Sinclair SWH-15/190T2 User & Installation Manual page 12

3.3.3 PCB I/O Ports description
Power Supply
Transformer
Input
Solar Input
(300L)
Transformer
Output
8
Panel Display Panel Display
Power Supply Output
Output
Fan COMP EHEAT S.V. Crank
T5L:Lower T5U:Upper T3:Evaporator
Tank Water Tank Water Inlet Temp.
Temp.Sensor Temp.Sensor Sensor
4-way Solar Pump
Heater Valve (300L)
T4:Ambient Th:Comp
Temp.Sensor Suction
Temp.Sensor
Alarm
SW1 Factory Setting
for Disinfect
&Electric Heater
Model Selection
ON/OFF
SW2 Factory Setting
for 190L/300L Model
Selection
High Pressure
Switch
Tp:Comp
Discharge
Temp.Sensor
Fig.3-12