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T'Aok_Comm/_q._ _
(W _quemN,_
4.
Sbw_ownth= ==v_.
t_.w"
& CJK/I'IION
U_
noL_a af _hratlaa
_:st_m
a
problem. Do not continue to ope_to until
you tdentlfy nnd _rru;t
the sour_
of tho
l,n:blm.
NOT_
Ensure Ihe €llmctlon of rotatl_
_, correct
per the m'ow on _e motor. If Oto rotation
Is In_tllct
OntlhrlqH)4hal_lunits,
Interchange any two of the throe luds.
COMPRESSORCONTROLS
AUTOMATIC 8TART & 8TOP CONTROL TI_ type of
€o_t_ xppl_ to electricmotorcktvenmodelsund_
10 ho_r.
NOTE
Automatic _
& _
Conbol Is
Intended for Lmowhen the motor vdll start
no morn th_n 00mes per hour.
When the recei_
tank pm_sum mad_s the fadoW pnHJ_
mmdmumpremJ=_ (usually175 PSIG;),01epre_um sw_h
sto_ a-muNL When the reou_er lank prm_um dro_ below
the factor/preset minimumCusually135 PSIG), the pressure
swlt_ rents =nd m_s.ts Ihe u_lL
DUAL CONTROL. Th_ _ype _ om_o_ ap_ie_ to _ectrlc
rnot0rumb over 10 horsepower.Sek_t eltl_a_,at_
_
and stopcont_ orconCant q_ed _Wol by adJust_ the
knobon thexuxllisryvalve. For automaticst=rt and stop
conl_l, turnIf._ knob onthe auWaryvalw fullydod<wise to
a'lseble the etJ_llaryve_ve. T he l:_lesuFesw_chwll_thens_e_t
andstop _e unit.
NOTE
For dual cordml models, autmndc
start
s(,,dato_ IS pcefer_d.
Amd_y
Valve,
_,
CLO_<_P_ BE
coum_m_ocxw_
5utect comdant speed conl_ fft_ unR_
In less_m
10 ndru_ L'd_
o_runsmornt_an40 mbutes per hour.Turn
t_e tmobMly coume._c_ee
_or_ _u un_cxx_u_y.Wh_n
racel_r tank prm_um reaches 170 P_IG. _o unitrumsbut
doe=not pump.
NOTE
The auxllisry valve is f_to_y We.,sat at
5 PSIG k)w_r U_n th_ faclmy pressure
iWill_h i_tlJng.
CAUTION
Running unloaded for mom than
2_ mlrmtu per hour or m_
than
15 mlnutm _tlnually
with the use of
_m1_tant q)eed control will cause oll
pumping and should be avoided.
_
8wrrcHADJUSTMB_IT
Z_WARNING Highva_age Is prmmntat W,epros=urn
swlich_
u_on the po_or supplyIs
_ormec_i. Ok_:otme_ _odK _ml tWim_t
powersupplybe(or=making_lJuatments.
•.CAUTtON
Donot s_Juat t he prNXUm swltc_to
m_cm_dl the magnum d_Im_'g_ I:e_um
of the unit.
NOTE
Adjustthe pressures_tch _'dy If "
_!Ju_mer,_ .re al_ut_y
r_ce_wy.
CUT.IN & CUT.OUT. _
out-out(compre_,or shut-down)is
_e pros=urn=t whk:h'¢ne swttc:h €ontac_ ope_, and _neo.,t-in
(_'_gmssor
resort) Is thepressure =t whichthe s*ftch
_on_s
dase. See COMPRESSOR CONTROLS.
ADJUSTMENt" CONTROLS./_3 txessuce switches_
s
nmge ad_
conm_ _,_.8o_e pressure sw_:_s a_so
huvea dif femnUaladJustment ( B) con_s'01, Onswitcheswll_outa
dllfemn_ ed_Js_ent comrut.Ihe spanbetween out-inerd out-
outpressure levetsswitchesb f_ry
set for40 ± 4 PSlO and
NOTE
_Somepnmsu_ _
In equ_KI
vdffi tm on-off lever usod to oFem and close
the sle_-I_l
_w_tact= Ir_lds the swlt=h.
THIS L.EVER I_ NOT & 01FF-ERERrlAL
_
CONTROL 11m _
nftd'm
wtth the on-otf lewr do not hr_
,M_IUS'l14ENT PROC_=nURE,_ (swTrcI, I_
wiTHotrr
DIFFERENTIAL ADJUSTMENT cOKrROL):
1. R_mmmfire p_su_
s_h
(_ver.
2./.,d_tthe_
byt,m_ If_ range _']ustm_t_'ew
doc_be
(fn)to k_mese _hecut-out p_t or coun_'-
dockv_e (out) t_ dea_ne_e €_t-o_ _o_.
NOTE:
One full turn changes (he 8effJng
ippmx_,,_y
2 P_X
_. Reptacs co_r. reco_
pow_ R_pptya_d m_. _
compme_x.
4, No(o _e pressuregauge ma_Jng_ _v/dch_
c_npressor
cutsou_
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