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
20-196
3.4 Fresh water storage tank function
The condensing boiler can be combined with the following fresh water storage
tanks:
Pipe coil tank WAS 100 Bloc-P/A
Stratified tank WAS 80 Power/Bloc-P/A
Stratified tank WAS 115 Power/Bloc-P/B
WAS 100 Bloc-P/A
The fresh water is heated via a plain ended pipe heat exchanger.
DHW loading is initiated, when the temperature at the DHW sensor (B3) drops be-
low the DHW setpoint temperature minus the switch differential.
1
2
3
4
7
6
5
1
Funnel siphon with outlet
2
Magnesium anode
3
DHW sensor (B3)
4
Outlet tap
5
Fresh water inflow device
6
Plain ended pipe heat exchanger
7
Inspection flange