Guía de Diseño Del Decodificador
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Transcript of Guía de Diseño Del Decodificador
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8/12/2019 Gua de Diseo Del Decodificador
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WEB-103 6/0
Design Guide
R O T O R S S P R A Y S V A LV E S C O N T R O L L E R S S E N S O R S C E N T R A L C O N T R O L S M I C R O
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Overview of Decoder Operation ........................................................................................................... 3
Decoder Benefits ................................................................................................................................... 3
Wire Specifications & Rules ................................................................................................................... 4w cs ................................................................................................................................................ 5
"T" Splicing Decoder Wire .................................................................................................................... 5Earth Grounding .................................................................................................................................... 6
Decoder-to-Solenoid Wiring .................................................................................................................. 6
Decoder Outputs, Power Factors, and Inrush ........................................................................................ 7
Decoder Hardware & Models ................................................................................................................ 7icD Dd mdls ......................................................................................................................................... 7P Dds .................................................................................................................................... 8icD-hP hdld P ......................................................................................................................... 9Pp Ss ......................................................................................................................................................... 9icD-Sen (acc sss l) ............................................................................................................................ 9wlss r cls (icr, roam, m rd) ...................................................................... 10cl cpbl ....................................................................................................................................... 10
ACC Decoder Installation Specifications .............................................................................................. 10gl .............................................................................................................................................................. 10cbl ................................................................................................................................................................. 11L ................................................................................................................................................................ 11
Cable Design Formulas ........................................................................................................................ 12w P L Fl ............................................................................................................................... 12expls ........................................................................................................................................................... 13cds ......................................................................................................................................................... 13Ds Sss ......................................................................................................................................... 13
Cables from Decoder to Solenoid(s) .................................................................................................... 14
Multiple Solenoids from One Decoder Output.................................................................................... 14
Power Factor ....................................................................................................................................... 14
Surge Protection ................................................................................................................................. 14
Earth Grounding Hunter Decoder Systems .......................................................................................... 15clls ........................................................................................................................................................ 15Dd gd ......................................................................................................................................... 16
Decoder Grounding ............................................................................................................................. 17
Decoder In-Valve Box .......................................................................................................................... 17
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t acc cll fl s vlbl - dd s. i s ls pssbl v vl acc fl ll - dd p, b v vl p dls d s aDm-99 Dd op mdl.
F ppss f s d, "vl" "vll-d" s l sssv sp l f s p, f ll ss sld, s ppsd - dd l.
Overview of Decoder Operation
t- dd l ps l f l sss, vlvl l dss, b s pf dd dls s dd
l vl, d bl - p.t s v s l s dd, d dd s spld p. t dds d llsdd 24 Vac slds f dvdl p f vlvs dsl dvs.
e dd s ql ddssd, d b sl f ddss, d pqd f sld p, s v sl p f s. up 99 dds bdvdll pd v sl p f s s .
Decoder Benefits
Dd sss sv . t s ss s bl p 99 ss l s(sll 14 awg/2.08 2sld pp), sd f 100+ s. t ls sv s d lb ssd l bs f dvdl s.
Dd sss xbl. as l s - p s sbl
ssbl ss, ss b ddd lb s ddl dds p p, dsp f f d ldsp. Dd s v b spldd d fll pp s d z sd .
Dd sss lll f. t v bl pl bs f slds v lvl l dss.
w 14 awg/2.08 2sld , ll v slds p 10,000 f/3 k ( d bsd l vlbl szs l ks. iDwire1 s ll 1.63 d, 2.08 2).
w 12 awg/3.3 2d. , p p 15,000 f/4.5 k. L s pssbl v v b pl.
Dd Vlv Bx
acc99D t-w p
(p 99 ss)
THE DUAL DIFFERENCEThe "DUAL" family of decoder products for the I-Core controller were added to the Hunter linein January, 2010. DUAL decoders share many characteristics of the ACC/ICD family, but there aresome important differences. Look for "The DUAL Difference" sidebars in this document. They willcall attention to important DUAL differences from ICD decoders.
THE DUAL DIFFERENCEDUAL systems operate up to 48 decoders. DUAL uses the same wire, but thedistances are not quite as great:
14 AWG/2.08 mm2= 5,000 ft/1,500 m, max 12 AWG/3.3 mm2= 7,500 ft/2,300 m, max DUAL provides 3 two-wire paths to the field
tpl Fld Dd w
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t acc fl f dd lls pvds p 6 - ps ld. tf, ll p p 15,000 f/4.5 k f 6 dff ds.
Dd sss l ss. wl ss s l, dd sss v lss d d, ppl slld, v xll d d s sppss. t ppl s l xps.
Dd sss lvl s bls. t l s p p, d sl p dl f dd fs, qppd ds LeDs. t ll p ss s s s vl acc, d
f ss ld fl acc ps s ll s dd p.
Wire Specifications & Rules
w, d sll, s k f sssfl dd slls. Sbs f d spls s slls sk d s j s f s-p sv bls.
h pvds vs dls f s acc dd sss. h ds l-dd sls jk f ddl p f dd .
Model Description Specifications
ID1GRY g jk
14 awg/2.08 2sld-sd p, 2,500 f/760 psdd spl
(us p 10,000 f/ 3 k)
iD1Pur Ppl jk
iD1yLw yll jk
ID1ORG o jk
iD1BLu Bl jk
iD1tan t jk
iD2gry g jk
12 awg/3.32 2sld-sd p, 2,500 f/760 psdd spl
(us p 15,000 f/4.5 k)
iD2Pur Ppl jk
iD2yLw yll jk
iD2org o jk
iD2BLu Bl jk
iD2tan t jk
t sd ps sldd d, b jk pvds p f bs d sl d.cd s ss lss ll ls q ( - p s l vl). Sld, sl , d dll b pf d pssbl dsd.
Paths:e - p f s lld "p". t acc99D pvds p 6 p ps ld, d dds b slld ll f b. cl-dd xl jks ll p bdd ld.
i s ss ps . e p s f ll ls dd p,d spl sps . gll, lp - p f p (bk ll) s dd. i pvds ll b d pls bls.
nv p f ll ps f ll
Hunter requires twisted wire meeting the above specification on all paths. t s s ssl p f s sppss s d ks v ll. t s zs dff pl d s, ddds d. S l d s v vd b , s slls bs s s hs ld l dds f dd slls, b s twisted s ll bv sps.
cl d s d. t d/bl d s v f s h dds. exl l-dd jks ds dss f l sll d ps s f ss .
See The DUAL Difference box onpage 3 for DUAL wire maximums.
iD1tan, S tsd P
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Using pre-existing wire:ts s sl dsd b h f fll ss:
i s lkl p-xs s sps f , s, d sld pp
P-xs ll b l-dd l f dd s
P-xs v vsbl pbls (ss, bks, sd ss, dd sl) ll bd b sll
i s s k s l pjs b "b" sps.
Wire Connectors
all s d spls d/bl - p (iDwire) s b d DBry-6 ql pf s.
all h dds sppld DBry-6 s
all "-6" s d 600V d bl d v pss
addl spls d s - p s b d qvl s
wv spl s d, s p lv dq slk s. Lv 5 f/1.5 slk pv f f d s, d ll spls b vd f vlv bx f sv sp.
w slk b ld l d sd f vlv bx.
Dd--Sld s b d sdd DBy ql pfs. ts q l 30V sl s b sll q slk d s lf.
"T" Splicing Decoder Wire
i s pssbl t-spl dd ps
all t-spls s b d vlv bxs DBry-6 ql s
t-spls ss f k d , d bl
i s spll p ll dq slk - spl. e splsld b bl b d f vlv bx f bv-d spd sv.
w pssbl, s dsbl - ps s s s pp. t pp ll pvd s p , d lll lds vlvs dds ll b psd (s lls).
t x f v p s vld f ll d f
f t.
if l ds f ll d f f t s d 10,000 f/3k (s iD1 s s xpl), ss s sp, v f l f xds 10,000 f/3 k.
F xpl (s 14 awg/2.5 2iD1 s), f t s pld 5,000 f/1.5 k f ll, d 2 s dff ds ddl 5,000 f/1.5 k, s sps. i s l 10,000 f/3 k df f t f ll, v s 15,000 f/4.5 k l d p.
i s pssbl v spl , pvdd ll bv ds . w DuaL sss, dss dff b s ppls ppl.
wpf cs
w Slk f Sv
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i v l sss, l f d b f v dvs ( dds) ff bl sls ss d f . ts ll d qp b q djs s pv dp sld ps. t lls d f s d lp d f s dq p f v s.
Earth Grounding
e gd f dd sss s p f sll qs pl d fl sll. Ppldd dd sss pf v ll v s fq l ss. P d f sls ss qp lsss d d .
e d ls f acc99D fl dd lls s s f acc lls. a l d l, lp, s pvdd f f b pp d d.
isll d d d d ls f - ps, pssbl
Dd slls ls q d -p slf, p dd vs. t icD fl f dds fsd s sppss d dd dl s qppd b pp f d d.
e d sld b d v 12 dd, 1,000 f/330 f , vs s. t s sz f dds s k f d ppss v12 dd dl s l.
t l dd sld b dd. ts lds l dds f dffs f "t", f s 500 f/150 .
t d s v icD dds sd. i s ss v sd d b .
Spl fld f (s lls f ddl d s f dd l).
Dd d d sld ls b d d pld ls f - p.
t s f sp bd b ll dd dd ps s qd, b dssp s d lp pv pp d v f l sk.
Decoder-to-Solenoid Wiring
F dd ps dvdl slds, s sdd szd f l f
w f dd sld sld xd
150 f/45 . if dd--sld ds s v 20 f/7 ,s "bbd" sd d s sppss.ts s spll p -l s.
t dd s f s vlv bx s s slds. i s ss,sdd 18 awg/1 s pbl.
e dd p s p p sdd hslds. w dbl slds dd p, slds plll ss. t dd s p lds sld lds f s sld, (sll -spl) lds f sd sld.
Place Ground Plate
in 6 wide trench,
perpendicular to
the yellow Shield-
ing Wire, 8 feet
away, 36 below
ground level.
Solidbarecopper
ShieldingWire
Groundlevel
t vlvs p p
THE DUAL DIFFERENCEDUAL decoders do not include integrated surge suppression. Instead, install the DUAL-S surge arrestors after every 12th decoder,or 1,000 ft/300 m, at a minimum. In high lightning areas, install more frequently.
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Decoder Outputs, Power Factors, and Inrush
t dvdl dd s ps dsd p sdd 24 Vac slds. wl slds v, s s ll d 0.250 aps ac h sld, ld f d 0.200 aps ac. Slds f fs v sdbl, d -d slds l xd s vls.
a icD dd p ll s p 2 sdd h slds. t ssl p2 slds f dl f sld, d x sld sps sld b sld bf pl ss.
e l-dd s p f dd dl s p 24 Vac slds. hv, s s 50/60 hz d ll lk lk 24 vls vl vl .
Special Note about Amps: The decoder path current is different than 24VAC line current (running at 50/60 Hz). The decoder output modules andICD-HP measure decoder amperage, and this is why a solenoid on an active decoder station may show 40 milliAmps, when the same solenoid in a24VAC system is consuming 200 milliAmps of traditional AC current.
t P F f dds dfls "2" d pss f sppld sld. Lv s s "2" lss dvsd b h l psl.
t is s dfls "5" d s s ls s f s ppls. S d slds d PpS rls q s ss, b s s ls bs dd h t Spp.
w s f dd--sld v 20 f/7 sld b sd , d s sppss. expd slls l s k s ks, d s s p dd ss. i s pssbl, b ss, s
iDwire f dd--sld . t ls bbd dd sld (DtS) s vlbl f sl l s (f xpl, P el DtS s sp P7351D).
Decoder Hardware & Models
acc fl lls b dd dd vss s pl dlbs. idvdl dd p dls (aDm-99) ls b d xs lls, v dd ps. hv, dd dvl p dls b slld s ll s .
ACC99D: Sdd pd-d sl ll acc dd ll, p f p 99 dd ss.
ACC99DPP: Pls Pdsl acc dd ll, p f p 99dd ss.
ADM-99: Dd op mdl, v xs acc99D lls dd p. t aDm-99 s ld ldd ld acc99 vssbv. i b slld sk vl ll, v ddps. i s ls sd s pl p f p ppss.
acc lls (ld dd vs) ls pbl f 120 Vac 230 Vac p, d d q sp vss f l ks.
ICD Decoder Models
icD fl dds pf d ll v d ssppss, pp d . ml-s dds vl-dd lds f s p.
ICD-100Sl-s dd
ICD-200t-s dd
ICD-400F-s dd
ICD-600Sx-s dd
ICD-SENSs dd, ps (Fl d/ "clk" s ls p)
LOCKED
POSITION
ACTIVATES
MODULES
POWER
OFF
POWER
ON
aDm99 p dl
icD-600 lds
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e icD dd s d d bl . ts ls f - p. iDwire s l-dd k s s d sll d f sv.
t sl s dd h icD-100 ls s sl p f blk s, f sld. gll, s p p sdd 24 Vac slds s , dlss f ds f ll (sbj ls f iDwire sd pj).
ml-s dds v ddl l-dd ps, spd s p. e s b d dpdl f s, d s p v slds. tll, l-s dd
v b f ss x 2 slds slsl. S ls ppl f v d slds, dPp S rls.
icD d DuaL dds ce ppvd f l ls, d lv l sdds s ll.n dds slvs l-vl pds d lbl f sp uL/-uL ls . t p f uL-lsd/-uL dd ll ss acc99D i-c fl f lls.
Programming Decoders
t icD ss f dds s-pbl. e dd vs blk sddsss, d ddsss b ssd f ll bf dd s pld - p. i s ls pssbl p dds ld slls lssicD-hP dld p.
Dds b pd d lblld ll, p sll, bpd icD-hP lss p.
t p pss s sfd d spl. t d d bl s f dd sd p p Dd op mdl. t ll dl s d
advd Fs, d s dspl s s f dd dspld s.t p ss s b f d dd (d pssbl ps)d "sds" dd. t dd s pd d sld b lbld ll bllp p.
Dds b pd d lblld ll, p sll, b pd icD-hP lss p.
i s pssbl p dd b p pss.
e l-s dd ll v sql ddsss f pd f ll. t s sb s ssd, d s lld ll d sqll.
w icD-hP dld p, s pssbl p s bs d,
l-s dd. i s ls pssbl sll blk dds s, p pl lss icD-hP (s qs p - p). t icD-hP s l dd bs fs d s ds fs.
Do not create duplicate station addresses for decoders.
t acc99D d icD dds v - s - p. e d f ll ( , ff, .) qs s f dd. if lpl s s ddss spd, b ll b d, d s ll sl.
P P
THE DUAL DIFFERENCEDUAL decoders do not require two-way communications, but duplicate station addresses should be avoided.
THE DUAL DIFFERENCEDUAL Model NumbersDUAL48MDecoder Output Module for I-Core controllerDUAL-1Single-station decoderDUAL-2Two-station decoderDUAL-SSurge arrestor for DUAL systems In high lightning areas, install more frequently
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LOCKED
POSITION
ACTIVATES
MODULES
POWER
OFF
POWER
ON
P/mV ls
P/mVdd
P/mV ps ll, dsddds - p.
t acc s svl ds f lpl ss slsl.D p dpl ddsss v s.
a ss b xpdd b dd ll dd l. t s bs b f d (s dd llv x s sd s bs), b s ns ff acc fpk s b df vlvs. i ll ld, p.
ICD-HP Handheld Programmer
h's icD-hP s q l f p d dss f b icDd DuaL dd sss.
t d, b-pd dld p ss lss d dds plss. ts ps dds b d, pd, -pd ds pf s,v fll d vlv bx slls.
t icD-hP ls ps p f sld, sld ss d d, d lds ss ks f clk dhFS sss. wl q, icD-hP s sl dd p f pfssl dd sll z.
Pump Starts
P f ds xbl f acc Dd sss s bl ds dds - p s Pp/ms Vlv ps. ts lls acc Dd ll p ddd Pp/ms Vlv ps sds f f s f ll, x .
acc clls (f ll ps) v p 2 pbl Pp/ms Vlv ps,pbl b s.
i acc Dd sss, b Pp/ms Vlvs b pd v - p.t acc dd lls s P/mV ls ll ms mdl , p ddd Pp dds dd p. i s pssbl v f . t x b f P/mV ps s sll 2, b ds sll s . t dvdl Pp/ms vlv p ls sld(cll Dd) dd ll fpk.
us sl-s icD-100 f Pp/ms Vlv ppss. w dd s ssd b Pp dd, s pll ddd pps d ll ls bl p ss. mk s l s d f pps, d dd s pllsld f vl sd f s!
ICD-SEN (ACC systems only)
t icD-Sen Ss Dd s spl p f dd dl dsd p ps (f sss), ps ss.
e icD-Sen s 2 ss ps, p ss ss bk p - p acc ll.
Ss Dds ls s p ll s, s P P p dl. Ss Ddsv q ss f sp ss ll dspl. icD-Sen dds ls b pd d s p icD-hP dld p.
THE DUAL DIFFERENCEDUAL decoders cannot be assigned to Pump or Master Valve outputs. Use the PMV terminal in the
I-Core controller for PMV activation.
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Cable
i s p ls s sld , l-dd, sd-p bl. t s f s ps ss f sps f s d sll ss. ts s s l s b sd b lp d d ps f s ( sll s). D s 2 s sl s, v ks s ss, s s ss ll bdsd. t sz f bl b sld dpd ds d b f pssv d v dds p.
as l l, iDwire1 (14 awg/1.6 d./2.08 2) s dd f p l p 10,000 f (3,000 )d iDwire2 (12 awg/2 d./3.31 2) f p l p 15,000 f/4,500 (s q spsf DuaL). ts x p ls f v 2 h slds p 104 dds dl ss (97s dds, 2 P/mV dds, d p 5 ss dds). if ss s qd v slds , x l s b lld. F x x l, k cbl Ds Flss. n s not l ss bl l, s l f ll fs dd p.
avd p bls d dd bl plll, spll f ls. if vl bl s b ssd, s bs ss ls.
Layout
t x b f dds aDm-99 p dl s 99 ss, 2 pp/s vlvs, d p 5 ssdds. e f s dds v x 2 h slds p dd p.
a bl p b bd ff s s s ss. if bs l, s dd bl s dv(P# 270DcSD ql) sl bs f bls ppss.
o l slls, ll p l s dd f l ds l ( x ss v ) flld.
ud spl ss, fls bl b sd. ts fls ss dds spd vl v p. a x ll b d, k:
mx lld vl dp s 14 V
Pssv (sdb) dd s ppxl 3.5 a
av sld s ppxl 45 a p sld
us s vls d os l, p b sd p d lld xl. D ds ss 6s dd d 2 slds p p (12 l slds) d f p, lss x l sb lld.
i s bs p d x l b 25% ps f s, dff ps f slds,d f -d pp.
n s l dvdl p ls , l l f ll ps.
o ll ll dl 101-s ss (ld 99 ss d 2 Pp/ms Vlvs), b f lbs f ss s b pd slsl, x l f bl s b lld.
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Cable Design Formulas
Wire Path Length Formula
L=
2 x Vdx 1,000
R x I
L
= w p l f s (1 p s)
Vd= alld vl dp
I
= mx p p
R
= w p ss /1,000 f /k
Vd(Voltage Drop)
Vd = Output Minimum operation voltage
Vd= (1.4 24V) 20V
Vd14V
Iw(Current In Wire Path)
Is s f ll dds s p d s f sls p slds.
o dd ss ppxl 3.5 a ( sld ff)
o sld ss 45 a (h sld kd 250 a dfl P F 2)
I= mx p p
Nd= nb f dds p
Ns= nb f slsl p slds (mx 14 p acc ll (12 vlvs + 2 P/mV))
I= (N
d0.005) + (n
s0.0035)
Rw(Loop Resistance)
R= Lp ss /1,000 f /k
ts ss vs b bl d l vls d b vd b bl f. t ss fs d bk ss, f b ds - p d s sl s .
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Cable (1 p)Rw
ohm/1000 ft (330 m)Rw
ohm/kmComment
#14-2 5.04 16.56 iDwire1
2.0 -2 ~ 10.98 m w g
#12-2 3.18 10.42 iDwire2
2.5 -2 ~ 7.02 m w g
#10-2 2.00 6.55 a w g
w s k . gd d ppl d s dd v ll ss, b sf s dd bs ss s (p 25%) s .
LwWire Path Length Formula:
L= w p l f s
L= 2 x V
d x 1,000R
x
I
Examples
all 101 (acc ll 99 ss pls 2 Pp/ms Vlvs ssd dds) dds sl p x 14 slds v (6 ps 2 slds p s pls 2 Pp/ms Vlvs) iDwire2 p.
English Metric
L
6,267 f2 x 14 x 1,000
3.18 ((101 x 0.005) + (20 x 0.045))
= =
OR L 1,913 2 x 14 x 1,000
10.9 ((101 x 0.005) + (20 x 0.045))
= =
1. 80 dds 5 slds v iDwire1 p.
English Metric
L
8,889 f2 x 14 x 1,000
5.21 ((80 x 0.005) + (5 x 0.045))= =
OR L 2,705 2 x 14 x 1,000
17.1 ((80 x 0.005) + (5 x 0.045))= =
Conditions:
t dds d v slds vl spd v p
gd s sd
Dds s p f pf 2 (dfl)
Design Suggestions:
rd x l b 25% ps f s d dff ps f slds d .
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Cables from Decoder to Solenoid(s)
t l d f dd ss s v dd f sld (vlv d) d v ls sld. ts vs x l, , s sll d spl d.
w lpl slds b vd b dd, l-s dds (icD-200, icD-400 d icD-600) b sd, bls d b b dd d slds. P dd s ls sld s pssbld s sd p b dd d slds. D not slds .
als s p f p f dd. if 2 slds b fd f s dd p, f dd s sld, d sd f s. t slds f d plll dd p.
i l s s dd v 100-150 f/30-45 bl ls b dd dsld. L ls b sd b ls ss sk l d dd d slds.Sppls s s P el ff l-dd "DtS" (dd sld) ps f s pps.
Multiple Solenoids from One Decoder Outputa x f 2 h sdd slds b d dd p.
t l-s dds ls v 2 slds p p, b f ps ll v slsl dd dpds vlbl vl p - p. t bl ds fls sd f ds f ll dd, P F s f dd, d b f sldsd dd. acc lls dsd dl 14 sls v slds (p 2 p s, pls2 PmV ps). us fls ds x l s-s b f sls sldsv, db.
Power Factor
t P F s ll f dd ls p sld s. i s l ss f s dfl vl (2). F "v d" slds, slds v f f ll, b ss s P F f sld ds v s f 2. ts s ls sss -sPp S rls.
Surge Protection
a d s p ss ks b ll p ss f sll d l s ffs, d bz ff f l l ss.
t dd lvl f p s v dd dd d f p d dd dd v 1,000 f/300 12 dd. F lvls f p, d dds fql.
t s l b f d s dd ss.
i s p b ll d dds dd d ds pls lss 10 osss. t d sld ls b sd d ss . a "lp " b sd fd s, s s s sld ss. gd ss ss sld b pfd "fll fpl" p dd sss. t d sld b sd ll f ss.
S p sd dd , d dd sld b pld v b dd b l sk d v. t dd s plx l p d s pssbl fll s s k. rpl dd f s vsbl d dv, f b dds lls v bdd.
P DtS (dd sld) w
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Earth Grounding HunterDecoder Systems
i s spsbl f c d ll llqp slld l l ss. gdps ll ld, b b ld , s dsbd fll pps.
us d lds uL lsd fd qsf uS nl ell cd (nec).
Controllers
a v , d f lls llld pp ld sl d d, pp dpl d 100 pds/45 k f PS l, s dd bl d p fll dl.
gd ds v d f 5/8"/1.5 d l f 10 f/3 . ts bdv d vl ps blql xd 45 ds l 8 10f/2.4 3 f l qp sd bls d , d ls -
p. i s b spd s uL lsd. [P elp b 182007]
t pp d pl ssbls [P el pb 182199L] s qs f s250 f nec. t b d f pp ll dd fd ppls d ll v dss f 4" x 96" x0.0625" (100 x 1.2 x 1.58 ). a 25-f (8 ) s l ( spls
lld lss s x ld pss) f 6awg sld b pp s b d
pl s ppvd ld pss. ts b slld s s l
s pssbl, d f s ss k bd sll b d sp v
ds f 8" d ldd l f 90. mllps sll b pd pl d ss s pss,
b sll b pld cdld "o-S" ks dl f.t d pl s b slld dp f 30"/75 ,
bl fs l f s l 30"/75 l 15 20f/4.5 6 f d d, l qp d sd bls. t 50-pd/22 k bs f PS[P el
p b 1820058] l s b spd s sds pp pl vl l s l 6"/15 d
. t s f sls, flzs d ls b sd pv sl dv bs s ls sv d ll s
pp lds d d b lss ffv .
Decoder controller
Two-wire path
Decoders in valve boxes
Earth Ground every 12thdecoder
(or 1,000 ft/330 m).
Grou
ndPlate
pla
ced
8ft/
2.5m
from
two-wire
path
Controller
o-wirepath
Plastic sweep ell(1 1/2 or larger)
Ground Rod
Cadweld connection
6 AWG Bare copper wire
Ground Plate4 X 36
PowerSet earthcontact material
Distance8feetfromGroundRod
Distanceequaltolengthof
GroundRod(8or10feet)
PVCPip
e
10AWG
BareC
opper
Shieldi
ngWir
e
Two-wi
rePath
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isll ll d ps s ls. w s ss k bds, d k sp s. tpv ld-dsd f - dd s d bls, ll lds sll b slld f sd s d bls. t sp b lds sll b 15 20 f/4.5 6 , s dp f s sl.
t --d ss f s s b sd s m, sl s, d ds b 10 s. if ss s 10 s, ddl d pls d PS bslld d f d . i s qd sl sd pp lds b kp s lvl f 15% ll s b dd s ll l.
Decoder Grounding
a v , d f dd ll ld pp d pl d ls ld 50 pds/22k f PS l, s dd bl d p fll dl.
t pp d pl ssbls [P el p b 182201] s qs f s250 f nec. t b d f pp ll dd f d ppls d ll v dssf 4" x 36" x 0.0625" (100 x 1.2 x 1.58 ). a 10-f/3 s l ( spls lld lss s xld pss) f 10 awg/5 2sld b pp s b d pl s ppvd ld pss.ts s b d dds d d 10 awg/5 2b pp "sld " s s dls. a 50-pd/22 k b f PS[P el p b 1820058] l s b spd s
sds pp pl vl l s l 6"/15 d p dl bl. Sls, flzs d ls b sd p pv sl dv bs s ls sv d ll s pp ds d lds d d b lss ffv .
isll ll d ps s ls. w s ss k bdsd k sp s. t pv ld-dsd f -
dd bls, ll lds sll b slld 6 8 f/2 2.5 f sd bls, d ls - p. if
ld s sd v l ss, sp b lds sll b 15 20 f/4.5 6 , s d p f s sl.
t --d ss f s s b 10 s. if ss s 10 s, ddld pls d PS b slld df d . i s qd sl sd pplds b kp s lvl f 15% ll sb dd s ll l.
Powe
rSet
Earth
Conta
ctMa
terial
Grou
ndPlate
(4X
36)
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Place Ground Plate
in 6 wide trench,
perpendicular to
the yellow Shield-ing Wire, 8 feet
away, 36 below
ground level.
Solidbarecopper
ShieldingWire
Groundlevel
Decoder In-Valve Box
Decoder Grounding
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Notes
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Hunter Industries Incorporated