Operating your system using the Carrier® Connect™ Wi-Fi Thermostat
33CONNECTSTAT43 ©2022 Carrier.
Installation Guide All rights reserved.
25
Humidification
There is occupied and unoccupied humidification on units that are equipped with humidifiers.
The following conditions must be true for humidification to operate:
• HUMIDIFIER must be set to YES
• Must be in heating mode
• Setpoint range is 15 to 50%
• Humidity must be 3% less than the humidify setpoint
Humidification ends when the humidity rises 3% above the humidify setpoint or the heating demand is satisfied.
Filter status
FILTER STATUS is based on a supply fan runtime or Filter Status input. The run time can be configured from 500
to 3000 hours. A filter status alert displays when the filter timer exceeds the configured number of hours.
Press the icon to see the message.
Holidays
There is a maximum of 24 holiday periods. You can program each holiday period based on a start and stop month
date, or day of the month and week, with duration up to 365 days. The holiday schedule uses the first unoccupied
period setpoints for temperature control.
BACnet integration
There are two points that act as gateways, allowing or prohibiting BACnet writes to configuration items (BACNET
CONFIG WRITE) and occupancy control (BACNET BMS OCC). These variables are only accessible via the local
screen.
See To configure advanced SYSTEM SETTINGS (page 14) for BACnet set-up and control.
A write to the Active Heat or Cool Setpoint (AV:409 or AV:410) places the thermostat into temporary override. This
override will remain in effect until the MAX Temperature Hold Time (AV:502) expires. Default is 2 hours.
Long-term setpoint adjustment is accomplished by writing to the baseline setpoints (AV:400- AV:403).
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