SPECIFICATIONS

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

Max. Input Current @ 25 VAC: 0.455 amp Relay Load Ratings:

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

Ignitor Relay: 2.0 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:

2 sec

Flame Failure Response Time:

2 sec

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)

 

50A62-820

 

 

PRE-PURGE

15

 

 

TRIAL FOR IGNITION

4

PERIOD

 

 

 

IGNITION ACTIVATION

4

PERIOD

 

 

 

RETRIES

4 times

 

 

VALVE SEQUENCE

12

PERIOD

 

 

 

INTERPURGE

15

 

 

POST-PURGE

5

 

 

LOCKOUT TIME

122

 

 

HEAT DELAY-TO-FAN-ON

45

 

 

HEAT DELAY-TO-FAN-OFF*

60/90/

 

120/180

 

 

COOL DELAY-TO-FAN-ON

0

 

 

COOL DELAY-TO-FAN-OFF

0

 

 

IGNITOR WARM-UP

20

 

 

HUMIDIFIER

YES

 

 

ELECTRONIC AIR

YES

CLEANER

 

 

 

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

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White Rodgers 50A62-820 Operating Temperature Range, Humidity Range, Mounting, Timing Specifications

50A62-820 specifications

The White Rodgers 50A62-820 is a highly regarded, multi-stage thermostat designed to deliver precision comfort control in various HVAC systems. With its advanced features and reliable performance, it has become a popular choice among both homeowners and HVAC professionals.

One of the primary features of the 50A62-820 is its compatibility with a wide range of heating and cooling systems. This includes gas, oil, and electric furnaces, as well as heat pumps and air conditioning systems. Its versatility makes it suitable for many applications, ensuring that users can maintain optimal climate control in their homes or facilities.

The thermostat utilizes a user-friendly interface that simplifies operation. Its digital display clearly shows the current temperature and system settings, enabling easy monitoring and adjustments. This interface often includes intuitive buttons or touch screen functionality, allowing users to navigate through settings with ease.

A standout characteristic of the White Rodgers 50A62-820 is its programmable capabilities. Users can easily schedule temperature settings for different times of the day or week, which can lead to significant energy savings. For instance, homeowners can program the thermostat to lower temperatures during the night or when the house is unoccupied, contributing to enhanced energy efficiency without sacrificing comfort.

Another technological advantage of the 50A62-820 is its ability to manage multi-stage heating and cooling systems. This allows the thermostat to regulate the temperature more effectively, responding to changes in indoor and outdoor conditions with precision. Multi-stage systems can help to maintain consistent temperatures and improve overall energy efficiency.

The 50A62-820 is also designed with advanced safety features. It includes built-in temperature limit settings, helping to prevent overheating and ensuring that the HVAC system operates within safe parameters. Additionally, many models offer diagnostic capabilities, allowing users to identify issues and perform maintenance more efficiently.

Durability is a notable characteristic of the White Rodgers 50A62-820. Its construction is designed to withstand a variety of environmental conditions, making it a reliable choice for both residential and commercial installations.

In conclusion, the White Rodgers 50A62-820 thermostat is a sophisticated, versatile option for managing climate control in various environments. With its programmable features, compatibility with multi-stage systems, user-friendly design, and advanced safety technologies, it provides homeowners with a practical solution for enhancing comfort while promoting energy efficiency.