Aprilaire user manual Wiring Diagrams, Aprilaire Model 8355 Heat Pump Thermostat

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Wiring Diagrams

The following is just a sample of the most common types of HVAC systems. Refer to your system’s installation manual for wiring information.

CARRIER LOW VOLTAGE TERMINAL BOARD

APRILAIRE MODEL 8355 HEAT PUMP THERMOSTAT CONVERSION TO CARRIER

SPLIT SYSTEM CONDENSORS AND HEAT PUMP SYSTEMS

APRILAIRE MODEL 8355 HEAT PUMP THERMOSTAT

R Y1 O B G E W2 L C Y2

24 VAC, RETURN

R

COMPRESSOR CONTACTOR

Y

REVERSING VALVE [COOLING MODE]

O

FAN CONTACTOR CIRCUIT

G

EMERGENCY HEATING CIRCUIT

E

2ND. STAGE HEATING CIRCUIT

W2

SYSTEM MONITOR LED

L

24 VAC, COMMON

C

W3

THE LOW VOLTAGE TERMINAL DESIGNATIONS AND THEIR DESCRIPTION AND/OR FUNCTION ARE USED ON ALL SPLIT SYSTEM CONDENSORS AND HEAT PUMPS

COLEMAN LOW VOLTAGE TERMINAL BOARD

APRILAIRE MODEL 8355 HEAT PUMP THERMOSTAT CONVERSION TO

ROBERT SHAW 3000 SERIES HEAT PUMP SYSTEMS

APRILAIRE MODEL 8355 HEAT PUMP THERMOSTAT

R Y1 O B G E W2 L C Y2

24 VAC, RETURN

R

COMPRESSOR CONTACTOR

Y

REVERSING VALVE [HEATING MODE]

B

FAN CONTACTOR CIRCUIT

G

EMERGENCY HEATING CIRCUIT

E

2ND. STAGE HEATING CIRCUIT

W2

SYSTEM MONITOR LED

L

24 VAC, COMMON

X

O

THE LOW VOLTAGE TERMINAL DESIGNATIONS AND THEIR DESCRIPTION AND/OR FUNCTION ARE USED ON ALL SPLIT SYSTEM CONDENSORS AND HEAT PUMPS

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Contents Model Replacing Existing Thermostat FeaturesMark placement of mounting holes. See . Set base aside Installing the Model 8355 ThermostatRemove the cover using a coin or screwdriver Secure base to wall with supplied screws Programming Guide Changing Fahrenheit F to Celsius C Energy Efficient RecoverySimple Programming Mode Press SET To change Morn time Setting Daily ProgrammingBegin Programmed Operation Manual Operation ResetTemporary Program Override To Test Thermostat LED IndicatorsPress the button until the temperature Put the COOL-OFF-HEAT-EM switch into the Heat positionTroubleshooting Aprilaire Model 8355 Heat Pump Thermostat Wiring DiagramsCYC 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.