Installation and operating instruction
Gas condensing unit WTC-GB 15-B Compact and WTC-GB 25-B Compact
3 Product description
83309302 1/2018-05 La
25-196
3.5.7 Hydraulic data
Condensing boiler
WTC 15
WTC 25
Water content
2.2 litres
3.1 litres
Boiler temperature
max 85 °C
max 85 °C
Operating pressure
max 3 bar
max 3 bar
Expansion vessel content
18 litres
18 litres
Expansion vessel pre-pressure
0.75 bar
0.75 bar
Throughput limit
1300 l/h
2200 l/h
Fresh water storage
WAS 100
WAS 80 Power
WAS 115 Power
Fresh water contents
105 litres
86 litres
115 litres
Heating water contents
7.0 litres
–
–
DHW operating temperature
max 95 °C
max 95 °C
max 95 °C
Heating water operating tem-
perature
max 110 °C
–
–
DHW operating pressure
max 10 bar
max 10 bar
max 10 bar
DHW operating pressure
Switzerland
max 6 bar
max 6 bar
max 6 bar
Heating water operating pres-
sure
max 10 bar
–
–