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CC-SCSTAT installation manual
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44 pages, 376.36 Kb
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SmartCommand Thermostat
Installation Manual
Contents
Main
Page
Contents
Page
Preface
Conventions used in this document
Safety terms and symbols
Product overview
Wall display unit (WDU)
WDU control buttons
WDU LEDs
WDU screens
Thermostat control screen
Temperature display
Setpoint display
Clock display
Up and down buttons
Menu button
Mode button
Fan button
Run/Hold button
LED display
LED 1 green, system operation display
LED 2 green, system Economy mode display
LED 3 green, Run/Hold display shows state of schedule Run/Hold mode
Main menu screen
Messages screen
Schedule setup screen
Heat and cool schedule screen
Copy schedule screen
User settings screen
Set clock screen
Sensor calibration screen
Backlight display screen
Thermostat information screen
Installer settings screen
Page
Page
Installation overview
X
Freeze protection
Wall display unit installation
Mounting
Wiring
Remote sensor connection
Control unit installation
Control unit to WDU wiring
Control unit to HVAC wiring
Retrofit wiring
SmartCommand Thermostat Installation Manual
HVAC system wiring
Standard HVAC system wiring
Note: Wire R to either RH or RC for common transf ormer HVAC systems.
HVAC system 24 VAC transformer
DIP switches
SmartCommand Thermostat Installation Manual
26
Heat pump HVAC system wiring
Note: Do not cut JP1 for heat pump systems. RC and RH are common for heat pumps.
DIP switches
Control unit connection
Common or split transformer systems
Serial communication
RS485 com port
RS485 address
RS485 protocol
Thermostat network commands
System checklist
Thermostat bench test
Serial communication test
HVAC system testing
Standard HVAC system quick test
Heat pump system quick test
35
Control unit wiring
Note: For heat pump HVAC systems, the orange wire (O) is the changeover valve.
HVAC system transformer
DIP switch SW1 settings
Serial network command and variable list
Refer to the Serial Communications Protocol Manual 150-00225 for format details.
Network commands
Tab le 3 shows the network commands and a description of each command.
Network variables
Tab le 4 shows the network variables for use with the system variable, SVx command.
Contacting technical support
Online publication library