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SmartCommand Thermostat
Installation Manual
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Copyright Copyright © 2007 GE Security. All rights reserved. This document may not be copied in whole or in part or otherwise reproduced without prior written consent from GE Security except where specifically permitted under US and international copyright law. Document number/revision: 1060018A (July 2007). Disclaimer The information in this document is subject to change without notice. GE Security (“GE”) assumes no responsibility for inaccuracies or omissions and specifically disc
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iii Contents Preface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Conventions used in this document. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Safety terms and symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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iv SmartCommand Thermostat Installation Manual Serial communication test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32 HVAC system testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33 Control unit wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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1 Preface This is the GE SmartCommand Thermostat Installation Manual for model CC-SCSTAT. This document includes an overview of the product and detailed instructions explaining: • how to install; and • how to operate the thermostat. There is also information describing how to contact technical support if you have questions or concerns. To use this document effectively, you should have the following minimum qualifications: • a basic knowledge of HVAC control components; and • a basic knowledge
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2 SmartCommand Thermostat Installation Manual Product overview The SmartCommand thermostat (model CC-SCSTAT) provides typical thermostat functions as well as the capability to send and receive information via serial communications. This capability allows the thermostat’s setpoint, mode, and fan operation to be changed remotely. In addition, the remote systems can request status of the thermostat’s temperature, setpoints, modes, and other system information. The thermostat consists of two part
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3 WDU LEDs The four LEDs on the WDU display various status information. The LEDs have dynamic on-screen labels that can change when you change screens. WDU screens One of the unique features of the WDU graphical display is the ability to have multiple display screens. In addition to a main Thermostat control screen, menus and other control screens for special functions are provided. This makes an intuitive and easy to use user interface and allows the many functions of the thermostat to be e
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4 SmartCommand Thermostat Installation Manual Thermostat control screen The Thermostat control screen (Figure 2) is the default display screen normally displayed on the WDU. Figure 2. Thermostat control screen Clock Setpoint display Display 10:25 AM Outside 60 Up Sys Off 76 H LED Econ Display Run 75 Down 74 C No Msg MODE FAN MENU RUN Menu Mode Fan Run/Hold Temperature display The WDU will normally display the current temperature from the internal digital temperature
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5 Up and down buttons The Up and Down buttons adjust the setpoint temperature. Press Up to increase the setpoint value by one degree and press Down to decrease the setpoint one degree. Pressing and holding a button down will cause the setpoint to continuously change until the button is released. The setpoints can be set from 6 to 109° (F or C), unless limited in the installer settings. You cannot lower the cooling setpoint below the heating setpoint. The thermostat will push the heating setp
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6 SmartCommand Thermostat Installation Manual Run/Hold button The Run/Hold button controls the automatic schedule operation. In hold mode, the current temperature is maintained until changed by manual or remote network command. In the run mode, the schedule loaded into the thermostat is activated and setpoints will change according to the schedule and the time and day of the week. Away mode. There is also an away mode that you can select if you press and hold the Run button for three secon
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7 Main menu screen The thermostat has a menu tree that can be accessed by pressing the Menu button on the main Thermostat control screen. Various configurations of the unit can have different screen contents. The first screen that will display is the Main menu screen (Figure 3). This is a list of the other menus or functions that you can access. Standard screens are listed in this manual, your screen may vary with different configurations or revisions. Figure 3. Main menu screen Menu Selectio
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8 SmartCommand Thermostat Installation Manual Messages screen The Messages screen (Figure 4) allows you to retrieve text messages sent from the serial network to the thermostat. The Messages screen features navigation buttons to read new and old messages and delete messages. You can store up to 16 messages. If more than 16 messages are received, the oldest is erased to make room for the newest message. Note: New messages will turn on and flash the red message LED and mail icon in the main T
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9 Schedule setup screen The Schedule setup screen allows you to review and set the setback schedule for the thermostat. The thermostat has a 4 by 7 schedule. Four times a day can be selected for heating and cooling setpoints. Each day of the week can have a different schedule. Groups of days can be copied with the same schedule. When the thermostat is set to run mode, the schedule will be executed daily, with the setpoints being changed as per that day’s schedule stored in the thermostat. Ho
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10 SmartCommand Thermostat Installation Manual Heat and cool schedule screen When you select the Heat and cool schedule menu item, the Heat and cool schedule screen (Figure 6) opens and the schedule for the current day will be displayed. Use the scroll buttons to highlight the data to be modified. Once the data has been highlighted, use the Up (+) and Down (-) buttons to change the value of the data. To copy a day’s schedule to another day or group of days, move the cursor to C on the bottom
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11 Copy schedule screen The Copy schedule screen (Figure 7) is a sub screen of the Heat and cool schedule screen on page 10. The Copy schedule screen allows you to copy a day’s schedule to another day or group of days. To copy a day’s schedule, do the following: 1. Select the day to be copied in the Heat and cool schedule screen. Scroll to the C at the bottom of the Heat and cool schedule screen to highlighted it. The Next button will change to the Copy button. Press Copy to open the Copy sch
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12 SmartCommand Thermostat Installation Manual User settings screen The User settings screen (Figure 8) allows you to set or change various user options of the thermostat such as the clock, minimized screen timeout, Fahrenheit/Centigrade mode, sensor calibration, and backlight settings. Figure 8. User settings screen User Settings Set Clock Up Screen Timeout 30 F/C Mode F Sensor Calibration Down Done + - Select Done Plus Minus Select Screen optio
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13 Set clock screen The Set clock screen (Figure 9) is a sub screen of the User settings screen. The Set clock screen allows you to set the thermostat’s internal clock. To set the time and day, do the following: 1. Move the cursor with the navigation arrows until the data you want to change is highlighted. 2. Press Up (+) or Down (-) to increase or decrease the value to the desired setting. 3. Press Set to set the time and return to the main Menu screen or wait for the screen to timeout. Note:
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14 SmartCommand Thermostat Installation Manual Sensor calibration screen The Sensor calibration screen (Figure 10) is a sub screen of the User settings screen on page 12. The Sensor calibration screen allows you to change the temperature calibration for the internal and any external remote temperature sensors attached to the thermostat. You can change the temperature calibration by ± 7 degrees. When the Sensor calibration screen is selected it will show the internal and all detected remote sen
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15 Backlight display screen The Backlight display screen (Figure 11) is a sub screen of the User settings screen. The Backlight display screen allows you to set the backlight on and off brightness levels and contrast. Figure 11. Backlight display screen Backlite/Display Backlite Timeout 0 Up ON Level 100% OFF Level 0% Contrast 5 Down Done + - Select Done Plus Minus Select Screen options
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16 SmartCommand Thermostat Installation Manual Thermostat information screen The Thermostat information screen (Figure 12) displays the current configuration of the thermostat wall display unit and the HVAC control unit. This information is useful for quick check of firmware versions and HVAC system setup. It also shows the network address setting Thermostat information displayed includes: Wall display unit. Model and firmware version number. Control unit. Model and firmware version number.
