II. OPERATING INSTRUCTIONS

Models HUMD300A and HUMD500A with Automatic Humidifier Control: (Manual Humidifier Control-see pg 4)

Your Automatic Humidifier Control is installed in the cold air return. During the first heating season, your Automatic Humidifier Control needs to be set initially to match your home’s condition. Please follow these steps when adjusting your control (refer to Figure A).

1.Turn the dial setting knob to “5,” which is within the normal range. During the next 24-48 hours it may be necessary to adjust the dial for more or less humidity, depending on your personal comfort and home’s requirements. Refer to the “Operation Guide” (Table 1).

2.During the coldest portion of the first heating season, minor adjustments may be necessary. This is dependent upon your individual home construction, refer to the “Operation Guide” (Table 1).

TABLE 1 – Operation Guide

Condition

Solution

Condensation on windows

Reduce the setting on the control dial

 

by 1 increment.

Lack of humidity

Increase the setting on the control dial

 

by 1 increment.

Humidifier does not operate

Turn dial to “Test.” Make certain furnace

 

and blower are operating. If unit still

 

doesn’t operate, consult your air

 

conditioning and heating dealer.

 

 

Humidifier won’t shut off

Turn dial to “Off.” If unit continues to

 

operate, consult your air conditioning

 

and heating dealer.

Test mode

System operation is checked by setting the

 

knob to “Test.” Make certain furnace and

 

blower are operating. Humidifier will

 

operate for one minute.

 

 

The relative humidity in your home will now be accurately controlled to meet your needs and should not need further adjustment during future heating seasons. Make note of the dial setting in the event you temporarily move the knob when performing annual maintenance of the Humidifier.

FIGURE A

 

 

 

 

 

7

 

 

 

A

L

6

 

 

M

 

 

O

R

5

 

 

 

 

 

 

N

 

 

 

 

 

 

 

4

 

3

 

2

1

 

T e

s t

Off

Humidity Level

- 3 -

Page 4 Page 6
Page 5
Image 5
American Standard 200A, 500A, 300A owner manual II. Operating Instructions, Operation Guide
Page 4 Page 6

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.
Top Page Image Contents