WIRINGTOCONSTANT120VACUNE

EXTERNALTOFURNACE

 

 

 

 

Junction _

 

 

 

 

_U

J

Inllal SiI# _ddl

In Rltum

Air Plenum

 

 

 

Ill I

(_ _-._lly

_ o=_s)

 

 

 

IIII

Pu_ thisacce_lotyseparatelyifneeded.

 

 

 

IIII

Av=_ _o_ s_-s P,_,_

Ser_=

[] 6

Usinglowvoltagewire supplied,connectspadeter-

I

 

 

 

I

minalsto solenoidvalve on top of humidifier.

J NOTE: Wiring mustconformto localcodes.

[] 7 Position and support wire to humidistat location.

Separate wire. Cut only one wire, strip ends.

[] 8 Feed wires thru opening in humidistatback plate and attachto screwterminals.Mounthumidistaton retumair ple- num using (4) #8 screwsprovided.Install shaftextension,cover and knob (Fig. 16).

CONTROL CIRCUIT: Forproper operationand water conserve- fion, this humidifiermustbe wiredso it willoperateonlywhen the furnace blower is runningand the humidistatcalls for additional humidityTwo. methodsare shown(Fig. 17 and Fig. 18):

[] 12 Attach"OperatingInstructionLaber to returnair ple-

num nexttothe humidistat.Peel offpaper backingand sticklabel in desired location.

operation

[] 1 Set knobto the lowest temperaturepredictedfor a

24hourpe_nd. Because ofdifferencesin houseconstruction you may wanttotrya higheror lowersettingtoachieveproperhumidity.

[] 2 Change knob settings as outdoor temperature

Fig 17: WIRING INTO FURNACE - FOR ANY FORCED AIR FURNACE WITH SINGLE SPEED 120 VAC BLOWER ONLY.

CAUTION: Do not use this methodwith multi-speedblow- em or blowem otherthan 120 VAC.

changesoccur.

[WARNING: DO NOT LEAVE KNOB SET IN "TEST" POSI- I

TION ABOVE %20" OR HUMIDIFIER WILL RUN CON- STANTLY.

Rg 18: WIRING EXTERNAL TO FURNACE- FOR ANY FORCED AIR FURNACE INCLUDING FURNACE WITH OTHER THAN 120

VAC BLOWER MOTOR OR FURNACE WITH MULTI-SPEED BLOWER MOTOR.

NOTE: Some furnacesare equippedwith accessorytermi-

 

nalsthat can be usedfor the humidifier.In this case, consult

i

the fumane manufacturer'srecommendationfor wiring.

 

[] 9 Tum offelectricityat fusebox. Using(two)wire nuts and conduit nut supplied, install24 VAC transformerto 120 VAC supplyjunction box followingthe control circuitselected so the transformer will be powered onlywhen the fumaceblower is run- ning. Do not use existingtransformer on fumace.

[] 10 Connect spade terminals of low voltage wire to spade terminals of transformer.

[] 11 Tumonalectridtyandtastoparationbyobasrvinglf water is flowingto drain while fumace is running and humidistat dial Is set to "toet"position.

IF SWEATING OF WINDOWS OR WALLS OCCURS OR IF AIR IS TOO DRY:

Check dial seffing. Indicatorshould point to the lowest24 hour temperature. If settingdoes not agree, readjust knobto proper

correctand conditions have not changed, rotate knob beck and forthfromTEST to MINIMUM HUMIDITY SETTING. If humidifier

numberand wait 24 hoursfor sweatingto stop. Ifdial settingwas goes ON and OFF, control is operatingproperly.

AIR CONDmONING - IMPORTANT:

If your furnace has air conditioning (cooling),dose the damper completely duringsummer months and tum the humidistatto the

MinimumHumiditysetting.BE SURE TO OPEN DAMPER DUR-

ING HEATING SEASON AND RESETTHE HUMIDISTAT.

WATER FLOW RATE:

At standardwater line preseureof 50-60 PSI (poundsper square inch), water willflow through humidifierat approximatelyfour (4) gallonsper hour.About 0.7 gallonspar hour of the four will be evaporated,leaving3.3 gallons to be drainedaway.Since the fur-

nsoe only runsan estimated30-40% of the beating season, and the_umldifter is wired to operate only with the fumase blower,

and only when humidityIs required,the actual amount of water drainedper day is much less than wouldbe expected.

8

Page 7 Page 9
Page 8
Image 8
Sears 303.147012 manual Operation
Page 7 Page 9

303.147012 specifications

The Sears 303.147012 is a fascinating piece of technology that has found its niche among home appliances, particularly in the field of sewing machines. This model has become beloved for its combination of user-friendly features and advanced capabilities, catering to both novice and experienced sewers.

One of the most notable features of the Sears 303.147012 is its versatility. The sewing machine offers a range of stitch options, allowing users to create everything from simple hems to intricate designs. The adjustable stitch length and width provide additional customization, enabling sewers to tailor their projects to their specific needs. This adaptability makes the 303.147012 suitable for various fabrics, including lightweight materials and heavier textiles.

Another significant aspect of this model is its ease of use. The machine is designed with a clear focus on user-friendliness. An intuitive threading system simplifies setup, reducing the barrier for beginners. The machine often comes equipped with a built-in bobbin winder and a drop-in bobbin system, streamlining the sewing process and minimizing downtime. Furthermore, the presence of an automatic needle threader can save time and enhance the overall experience.

Technology is also a cornerstone of the Sears 303.147012. With its robust motor, the machine is capable of handling various sewing tasks efficiently. The direct-drive motor ensures smooth operation, allowing users to navigate through multiple layers of fabric without difficulty. The machine's speed control feature enables sewers to maintain precise control, providing the ability to tackle intricate designs without the risk of making mistakes.

Durability is another trait that stands out in the Sears 303.147012. Built with quality materials, this sewing machine is designed to withstand regular use over time. The metallic frame contributes to its stability, ensuring that it can handle various sewing projects without wobbling or misalignment.

In summary, the Sears 303.147012 sewing machine is a blend of simplicity and advanced features, making it an exceptional choice for sewers at all skill levels. Its range of stitch options, technology-driven efficiency, user-friendly design, and robust construction make it a reliable partner in the creative world of sewing. Whether you are mending a favorite garment or embarking on a new crafting project, the 303.147012 stands out as a versatile tool that can meet diverse sewing needs.
Top Page Image Contents