Sears 1700 manual Operation, Maintenance

Hole In Wall

Mountin(Mounting

ScrewsScrews

(4)

Cover-_

)_--Spacers

Control

Unit

Wall Mount

	Spade _
Humidifier	Terminals	f
	Wall	Outlet

SPLASH INSIDE HUMIDIFIER:

This humidifier depends on the difference of air pressure between the supply air plenum and the return air plenum to propel air through the humidifier. Some furnaces have higher pressures than others. This could result in air travelling at high speed through the humidifier. This can cause droplets of water to be picked up and splashed against the inside of the humidifier case. Eventu- ally a coating of lime will build up. It could in extreme cases, cause leaking of water from the humidifier. If possible, operate the fur- nace blower at a lower speed.

TO REDUCE SPLASH:

Partially close the damper located in the collar on the return air plenum. Some experimenting may be necessary to find the proper setting.

AIR CONDITIONING - IMPORTANT:

If your furnace has air conditioning (cooling), close the damper completely during summer months and turn the humidistat to the Minimum Humidity setting. BE SURE TO OPEN DAMPER DURING HEATING SEASON.

CAUTION:

Do not use tablets in an attempt to control lime de- posits in this humidifieH Use of tablets may cause

humidifier to splash causing damage to humidifier or furnace.

I NOTE: Make sure wall outlet is not controlled by a switch. I

operation

1 Set knob to the lowest temperature predicted for a 24-hour period. Because of differences in house construction you may want to try a higher or lower setting to achieve proper humidity.

'2 Change knob settings as outdoor temperature changes

Occur.

WARNING:

DO NOT LEAVE KNOB SET ABOVE "+20" OR HU-

MIDIFIER WILL RUN CONSTANTLY AND MAY OVER HUMIDIFY YOUR HOME.

IF SWEATING OF WINDOWS OR WALLS

OCCURS OR IF AIR ISTOO DRY:

Check dial setting. Indicator should point to the lowest 24 hour temperature. If setting does not agree, readjust knob to proper number and wait 24 hours for sweating to stop. If dial setting was correct and conditions have not changed, rotate knob back and forth from TEST to MINIMUM HUMIDITY SETTING. If hu- midifier goes ON and OFF, control is operating properly.

maintenance

THIS HUMIDIFIER IS AN APPLIANCE THAT EVAPO-

RATES WATER IN LARGE QUANTITIES.

The dissolved minerals normally found in tap water are left as lime deposits in the humidifier. REGULAR CLEANING is nec- essary to keep the parts free of lime deposits. Deposit build- up will reduce humidifier output. Ease of servicing has been foremost in the design of this humidifier, Service at least every

(4)four weeks during the heating season or more often de- pending on the water conditions.

1.Unplug transformer.

2.Close saddle valve.

3.Remove the front plastic panel and lift up top hinged cover.

4.Pull out pivot pin and remove float and float arm.

5.Lift out the media wheel and reservoir.

6.Pour contents of reservoir down the drain.

7.Clean lime from all parts using a solution of vinegar and wa- ter, detergent and water, or Sears All-Purpose Humidifier Cleaner (Stock No. 42-14713).

8.Remove media pad from inside of wheel and clean thor-

oughly, replace if necessary (Sears Stock No. 42-14603). IMPORTANT: Stretch new media length- wise before placing in wheel.

9.If the Reservoir has been overflowing, the operating Float Valve Button may be worn. Remove the operating Float Valve Button, turn it over and reinsert or replace after both surfaces are worn (see page 10, Fig. 25).

10.Reinstall reservoir, media wheel with pad, float and pivot pin.

11.Open saddle valve and check water level in reservoir. Adjust float as required.

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