15 | Technical data
Installer reference guide
108
EKHWET90~120BAV3
R32 Split series – Domestic hot water tank
4P680077-1 – 2021.11
15.1 Piping diagram: Indoor unit
a1 Domestic hot water – hot water out Thermistors:
a2 Domestic hot water – cold water in R3T Thermistor heat exchanger – Liquid pipe
b1 Liquid stop valve R5T Tank thermistor
b2 Gas stop valve
c Booster heater