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Menu 637 – Network Settings
This menu is accessible through normal operation mode. The Mode Selector jumper (JP1) of the thermostat must be set to the “RUN” position (Operation Mode). Refer to Wiring on
page 6.
Note: Since the action keys are different on TRL and TDU thermostat series, both keys have been included in the instructions. Refer to the Action Keys on Thermostat section to
know and use the key as available on your thermostat.
1. Press the [ / ] and keys simultaneously for 5 seconds. The “Enter Password” screen appears.
2. Enter the password within 1 minute by using the arrow keys to increase or decrease the value and [ / ] and keys to toggle between the digits.
a. Password 637 = Network Settings Menu
3. If you enter the wrong password, the thermostat displays “Eror” and returns to Operation Mode. The thermostat will return to normal mode if you navigate through the entire
menu and do not make any selection, or if you do not press any key for 5 minutes. The changed values will be saved automatically.