MCAC-HTSM-201906                            Midea R410A Direct Heating Type HPWH 50Hz Technical Manual 
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2.7 Water tank installation 
  The water tank temperature sensor (T5) can not be placed in the water or on the water pipe directly. 
The water tank must be set a temperature pipe where the temperature sensor (T5) is installed. 
  The water tank must have some safety devices to protect it such as temperature cut off switch, pressure 
and temperature relief vale, etc. 
  Make sure E-heater is covered with water all the time. 
Figure 3-2.11: Water tank installation 
 
  Water cycle pump selection: 
RSJ-120/ZN1-H 
Circulative heating rated water flow 
Water resistance of circulative rated water flow 
 
 
RSJ-200/SZN1-H 
Circulative heating rated water flow 
Water resistance of circulative rated water flow 
 
RSJ-420/SZN1-H 
Circulative heating rated water flow 
Water resistance of circulative rated water flow