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Fabricante : Carrier
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Arquivo Nome : vvt-2so.pdf
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GENERAL This manual will assist you in using your Carrier Comfort System thermostat. There are 2 basic types of thermostats that you may encounter. They are called the monitor thermostat and the zone controller. The monitor thermostat can be identified by the system switches (FAN, HEAT, COOL) which are located along the bottom edge of the front cover. The monitor thermostat can be equipped with or without a timeclock. The timeclock display is located in the upper right corner of the monitor thermostat. The monitor thermostat display is located in the upper left corner. The set point and programming buttons are located around the display. The zone controller does not have system switches or a timeclock. The zone controller display is located in the upper left corner of the zone controller. The set point and programming buttons are located around the display. Zone Controller There are three typical operations you may perform on your VVT (variable volume and temperature) system thermostat: • change set points for heating and cooling • override the unoccupied schedule • change occupancy schedules NOTE: Your ability to perform these functions may be limited by the security access level function which is configured by the installer. If ‘‘access denied’’ is shown on the display screen, you are not allowed to access that function. The monitor thermostat and zone controller are part of a VVT system. The VVT system allows a single-zone heating/ cooling unit to operate as a multiple-zone system. The conditioned space is divided into zones. Each comfort zone is monitored by a zone controller. The monitor thermostat monitors the operation of its own zone and of each associated zone controller and determines system operation from information received from each device that it controls. Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 4 PC 111 Catalog No. 809-247 Printed in U.S.A. Form VVT-2SO Pg 1 10-95 Replaces: New Tab 11a 13a OPERATION Electronic Timeclock (Monitor Thermostat Only) — To set the clock, remove the cover of the thermostat. Two buttons, located under the timeclock, are provided to set the clock. They are labeled select and adjust. Press the select button. The minutes setting on the clock will flash. Press the adjust button until the correct minutes are shown. Press the select button. The hour setting will flash. Press the adjust button until the correct hour is shown (including AM and PM). Press the select button again and the day of the week will flash. Press the adjust button until the correct day is shown. Press the select button to return to normal timeclock operation. System Switches (Monitor Thermostat Only) — The monitor thermostat operation mode is controlled by 3 system switches: FAN, HEAT, COOL. See Fig. 1. The FAN switch can be set to ON or AUTO. When the FAN switch set to ON, the fan will run continuously. When the FAN switch is set to AUTO, the fan will only run during heating and cooling. The COOL switch can be set to OFF or AUTO. When the COOL switch set to OFF, the VVT. system will not enter cooling mode. When the COOL switch is set to AUTO, the VVT system will enter cooling mode when the zone temperature rises above the cooling set point. The HEAT switch can be set to OFF or AUTO. When the HEAT switch set to OFF, the VVT system will not enter heating mode. When the HEAT switch is set to AUTO, the VVT system will enter heating mode when the zone temperature drops below the heating set point. System Displays — The monitor thermostat and zone controller have a display window which is used to show system information and for programming mode. See Fig. 1. SET POINT DISPLAY — The heating and cooling set points are shown in the display window during the normal display mode. The heating and cooling set points are used to determine the range of temperatures that are maintained in the zone. The cooling set point buttons are located on the left side of the display screen. The heating set point buttons are located on the right side of the display screen. MODE DISPLAY — When the system fan is energized, the word FAN appears on the display screen. When the cooling mode is energized, the word COOL appears on the display screen. The system fan will also be energized. When the heating mode is energized, the word HEAT appears on the display screen. The system fan will also be energized, unless it is configured not to run during heating mode. If the system enters IAQ (indoor air quality) mode, the word IA9 appears on the display screen. If the zone controller energizes its supplemental heat source, the word SUP appears on the display screen. ALTERNATE DISPLAY — By pressing both cooling or heating set point buttons simultaneously, the alternate information display is activated. The monitor thermostat or zone controller will display the current zone temperature and then the time of day. If the Alternate Displa...