Viessmann Vitocal 200-S Installation And Service Instructions Manual page 122

Keyword index
Keyword index
(cont.)
H
Heat exchanger cleaning........................................... 49
Heating circuit pump............................................ 25, 54
Heating output, compressor....................................... 53
Heating water buffer cylinder bypass......................... 25
Heating water flow.................................. 8, 21, 113, 117
Heating water return............................... 8, 21, 113, 117
Heat pump, checking for noise...................................59
Heat pump, closing.............................................. 41, 50
Heat pump, opening...................................................44
Heat pump, starting....................................................50
Heat pump cascade................................................... 58
– Minimum clearances............................................... 12
– Power-OFF signal connection.................................39
Heat pump control unit power cable.............................8
Heat pump type, ticking..............................................59
Height differential, internal unit-external unit.............. 16
High limit safety cut-out..............................................62
High limit safety cut-out reset.....................................59
High pressure fault..................................................... 11
High pressure switch............................................63, 64
Hot gas line.............................................7, 45, 113, 117
– External unit............................................................ 19
– Internal unit............................................................. 20
Hydraulic parameters............................................... 104
I
Immersion heater................................................. 28, 56
Inspection...................................................................44
Installation.................................................................. 12
– External unit............................................................ 10
– Internal unit............................................................. 14
Installation, external unit
– Bracket set for wall mounting.................................. 10
– Supports for floorstanding installation..................... 10
Installation information............................................... 10
Installation site, external unit...................................... 11
Installation site requirements
– Internal unit............................................................. 14
Instantaneous heating water heater...............25, 56, 62
– High limit safety cut-out reset..................................59
– Power cable.............................................................. 8
– Power supply...........................................................37
– Specification.................................................. 112, 115
Instructing the system user........................................ 59
Intended use................................................................ 5
Interface internal unit – external unit.......................... 33
Interface PCB.............................................................33
Internal/external unit connecting cable.......................33
Internal components...................................................62
122
Internal unit
– Cable lengths............................................................ 8
– Closing.................................................................... 42
– Dimensions................................................ 7, 113, 116
– Electrical connection............................................... 24
– Electrical values.............................................112, 115
– Installation............................................................... 14
– Internal components................................................62
– Power supply for instantaneous heating water
heater...................................................................... 37
– Refrigerant lines...................................................... 19
– Siting....................................................................... 14
– Transport................................................................. 14
– Wall mounting..........................................................15
– Weight............................................................113, 116
Internal unit, purging.................................................. 44
Isolators......................................................................34
K
KM BUS distributor.....................................................31
L
Lag heat pump........................................................... 39
Layout
– Heat pump cascade................................................ 12
Lead heat pump......................................................... 39
Leak detection spray.................................................. 45
Lightning protection....................................................10
Line entry................................................................... 17
Line length
– Refrigerant lines................................................ 16, 46
Liquid gas temperature sensor.............................62, 66
Liquid line................................................7, 45, 113, 117
– External unit............................................................ 19
– Internal unit............................................................. 20
Liquid separator............................................. 63, 64, 65
LON communication module......................................31
LV leads......................................................................22
M
Main MCB/fuse, resetting...........................................50
Mains isolator................................................. 39, 50, 62
Maintenance...............................................................44
Max. lead length............................................... 113, 117
Maximum temperature limiter.....................................26
Minimum clearances
– External unit............................................................ 11
– Heat pump cascade................................................ 12
– Internal unit............................................................. 14
Minimum room volume...............................................14
Mixer extension kit..................................................... 26
Modbus distributor......................................................31
N
NTC curve............................................................ 68, 69
O
Oil lift bends......................................................... 15, 16
ON/OFF switch...........................................................51
On-site connections..................................................... 7