Hatco Corporation
Booster Water Heater Presentation
25
UI/Temp Control Board Pin Connections
USB 2.0 – J1
Connected to USB
port on Front
Panel (used for
firmware
updates)
UI/Temp Control Board Pin Connections
4 3 2 1
4
3
2
1
Temperature Sensor
1- NOT USED
2- To Temperature Sensor
3- To Temperature Sensor
4- NOT USED
Power Input Connector
1- 12V (+) terminal from Stepper Motor Control
2- NOT USED
3- NOT USED
4- GND (-) terminal from Stepper Motor Control