VT7225 Series User Interface Guide For Modulating Heat Applications N o ve m b e r 2 0 1 7 CONTENTS Configuring and Status Display Instructions Status display User Interface Local keypad interface Configuration interface 1 | 028-6145-00 2 2 3 3 4 November 2017
CONFIGURING AND STATUS DISPLAY INSTRUCTIONS Status display The Room Controller features a two-line, eight-character display. There is a low-level backlight level that is always active and can only be seen at night. To turn on the back light to high level, press any key on the front panel. The back lit display will return to low level when the Room Controller is left unattended for 45 seconds. Occupancy Status • Occupied, Unoccupied and Override status are displayed on the display.
USER INTERFACE Unoccupied mode override An Override can be made during an unoccupied period. Local keypad interface 1. An Override can be made during an unoccupied period. If the Override option is enabled in the lockout configuration pressing the override key will resume occupied setpoints for a time specified by parameter ToccTime 2. Decrease setpoint 3. Increase setpoint 4. Any setpoint change can be permanent or temporary based on configuration parameter (Setpoint Type) 5.
Installer Configuration Parameter Menu Configuration can be done locally on the Room Controller. To enter configuration, press and hold the left button (Override) for 8 seconds. If a password lockout is active, “Password” is prompted. Enter password value using the “up” and “down” arrows and press the middle button again to gain access to all configuration properties of the Room Controller. Entering a wrong password will prevent local access to the configuration menu. 1.
CONFIGURATION PARAMETERS DEFAULT VALUE PswrdSet Default value = 0 SIGNIFICANCE AND ADJUSTMENTS This parameter sets a password access to prevent unauthorized access to the configuration menu parameters. A default value of “0” will not prompt a password or lock the access to the configuration menu. Range: 0 to 1000 MenuScro Default value = Off Removes the scrolling display and displays the room temperature to the user.
CONFIGURATION PARAMETERS DEFAULT VALUE SIGNIFICANCE AND ADJUSTMENTS Unocc HT Default value = 62°F (17°C) Unoccupied heating setpoint Heat max Default value = 90°F (32°C) Maximum occupied & unoccupied heating setpoint Heat min Default value = 54°F (12 °C) Minimum occupied & unoccupied cooling setpoint Range is: 0 to 180 °F (-17 to 82 °C) adjustment. Range: 0 to 180°F (-17.0 to 82°C) adjustment. Heating setpoint range is: 0 to 180°F (-17.
ToccTime Default value = 2 hours Temporary occupancy time with occupied mode setpoints when override function is enabled. Cal RS Default value= 0.0 °F or °C Range: 0-24 hours Offset that can be added/subtracted to the actual displayed room temperature Range: ± 5.0 °F, 1.0 °F increments (± 2.5 °C, 0.5 °C increments) Viconics Technologies Inc. Tel.: 7 | 028-6145-00 Fax: Toll free: www.viconics.
