61
ENGLISH
Display
Explanation
Error on the sensor of water inlet pipe (Short or Open)
Error on the sensor of water outlet pipe (Short or Open)
Error on water tank (Short or open)
Error due to pipe rupture protection
Error due to freeze prevention(Re-operation is possible)
Error due to freeze prevention(Re-operation is impossible)
Water temperature sensor on water outlet pipe is detached
Flow switch off error, When the switch is turned off within 10 seconds after a pump starts its operation(Re-
operation is possible)
Six times detection for Flow Switch Error(Re-operation is not possible)
Error due to incorrect thermostat connection
Error on DC fan(Non-operating)
System diagram for DVM Hydro unit / Hydro unit HT
<DVM Hydro unit>
S
Temperature sensor for
refrigerant gas pipe
Temperature sensor
for refrigerant
liquid pipe
Temperature sensor for
Water inlet pipe
Temperature sensor for
Water outlet pipe
Water out
Water in
Flow switch
Check valve
Strainer
Strainer
Solenoid valve
Refrigerant gas pipe
Refrigerant liquid pipe
<DVM Hydro unit HT>
R-410A Cycle
R-134a Cycle
Water Cycle
LOW Press.
Sensor
Compressor
location of the sensor
Pinch pipe
Pinch pipe
Charging port
Charging port
Filter
Filter
4-Way V/V
Connector 25.4 mm
Connector 25.4 mm
High Press. Sensor
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