GE CC-SCSTAT - page 44

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