Viessmann Vitocal 242-S Installation And Service Instructions Manual page 132

Keyword index
Keyword index
(cont.)
Liquid separator............................................. 69, 70, 71
Luster terminals....................................................33, 36
LV leads............................................................... 31, 32
M
Magnesium anode................................................54, 55
– Replacing................................................................ 55
Magnesium anode removal........................................55
Magnesium anode resistance measurement....... 54, 55
Main MCB/fuse, resetting...........................................56
Main PCB............................................................. 33, 34
Mains isolator................................................. 45, 56, 68
Maintenance...............................................................49
Max. lead length...............................................122, 125
Maximum temperature limiter.....................................35
Minimum clearances
– External unit............................................................ 11
– Internal unit............................................................. 15
Minimum flow rate...................................................... 29
Minimum room volume...............................................14
Minimum system pressure......................................... 53
Mixer extension kit..................................................... 36
Modbus distributor......................................................38
Multi connect system....................................................8
N
Non-return valve.............................................30, 53, 67
NTC curve............................................................ 74, 75
O
Off signal.................................................................... 44
Oil lift bend................................................................. 22
Oil lift bends............................................................... 22
ON/OFF switch...........................................................57
On-site connections..................................................... 7
On-site power consumption....................................... 46
Opening for 230 V cables.............................................7
Opening for LV leads....................................................7
Opening internal unit.................................................. 16
Opening programming unit.........................................65
Operating noise..........................................................63
Operating pressure.................................................... 53
Operator's log.......................................................49, 52
Output compressor stage...........................................59
Output data, cooling......................................... 119, 123
Output data, heating.........................................119, 122
Outside temperature sensor.................................37, 72
Overflow valve............................................................29
Overview
– Electrical connections............................................. 65
– Internal components..........................................67, 68
– Pumps............................................................... 67, 68
– Sensors............................................................. 67, 68
– Valves................................................................67, 68
Overview of electrical connections.............................33
132
P
Parameter group selection......................................... 58
Parameters
– Circulation pumps for cylinder heating.................... 60
– DHW circulation pump............................................ 60
– Electric booster heater............................................ 62
– Energy meters.........................................................63
– External extension...................................................60
– External functions....................................................61
– For on-site components.......................................... 59
– Heating circuit pump............................................... 60
– Heat pump...............................................................59
– Instantaneous heating water heater........................62
– Mixer extension kit.................................................. 60
– Photovoltaics...........................................................63
– Power generated on site......................................... 63
– Remote control........................................................60
– Smart Grid...............................................................63
– Solar DHW heating................................................. 61
– Swimming pool water heating................................. 62
– Ventilation................................................................62
– Vitocom 100............................................................ 60
Parameter setting.......................................................58
Parts
– External unit, type AWT/AWT-AC 241.A04............. 90
– External unit, type AWT/AWT-AC 241.A05/A07......94
– External unit, type AWT/AWT-AC 241.A10/A13......97
– External unit, type AWT/AWT-AC 241.B10/B13/
B16........................................................................105
Parts, casing
– External unit, type AWT/AWT-AC 241.A10/A13......98
– External unit, type AWT/AWT-AC 241.B10/B13/
B16........................................................................106
Parts, DHW cylinder
– Internal unit............................................................. 86
Parts, electrical equipment
– External unit, type AWT/AWT-AC 241.A10/A13....100
– External unit, type AWT/AWT-AC 241.B10/B13/
B16........................................................................108
– Internal unit............................................................. 80
Parts, external unit......................................... 89, 93, 97
Parts, hydraulic
– Internal unit............................................................. 82
Parts, hydraulics
– External unit, type AWT/AWT-AC 241.A10/A13....102
– External unit, type AWT/AWT-AC 241.B10/B13/
B16........................................................................ 110
Parts lists, external unit............................................ 105
PCBs.................................................................... 33, 39
Permiss. operating pressure...................... 53, 121, 125
Personal protective equipment...................................51
Photovoltaics..............................................................63
Pipe bends, flaring..................................................... 26
Pipe bends for compensating vibrations.................... 10
Pipe ends, flaring....................................................... 24
Pipe entries................................................................ 21
Pipes, securing...........................................................24
Pipe separator............................................................30
Pipe sleeve...................................................................8