Viessmann VITOCAL 151-A Installation And Service Instructions Manual page 170

Keyword index
Keyword index
(cont.)
Pressure sensors, checking............................. 135, 152
Product information.................................................... 13
Programming unit.....................................................121
Programming unit, fitting............................................ 57
Programming unit, opening...................................... 121
Protective anode, testing............................................80
Protective equipment............................................... 145
Protective gloves........................................................84
Protective magnesium anode...............................81, 90
– Removing................................................................ 81
– Replacing................................................................ 81
– Resistance.............................................................. 81
– Short circuit............................................................. 81
Pumps.............................................................. 124, 141
Q
Quick action air vent valve....................................... 142
Quick-action air vent valve....................................... 148
R
Range of WiFi connections........................................ 33
RCD........................................................................... 64
Recommended power cables.....................................42
Recycling bottles...................................................... 145
Refrigerant
– Extracting...................................................... 140, 145
Refrigerant bottle..............................................145, 146
Refrigerant charge................................................... 138
Refrigerant circuit............................... 13, 155, 159, 162
– Filling.............................................................140, 146
– Testing.....................................................................83
Refrigerant collector......................................... 143, 144
Refrigerant detector................................. 137, 139, 147
Refrigerant detectors........................................139, 140
Removing
– EHCU electronics module............................. 121, 122
– Programming unit..................................................121
Repairs.....................................................................139
Repair work.......................................................... 78, 91
Replacing protective magnesium anode.................... 81
Reports.....................................................................153
Reports, compiling..................................................... 68
Requirements.............................................................32
Requirements for installation location
– Outdoor unit............................................................ 21
Reset button...............................................................90
Residual current device..............................................58
Resistance, protective magnesium anode................. 90
Return
– DHW cylinder.......................................................... 15
– Outdoor unit...................................................... 15, 16
– Secondary circuit.....................................................15
Return, DHW cylinder.............................. 156, 159, 163
Return, DHW cylinder/heating water..........................36
Return, outdoor unit................................................... 37
Return temperature sensor.............................. 124, 133
Ripple control receiver............................................... 64
Room height.........................................................32, 34
Room temperature sensor....................................... 133
Routing cables........................................................... 45
170
S
Safety check.............................................................138
Safety goggles........................................................... 84
Safety valve................................................36, 124, 145
Safety zone................................................ 22, 110, 145
Sealed enclosures....................................................139
Seal rings, replacing.....................................77, 83, 125
Secondary circuit
– Connection.............................................................. 36
– Draining.................................................................124
Security parameters................................................... 33
Self-consumption................................................. 58, 65
Sensor curves.................................................. 133, 150
Sensors............................................ 124, 133, 141, 150
Service messages.................................................... 117
Servicing work..........................................................137
Short circuit, magnesium anode:indirect coil..............90
Shutdown................................................................. 140
Shut-off valve........................................................... 145
Siting.................................................................... 17, 20
– Between walls......................................................... 22
– Indoor unit............................................................... 32
– In recesses..............................................................22
Smart Grid..................................................................50
Sound power............................................ 156, 160, 163
Sound propagation.....................................................22
Sound reflections....................................................... 22
Specification.............................................................154
Starting appliance...................................................... 68
Start sequence, appliance..........................................68
Static vacuum test....................................................145
Status messages...................................................... 117
Subscriber number of connected component............ 95
Suction equipment................................................... 145
Suction gas temperature sensor...................... 143, 144
Support.......................................................................25
Support for floorstanding installation..........................19
Switching contact....................................................... 40
System filling........................................................ 74, 80
System pressure........................................................ 80
System requirements................................................. 32
System user instruction..............................................93
T
Temperature limiter.................................................... 39
Temperature limiter for floor heating circuits.............. 51
Temperature sensor................................. 130, 133, 150
– Air intake, evaporator............................................ 142
– Hot gas..................................................142, 143, 144
– Suction gas........................................................... 142
Terminal areas, opening.............................................43
Testing
– Refrigerant circuit.................................................... 83
Thermostatic mixing valve, automatic........................ 36
Tightness test....................................................... 77, 83
Tilting angle................................................................ 17
TNC system............................................................... 64
Top-up water........................................................ 74, 76
Torque...................................................................... 125
Torque settings.........................................................125