Viessmann VITOCAL 222-S Installation And Service Instructions Manual page 140

Keyword index
Keyword index
Service menu
■ Calling up........................................84
■ Disabling.........................................84
■ Enabling..........................................83
Service valve
■ External unit........................69, 70, 72
■ Internal unit.....................................92
Setting parameters.............................84
Short circuit between magnesium anode
and indirect coil............................78, 79
Side cover
■ External unit....................................65
Side panels........................................31
Siting
■ Between walls.................................19
■ Conditions.......................................19
■ External unit....................................22
■ Freestanding...................................19
■ In recesses.....................................19
■ Internal unit.....................................23
Sound insulation................................23
Sound insulation mat
■ For casing door...............................65
Sound power....................................130
Specification.....................................126
Standard tariff....................................60
Start sequence, heat pump................81
Supplementary heating facility...........20
Support for floor mounting.................22
Supports for floor mounting................19
Switching contacts
■ Contact humidistat..........................44
Switching on appliance......................81
System example................................11
System examples
■ Key.................................................11
System flow temperature sensor. 13, 55
■ Curve..............................................97
System pressure, checking................76
System scheme, setting.....................11
System schemes
■ Overview...........................................9
140
(cont.)
T
Temperature limiter......................13, 52
Temperature sensor
■ Compressor head (CTT).....94, 95, 96
■ Evaporator (OMT)...............94, 95, 96
■ Evaporator air intake (OAT)94, 95, 96
■ Evaporator refrigerant inlet
(OCT)..................................94, 95, 96
■ NTC curve................................98, 99
Temperature sensor, evaporator air
intake
■ Curve..............................................97
Temperature sensor, liquid gas.........92
Temperature sensors, connecting.....55
Temperature sensor type Ni 500
■ Curve..............................................98
Temperature sensor type Pt 500
■ Curve..............................................98
Terminating service............................84
Tightness test.....................................66
■ Annual............................................73
■ Refrigerant circuit...........................73
■ Secondary circuit connections........75
Tilt angle............................................18
TNC system.................................63, 65
Torque
■ For refrigerant lines..................36, 40
■ Service valve union nut..................72
Total sound power level...................130
Total weight........................................23
Transport......................................18, 23
U
Underfloor heating.............................52
Underfloor heating circuit.............13, 52
Union nuts, replacing.........................40
V
Vacuum gauge...................................71
Vacuum pump....................................71
Venting
■ Secondary circuit............................74
Vibration insulation.............................20
97