White Rodgers 50a55-286 Specifications, Operating Temperature Range, Humidity Range, Mounting

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SPECIFICATIONS

ELECTRICAL RATINGS [@ 77°F (25°C)]: Input Voltage: 25 VAC 50/60 Hz

Max. Input Current @ 25 VAC: 0.45 amp Relay Load Ratings:

Valve Relay: 1.5 amp @ 25 VAC 50/60 Hz 0.6 pf

Ignitor Relay: 6.0 amp @ 120 VAC 50/60 Hz (resistive)

Flame Current Requirements:

Minimum current to insure flame detection: 1 μa DC*

Maximum current for non-detection: 0.1 μa DC*

Maximum allowable leakage resistance: 100 M ohms

*Measured with a DC microammeter in the flame probe lead

OPERATING TEMPERATURE RANGE:

-40°to 175°F (-40°to 80°C)

HUMIDITY RANGE:

5% to 93% relative humidity (non-condensing)

MOUNTING:

Surface mount multipoise

 

Timing Specs: (@ 60 Hz**)

 

 

maximum

Flame Establishing Time:

0.8 sec

Flame Failure Response Time:

2.0 sec

**At 50 Hz, all timing specifications should be increased by 20%

Gases Approved: Natural, Manufactured, Mixed, Liquid Petroleum, and LP Gas Air Mixtures are all approved for use.

TIMING SPECIFICATIONS

(All times are in seconds, unless noted otherwise)

 

50A55-286

 

 

PRE-PURGE

0

 

 

INITIAL IGNITOR

17

 

 

RETRY IGNITOR

28

 

 

IGNITION ACTIVATION

5

PERIOD

 

 

 

TRIAL FOR IGNITION

7

PERIOD

 

 

 

RETRIES

2 times

 

 

VALVE SEQUENCE

21

PERIOD

 

 

 

INTERPURGE

15

 

 

POST-PURGE

15

 

 

LOCKOUT TIME

200

 

 

DELAY TO HEAT ON

30

 

 

DELAY TO HEAT OFF*

60/90/

120/180

 

 

 

DELAY TO COOL ON

0

 

 

DELAY TO COOL OFF

45

 

 

AUTO RESET

60 minutes

 

 

HUMIDIFIER

YES

 

 

ELECTRONIC AIR

YES

CLEANER

 

 

 

*This time will vary depending on option switch position. The control is factory-set at 60 sec. delay to heat off. See OPERATION section for further information.

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Contents Description Precautions General PrecautionContents Timing Specifications SpecificationsOperating Temperature Range Humidity RangeMounting and Wiring InstallationTypical System Wiring Diagram GASTypical System Wiring Table Terminal System Component Type ConnectionCool Mode Operation Option SwitchesHeat Mode Manual FAN on ModeDiagnostic Features System Lockout Diagnostic FeaturesSystem Lockout Features LED will also flash once at power-upMounting Hole Template For Mounting Hole Locations

50a55-286 specifications

The White Rodgers 50A55-286 is a highly esteemed thermostat designed for residential heating and cooling systems. Known for its reliability and user-friendly interface, this device integrates cutting-edge technology with versatility that appeals to a wide range of users. The 50A55-286 is particularly recognized for accommodating various HVAC systems, including gas, oil, and electric heating as well as central air conditioning.

One of the most prominent features of the White Rodgers 50A55-286 is its digital display, which provides clear readability of the current temperature settings and system status. The thermostat is equipped with an intuitive user interface that allows users to easily adjust temperatures and settings. The programming capabilities enable users to set distinct temperatures for different times of the day, promoting energy efficiency. This feature not only aids in maintaining comfort but also helps in reducing energy costs by avoiding unnecessary heating or cooling when not needed.

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The technological design of the 50A55-286 adheres to industry standards while ensuring compatibility with most existing systems. The quick-connect terminals facilitate straightforward installation, making it accessible to both experienced technicians and DIY enthusiasts. Moreover, the thermostat's robust construction ensures durability and longevity, even in the face of temperature fluctuations.

Another significant characteristic is the precise temperature control that the White Rodgers 50A55-286 offers. It features an accuracy range that allows for minimal temperature variance, ensuring that users can achieve and maintain their desired indoor environment. The thermostat's energy-saving settings further enhance its appeal, making it an eco-friendly choice for modern-day consumers.

In conclusion, the White Rodgers 50A55-286 thermostat is a well-rounded device, presenting key features such as its user-friendly design, compatibility with various HVAC systems, digital display, customizable programming, and energy efficiency. With its advanced technologies and solid performance, it remains a preferred choice for homeowners seeking reliable climate management solutions.
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