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General| Brand | Smart temp |
|---|---|
| Model | Smart Zone 4 |
| Category | Motherboard |
| Language | English |
Specifies acceptable thermostat types and inputs for the zone board, excluding heat pump thermostats.
Details the terminal connections for zone and spill dampers, including drive open, common, and drive closed.
Explains the terminal connections for thermostats: R, C, W, Y, and G.
Describes how to connect the expander board to the main board and other expander boards.
Explains the meaning of various LED indicators on the board for functions and status.
Details the function of DIP switches 1-6 for setting spill logic and air function modes.
Details DIP switches for setting the expander board address number.
Instructions for using the reset switch and critical power supply polarity considerations.
Refers to the SZ4 main manual for detailed instructions on wiring thermostats and dampers.
Explains damper parking behavior upon shutdown and damper/purge delays before mode changes.
Details how time slicing manages mixed zone calls and equipment rules for thermostat input validation.
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