Viessmann VITOCAL 151-A Installation And Service Instructions Manual page 167

Keyword index
A
Accumulator............................................................. 144
Air discharge.............................................................. 24
Air intake.................................................................... 24
Air intake temperature sensor.......................... 143, 144
Air short circuit........................................................... 22
Alignment................................................................... 39
Ambient temperatures................................................32
Angle of penetration................................................... 33
Anode earth current................................................... 81
Anode tester...............................................................81
Anti-vibration feet................................................. 19, 26
Anti-vibration mounts................................................. 21
Appliance, draining on DHW side.............................. 82
Appliance, starting......................................................68
Appliance fuse, checking................................. 135, 152
Area cooling system...................................................40
Automatic thermostatic mixing valve..........................36
B
Ball valve with filter...................................................149
Bracket for wall mounting...........................................30
Bracket set........................................................... 19, 29
Brazing/soldering work.............................................137
Buffer cylinder.......................................................... 124
Buffer temperature sensor................................. 48, 133
BUS connection................................................... 53, 55
Bypass, heating water buffer cylinder........................ 49
C
Cable length................................................... 42, 62, 63
Cable routing..............................................................45
CAN bus, communication cable................................. 16
CAN bus communication cable.................................. 55
CAN bus system........................................................ 53
Capacitor discharging.............................................. 138
Cellar shaft................................................................. 22
Certificate of competence........................................ 137
Checking
– Fuse.............................................................. 135, 152
– Pressure sensors.......................................... 135, 152
– Sensors......................................................... 133, 150
Checklist, maintenance............................................ 136
Chilled ceiling............................................................. 40
Circulation pump head............................................. 132
Cleaning cylinder........................................................88
Cleaning the DHW cylinder........................................ 88
Coastal siting..............................................................20
Cold water.................................................................. 37
Commissioning.......................................68, 78, 91, 164
Commissioning order............................................... 164
Commissioning report................................................ 68
Communication cable...........................................53, 55
Compressor................................................17, 143, 144
Compressor temperature sensor..................... 143, 144
Condensate................................................................21
Condensate drain...........................................16, 30, 87
– Via soakaway.......................................................... 24
– Via waste water system.......................................... 25
Condenser........................................................143, 144
Connecting cables..........................................28, 29, 30
Connection
– Electric.................................................................... 42
– Electrical components............................................. 42
– Heating water side............................................ 36, 37
– Overview................................................................. 15
– Secondary circuit.....................................................36
Connection, indoor/outdoor unit................................. 55
Connection cables......................................................42
Connection conditions................................................58
Connection error........................................................ 94
Contact humidistat............................................... 40, 48
Contractor
– Contact details........................................................ 93
Cooling water flow......................................................40
Corrosion..................................................................138
Corrosion damage................................................81, 90
Cylinder cleaning........................................................88
Cylinder temperature sensor....................................133
D
Decommissioning.....................................................164
Defrosting...................................................................22
Design casing.............................................................28
DHCP......................................................................... 33
DHW circulation pump............................................... 50
DHW cylinder, flow/return...........................................36
Digital input................................................................ 49
Digital inputs...............................................................49
Dimensions
– Indoor unit............................................. 156, 159, 162
– Outdoor unit.......................................... 156, 159, 162
Disposal facility........................................................ 145
Diverter valve........................................... 142, 143, 144
Domestic hot water.................................................... 37
Drain for condensate..................................................30
Draining....................................................................147
Draining secondary circuit........................................124
Drain valve................................................................. 36
Drinking water filter.................................................... 36
Dynamic IP addressing.............................................. 33
E
Earth connection...................................................... 138
Economy tariff meter.................................................. 64
EHCU......................................................................... 45
EHCU electronics module.......................................... 45
– Removing...................................................... 121, 122
Electrical connection
– Outdoor unit............................................................ 55
– Routing cables........................................................ 45
Electrical connection area.......................................... 55
Electrical connections
– Checking................................................................. 90
– Checking outdoor unit............................................. 90
– Overview....................................................... 121, 136
Electrical terminal areas.............................................43
Electrical terminal areas, opening.............................. 43
Keyword index
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