Viessmann VITOCAL 151-A Installation And Service Instructions Manual page 169

Keyword index
(cont.)
Instantaneous heating water heater...........13, 124, 127
– Power cable............................................................ 42
– Power supply...........................................................60
– Resetting the high limit safety cut-out..................... 90
– Specification..........................................155, 158, 161
Instructing system user.............................................. 93
Integral DHW cylinder.............................. 156, 159, 162
Intended use.............................................................. 12
Internal components.........................................124, 141
Internet, connecting....................................................72
Inverter............................................................. 143, 144
Inverter temperature sensor.............................143, 144
IP addressing............................................................. 33
Isolators......................................................................58
L
Leak detection..........................................................140
Leak detection devices.............................................139
Leak detection processes........................................ 140
Leak test...................................................................125
– Refrigerant circuit.................................................... 83
Lightning protection....................................................21
Likelihood of corrosion............................................... 20
Liquid gas temperature sensor.................142, 143, 144
Liquid leak detectors................................................ 140
Low pressure sensor................................................144
M
Main MCB/fuse, switching on.....................................68
Mains isolator............................................... 64, 90, 141
Maintenance.................................................78, 91, 136
Maintenance personnel............................................137
Maintenance position................................................. 44
Max. connection line length......................156, 159, 163
Max. tilting angle........................................................ 17
Message history......................................................... 95
Messages
– Acknowledging........................................................ 94
– Calling up................................................................ 94
– Display.................................................................... 94
Minimum clearances
– Indoor unit............................................................... 34
– Outdoor unit............................................................ 24
Minimum room height.................................................34
N
Non-return valve.........................................................36
No smoking signs.....................................................137
O
Off signal.................................................................... 64
ON/OFF switch, relocating......................................... 35
On-site connections................................................... 15
Operating noise..........................................................92
Operational reliability..................................................32
Operation without outdoor unit................................... 40
Outdoor unit
– Cable lengths.......................................................... 42
– Cleaning.................................................................. 86
– Dimensions..................................... 16, 156, 159, 162
– Electrical connections, checking............................. 90
– Electrical values.................................... 154, 158, 161
– Floorstanding installation with support.............. 28, 29
– Installation............................................................... 17
– Installing on foundations......................................... 29
– Internal components..............................................141
– Power supply.....................................................61, 62
– Wall mounting..........................................................29
– Wall mounting with bracket..................................... 30
– Weight..................................................................... 21
Outdoor unit floorstanding installation..................28, 29
Outdoor unit installation
– Supports for floorstanding installation..................... 19
Outdoor unit installation location................................ 21
Outside temperature sensor...............................48, 133
Overview
– Electrical connections................................... 121, 136
– Electrical terminal areas..........................................43
– Internal components......................................124, 141
– Pumps........................................................... 124, 141
– Sensors......................................................... 124, 141
– Valves............................................................124, 141
Oxygen-free nitrogen....................................... 140, 145
P
Performance data, heating.......................154, 157, 160
Personal protective equipment.................................145
Pipe separator............................................................36
Platform for unfinished floors..................................... 34
Port 123......................................................................33
Port 443......................................................................33
Port 80........................................................................33
Port 8883....................................................................33
Power cable......................................................... 16, 42
– Heat pump control unit............................................ 59
– Indoor unit............................................................... 42
– Outdoor unit............................................................ 42
Power circuits.............................................................58
Power consumption..................................155, 158, 161
Power-OFF...........................................................42, 50
– With on-site load disconnect................................... 64
– Without on-site load disconnect.............................. 63
Power-OFF signal...................................................... 50
Power supply
– Compressor.......................................................61, 62
– General information.................................................58
– Heat pump control unit...................................... 59, 64
– Instantaneous heating water heater........................60
– Outdoor unit...................................................... 61, 62
Premium tariff meter...................................................64
Pressure gauge connection....................................... 36
Pressure points.......................................................... 35
Pressure reducer........................................................36
Pressure resistance
– Testing...........................................................140, 146
Pressure sensor............................................... 124, 131
Keyword index
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