Vaillant ecoTEC exclusive 627 Installation And Maintenance Instructions Manual page 64

PCB or display, replacing .................................................... 40
Power supply....................................................................... 21
Pre-charge pressure for the internal expansion vessel,
checking .............................................................................. 36
Preparing, maintenance work.............................................. 34
Preparing, repair work ......................................................... 38
Product dimensions............................................................. 11
Product, draining ................................................................. 36
Product, switching off .......................................................... 41
Propane............................................................................... 17
Pump output, setting ........................................................... 32
Pump, remaining feed head ................................................ 32
Purging ................................................................................ 27
R
Regulations ........................................................................... 6
Remaining feed head, pump ............................................... 32
Removing, compact thermal module................................... 34
Removing, front casing........................................................ 16
Removing, side section ....................................................... 16
Repair work, completing...................................................... 41
Repair work, preparing .................................................. 34, 38
Replacing the burner ........................................................... 38
Replacing, all-gas sensor .................................................... 41
Replacing, expansion vessel............................................... 40
Replacing, fan ..................................................................... 39
Replacing, gas family coding resistor.................................. 22
Replacing, gas valve assembly ........................................... 38
Replacing, heat exchanger.................................................. 39
Replacing, PCB and display................................................ 40
Replacing, PCB or display................................................... 40
Replacing, unit connection piece for the air/flue pipe.......... 20
Resetting, burner anti-cycling time ...................................... 31
S
Safety devices ..................................................................... 10
Scope of delivery................................................................. 11
Self-test ......................................................................... 34, 55
Serial number .................................................................. 9–10
Service message................................................................. 37
Setting, bypass valve .......................................................... 32
Setting, gas type.................................................................. 25
Setting, liquid gas ................................................................ 25
Side section, installing......................................................... 16
Side section, removing ........................................................ 16
Spare parts.......................................................................... 38
Status codes.................................................................. 23, 50
Switching off, product .......................................................... 41
Switching on/off ................................................................... 24
T
Target feed temperature...................................................... 24
Technical data ....................................................................... 8
Telephone number, competent person ............................... 25
Test programmes .......................................................... 25, 55
Treating the heating water................................................... 25
U
Unit connection piece for the air/flue pipe, 80/125 mm
diameter .............................................................................. 21
Unit connection piece for the air/flue pipe, replacing .......... 20
V
Validity of the instructions...................................................... 9
W
Weight ................................................................................. 15
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Installation and maintenance instructions ecoTEC exclusive 0020193966_04