Vaillant ecoTEC plus 938 - Index

68 Installation and maintenance instructions ecoTEC plus 0020244998_04
Index
A
Air ratio setting .................................................................... 33
Air/flue pipe ......................................................................... 23
Air/flue pipe, horizontal wall duct......................................... 16
Air/flue pipe, type C13 ......................................................... 16
Air/flue pipe, type C33 ......................................................... 16
Air/flue pipe, vertical roof duct ............................................. 16
Article number ................................................................. 9–10
Automatic air vent................................................................ 31
Auxiliary relay ...................................................................... 28
B
Burner anti-cycling time....................................................... 35
Burner anti-cycling time, resetting ....................................... 35
Burner anti-cycling time, setting .......................................... 35
Burner, checking ................................................................. 38
Burner, replacing ................................................................. 41
Bypass valve, setting........................................................... 36
C
CE marking............................................................................ 9
Chamber aeration................................................................ 13
Check programmes ....................................................... 28–29
Circulation pump ................................................................. 26
CO₂ content, checking......................................................... 33
CO₂ content, setting ............................................................ 33
Cold water connection......................................................... 19
Cold water inlet strainer, cleaning ....................................... 39
Comfort mode...................................................................... 28
Comfort protection mode..................................................... 41
Compact thermal module ...................................................... 6
Compact thermal module, installing .................................... 39
Compact thermal module, removing ................................... 37
Component test ................................................................... 37
Condensate discharge pipe................................................. 20
Condensate siphon ....................................................... 30, 39
Condensate trap............................................................ 30, 39
Connection dimensions ....................................................... 12
Contact details..................................................................... 28
Control, connecting ............................................................. 25
Corrugated gas pipe.............................................................. 6
D
Decommissioning................................................................ 47
Decommissioning, temporarily ............................................ 47
Diagnostics codes, calling up.............................................. 35
Discharge pipe, expansion relief valve................................ 22
Disposal, packaging ............................................................ 47
Disposing of the packaging ................................................. 47
Documents ............................................................................ 9
E
Electronics box, closing....................................................... 24
Electronics box, opening ..................................................... 24
Electronics self-test ............................................................. 37
F
Fan, replacing...................................................................... 42
Fault codes.......................................................................... 41
Fault memory, calling up ..................................................... 41
Fault memory, deleting........................................................ 41
Fault messages ................................................................... 41
Filling ................................................................................... 31
Filling mode ......................................................................... 28
Flexible hose, expansion relief valve on the shift-load
cylinder ................................................................................ 23
Frost protection ................................................................... 11
Function menu............................................................... 37, 60
G
Gas conversion ................................................................... 31
Gas Council Number ............................................................. 9
Gas family check, performing.............................................. 29
Gas flow rate ....................................................................... 32
Gas group............................................................................ 19
Gas injector ......................................................................... 43
Gas setting .......................................................................... 31
Gas type .............................................................................. 19
Gas valve assembly ............................................................ 42
Gas valve assembly, replacing............................................ 42
Guarantee and Customer Service......................................... 7
H
Handing over to the end user.............................................. 36
Heat exchanger, cleaning.................................................... 38
Heat exchanger, replacing .................................................. 44
Heating flow......................................................................... 20
Heating partial load ............................................................. 28
Heating return...................................................................... 20
Hot water connection........................................................... 19
Hot water temperature......................................................... 28
I
Identification plate ............................................................... 10
Impeller sensor.................................................................... 10
Inspection work, carrying out............................................... 37
Inspection work, completing................................................ 40
Installation assistant, ending ............................................... 28
Installation assistants, restarting ......................................... 28
Installer level, calling up ...................................................... 27
Intended use.......................................................................... 4
Internal expansion vessel on the heat generator,
replacing.............................................................................. 44
Isolators............................................................................... 47
L
Language ............................................................................ 28
Leak detection spray ............................................................. 6
Leak-tightness ......................................................... 34, 40, 47
Liquid gas ........................................................................ 6, 19
M
Maintenance interval, setting............................................... 35
Maintenance work, carrying out .......................................... 37
Maintenance work, completing............................................ 40
Manometer .......................................................................... 11
Mass flow sensor, replacing................................................ 43
Minimum clearance ............................................................. 13
Multi-functional module ....................................................... 28
O
Operating concept ............................................................... 27
Overheating protection ........................................................ 11
P
PCB and display for the heat generator, replacing ............. 46
PCB or display for the heat generator, replacing ................ 46
Power supply....................................................................... 25
Pre-charge pressure for the internal expansion vessel on
the heat generator, checking............................................... 39
Pre-charge pressure for the shift-load cylinder expansion
vessel, checking ................................................................. 40
Preparing, maintenance work.............................................. 37
Preparing, repair work ......................................................... 41
Product dimensions............................................................. 12
Product, draining ................................................................. 39
Product, switching off .......................................................... 47
Pump output, setting ........................................................... 35