System Pac Dhw With Buffer Tank - Panasonic PAW-VP1000LDHW Technical Manual

System drawings
6.3
6
84

System PAC DHW with buffer tank

Refer to the next chapter for details.
PAW-VP1000L DHW
TA valve
5 litre/min
Charging pump ON at 60 °C
Charging pump OFF at 57 °C
If the consumption is more than 1400 liters of DHW, this solution is cost effective as a result of a
low investment costs.
When the consumption of DHW is 4500 liters in the morning and 4500 liters in the evening, that
is a typical tapping cycle for a small hotel, this solution can satisfy the total need of DHW by
producing hot water from 10 °C to a maximum of 65 °C.
Water pump, for example Grundfos comfort UP 15-14 BA PM for pump circulation.
The buffer tank shown in this example is 3000 liters.
 System 1:1 with buffer tank
with circulation pipe and
charging pump
Buffer tank
City Water in
PAW-VP•LDHW - Technical Manual – 2019-11
Temperature control valve
DHW
Qmin = 1 litre/minute
Water pump operation schedule
At night ON 15 min
OFF 80 min
Through the day ON 15 min
OFF 40 min