BEMIS 4D7 800 Guida

Printed in U.S.A

READ AND SAVE THESE INSTRUCTIONS

586 4150 Rev.4/04

French and Spanish

instructions included.

Se incluyen instrucciones

en Español y Francés.

Directives en français et

en espagnol compris.

Evaporative

Humidiﬁer

OWNERS

CARE

USE

MANUAL

Models:

4D7 800 White, Variable-Speed Digital

with Air Care® Filter

497 800 White, Variable-Speed

with Air Care® Filter

497 300 Light Oak, Variable-Speed

with Air Care®Filter

4D6 800 White, Variable-Speed Digital

496 800 White, Variable-Speed

447 401 Mahogany Burl, Four-Speed

with Air Care®Filter

447 301 Mahogany, Four-Speed

with Air Care®Filter

427 300 Oak Burl, Two-Speed

with Air Care®Filter

SAVE THE ENVIRONMENT

RECYCLE APPROPRIATE MATERIALS

Patents: 5,037,583; 5,110,511; 5,133,904

Other Patents Pending

To order parts and accessories call 1-800 547-3888

Important Safeguards

READ BEFORE USING YOUR HUMIDIFIER

1) This appliance has a polarized plug (one blade is wider than the other). To

reduce the risk of electric shock, this plug is intended to ﬁt into a polarized

120-volt AC,15-amp outlet, only one way. If the plug does not ﬁt fully in

the outlet, reverse the plug. If it still does not ﬁt, contact a qualiﬁed electri-

cian. Do not attempt to defeat this safety feature. If an extension cordmust

be used, it should also accept the wide blade plug and meet this electrical

rating.

2) Do not place the cord under rugs, in trafﬁc areas, or near heat sources.

3) Do not use the humidiﬁer if the cord is damaged.

4) Always unplug the power cord before cleaning, servicing, or

when the unit is not in use.

5) Do not place the humidiﬁer near loose drapes, combustible materials, or

heat-producing objects.

6) This humidiﬁer is UL approved with Bemis by Essick Air brand evaporative

wicks in place. To maintain your UL rating, see your service center for all

repairs. Use only Bemis by Essick Air brand replacement wicks and chemi-

cals. To order parts, wicks, and chemicals call 1-800-547-3888.

7) Regular cleaning is recommended. Refer to the CARE & MAINTENANCE

section in this manual.

8) It is very important that cleaning solutions and other liquids, such as

bleach, which may be used to clean the cabinet are not sprayed or

applied to the power pak/chassis assembly. These cleaning solu-

tions can cause a serious electrical malfunction of the humidiﬁer.

Introduction

Your Bemis by Essick Air evaporative humidiﬁer adds invisible moistureto your

home by moving dry inlet air through a saturated wick. As air moves through

the wick, the water evaporates into the air, leaving behind any white dust,

minerals or dissolved and suspended solids. Because the water is evaporated,

there is no messy mist or spray, and no white dust, just clean and invisible

moist air.

As the wick traps accumulated minerals from the water, its ability to absorb

and evaporate water decreases. We recommend changing the wick at least

once a year,preferably disposing of the used wick at the end of the humidify-

ing season and starting with a new one at the beginning of the next humidify-

ing season. In hard water areas, more frequent replacement may be necessary

to maintain your humidiﬁer's efﬁciency.

NOTICE: We recommend using Bemis by Essick Air Bacteria Treatment,

whenever you reﬁll the water bottles to eliminate bacteria growth. Follow

the directions to determine the proper amount to be added to the 2.75 gallon

water bottles.

The evaporative wick does not require the use of chelating agent type water treat-

ments that are intended for use in Rotobelt or Water Wheel type humidiﬁers.

Your humidiﬁer is equipped with two water bottles. When both bottles have

emptied, the humidiﬁer fan will automatically shut off and the "Reﬁll Water

Bottles" message will light. The unit will start again automatically when the

water bottles are reﬁlled. The right bottle will empty ﬁrst. If it does not do so,

the humidiﬁer may not be level.

Dry air is drawn into the

humidiﬁer through the back

and moisturized as it passes

through the evaporative wick.

It is then fanned out into the

room.

1. Water bottles

2. Chassis/Power pak

(motor

and fan assembly)

3. Evaporative wick

4. Water channel/tray

5. Dry room air intake

6. Moist air output

Locate your humidiﬁer on an inside wall, near an electrical outlet. The humidiﬁ-

er should be at least 4" away from the wall for best results. Do not position the

unit directly in front of a hot air duct or radiator.

Assembly and Operation

1) Unpack humidiﬁer from carton.

2) Remove all packaging materials. Check to see that you have all of the fol-

lowing items before discarding packaging:

Fill hose Cord Set

Evaporative wick Two end covers

Two water bottles with caps Caster kit

Air Care ﬁlter if unit is an Air Care model

NOTICE: The wick and Air Care ﬁlter are packaged to prevent breakage

in shipping. They must be removed from the unit and correctly installed

according to these instructions prior to operation to prevent damage to

the unit.

CASTERS

3) Remove the water bottles, chassis and evaporative wick from the base of

the humidiﬁer. Turn the base of the empty humidiﬁer upside down. Insert

the caster stem into the large caster holes in the four corners of the humidiﬁ-

er bottom. The casters should ﬁt snugly and be inserted as far as possible.

Do not force. When all four casters are in place, turn the unit right side up.

EVAPORATIVE WICK

4) The wick has a mounting rib on

the top edge which hooks over a rib

at the inside back of the cabinet. This

allows the wick to hang in the water

channel (see illustration). Hang evapo-

rative wick into cabinet as shown.

AIR CLEANING FILTER (Models

4D7 800, 497 800, 497 300,

447 401, 447 301 & 427 300)

5) The Air Care ﬁlter has four tangs that

engage into four keyhole slots that

mount the Air Care ﬁlter onto the out-

side of the back of the cabinet.

CHASSIS/POWER PAK

6) Place the chassis/power pak unit into the cabinet ensuring that

chassis/power pak seats correctly onto the front and back edges of the

cabinet.

BOTTLES

7) Fill the bottles with cool, fresh, preferably unsoftened water. If you

have only softened water available in your home, you may use it, but you

will notice a buildup of minerals on the wick much sooner. The bottles hold

2.75 gallons each. When ﬁlling the bottles, be careful not to pressurize

them by over ﬁlling. Bottle damage can result from this. To reduce carrying

weight, the bottle may be partially ﬁlled and unit will still operate properly.

A ﬁll hose is provided with your humidiﬁer which will ﬁt most faucets.

8) We recommend using Bemis by Essick Air

Bacteria treatment whenever you reﬁll the

water bottles to eliminate bacterial growth.

Add bacteriostat according to the instructions on the bot-

tle and then tighten the valve caps on your water bottles.

9) Place water bottles into the humidiﬁer with the valve cap

end down and to the back of the humidiﬁer so that the

valve cap enters the water channel, aligning with the

“post” in the cabinet.

10) Place the end covers over the water bottles.

11) Plug cordset into interlock receptacle on back of unit.

12) Plug cordset into wall receptacle. Humidiﬁer is now ready

for use.

CONTROLS (Models 497 800, 497 300, 496 800,

447 401, 447 301, 427 300)

FAN SPEED

13) Open control panel door by lifting with your ﬁnger under

the ﬁnger tab. Depending on which model you have, you

will have a choice of two, three, four or variable fan

speeds allowing you to use a low setting for the most

quiet operation or a high setting for maximum output.

HUMIDITY SETTING

14) All models have an automatic humidistat. The humidistat

will turn the humidiﬁer on when the relative humidity in

your home is below the humidistat setting and will turn

the humidiﬁer off when the relative humidity reaches the

humidistat setting. For initial operation set the humidistat

in the "comfort zone" and adjust up or down from there

to achieve the desired humidity level. Turning the varia-

blespeed humidistat all the way counterclockwise will

turn the unit off regardless of the relative humidity. This

must be turned on again before the unit will work.

REFILL LIGHTS

15) The “Reﬁll Bottles” indicator will light, and the motor

will turn off when the bottles are empty. The right bottle

will empty ﬁrst, then the left bottle. If the “Reﬁll Light”

comes on, and the right bottle has not emptied, raise

the right side of the unit until it is level.

CONTROLS (Model 4D7 800, 4D6 800 Digital Humidistat)

16) Models 4D6 800 and 4D7 800 are equipped with a multi-speed fan con-

trol switch. Use the lower settings for quiet operation, and the higher set-

tings for maximum output. These models have a digital humidistat with LCD

display. The room’s Relative Humidity (% RH) is displayed at the top and

the desired humidity level is displayed at the bottom. The desired humidity

level can be manually adjusted between 30 and 90%, using the “Set

Humidity” button. 45% RH is the suggested initial setting.

17) The automatic humidistat will turn the humidiﬁer ON when the relative

humidity in your home is below the humidistat setting and will turn the

humidiﬁer OFF when the relative humidity in the room exceeds the

humidistat setting by 6% R.H. This will reduce rapid cycling. When the

humidiﬁer is running, you will feel cool, invisible, humid air exiting from

the outlet grill.

18) When ﬁrst plugged in, the display will show the current % Room Humidity

and will default to 45% Set Humidity. If there is no water in the cabinet, the

red “Reﬁll” indicators will be lit and the fan motor will not run. Fill both

water bottles, following the “Filling Water Bottles” instructions. When the

bottles have been ﬁlled, the LCD display will initiate with a segment display

test, the Room and Set humidity % will be displayed, and the fan speed

will be shown as OFF.

FAN SPEED

19) The fan speed can be set to the desired airﬂow level by pressing the “Set

Speed”, (left), button. The Green power indicator will be lit. To increase fan

speed, repeatedly press the “Set Speed” button. A bar segment indicator at

the left side of the display will indicate increasing fan speed. After the

HIGH fan speed has been reached, the next press of the button will return

back to the LOWEST fan speed. To turn the humidiﬁer OFF, press AND

HOLD the “Set Speed” button down for two seconds.

HUMIDITY SETTING

20) If the room humidity is lower than the Set Humidity, the fan motor will

start and run until the room humidity exceeds the Set Humidity by +6%

R.H. If higher than the Set Humidity, the fan motor will not start. The

desired humidity level can be changed with the “Set Humidity”, (right),

button. Press the button once, and the display will ﬂash. Repeatedly press-

ing the button will increase the Set Humidity in steps of 5% RH. When the

desired humidity level is reached, (between 30 – 90 % RH), release the

button. If the button is released and then held down while ﬂashing, the

display will auto-advance through the range. Release the button to exit

the auto-advance mode.

BOTTLE REFILL SYSTEM

21) When one bottle empties, one red reﬁll indicator light will light, and the

fan will continue to run. When the water bottles are both empty, the two

red reﬁll indicator lights will be lit and the fan motor will stop.

22) After the “Set Humidity” button has been inactive for three seconds, the

control will exit the Set Mode with the last programmed number remaining

on the display.

NOTICE: Under certain conditions, cold objects in the room, such as windows

and outside walls, may cause moisture to condense. Severe condensation on

window sills and walls may result in water damage. When these conditions

exist, a lower humidistat setting is recommended.

Air Care

Filter

MODELS 4D7 800, 497 800, 497 300, 447 401, 447 301

AND 427 300

Air Care®models feature a two-stage air

ﬁlter which attaches to the back of the

humidiﬁer. The Air Care®ﬁlters the air as

it humidiﬁes.

The ﬁrst stage of the air ﬁlter is

a high-efﬁciency, electrostatically-charged

ﬁlter media which traps dust, pollen and

airborne pollutants. The second stage of

the Air Care®ﬁlter is an activated car-

bon media which absorbs odors from

cooking, pets or tobacco smoke.

We recommend replacing the Air Care®

ﬁlter at least once a year, more often if necessary. When the white ﬁlter media

is coated with a layer of dust and dirt, it is time to replace the Air Care®ﬁlter.

The certiﬁed water output of your humidiﬁer will be reduced when using the Air

Care®ﬁlter

Air Care®ﬁlters are optional and are not required for normal operation of the

humidiﬁer.

Care and Maintenance

IMPORTANT: We recommend cleaning your humidiﬁer every two weeks.

Follow instructions.

Humidiﬁers provide comfort by adding moisture to dry, heated indoor air. To

get the most beneﬁt from the humidiﬁer and avoid product misuse, follow all

instructions carefully, speciﬁcally the operation, care and maintenance guide-

lines. Please note this is an electrical appliance and requires careful attention

when in use.

In addition, if you do not follow the recommended care and maintenance

guidelines, microorganisms may be able to grow in the water within the humid-

iﬁer's reservoir.

CAUTION: Disconnect power before cleaning or servicing unit.

WARNING: It is very important that cleaning solutions, such as bleach,

bacteria treatment, or descaler which could be used to clean the cabinet are not

sprayed or applied to the chassis/power pak assembly. Additionally, do not

immerse the power pak in water or any other solution. These solutions can

cause a serious electrical malfunction of the humidiﬁer.

1) Turn unit off by turning humidis-

tat completely counterclockwise.

For digital unit, hold speed but-

ton down for two seconds.

2) Unplug electrical cord from wall

outlet.

3) Unplug interlock plug from chas-

sis/power pak receptacle.

4) Lift off end covers and remove

both water bottles.

NOTICE: Water bottles must be

removed before chassis/power

pak to prevent possible switch

lever damage.

5) Lift chassis/power pak unit from

cabinet.

REMOVING SCALE

6) Carefully lift wick from cabinet,

allowing any water to drain

from it into water channel. Place

in sink or tray to ﬁnish draining.

7) Remove any remaining water in

channel with a sponge. Fill

water channel with one 8 oz.

cup of undiluted white vinegar.

Let solution stay 20 minutes.

Remove with a sponge. Clean

all interior surfaces with soft

brush. Dampen soft cloth with

undiluted white vinegar and

wipe out water channel to

remove scale.

8) Rinse water channel thoroughly

with fresh water to remove scale

and cleaning solution before

disinfecting.

DISINFECTING RESERVOIR

9) Fill water channel with mixture of

one teaspoon chlorine bleach in

one gallon water. Let solution

stay 20 minutes, swishing every

few minutes. Make sure the

cleaning solution does not come

in contact with the chassis/

power pak. Do not attempt to

pour liquid directly through the

grill into the humidiﬁer cabinet.

10) Empty water channel after 20

minutes. Rinse with water until

bleach smell is gone. Dry with

clean cloth or paper towel.

11) Clean all surfaces of the

chassis/power pak with a soft

dry cloth. ÌWARNING

DO NOT USE LIQUID

CLEANING SOLUTIONS,

INCLUDING WATER, TO CLEAN

THE CHASSIS/ POWER PAK.

AN ELECTRIC SHOCK MAY

RESULT OR THE HUMIDIFIER

MAY BE DAMAGED.

12) Remove water bottle cap and

empty remaining water into a

drain. Pour a mixture of one pint

of water and two tablespoons of

household bleach into each bot-

tle. Replace caps and shake bot-

tles thoroughly. Remove caps,

drain bottle into sink, rinse well

with fresh water.

13) Replace evaporative wick into

water channel, allowing it to

hang from the rib on the inside

back wall of the cabinet.

14) Replace chassis/power pak unit

into cabinet, ensuring that the

chassis seats correctly on the

back edge of the cabinet.

15) Replace water bottles into cabi-

net.

16) Replace end covers onto cabi-

net.

17) Plug cord set into interlock

receptacle at back of unit. Plug

cord set into wall outlet.

18) Reset humidistat to desired set-

ting and adjust fan speed.

EVAPORATIVE WICKS

19) We recommend replacing the

wick at least once a season,

more often in hard water areas.

When the wick appears exces-

sively clogged with mineral

deposits, discard it and restore

your humidiﬁer's efﬁciency with

a new wick. Bemis by Essick Air

number 1041 ﬁts all console

humidiﬁers.

Call 1-800-547-3888 to order.

Only Bemis by Essick Air evapo-

rative wicks guarantee the certi-

ﬁed output of your humidiﬁer.

Use of a wick other than a

Bemis by Essick Air will void

your warranty as well as the

certiﬁcation of output and may

reduce the efﬁciency and output

of your humidiﬁer.

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