Instruction/ maintenance manual of the product 500A American Standard
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READ AND SA VE THESE INSTRUCTIONS HUMIDIFIERS OWNER’S MANUAL Includes Safety & Operating Instructions and W arranty Information For Models *HUMD200A, 300A, 500A 10006174 B2203330A 5.
- 00 - T ABLE OF CONTENTS WARNING 120 volts may cause injury from electrical shock. Disconnect power and shut off water supply before servicing. CAUTION Sudden operation may cause personal injury or property damage. Turn humidistat or Humidifier Control to “OFF” or lowest setting before servicing Introduction .
- 1 - Replacement Humidifier Pads are available from your installing dealer. Thank you for your recent purchase of our humidifier. The addition of this product to your heating and cooling system will increase your level of comfort by adding just the right amount of moisture to your indoor environment.
- 2 - Your new humidifier has been installed to operate in conjunction with the blower motor in your furnace. When the Humidifier Control calls for humidity and the blower motor is operating, water flows to the distribution tray located at the top of the unit.
- 3 - TABLE 1 – Operation Guide 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.
- 4 - 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 %.
- 5 - To check the humidifier’s operation, note the current setting and set the Automatic Humidifier Control to the test mode when the furnace blower motor is operating. Water will flow into the humidifier for 1 minute and then it will turn off. This insures the unit is operating properly.
- 6 - III . EFFECT OF WA TER CHARACTERISTICS To check the humidifier operation, set the humidifier control above the click point, make sure that the water saddle valve is open and that there is electricity to the unit. Generally, the furnace and blower motor must be operating for the humidifier control to function.
- 7 - IV . ANNUAL MAINTENANCE V . ANNUAL SUMMER SHUTDOWN For best performance, we recommend that you replace the Humidifier Pad in your Humidifier annually. To obtain a replacement: • Call the installer of your humidifier. This information is often found on your equipment.
- 8 - VI. PERIODIC PREVENTIVE MAINTENANCE NOTE: Periodic inspection and preventive maintenance of your total heating system is important for efficient and safe operation. Your heating dealer should perform humidifier service at the same time. All models are equipped with an in-line water strainer and orifice as shown below.
MAINTENANCE INSTRUCTIONS for HUMIDIFIER MODELS *HUMD200A, *HUMD300A Sudden operation may cause personal injury or property damage. Turn humidistat or humidifier control to “OFF” or lowest setting before servicing. 1. Front C 2. Drain H 3. Bypass 4.
Sudden operation may cause personal injury or property damage. Turn humidistat or Humidifier Control to “OFF” or lowest setting before servicing. - 10 - 1. Note Humidifier Control setting and turn dial to the “OFF” position. 2. Disconnect electrical power and turn off water supply.
- 11 - (First letter may be preceded by an “A” or “T”) (Parts Only) This limited warranty is extended by American Standard Inc., to the original purchaser and to any succeeding owner of the real property to which the humidifier is originally affixed, and applies to products purchased and retained for use within the U.
Date Dealer Name SERVICE AND HUMIDIFIER P AD REPLACEMENT RECORD.
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Printed in U.S.A..
An important point after buying a device American Standard 500A (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
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If you already are a holder of American Standard 500A, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime American Standard 500A.
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