White Rodgers 50A65-843 installation instructions Typical System Wiring Diagram

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TYPICAL SYSTEM WIRING DIAGRAM

HOT

(LINE)

TH

INDUCER

HUMIDIFIER

ELECTRONIC

AIR CLEANER

FLAME

SENSOR

PROBE

LEGEND

Low Voltage (24 VAC)

Line Voltage (120 VAC)

N. C. = Normally closed switch

N. O. = Normally open switch

NEUTRAL

(LINE)

120 VAC

24 VAC CLASS II TRANSFORMER

24 VAC

TR

 

50A65-843

 

 

COOL

 

 

HEAT

 

CIRCU-

PARK

 

LATOR

PARK

 

BLOWER

LINE

 

 

XFMR

 

 

EAC

 

 

HUM

 

 

IND

 

 

IGN

IGNITOR

 

IND N

 

IGN N

 

 

CIR N

 

 

LINE N

 

 

XFMR N

 

 

HUM N

 

 

EAC N

 

 

Y

Y

 

W

W

COMPRESSOR

 

 

CONTACTOR

G

G

 

R

R

 

C

THERMOSTAT

 

 

 

E33

PRESSURE SWITCH (N. O.)

 

PS

 

 

HLI

 

 

HLO

HIGH LIMIT

AUX. HIGH

FP

(N. C.)

LIMIT (N. C.)

RO1

 

 

GND

 

GAS

RO2

 

MV

 

VALVE

MV

 

 

TR

 

 

TH

 

 

4

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Contents Installation Instructions PrecautionsContents DescriptionSpecifications Timing SpecificationsElectrical Ratings @ 77F 25C Humidity RangeInstallation Mounting and WiringTypical System Wiring Diagram Typical System Wiring Table Terminal System Component Type ConnectionOperation Option Switches Heat ModeCool Mode Manual FAN on ModeSystem Lockout Features System Lockout Diagnostic FeaturesDiagnostic Features Mounting Hole Template For Mounting Hole Locations

50A65-843 specifications

The White Rodgers 50A65-843 is a sophisticated and reliable universal gas valve designed for gas-fired heating systems. It is widely praised for its versatility and performance across a variety of residential and commercial applications. One of its main features is its ability to accommodate both natural gas and propane, allowing homeowners and installers flexibility in fuel choice. The 50A65-843 also supports various types of heating systems, including furnaces, boilers, and other gas appliances.

A key technological highlight of the White Rodgers 50A65-843 is its microprocessor-based control. This advanced technology enables precise regulation of gas flow and enhanced ignition control, ensuring optimal efficiency and safety in operation. The valve is equipped with an integrated flame sensing system, which continuously monitors the flame presence and adjusts gas flow accordingly. This not only improves the unit's reliability but also contributes to energy savings and reduced emissions.

The valve is designed with user-friendly features that simplify installation and maintenance. The standardized dimensions and connection configurations make it compatible with a wide range of existing systems, reducing the need for extensive retrofitting. Additionally, color-coded wiring and clear labeling facilitate quick and easy electrical connections, making it an ideal choice for HVAC technicians.

The 50A65-843 also boasts a high level of durability and robustness. It is built with premium materials that can withstand harsh operating conditions, ensuring a long service life. The unit has been rigorously tested for performance and reliability, meeting or exceeding industry standards.

Moreover, the White Rodgers 50A65-843 includes safety features such as a redundant safety shut-off. This feature is critical in preventing gas leaks and ensuring user safety by shutting off gas flow in the event of a malfunction.

In summary, the White Rodgers 50A65-843 gas valve is a versatile and highly efficient component that is easy to install and maintain. Its advanced control technologies, safety features, and robust construction make it a preferred choice for both professionals and homeowners looking for reliable heating solutions. With its proven performance and adaptability, the 50A65-843 continues to set a high standard in the HVAC industry.