1 - Main PCB
2 - Pgn1 key Display controller
3 - Upc3 controller terminal
4 - Connecting line of controller
5 - DC frequency converter 25 A, 220VAC 1PH
6 - Outlet water temperature sensor
7- Electronic expansion valve, main valve
8 - FAN motor
9 - Water flow switch
3 - Upc3 controller terminal
4 - Connecting line of controller
5 - DC frequency converter 25 A, 220VAC 1PH
6 - Outlet water temperature sensor
7- Electronic expansion valve, main valve
8 - FAN motor
9 - Water flow switch
10 - DHW Sensor
11 - Pool Sensor
12 - WiFi Pool Thermostat
13 - 24VAC Relay