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ENGINEEBING
P.O. BoX 11816 TUCSON. AZ 8s734
(s20) 294-3292 - FAx (520) 741-2837
w w w . i o t a e n g i n e e r i n g . c o m
The IDP-30 Distribution Panel is a compact, attractive, elec-
trical distribution panel designed to handte the 120 vott AC
and 12 volt DC distribution of an RV or other similar AC/DC
system.The 120 volt compartment is rated for 30 amps 120
VAC and for 50 amps 120 VAC depending on the modei,
and will accommodate from two branch circuits to a maxi-
mum of one pole nrain and seven branch circuits. Standard
configuration for an RV wrth 30 amp powercord is a 30 amp
main and five branch circurts. The 12 volt comoartment will
accommodate twelve circuits utilizing blade type fuses. The
panel is acceptable for Canada by utilizing optional bush-
ings in the 12 volt wire entry holes. lt comes with a standard
two-year warranty.
I. LOCATION
The IDP should be mounted on an interior vertical surface
where there is sufficient depth to allow for space for the
panel and wiring behind it. Typical locations include under
counter cabinetfronts or sides, below closet compartments,
overhead cabinet fronts, and bed pedestals. Under floor
storage compartments or in the back wall of closets are
not acceptable, as the panel must not be installed in the
rear of any storage compartment. Eye levei locations are
best, where possible, as it is easier to reset or replace break-
ers or fuses.
IDP-30 DISTRIBUTION PANEL
OWNER'S MANUAL
The location chosen must have access space in front for
service after installation. This space is defined by the Na-
tional Electric Codes as 24" wide by 30" deep. However, if
t h e I D P i s m o u n t e d f a c i n g t h e a i s l e , t h e n o n e o f t h e s e d i -
m e n s i o n s m a y b e r e d u c e d t o 2 2 " .
When choosing a nrounting location for the lDP. consider-
ation should be given to its proximity to supply components,
such as a powercord (or powercord/generator/inverter lines
frorn a transfer switch) on the 120 VAC side, and the bat-
tery/converter locations on the 12 VDC side. Where pos-
s i b l e , c o n s i d e r a t i o n s h o u l d a l s o b e g i v e n t o m o u n t i n g t h e
IDP toward the middle of the RV thus equalizing the length
o f t h e d i f f e r e n t 1 2 v o l t b r a n c h c i r c u i t s , i n o r d e r t o m i n i m i z e
DC voltage drop. This is preferred to circuits which must run
t h e e n t i r e l e n g t h o f t h e v e h i c l e .
II. CABINET PREPARATION
C u t a n o p e n i n g i n t h e f a c e o f t h e c a b i n e t f o r t h e I D P T h e
cabtnet face must be strong enough to support the unit dur-
ing vehicle operation. Approxlmate dimensions for the open-
i n g a r e 4 . 5 " h i g h a n d 1 0 . 7 5 " w i d e . l f t h e o p e n i n g i s c u t i n t o
light paneling the opening must be framed with support mem-
b e r s i n t o w h i c h D i s t r i b u t i o n P a n e l m o u n t i n g s c r e w s m a y b e
d r i v e n a n d t o w h i c h c a b l e s m a y b e a t t a c h e d .
D e t e r m i n e h o w m a n y b r a n c h c i r c u r t s w i l l b e u s e d . R e m o v e
the rectangular knockouts for those branch circuits. Mount
t h e I D P i n t h e o p e n r n g o n t h e c a b i n e t u s r n g f o u r s c r e w s .
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