Viessmann VITOCAL 222-S Installation And Service Instructions Manual page 143

Keyword index
Connection values
■ 230 V~ function components..........50
■ Circulation pumps.....................50, 53
■ Function components 230 V~.........53
Contact humidistat.......................13, 45
Contact humidistat, connecting..........55
Contact thermostat.............................13
Controller and sensor PCB..........50, 55
Control parameter reports................128
Cooling...............................................51
Cooling circuit
■ Specification.................................137
Cooling control...................................51
Cooling function.................................13
Cooling water flow..............................45
Copper seal ring.................................40
Corrosion damage.......................81, 82
Cover of external unit, fitting..............68
Curve
■ NTC temperature sensors............105
■ Temperature sensor type NTC 10 kil-
ohm...............................................104
■ Temperature sensor type Pt 500A104
Curves of the sensors......................103
Cylinder
■ Drain & fill valve..............................99
■ Specification.................................138
Cylinder, cleaning..............................80
Cylinder assembly
■ Internal unit...................................115
Cylinder drain & fill valve....................98
Cylinder module, fitting......................31
Cylinder module removal...................25
D
Daily log.............................................71
Data.................................................135
Declaration of Conformity................141
Defrosting...........................................18
Designations for system examples....11
DHW circulation connection.........8, 139
DHW circulation pump.................44, 88
DHW connection......................7, 8, 139
(cont.)
Diaphragm grommet....................31, 43
Dimensions..........................................7
■ External unit..................................138
■ Internal unit...................................138
Directives for work on the refrigerant cir-
cuit.....................................................76
Diverter valve.............13, 100, 101, 102
Door, opening....................................41
Drain & fill valve.................................99
Drain & fill valve, secondary circuit....98
Draining secondary circuit................103
Drain valve.........................................44
Drinking water filter............................44
E
Economy tariff........................62, 63, 64
Economy tariff meter....................65, 67
Electrical connection
■ Circulation pumps.....................50, 53
■ External unit....................................59
■ Temperature sensors.....................55
Electrical connections, overview........95
Electrical equipment assembly
■ External unit type AWT-AC 221.A10
and A13........................................124
■ Internal unit...................................111
Electrical installation scheme.............14
Electrical power consumption..........137
Electrical values
■ External unit..................................136
■ Internal unit...................................137
Electric booster heater.......................91
Electric cable routing..........................47
Electricity meter
■ For economy tariff.....................65, 67
■ For high tariff............................65, 66
Electronic expansion valve100, 101, 102
Energy meter.....................................93
Evacuation
■ Refrigerant circuit...........................72
Evaporator.......................100, 101, 102
Expansion PCB............................50, 53
Keyword index
143