Filter
Top Products
Mountin(
Screws
(4)
Cover-_
Hole In Wall
Mounting
Screws
Wall Mount
)_--Spacers
Control
Unit
Humidifier
Spade _
Terminals f
Wall Outlet
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.
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. Itcould 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.
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.
2.
3.
4.
5.
6.
7.
Unplug transformer.
Close saddle valve.
Remove the front plastic panel and lift up top hinged cover.
Pull out pivot pin and remove float and float arm.
Lift out the media wheel and reservoir.
Pour contents of reservoir down the drain.
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.
9