Installation and operating instruction
Gas condensing unit WTC-GB 15-B Compact and WTC-GB 25-B Compact
16 Key word index
83309302 1/2018-05 La
194-196
Room air independent ......................................................... 8
Room device .......................................... 50, 108, 109, 166
Room frost protection ........................................................ 81
Room humidity..................................................................... 58
Room influence.................................................................... 80
Room sensor.................................................... 50, 109, 166
Room sensor influence .................................. 80, 150, 151
Room setpoint temperature........... 61, 70, 79, 150, 151
Room temperature.............................................................. 58
Room temperature control................................... 150, 151
Room thermostat function ............................................... 80
S
Safety measures.................................................................... 8
Safety switch..................................................................... 154
Safety time............................................................................ 18
Safety valve .................................................................. 12, 38
SCOT®................................................................................. 16
SCOT® base value............................................................ 68
Screed drying ...................................................................... 82
Screed program .................................................................. 82
SD card .............................................................................. 132
Sensor characteristics .................................................... 163
Sensor T1 ............................................................................. 99
Sequence diagram ............................................................. 18
Serial number............................................................... 11, 63
Service.............................................. 56, 86, 120, 121, 144
Service contract ..................................................... 120, 126
Service cover .................................................................... 125
Service display ................................................................. 121
Service interval .......................................................... 86, 120
Service note ......................................................................... 56
Service schedule.............................................................. 126
Servicing ............................................................................ 126
Servicing steps................................................................. 121
Setting range .................................................................... 156
Short-term output ............................................................... 24
Shutdown .......................................................................... 119
Shutdown time ................................................................. 119
Siphon ................................................................. 12, 44, 125
Sludge formation................................................................. 37
Sludge separator ................................................................ 38
Smell of flue gas.......................................................... 8, 141
Smell of gas ........................................................................... 8
Softening............................................................................... 37
Software version ............................................... 95, 99, 106
Sound .................................................................................... 23
Sound attenuator ................................................................ 12
Sound power levels............................................................ 23
Sound pressure level ......................................................... 23
Soundness test ................................................................ 103
Spares ......................................... 169, 171, 181, 183, 185
Special level ...................................................................... 152
Speed .................................................................................... 68
Stabilisation of hardness................................................... 37
Standard volume .............................................................. 118
Standards ............................................................................. 22
Standby ................................................................................. 59
Standby loss ........................................................................ 28
Start screen.......................................................................... 56
Statistic ................................................................................. 62
Status .................................................................................... 65
Storage.................................................................................. 22
Stratified tank....................................................................... 20
Summer................................................................................. 59
Summertime ......................................................................... 63
Summer-Winter change-over .......................................... 61
Supply air annular gap ............................................. 45, 117
Switch differential ....................................................... 74, 84
Symbols ................................................................................ 56
System device ................................................... 13, 55, 166
System hydraulics.................................................. 146, 148
System operating mode .................................................... 59
System overview .............................................................. 167
System pressure .......................... 12, 15, 58, 67, 75, 165
System separation ...................................................... 39, 43
T
Tapping volume ................................................................... 24
Temperature ......................................................................... 22
Temperature differential..................................................... 78
Temperature monitor....................................................... 154
Temperature remote control.......................................... 152
Test nipple ............................................................................ 91
Three way vale ............................................................. 43, 99
three-way valve..................................................... 12, 13, 67
Throughput limit................................................................... 25
Time........................................................................................ 94
Time of day ........................................................................... 63
Time program..................................................... 60, 62, 161
Top up water quantity ........................................................ 34
Transport............................................................................... 22
Trisodium Phosphate ......................................................... 37
Troubleshooting ............................................................... 141
Type key ................................................................................ 10
Type of gas......................................................... 22, 99, 114
Type of installation .............................................................. 22
Type of operation ................................................................ 60
Type of protection............................................................... 22
U
Underfloor heating circuit............................................... 154
Underfloor thermostat ..................................................... 154
Unit fuse ................................................................................ 13
User level .............................................................................. 57
V
VA1/2 ................................................................................. 154
Value range ....................................................................... 156
Valve expansion vessel ................................................... 165
Version................................................................. 95, 99, 106
Voltage signal ...................................................................... 77
Voltage supply ............................................................. 22, 55
Volumetric flow ............................................................ 15, 67
W
Warning code ................................................................... 131
Warnings ........................................................................... 131
WAS ...................................................................................... 20
Water connection ............................................................... 39
