Viessmann Vitocal 252-A Series - Page 207

207
Installation
– Outdoor unit............................................................ 23
Installation, outdoor unit
– Bracket set for wall mounting.................................. 27
Installation information............................................... 26
Installation location requirements
– Indoor unit............................................................... 46
Instantaneous heating water heater...14, 140, 141, 144
– Power cable............................................................ 61
– Power supply...........................................................89
– Resetting the high limit safety cut-out................... 125
– Specification..........................................188, 193, 198
Instructing system user............................................ 127
Integral DHW cylinder.............................. 189, 194, 199
Intended use.............................................................. 13
Interior temperature sensor..............................175, 176
Internal components.........................................140, 170
Internet connection...............................................97, 99
Inverter............................................................. 175, 176
IP addressing............................................................. 47
Isolators......................................................................87
L
Leak detection..........................................................169
Leak detection devices.............................................168
Leak detection processes........................................ 169
Leak test...................................................................142
– Refrigerant circuit.................................................. 117
Lightning protection....................................................28
Likelihood of corrosion............................................... 28
Liquid gas temperature............................................ 131
Liquid gas temperature sensor.171, 172, 174, 175, 176
Liquid leak detectors................................................ 169
Low pressure sensor........................................175, 176
M
Main fuse, switching on..............................................97
Mains isolator................................................... 124, 170
Main switch.............................................................. 124
Maintenance.............................................112, 125, 165
Maintenance personnel............................................166
Maintenance position................................................. 65
Manual setting of maximum flow rate.......................125
Max. connection line length......................190, 195, 200
Max. tilting angle.................................................. 23, 26
Messages
– Acknowledging...................................................... 135
– Calling up.............................................................. 135
– Display.................................................................. 135
Minimum clearances
– Indoor unit............................................................... 48
– Outdoor unit............................................................ 32
Minimum room height.................................................49
N
Non-return valve.........................................................54
No smoking signs.....................................................166
O
ON/OFF switch, relocating......................................... 63
On-site connections................................................... 18
Operating data, calling up........................................ 130
Operating noise........................................................126
Operating states, checking.......................................130
Operational reliability..................................................47
Operation without outdoor unit................................... 58
Outdoor unit
– Cable lengths.......................................................... 61
– Cleaning................................................................ 120
– Dimensions......................... 20, 21, 22, 190, 194, 199
– Electrical connections, checking........................... 124
– Electrical values.................................... 188, 193, 198
– Floorstanding installation with support........ 37, 38, 40
– Installation............................................................... 23
– Internal components..............................................170
– Power supply...........................................................92
– Wall mounting..........................................................41
– Wall mounting with bracket..................................... 41
Outdoor unit flow.................................................. 55, 56
Outdoor unit installation
– Supports for floorstanding installation..................... 27
Outdoor unit installation location................................ 29
Outdoor unit return............................................... 55, 56
Outside temperature sensor...............................70, 151
Overview
– Electrical connections................................... 137, 163
– Electrical terminal areas..........................................64
– Internal components......................................140, 170
– Pumps........................................................... 140, 170
– Sensors......................................................... 140, 170
– Valves............................................................140, 170
Oxygen-free nitrogen............................................... 169
P
Passwords
– Changing...............................................................128
– Resetting............................................................... 129
Performance data, heating.......................186, 191, 196
Personal protective equipment.................................177
Pipe separator............................................................54
Platform for unfinished floors..................................... 49
Port 123......................................................................47
Port 443......................................................................47
Port 80........................................................................47
Port 8883....................................................................47
Power cable............................................. 20, 21, 22, 61
– Indoor unit............................................................... 61
– Outdoor unit............................................................ 61
Power circuits.............................................................87
Power consumption..................................188, 193, 198
Power-OFF...........................................................61, 73
– Without on-site load disconnect.............................. 93
Power-OFF signal...................................................... 73
Keyword index
Keyword index (cont.)
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