IOTA IDP-30 User manual

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ENGINEEBING
P.O.BoX 11816TUCSON.AZ 8s734
(s20) 294-3292
- FAx [phone]
www.iotaen
g
ineerin
g.
com
TheIDP-30DistributionPanelis
acompact,attractive,
elec-
trical
distribution
panel
designedtohandtethe120vott
AC
and12volt
DCdistributionofanRVorothersimilarAC/DC
system.The120
volt
compartment
isratedfor30amps120
VACand
for50amps120VACdependingonthemodei,
andwillaccommodatefromtwo
branchcircuitstoamaxi-
mumofone
pole
nrainand
sevenbranchcircuits.
Standard
configurationfor
anRV
wrth30
amp
powercord
is
a30 amp
mainandfive
branchcircurts.
The
12voltcomoartment
will
accommodatetwelvecircuitsutilizing
bladetypefuses.The
panel
is
acceptable
for
Canadabyutilizingoptional
bush-
ingsinthe12voltwire
entryholes.
lt
comeswithastandard
two-yearwarranty.
I.
LOCATION
TheIDP
shouldbemountedonaninteriorvertical
surface
wherethereis sufficient
depthto allowforspaceforthe
panel
andwiring
behind
it.Typical
locationsinclude
under
countercabinetfronts
or
sides,
belowclosetcompartments,
overheadcabinetfronts,
andbed
pedestals.
Under
floor
storagecompartmentsorintheback
wallofclosetsare
not
acceptable,asthe
panel
mustnot
beinstalledinthe
rear
ofanystoragecompartment.Eye
levei
locations
are
best,where
possible,
as
itis
easiertoreset
or
replace
break-
ers
orfuses.
IDP-30DISTRIBUTION
PANEL
OWNER'SMANUAL
The location chosenmust have access
space infrontfor
serviceafterinstallation.
This space isdefinedbythe Na-
tionalElectric
Codesas 24" wide by 30" deep.However,if
theIDPismountedfacing
theaisle,thenone
ofthesedi-
mensionsmaybereduced
to22".
When choosinga nrountinglocation forthe lDP.consider-
ationshouldbe
given
toits
proximity
tosupply
components,
suchasapowercord
(or
powercord/generator/inverter
lines
frorna transfer
switch)on the 120VACside,and the bat-
tery/converterlocations
on the 12 VDC side.Where pos-
sible,consideration
shouldalsobe
given
to mounting
the
IDPtowardthemiddle
oftheRV thusequalizing
thelength
ofthe
different12volt
branchcircuits,
in
ordertominimize
DC
voltage
drop.Thisis
preferred
tocircuits
whichmustrun
theentirelengthof
thevehicle.
II.CABINETPREPARATION
Cutanopeninginthefaceof thecabinet
forthe IDPThe
cabtnetfacemust
bestrongenoughtosupporttheunit
dur-
ing
vehicleoperation.
Approxlmatedimensions
fortheopen-
ingare4.5"
highand10.75"wide.lf
theopeningis
cut
into
light
paneling
theopening
mustbeframedwith
supportmem-
bersinto
whichDistribution
Panelmounting
screwsmaybe
driven
andtowhichcables
maybeattached.
Determinehow
manybranchcircurts
willbeused.Remove
the
rectangularknockouts
forthosebranch
circuits.Mount
theIDPinthe
openrngonthecabinet
usrngfourscrews.

III.
120VOLTCOMPARTMENT
Install
an B gaugecopper
chassis
ground
wireto the IDP
ground
bar.
A holeinthecaseis
provided
for
wireentry
di-
rectly
tothebar.
Powercord-(Fig
A) Attach
a cable
clampin the l" round
opening
forthe
supplywire
(powercord.
feed
wirefrom
trans-
ferswitch,
etc.)Attach
and tighten
the cable
clamp
nutas
required.
Remove
outer
sheathingfrom
the
supplywire,
and
trim
leads
(recommended
'l
.5"
forthe
ground
wire,
and2.S"
fortheneutral
andhot
wires;see
wire
stripping
guide,
Fig.
B).
Strip1/2"
insulation
fromthe
endsof
thelead.Insert
the
wire
through
theclamp.
Connectthe
green
(ground)
conductor
to
the
firstterminal
on the
ground
bar
located
toward
thefront
ofthecompartment.
Connect
thewhite
(neutral)
conductor
tothe bottom
terminal
on lhe neutral
barlocated
attherear
ofthecompartment.
Tighten
screws
on cable
clampto se-
cure
supplywires.
Do notinstall
circuitbreakers
until
other
connections
are
rnade
first.
Branch Circuits- (Fig.
C)Remove
sheathing
fromnonme-
tallic
branchcircuit
wiring,
andtrimleads
(recommended
1.5"for
the
ground
wire,
and2.5"for
theneutral
and
hot
wires:
seewire
stripping
guide,
Fig.
B.)Strip
1/2"rnsulation
from the ends of the leads.
Insert
wires into rectangular
openings;
the
sheathing
mustintrude
intothecompartment
114"
ormore.Wedge-shaped
cabie
clampscan
be
provrded
for
theIDP-30
tosecure
thebranch
circuit
nonmetallic
cables
inside
theboxas required
bytheNational
Electric
Code.lf
wedge
clamps
arerequired,
contact
Customer
Service
at1-
800-866-tOTA
U682\.
Insert
ground
wireinto
the
ground
barandtighten
terminal
screw.Attach
theneutral
conductor
to
theneutral
bar.Tighten
securely.
The NECallows
onlyoneconductor
per
termrnal
on the neutral
bar.Repeat
this
process
with
allthebranch
clrcuits.
IV.CIRCUIT
BREAKERS
lnstall
circuitbreakers
(Fig.
D.).Connect
biack
(hot)wires
to
thecircuit
breakers.
Tighten
securely.
The
NECallows
only
one conductor
perterminal
inthe circuit
breakers.
NOTE:
The IDP-30
islisted
toaccept
anystandard
1"wrdecircuit
breaker
and interchangeable
models
currently
on themar-
ket,whether
one
pole
ortwin.lt
is
notbrand
orpart
number
specific.
Referto the specifications
labeled
on the IDP-30
forthe
maximum
circurt
breaker
amperaoe.
FIG.
A. POWERCORD
CONNECTION
GROUND
8AR
(GREEN
wtRE) TOPOWERCORD
NEUTRAL
BAR
(WHITE
WIRE)
a"|Dm
m
II
FIG.B.WIRE
STRIPPING
GUIDE
FIG.
C. BRANCH
CIRCUITCONNECTIONS
GROUND
BAR
(GREEN
WIRE)
NEUTRAL
BAR
(wHrrE
wrRE)
l(_ 2.5"___Dl
NEUTRAL
CONDUCTOR
iI
LU
E
m
m
BRANCH
CIRCUIT

FIG.
D.CIRCUIT
BREAKER
CONNECTIONS
GROUND
BAR
(GREEN
WIRE) TOPOWERCORD
NEUTRAL
BAR
(WHITE
WIRE)
FIG.
E
-
CONVENIENCE
RECEPTACLE
CONVENIENCE
RECEPTACLE
NEUTRAL
BAR
(WHITE
WIRE)
FIG.
F
.12
VOLTCONNECTIONS
TO12V
SOURCE
REAR
OF IDP
V.CONVENIENCE
RECEPTACLE
A 15
amp
receptacle
isavailable
on
the
back
ofthe
lDp-
30as
a convenientplace
to
plug
inthe
converter
(FlG.
E).
The
receptacle
may
beona
dedicated
circuit
orit
may
be
wired
as
part
ofa 15
amp
general
purpose
branch
circuit.
lf
the
convenience
receptacle
is
present,
connect
its
green
(ground)
and
white
(neutral)
wires
tothe
ground
and
neu-
tralbar
as
withother
branch
circuits.
lf
it
is
ona
dedicated
crrcuit,
connect
the
blackwire
to
thebreaker.
lf
itwill
beon
a general
purposecircujt,
attachits bjack(hot)wire by
means
ofa wirenut
to a 6" black
conductor
cutfrom ex-
cessbranch
circuit
wiring.
Connect
the hotwire
fromthe
branch
circuit
cabletothe
same
wirenut.
Attach
theother
endofthe6" blackwire
tothe breaker.
VI. 12VOLT
CONNECTIONS
All
wires
connected
tothe
DCfuse
panel
extend
out
ofthe
back
ofthe
IDP
unit
(FlG.
F).
Red
andbtue
wires
areta-
beled
with
thefuse position
number
for easeof wiring.
Connect
numbered
wires
todesired
circuits
and/or
appli-
ances.
Connect
the
chassis
ground
tothe
groundbar
on
the backof the lDP.
Connect
thetwo black
wiresto the
12V
power
source
such
asthe
battery
orpower
converter.
The fuse panel
willaccommodate
ATO/ATC
sizedblade
fuses.Install
fuses
or breakers
ofthecorrect
amperage.
Proper
protection
maybeeither
toprotect
wires
ofa cer-
tain
sizeon
ageneral
purpose
branch
circuit.
ortoprotect
individual
appliances,
such
asa water
pumD
or
a TV an-
tenna
booster.
on
a
dedicated
circuit.
CANADIAN
REQUIREMENTS:
Canada
requires
that
ail
12 voltfuses
usedin RVs be listed
to CSA standards.
Thereis also
a requirement
in Canada
that
low
voltage
panels
beenclosed,
"...such
that
an1/8'"
diameter
rod
shall
not
penetrate."
For
installation
in
Canadian
RVs.
snap
the
optional
round
bushings
into
the12
volt
wire
entryholes;
they
maybe installed
fromtheoutside
or inside.
The pie-
shaped
fingers
inthe
bushings
bend
to
allow
wiring
topass,
yet
fill
in
theremainder
ofthespace,
complying
withCa-
nadian
requirements.
VII.
FRONT
COVER
Install
the front
coverby means
of thedecorative
screw
provided.
Make
sure
all
wires
areneatly
tucked
inside
and
none
are
prnched.Tighten
snugly
withthe
screw
provided.
VIII,
LABELS
lnstalllabels
for
120
voltand
12
voltcircurt
identification.
Labels
maybe
preprinted
orblank
labels
mav
be
filledin
bvtheinstaller.
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GROUND
a
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rn
ut
CIRCUIT
BREAKER
t--_,_
l..ln
l

(MANUFACTURING
COMPANIES
ONLY)
1)Turn
on
allcircuit
breakers
in
panel.
2)Make
sure
all
power
supplies
includinginverter
and
gen-
eratorare
off.
lfthereareother
power
supplies
present,
andthey
areelectricaliy
connectedto
theRVsystem
by
means
ofatransfer
switch,refer
tothe
transferswitch
hi-
pot
instructions
before
proceeding
further.See
Note.
3)Tu
rnoffordisconnect
all
appliancesthat
wouldbedam-
agedby
the
hi-pottest.
4)
Connect
the
hi-potleadsto
the
powercord
plug:one
lead
tothe
hotandneutral
prongs,
theother
leadtothe
ground
prong.
5)Energize
thehi-pot
andconducttest.
Thiswtll
hi-pot
testfor
leakage
(short)
betweenthecurrent-carrying
con-
ductors
and
the
ground
intheentireRV
120VAC
circuitry.
Itwill
alsotestthe
powercord
itself.Turnoff
hi-pot.
6)lfhi-pot
testfails
there
is
a short
in
the
system.The
nextstep
is
to
isolate
thelocationof
theshort.Turn
offthe
mainbreaker
in
panel
andhi-pottestagain.
lf
testfails,
faultisbetween
the
cord
plug
andthe
panel.
Testcord
for
shorted
plug.lf
second
test
passes,
turn
onmainbreaker,
and
turnoff
allbranchbreakers
exceptone.
Retest
each
branch
circuit
individuallyuntil
shortcircuit
is isolated.
Repairfaultand
retest.Hi-pottest
issuccessful
whenthere
arenomore
faultindications.
NOTE:lfthe
hi-pottestis
performed
from
the
plug
onthe
powercord,
andthereisa
transferswitch
present,
the
test
mayonly
hi-potthecorditself;
itmaynottest
theRVwiring
beyond
theswitch.
Inthiscase
thehi-pottransfer
switcn
shouldbe
performed
fromeitherthe
transferswitchoutput,
orfromthe
main
panel,
as
wellas
fromthe
plug
totest
the
cord
itself.
AllIOTAPower
Productscomewith
atwo-year
warranty.
IOTAwarranties
their
products
inthecontinental
United
StatesandCanada
fromdefects
inmaterialsorworkman-
shipunder
normaluse
fortwo
years
fromdateof retail
purchase
and
willrepair
orreplaceany
product
underwar-
rantyfoundtobedefectivefree
ofcharge.
Forcomplete
warrantyinformation,
consultCustomer
Serviceor visit
www.iotaengineeri
ng.com.
EE"TA
ENGINEEBING
P.O.
BOX
11846TUCSON,
AZ 8s734
(520)
294-3292
- FAX
[phone]
www.
iotaen
g
inee
rin
g.
cofi
R,::vU9l!106
6r357-iJ05