6 Selection of the Water Tank 
6.1 Specifications of the Water Tank 
220~240V-1N-50Hz 
A single coil with the electric heater is integrated, used for floor heating system 
220~240V-1N-50Hz 
Dual coils with the electric heater are integrated, used for floor heating system and the solar system 
380~415V-3N-50Hz 
A single coil with the electric heater is integrated, used for floor heating system 
380~415V-3N-50Hz 
Dual coils with the electric heater are integrated, used for floor heating system and the solar system 
6.2 Volume Selection of the Water Tank 
6.2.1 Selection Based on Water Consumption Per Capita 
Daily Water Consumption (L)   
6.2.2 Selection Based on Sanitary Utensils 
Daily Water 
Consumption (L)   
Bathtub, Sprinkler system (with shower) 
Bathtub, Sprinkler system (without shower) 
6.2.3 Selection of the Water Tank 
Selection of the water tank should consider the flow rate of the shower head, duration of use per 
person and daily water consumption.