OJ ELECTRONICS UDG-4999 Thermostat with Class A GFCI Owner’s Manual
Get all the information you need about OJ Electronics' programmable thermostat, including the UDG-4999 and USG-4000 models. This user manual explains how to optimize comfort temperature and reduce energy consumption with the built-in Class A GFCI and adaptive function. Compatible with various power supplies, the thermostat also features an energy consumption monitoring system and can be extended for larger applications.