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2
nd
Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual
3. PCB explanation
48
2.5 PCB I/O Ports description
Crank Heater
4-way valve
L
、
N
Transformer
Input
Transformer
Output
Wire Controller
Power Supply
Output
Panel
Display
output
Panel Display
Button input
Wire controller
Communication
T4 : Ambient
Temp. Sensor
T3: Evaporator
output Temp.
Sensor
T5_U: Upper tank
water Temp. senor
T5_L: Lower tank
water Temp. senor
Tp: Comp
discharge Temp.
senor
Th: Comp Suction
Temp. senor
Preserved
Remote On/OFF input from Solar
pre-warming system
low electrical level signal means ON
High electrical level signal means
OFF
Remote On/Off Response
High electrical level signal
means HPWH ON
Low electrical level signal
means HP OFF
High-Pressure
switch
EEV
Fan
SW2 Factory setting
for Auto-restart &
element model
selection
SW3 Factory setting
for Element On/Off
Summary of Contents for RSJ-35/300RDN3-B
Page 14: ...2nd Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual E HEATER MODE 15...
Page 16: ...2nd Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 4 Dimensions 17...
Page 19: ...2nd Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 7 Piping Diagrams 20...
Page 21: ...2nd Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 9 Exploded View 22...