Honeywell He440, He440a, He440a1005, He440a1003, He420b Product Data

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HE420A Steam Power Humidifier

FEATURES

• Humidifies the air without a call for heat from the thermostat so relative humidity fluctuates less, optimizing homeowner comfort.

• Ideal for homes with extensive woodwork, hardwood floors, antiques, oil paintings, leather furniture, pianos, and fine collectibles.

• Capable of humidifying a large area.

• Compact size allows easy installation.

• Minimal amount of water needed for energy efficient operation.

• Low water cut-off switch and built-in overflow

APPLICATION

The HE420A Steam Power Humidifier uses a thermal fan interlock control to provide humidification for the whole house. The steam power humidifier is designed to work with high efficiency furnaces, heat pumps and set back thermostats.

protection are integral safety features.

• Automatic Flushing Timer reduces frequency of maintenance in a hard water installation.

PRODUCT DATA

Contents

Application ........................................................................ 1

Features............................................................................ 1

Specifications.................................................................... 2

Ordering Information......................................................... 2

Installation......................................................................... 3

Wiring................................................................................ 4

Plumbing Humidifier.......................................................... 4

Set Water Level ................................................................ 5

Finish Mounting and Plumbing Humidifier ........................ 5

Installing Automatic Flushing Timer ................................. 5

Checking the Installation................................................... 5

Operating the Humidifier................................................... 5

Operation .......................................................................... 6

Maintenance ..................................................................... 6

Checkout Procedures ....................................................... 7

Troubleshooting ................................................................ 7

Replacement parts............................................................ 8

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HE420A STEAM POWER HUMIDIFIER

SPECIFICATIONS

Capacity:

HE420A: 13 gallons per day (gpd) or 49 liters per day (lpd).

Humidified Area:

For precise sizing and product selection, refer to Table 1.

Internal Heating Source:

Incoloy® sheathed element: HE420A: 120 Vac, 1.5 kW, 12.5A.

Duct Opening (Height x Width):

8 in. x 10 1/2 in. (203 mm x 267 mm).

Dimensions:

Refer to Fig. 1.

11-7/8 (302)

12-5/8 (321)

HUMIDIFIER

HUMIDIFICATEUR

6 (152)

Approvals:

Underwriters Laboratories Inc.: Listing 42U8. Canadian Underwriters Laboratories Inc.: Listing 42U8.

Models:

HE420A TRADELINE® Steam Power Humidifier package

includes mounting bracket and hardware, Automatic Humidity Control, Automatic Flushing Timer with chlorine removal filter.

Table 1. Size Of Area That Can Be Humidified.

HE420A Area

(Up To)

House

Description

Air Changes

Per Hour

Sq. ft Sq. m

Loose Two 1,415 131

Average One 1,970 183

Tight One-half 3,095 288

7-5/8 (194)

9 (229)

12-1/2 (318)

M10534B

Fig. 1. Dimensions of HE420A in. (mm).

ORDERING INFORMATION

When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the TRADELINE® Catalog or price sheets for complete ordering number.

If you have additional questions, need further information, or would like to comment on our products or services, please write or phone:

1. Your local Honeywell Automation and Control Products Sales Office (check white pages of your phone directory).

2. Honeywell Customer Care

1985 Douglas Drive North

Minneapolis, Minnesota 55422-4386 In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Toronto, Ontario M1V 4Z9. International Sales and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France, Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A.

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INSTALLATION

IMPORTANT

Read all the installation instructions before installing the humidifier.

Select Location and Mount

There are three typical ways of mounting the steam humidifier:

• horizontally under at least a 10 in. (254 mm) wide duct using the mounting bracket (preferred mounting);

• horizontally under a reinforced duct;

• horizontally under a duct extension using the mounting bracket.

Decide which mounting is appropriate and follow those mounting instructions. See Fig. 2 through 4.

Select a location where the humidifier can be plugged in without an extension cord. The preferred installation location is on the warm air side of the furnace. If that location is not possible, mount the humidifier a minimum of 6 ft (1.8m) upstream from the furnace filter. Depending on the location selected, additional duct reinforcement may be necessary because the humidifier weighs 18 lb. when filled with water.

HE420A STEAM POWER HUMIDIFIER

R E I

IC F I

I M U

M10580B

Fig. 4. Mounting humidifier horizontally under duct

extension using mounting bracket.

H U

M I

D IF

A T E

U R

M10536B

Fig. 2. Mounting humidifier horizontally under duct using

mounting bracket.

H UM

IDIFIER H UM

IDIFICATEUR

WARNING

Electrocution, Heavy Equipment and Chemical Hazard. Can cause death, blindness, water damage to home and heater failure.

• Do not cut into any air conditioning or electrical line.

• Mount the humidifier in a level position to avoid water damage and heater failure.

• Wear safety glasses when cutting or drilling.

• Reinforce duct as necessary to ensure stability.

CAUTION

Steam Condensation, Fire and Freezing Water Hazard. Can cause failure of fan or limit control or result in water damage to home.

• Do not install the humidifier where the sidewalls of the return air duct are constructed of wood (i.e., floor joist).

• Do not install the humidifier where the temperature is lower than 32°F (0°C) or higher than 200°F (93°C).

Mount Horizontally Using Mounting Bracket (Preferred Mounting Method)

M10578B

Fig. 3. Mounting humidifier horizontally under duct.

IMPORTANT

The duct must be at least 10 in. (254 mm) wide to use this mounting method.

The duct is the strongest when using the bracket mounting method because the least amount of duct reinforcement is required because of the bracket location. However, reinforcement may still be necessary to help support the weight of the humidifier and keep it level.

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