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ADDING AIR €ONDITIONING TO UNiT
The unit has been designed and equipped to sup-
ply sufficient air for most summer air condition-
ing applications. Th e multi-speed motor used on
the furnace blower offers a convenient method o_
providing automatic change ove_ betwa¢_ heafi_g
and cooling air deliveries. Any two _peed_ of the
tapp_] motor can be connected to the terl_l_ls of
a s_ngle POle double throw relay permittlng _uto-
mati¢ change of motor spee_ between heating and
cooling.
When adding air cQndttioning remove the €over
from the junction box in the burner compartment.
By removing two _ the 12 VA_ _Pa_0_nl_r
can be removed from inside the jtmetion bog- This
trans[ormer does not have capacity to handle the
air conditioning load io_d must be di_ol_ectcd and
40 V. A. _-relay fumlshed with the air
eonditio_t_ unit on the Jm_on box--_ith
erimry leads of the _.anstom_ _ thD re_
leads connected as shown in Fi_ lZ oa l-age 1S. it
The f_llowing chart shows the motor spead taps _o
use for normal installation condttion_"
The vto_ w_ is _t factory connected lath.
blower Jmu_inn bow.. Unta_e and eemmet
termUad _t.d ta table hele_ whon adding
_ air_. 'l'he .peed_ h, em tad_
be best for normal am_icatkm. _ _n arms
low hmnidity one _eed- _ may _ bitter
__. --
SPEED TAPS FOR NORMAL. APPLICATION
C00L_G Wl"U
Speem Taps Indicated By "LO" "MED LO" "MED HI" And _[I"
MAINTAINING FURNACE AT TOP EFFICIENCY -'
tAtrlrlON: DI$CONINIIK'TEI.|CTItI¢ POWER SliFOI_ ANY I_IS_W.IE_UtI.YOII Sl_lt¥1_ll_
A clean, Vroparlg _i,*rained furnace wi[! ope_xte et top e_cieno_ . . . and
the _tttle e_ort required for proper *neintencxnce u_f[! pay big _vi_em_ in
h:,Rg Y'a_e gert, ice .ee_)_rtg_. [n,_r ooerat_ng costs, a_ greGter com_ort. Urt-
|e_ you ere thoroughly _arn_liar with the operating Principlea of the fur-
nace and all i_ controls,you will profit by having an experienced Sears
Ser_ice-Tee_mician check and a_ust the _urnace once each year (preferably
in the summer-time when Service-Technicitms are readily available). :
l_elow are a few o_ the m&intenance operations which mu._t be done regt_lar-
ly _ and which you may wish to do .yourself_
OIL BLOWF.R MOTOR
At the _t_rt and twice a year oil the blower moWr.
Relubr_¢ate with a good grsde O_ medillm weig_'_
mineral oil such as automobile engine oil S. A. E.
ViSCosity rating #20 non.detergent. Do not over oil.
CHECK AIR FILTER
Check Your Filter at Least Once _ Month _ and
Chauge Filter when it is Dirty. Dirty filtcr_ greatly
restrict the air flow, overload the blower me,or.
cause fuel wastage, and result in _ei'fidcnt hee|ing
or cooling. Fihors Must Be l_eplat',ed Under Average
Condhi_ns, At The Start And bliddle Of Each Heat-
_d Coo_ _eaton. Filters may be obtained
ZZg-d LZ/LLd £L8-1 kEE6812ft9+
from your n_arest Sears Retail StoLe Or Catalog
Order Store,
TO CLEAN FILTERS
MODELS 867.76_98 AND 867.763792
Remove Filter from Furnace. If metallic: "pertain--:
nent type" filer1 remove excesS dirt be rapping
_ently_ Flush from dirty side with hot or soapy
water_Hinse_Let _¢y_To re_to_,_ dttt"t and
odor removal properties. Re_tt with l_ S_per,
Handi-Kotar or ¢_uivalent. . '_i
Thts filter is especially des!Shed _or the higher air:i
capa_ti_ of this m_it, l_ replacement is ne¢_ur_ i
.Ld]MH_V:I$_I d31-m0Jd I_eLS:SG 88._L.USI
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