American Standard 500A, 300A, 200A Determine the outdoor temperature, Relative Humidity Guide

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Your Automatic Humidifier, is a high precision system that will accurately maintain the relative humidity in your home. For every 1°F change in outdoor temperature, the control will automatically adjust the indoor relative humidity (RH) by 1/2%. If you would like to determine the RH in your home, follow these steps:

1.Determine the outdoor temperature.

2.Activate the furnace blower by setting your thermostat fan switch to the “On” position, or setting your thermostat to a higher temperature.

3.Turn the control dial setting to the “Off” position. Then, slowly turn the dial clockwise until you hear the solenoid valve “click on.” Next, slowly turn the dial counter clockwise until you hear the solenoid valve “click off.” At this point, make note of the dial setting.

4.Locate your dial setting on Table 2. Follow the dial setting to the right until it intersects with the current outdoor temperature. This is the relative humidity in your home under existing conditions.

5.Return the thermostat and the Humidifier Control to their original settings.

TABLE 2 – % Relative Humidity Guide

Outdoor Temperature (°F)

Dial Setting

 

-10

0

10

20

30

40

 

 

 

 

 

 

 

1

10

10

10

15

20

25

 

 

 

 

 

 

 

2

10

10

15

20

25

30

 

 

 

 

 

 

 

3

10

15

20

25

30

35

 

 

 

 

 

 

 

4

15

20

25

30

35

40

 

 

 

 

 

 

 

5

20

25

30

35

40

45

 

 

 

 

 

 

 

6

25

30

35

40

45

45

 

 

 

 

 

 

 

7

30

35

40

45

45

45

 

 

 

 

 

 

 

As an example, if the outdoor temperature is 20°F, and, following step 3,

the humidifier turns off at “5” on the dial range, then the RH in your home is 35%.

The Automatic Humidifier will accurately control the humidity in your home to a maximum of 45% RH and a minimum of 10% RH. The values of outdoor temperature and dial settings may fall in between or outside of the listed values in Table 2. In these cases, you can only approximate your home’s actual indoor RH.

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Contents Humidifiers Table of Contents Introduction How Your Humidifier OperatesYour Humidifier Important Notes About Your HumidifierII. Operating Instructions Operation GuideDetermine the outdoor temperature % Relative Humidity GuideOutside Temperature Recommended RH Outdoor-Indoor Relative HumidityIII . Effect of Water Characteristics Additional InformationIV. Annual Maintenance Annual Summer ShutdownVI. Periodic Preventive Maintenance Inspection and Service InstructionsSet humidifier or control to its original position Humidifier Model *HUMD500A Limited Warranty Humidifier HUMD0200A, 300A, 500AService and Humidifier PAD Replacement Record

200A, 300A, 500A specifications

The American Standard 500A, 300A, and 200A series are highly regarded heating and cooling systems known for their efficiency, reliability, and innovative technology. These models are designed to provide optimal comfort while also emphasizing energy savings, making them ideal for residential HVAC applications.

The American Standard 500A is a top-tier model in the lineup, featuring advanced variable-speed compressors that allow for precise temperature control and quieter operation. This system utilizes the latest in inverter technology, enhancing energy efficiency by adjusting the compressor speed according to the home’s cooling needs. The 500A is also equipped with a high SEER (Seasonal Energy Efficiency Ratio) rating, showcasing its ability to reduce energy consumption and lower utility bills. Additional features include a durable, corrosion-resistant cabinet that extends the lifespan of the unit and ensures reliable performance in various weather conditions.

Moving down the line, the American Standard 300A series offers a blend of performance and affordability. This model features a two-stage compressor that balances comfort with energy efficiency. With a mid-range SEER rating, the 300A is adept at meeting household cooling demands while providing savings on energy bills. It incorporates a quiet operation design, making it suitable for use in residential areas. The 300A also employs a multi-position installation option, allowing for flexibility in placement and making it easy to integrate into existing HVAC systems.

The entry-level option, the American Standard 200A, is designed for budget-conscious consumers who still seek reliability and comfort. This model features a single-stage compressor, making it a straightforward and easy-to-use option. The 200A, while less complex than its higher-end counterparts, still delivers solid performance and decent energy efficiency. Its construction is robust, ensuring longevity and dependable service even in challenging weather conditions. The 200A is particularly favored by homeowners looking for a no-frills solution without sacrificing quality.

All three models in the American Standard series are designed with user-friendly controls and smart technology compatibility, allowing homeowners to maintain efficient climate control easily. Whether it's the advanced features of the 500A, the balanced performance of the 300A or the straightforward design of the 200A, American Standard provides a range of options to meet diverse heating and cooling needs, making them a go-to choice for many American households.
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