TYPICAL SYSTEM WIRING DIAGRAM

HOT

(LINE)

120 VAC

TH

24 VAC

 

50A55

 

COOL

 

HEAT

 

PARK

 

PARK

 

LINE

 

XFMR

 

EAC

 

HUM

 

IND

 

IGN

HUMIDIFIER

 

 

CIR N

 

LINE N

 

XFMR N

ELECTRONIC

HUM N

EAC N

AIR CLEANER

 

 

Y

 

W

 

G

 

R

 

C

 

PS

 

HLI

FLAME

HLO

SENSOR

FP

PROBE

RO1

 

GND

 

RO2

 

MV

 

MV

 

TR

 

TH

LEGEND

Low Voltage (24 VAC)

Line Voltage (120 VAC)

N. C. = Normally closed switch

N. O. = Normally open switch

NEUTRAL

(LINE)

24 VAC CLASS II TRANSFORMER

TR

CIRCULATOR

BLOWER

INDUCER

IGNITOR

Y

WCOMPRESSOR

CONTACTOR

G

R

THERMOSTAT

PRESSURE SWITCH (N. O.)

HIGH LIMIT

AUX. HIGH

(N. C.)

LIMIT (N. C.)

ROLLOUT

 

 

 

 

(N. C.)

 

GAS

 

 

VALVE

 

 

 

4

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White Rodgers 50A55-285 installation instructions Typical System Wiring Diagram

50A55-285 specifications

The White Rodgers 50A55-285 is a versatile and reliable universal thermostat designed for HVAC systems. Ideal for both residential and commercial applications, it is engineered to enhance comfort while optimizing energy efficiency. This model is especially favored for its adaptability to a range of heating and cooling systems, including gas, oil, electric, and heat pumps.

One of the standout features of the 50A55-285 is its compatibility with a variety of HVAC systems, which includes multi-stage heating and cooling. This versatility allows homeowners to seamlessly integrate the thermostat into their existing setups, making it a popular choice for retrofit installations. The thermostat supports 24V AC applications while providing the necessary control for both single-stage and multi-stage units.

The 50A55-285 utilizes advanced technology to ensure precise temperature control. It includes an advanced microprocessor that provides improved performance and a user-friendly experience. This technology aids in reducing energy consumption while maintaining the desired temperature within the home or commercial space.

Users will appreciate the easy-to-read LCD display, which offers clear visual feedback on temperature settings and system status. The backlit display enhances readability even in low-light conditions. The intuitive interface comes equipped with simple navigation buttons, allowing users to program settings with minimal effort.

Energy efficiency is another hallmark of the 50A55-285. It features programmable options that enable homeowners to set their desired temperature according to specific schedules, further optimizing energy use. Users can easily program daily and weekly schedules, ensuring the system only operates when needed, which can lead to substantial cost savings on energy bills.

Safety is a critical aspect of the 50A55-285’s design; it incorporates features such as adjustable temperature limits and a built-in safety shut-off function. These characteristics safeguard against system malfunctions and enhance users’ peace of mind.

Overall, the White Rodgers 50A55-285 thermostat is a sophisticated solution for temperature control. Its compatibility with various systems, user-friendly features, and energy-saving capabilities make it an outstanding choice for anyone looking to improve their comfort and efficiency in heating and cooling. Whether for a residential or commercial application, this thermostat stands out as a reliable choice in modern HVAC technology.