Installation and operating instruction
Gas condensing unit WTC-GB 15-B Compact and WTC-GB 25-B Compact
13 Project planning
83309302 1/2018-05 La
167-196
System overview
Example
Heat
Heat
4
4
WTC
3
2
1
2
5
3
1
System device
2
Direct heating circuit of condensing unit
3
Heating system extension module (WEM-EM-HK)
4
Room device or room sensor
5
Direct DHW circuit of condensing unit