Viessmann 7424689, Инструкция по установке и обслуживанию

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131
Return, DHW cylinder......................123
Return, DHW cylinder/heating water..35
Room height.......................................28
Room temperature sensor.................92
Room volume.....................................28
Rubber buffer.....................................27
S
Safety connections.............................48
Safety goggles.......................65, 68, 69
Safety instructions
■ Refrigerant......................................69
Secondary circuit
■ Connecting.....................................35
■ Filling and venting...........................70
Secondary pump................................50
Selecting the parameter group...........77
Sensor PCB.......................................50
Sensors........................................87, 88
Separating plate...........................70, 86
Service menu
■ Calling up........................................77
■ Disabling.........................................77
■ Enabling..........................................76
Service position..................................85
Service valve
66
■ External unit........................65, 68, 69
Setting parameters.............................77
Shut-off valve.....................................50
Siting
■ External unit....................................25
■ Internal unit.....................................28
Siting the external unit.......................25
Sound insulation................................27
Specification.....................................119
Starting heat pump.............................74
Starting the appliance........................74
Starting the heat pump.......................74
Start sequence of the heat pump.......74
Switching contacts
■ Contact humidistat..........................36
Switching on appliance......................74
System schemes..........................12, 18
System schemes, overview.................9
T
Temperature limiter............................42
Temperature sensor
92
■ Air intake, evaporator (OAT)89, 90, 91
■ Compressor head (CTT).....89, 90, 91
■ Evaporator (OMT)...............89, 90, 91
■ NTC curve................................93, 94
■ Refrigerant inlet, evaporator
(OCT)..................................89, 90, 91
Temperature sensor, air intake, evapo-
rator....................................................92
Temperature sensor, compressor
head...................................................92
Temperature sensor, evaporator.......92
Temperature sensor, liquid gas.........92
Temperature sensor, refrigerant inlet,
evaporator..........................................92
Temperature sensor, type Ni 500
■ Curve..............................................93
Temperature sensor, type Pt 500
■ Curve..............................................93
Temperature sensors.........................50
Terminating service............................77
Testing the pressure..........................62
Testing the tightness..........................62
Tightness test
■ Annual............................................69
Tilt angle............................................25
Torque
■ For refrigerant lines..................33, 34
■ Service valve union nut............68, 69
Transport......................................25, 28
U
Underfloor heating.............................42
Underfloor heating circuit...................42
V
Vacuum gauge...................................66
Vacuum pump....................................67
Keyword index
Keyword index
(cont.)
5601 429 GB