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Refrigerant Piping<br />
Refrigerant Pipe Lengths and Height<br />
The length and height of the refrigeration pipe must be within the following values.<br />
Minimum Pipe Length<br />
HWS-802H-E : 5 m<br />
HWS-1102H-E : 3 m<br />
HWS-1402H-E : 3 m<br />
Maximum Pipe Length and Height<br />
H: Max. ±30 m (above or below)<br />
L: Max. 30 m<br />
Quick Reference Guide - Page 7<br />
Note<br />
The maximum pipe length cannot be increased using additional<br />
refrigerant.<br />
Refrigeration and Water Cycle Diagrams<br />
Hydro Unit<br />
Expansion vessel<br />
Air vent valve<br />
Pressure<br />
relief<br />
valve<br />
Pressure<br />
Gauge<br />
THO<br />
Sensor<br />
Thermal<br />
Protector<br />
Refrigerant pipe<br />
at gas side<br />
(Outer ø15.88)<br />
Hi_P_Switch<br />
TWO<br />
Sensor<br />
Pump<br />
Water Out<br />
(1 1/4")<br />
Refrigerant pipe<br />
at liquid side<br />
(Outer ø9.52)<br />
P_Sensor<br />
TC<br />
Sensor<br />
Backup heater<br />
Flow_Switch<br />
TWI<br />
Sensor<br />
Water IN<br />
(1 1/4")<br />
Water Heat exchanger
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