........ 31
8.10 Descaling the water ............................................. 31
8.11 Handing the product over to the end user ........... 31
9 Inspection and maintenance ............................ 32
9.1 Observing inspection and maintenance
intervals ............................................................... 32
9.2 Procuring spare parts .......................................... 32
9.3 Using the function menu...................................... 32
9.4 Carrying out electronics self-tests ....................... 32
9.5 Removing the compact thermal module .............. 32
9.6 Cleaning the heat exchanger............................... 33
9.7 Checking the burner ............................................ 34
9.8 Cleaning the condensate siphon ......................... 34
9.9 Installing the compact thermal module ................ 34
9.10 Draining ............................................................... 34
9.11 Checking the pre-charge pressure of the
expansion vessel ................................................. 35
9.12 Checking the magnesium protection anode ........ 35
9.13 Cleaning the domestic hot water cylinder............ 35
9.14 Cleaning the heating filter.................................... 36
9.15 Inspection and maintenance................................ 36
10 Troubleshooting ................................................ 36
10.1 Contacting your service partner........................... 36
10.2 Calling up service messages............................... 36
10.3 Reading off the fault codes.................................. 36
10.4 Querying the fault list ........................................... 36
10.5 Resetting the fault memory.................................. 37
10.6 Performing diagnostics ........................................ 37
10.7 Using check programmes.................................... 37
10.8 Resetting parameters to factory settings ............. 37