Viessmann VITOCAL 222-S Installation And Service Instructions Manual page 149

Type awt-ac 221.a04 to a13 compact heat pumps, split version for heating and cooling operation
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Keyword index
T
Temperature limiter......................13, 52
Temperature sensor.........................103
■ Compressor head (CTT)100, 101, 102
■ Curve, type Pt 500A.....................104
■ Curve for type NTC 10 kilohm......104
■ Evaporator (OMT).........100, 101, 102
■ Evaporator air intake
(OAT)............................100, 101, 102
■ Evaporator refrigerant inlet
(OCT)............................100, 101, 102
■ NTC curve....................................105
Temperature sensor, air intake, evapo-
rator..................................................103
Temperature sensor, compressor
head.................................................103
Temperature sensor, evaporator.....103
Temperature sensor, liquid gas. 98, 103
Temperature sensor, refrigerant inlet,
evaporator........................................103
Temperature sensors, connecting.....55
Terminating service............................87
Tightness test.....................................69
■ Annual............................................76
■ Connections, secondary circuit.......78
■ Refrigerant circuit...........................76
Tilt angle............................................18
TNC system.................................65, 67
Torque
■ For refrigerant lines..................36, 40
■ Service valve union nut..................75
Total sound power level...................139
Total weight........................................23
(cont.)
Transport......................................18, 23
Type-dependent heating output.........87
U
Underfloor heating.............................52
Underfloor heating circuit.............13, 52
Union nuts, replacing.........................40
V
Vacuum gauge...................................74
Vacuum pump....................................74
Ventilation..........................................92
Venting
■ Secondary circuit............................77
Vibration insulation.............................20
Vitocom..............................................89
W
Wall mounting
■ Bracket set......................................23
■ External unit....................................23
Wall mounting bracket set..................19
Warranty............................................85
Water quality......................................77
Weatherproofing................................19
Weight................................................20
■ External unit..................................138
■ Internal unit...................................138
Well circuit..........................................54
Wind direction....................................19
Wind loads.........................................19
Working on the refrigerant circuit.......76
Keyword index
149

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