Viessmann VITOCAL 242-S Installation And Service Instructions Manual page 164

Keyword index
Keyword index
Starting sequence for heat pump.......77
Starting the appliance........................77
Starting the heat pump.......................77
Start sequence of the heat pump.......77
Support for floorstanding installa-
tion...............................................10, 14
Swimming pool...................................50
Switching contacts
– Contact humidistat..........................38
Switching module...............................43
System pressure, checking................73
System pressure check......................72
T
Temperature limiter............................45
Temperature sensor.....................96, 97
– Air intake, evaporator (OAT)93, 94, 95
– Compressor head (CTT).....93, 94, 95
– Curve, type NTC 10 kΩ..................97
– Curve, type NTC 20 kΩ..................98
– Curve, type Pt500A........................98
– Curve type NTC 10 kΩ...................99
– Curve type NTC 50 kΩ...................99
– External unit....................................99
– Refrigerant inlet, evaporator
(OCT)..................................93, 94, 95
Temperature sensor, air intake, evapo-
rator....................................................96
Temperature sensor, compressor
head...................................................97
Temperature sensor, evaporator.......96
Temperature sensor, refrigerant inlet,
evaporator..........................................96
Temperature sensors, connecting.....48
Terminating service............................80
Tightness test
– Annual............................................70
– Refrigerant circuit...........................70
– Secondary circuit connections........72
Tilting angle........................................13
164
(cont.)
TNC system.................................59, 61
Top-up water......................................71
Torque
– Refrigerant lines.......................29, 33
– Service valve union nut............69, 70
Total weight........................15, 148, 153
Transport......................................13, 15
Tube clip with EPDM insert................27
Type-dependent heating output.........80
U
Underfloor heating.............................45
Underfloor heating circuit...................45
Union nuts, replacing.........................33
V
Vacuum gauge...................................68
Vacuum meter....................................68
Vacuum pump....................................68
Ventilation..........................................85
Venting...............................................71
– Solar circuit.....................................73
Vibration isolation.........................10, 27
Vitocom..............................................83
W
Wall mounting
– Bracket set......................................15
– External unit....................................15
Warranty............................................78
Water quality......................................71
Weatherproofing................................10
Weight................................................11
– External unit..........................148, 153
– Internal unit...........................148, 153
Well circuit..........................................47
Wind direction....................................10
Wind loads.........................................10
Working on the refrigerant circuit.......71