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General| Brand | Honeywell |
|---|---|
| Model | TH8321 |
| Category | Thermostat |
| Language | English |
Explains temperature control based on setpoint and stage capacity.
Details on locating the password for accessing installer setup.
Steps to find the password and access installer settings.
Explains how to find the password for installer options.
Guides through entering password and selecting setup options.
Configures thermostat application, heating system, and equipment types.
Sets temperature scale, outdoor temp, and sensor options.
Configures staging for cooling, heating, and backup heat sources.
Sets fan control and backup heat type for system operation.
Configures how backup heat operates and its type.
Sets up economizer fault detection and wiring for commercial use.
Sets auto changeover deadband and general control options.
Sets differential for 2nd and 3rd stage cooling for comfort.
Sets differential for 2nd and 3rd stage heating for comfort.
Configures heat differential for compressor stages.
Configures various wired indoor, outdoor, and discharge sensors.
Configures dehumidification terminal type and overcooling limits.
Sets dehumidification control methods and timing.
Sets priority between lockouts and ASHRAE ventilation standards.
Step-by-step guide to connect the thermostat to a Wi-Fi network.
Addresses common issues like invalid password or no IP address.
Steps to navigate to and initiate the installer test mode.
Guides on testing heating, cooling, fan, and IAQ equipment.
Guides on creating or editing programmed temperature schedules.
Configures dehumidification using the AC system and overcooling limits.
Explains how differential settings manage stage changes for comfort.
Adjusts stage differentials for optimal comfort and conservation.
Sets droop settings to restrict backup heat usage.
Explains how backup heat works with heat pumps in different modes.
Describes fossil fuel backup heat behavior in heat and emergency modes.
Guides on configuring geothermal radiant heat and related options.
Selects dehumidification equipment and wires it to the thermostat.
Selects dehumidifier equipment and wiring terminals.
Configures fan control and lockout options for dehumidifier.
Lists available dehumidification equipment options.
Configures dehumidification using cooling system methods.
Configures a dedicated dehumidifier for humidity control.
Configures ventilation priority and outdoor condition lockouts.
Chooses priority between lockouts and ASHRAE ventilation standards.
Controls economizer for ventilation and free cooling based on conditions.
Explains the function of each terminal on the thermostat.
Illustrates wiring for conventional and heat pump applications using the adapter.
Shows how to wire humidifiers, dehumidifiers, and ventilators to U1.
Illustrates wiring for additional heat/cool stages to U1 terminals.
Diagrams for wiring economizers with and without fault alerts.
Instructions for wiring the outdoor sensor to the thermostat.
Diagrams for wiring various indoor sensor combinations for averaging.
Addresses issues like blank screen, difficult-to-read display, and system response.
