Related Manuals for Aprilaire 300
Summary of Contents for Aprilaire 300
- Page 1 Humidifier OWNER’S MANUAL Models 300, 400, 400M, 500, 500M, 600, 600M, 700, & 700M Product Info & Digital Manual READ AND SAVE THESE INSTRUCTIONS...
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Page 2: Table Of Contents
Check the Humidifier Operation – Manual Humidifier Control 11 OPERATING INSTRUCTIONS – MODEL 300 12 Check the Humidifier Operation –... -
Page 3: Introduction
Talk with your AprilAire Healthy Air Professional to learn more. Your humidifier will require periodic maintenance to assure continued peak performance. -
Page 4: Principle Of Operation
Model 300), drawn through a water panel, to turn the water into vapor. The Model 300 must use hot supply water, up to 140°F (60°C), as a heat source for evaporation to occur, independent from an HVAC system. Hot supply water is recommended for all AprilAire Evaporative Humidifiers to maximize their effectiveness. - Page 5 Water Panel needs to be replaced and when service is required. See OPERATING INSTRUCTIONS for more information. There are many humidifiers on the market. They all add moisture with varying degrees of efficiency. None, however, offer the features, design, and performance incorporated into your new AprilAire Humidifier.
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Page 6: Operating Instructions - Models 400, 500, 600 & 700
OPERATING INSTRUCTIONS – MODELS 400, 500, 600 & 700 The Automatic Digital Humidifier Control (ADHC) offers two modes of operation, Automatic or Manual. An explanation of both modes follows. (See FIGURE A on page 7 for Automatic mode. See FIGURE B on page 8 for Manual mode.) When in the Automatic mode, this system offers the following benefits: •... -
Page 7: Automatic Mode 7
AUTOMATIC MODE FIGURE A: ADHC (AUTOMATIC MODE) 90-1235 Your AprilAire Digital Humidifier Control is installed in the cold air return duct. During the first heating season, your 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). -
Page 8: Manual Mode
MANUAL MODE FIGURE B: ADHC (MANUAL MODE) 90-1236 When installed in the Manual mode (see FIGURE B – internal switch in MAN position and M in the display), it is important to anticipate a drop in outdoor temperature and reduce the setting accordingly to avoid excessive condensation. - Page 9 CHANGE WATER PANEL INDICATOR The control keeps track of humidifier operation time. The yellow Change Water Panel light flashes after a preset amount of running time has elapsed. This running time is preset by the installer based on the humidifier model and water hardness. Refer to the ANNUAL MAINTENANCE section for instructions on changing the Water Panel or call your HVAC contractor for service.
- Page 10 TABLE 3: OPERATION GUIDE Condition Solution Condensation on Reduce the setting on the control dial by windows. 1 increment. Increase the setting on the control dial by 1 increment. If the humidifier control is already at the maximum setting of 7, set Lack of humidity.
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Page 11: Operating Instructions - Models 400M, 500M, 600M & 700M
FIGURE C: MANUAL HUMIDIFIER CONTROL 90-1237 Your AprilAire Humidifier is controlled by a Manual Humidifier Control (see FIGURE C). The Manual Humidifier Control is installed either in the cold air return duct or on an interior wall of the home. With the... -
Page 12: Operating Instructions - Model 300
OPERATING INSTRUCTIONS – MODEL 300 FIGURE D: MANUAL DIGITAL HUMIDIFIER CONTROL Your AprilAire Humidifier is controlled by a Manual Digital Humidifier Control (see FIGURE D). The Manual Digital Humidifier Control is installed on an interior wall of the home. Just as with the Manual... -
Page 13: Additional Information For All Models 13
Your humidifier is designed to operate using hot, cold, hard, or mechanically softened water. Hot supply water, up to 140°F (60°C), is required for the Model 300 or when using other AprilAire Evaporative Humidifiers in a heat pump application. It is recommended for all models and applications to ensure maximum performance. -
Page 14: Annual Maintenance 14
ANNUAL MAINTENANCE For best performance, we recommend that you replace the Water Panel in your AprilAire Humidifier at least annually with the exception of Models 400 and 400M which should be changed at least twice per heating season. The Change Water Panel indicator light (Digital Control only) will blink when it is time to change your Water Panel. -
Page 15: Periodic Preventative Maintenance 15
PERIODIC PREVENTATIVE MAINTENANCE NOTE: Periodic inspection and preventative maintenance of your total heating system is important for efficient and safe operation. Your HVAC contractor can service your humidifier when they service your HVAC system. All models have a distribution tray above the Water Panel, which should be inspected annually and cleaned of excess mineral deposits. -
Page 16: Required Maintenance Instructions
6. Slide the Water Panel (B) out from the scale control insert (C) and dispose of the Water Panel. Clean the scale control insert of mineral deposits. Replace with a genuine AprilAire Water Panel 35. Slide the Water Panel back into the scale control insert and snap the distribution tray (A) back into the scale control insert. -
Page 17: Models 400 & 400M
Replace tube if it is cracked, brittle, or has been damaged. 9. Slide a new genuine AprilAire Water Panel 45 (G) into the scale control insert/float chamber (H). Snap the distribution tray (E) back on the scale control insert (H). - Page 18 Panel (Water Panel 35 for Models 600 & 600M and Water Panel 10 for Models 500 & 500M) with a new genuine AprilAire Water Panel. Slide the Water Panel back into the scale control insert with the colored spot up and snap the distribution tray (E) back into place.
- Page 19 Panel. Clean the scale control insert of mineral deposits. Replace with a genuine AprilAire Water Panel 35. Slide the Water Panel back into the scale control insert with the colored spot up and snap the distribution tray (D) back into place.
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Page 20: Limited Warranty
Service at 1.800.334.6011 Monday through Friday, 7:00 a.m. – 5:00 p.m. Central Time. At the sole discretion of AprilAire, you may be required to: return the product not later than thirty (30) days after the warranty period to the place of purchase or (if directed) to AprilAire, contact...
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