Aprilaire 8355 user manual Troubleshooting

Page 10

Troubleshooting

SYMPTOM

REMEDY

Thermostat does not turn

Check Wiring

on system.

(see INSTALLATION).

 

Check fuse. Replace with 3 amp

 

fuse if fuse has opened. Five

 

minute compressor short cycle

 

protection may be in effect. Press

 

RESET to override. NOTE: This will

 

erase programming.

 

 

Thermostat turns on and off too

Increase Temperature Differential

frequently.

(see PROGRAMMING).

 

 

Display is blank, flashing or

Replace batteries.

constant "LO BAT."

 

 

 

Time shown on display is not the

Change time of day setting

current time of day.

(see PROGRAMMING).

 

 

Thermostat does not follow

Thermostat in MANUAL mode

program.

(see PROGRAMMING).

 

Thermostat may not have been

 

programmed in HEAT or COOL

 

position. Verify program.

 

Check AM/PM indicators at time

 

of day and programmed time

 

changes (see PROGRAMMING).

 

Verify program and day of week

 

is correct (see PROGRAMMING).

 

 

Thermostat does not advance day

To view or change day of week

of week.

use method on page 5.

If problems with thermostats cannot be solved, call:

Technical Support: 608-257-8801

Monday-Friday 7:45 am-5:00 pm CST

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Contents Model Features Replacing Existing ThermostatRemove the cover using a coin or screwdriver Installing the Model 8355 ThermostatMark placement of mounting holes. See . Set base aside Secure base to wall with supplied screws Programming Guide Simple Programming Mode Energy Efficient RecoveryChanging Fahrenheit F to Celsius C Begin Programmed Operation Setting Daily ProgrammingPress SET To change Morn time Temporary Program Override ResetManual Operation Put the COOL-OFF-HEAT-EM switch into the Heat position LED IndicatorsPress the button until the temperature To Test ThermostatTroubleshooting Wiring Diagrams Aprilaire Model 8355 Heat Pump ThermostatCYC Series Heat Pump Systems Heat Pump Systems York Lennox LOW Voltage Terminal Board Limited Warranty

8355 specifications

The Aprilaire 8355 is a sophisticated and advanced thermostat designed to enhance your home comfort while optimizing energy efficiency. This model is particularly well-suited for homeowners looking for seamless integration with their existing HVAC systems while benefitting from modern smart technology.

One of the standout features of the Aprilaire 8355 is its user-friendly interface. The large, backlit display makes it easy to read and navigate, even in low-light conditions. The intuitive layout allows users to access various settings quickly, ensuring that adjustments can be made without hassle.

The device incorporates advanced programming capabilities, allowing homeowners to set schedules based on their daily routines. This feature enables the thermostat to intelligently adjust the temperature when the house is empty and revert to comfortable levels before the family returns home. The programmable settings can lead to significant energy savings over time, reducing utility bills while maintaining a pleasant indoor environment.

Another notable technology integrated into the Aprilaire 8355 is its humidity control system. Unlike many standard thermostats, this model actively monitors and manages indoor humidity levels. This is particularly beneficial in regions with varying climate conditions, preventing excess moisture or dryness that can lead to mold growth or discomfort.

The thermostat also supports Wi-Fi connectivity, facilitating remote access through a smartphone app. Homeowners can monitor and adjust their home’s temperature and humidity levels from anywhere, making it an ideal choice for individuals who frequently travel or spend time away from home.

Additionally, the Aprilaire 8355 is designed with compatibility in mind, working effectively with various HVAC systems, including two-stage heating and cooling setups. This versatility means that the thermostat can be easily integrated into a wide range of homes, making it a flexible option for both new builds and retrofits.

Energy Star certified, the Aprilaire 8355 is engineered to promote energy conservation. With its built-in features aimed at reducing energy consumption, users can reduce their carbon footprint while enjoying year-round comfort.

In summary, the Aprilaire 8355 is a powerful thermostat that combines extensive programming features, humidity management, and remote connectivity. Its focus on user-friendliness and energy efficiency makes it a smart investment for homeowners aiming to enhance their living environment while reducing energy costs.