Onan NH Series Operator's Manual And Parts Catalog

oloDE 1N4004
12
V.
LAMP
ZENER
DIODE
6VOLT.5WAT'T
tN5340
FIGURE
3. 24 VOLT GENERATING
LAMP
clearing out solder holes and
replacing the fuse with
a bare,
nun$er 36 wire and re-soldering
the holes.
Later rnodels use
a
9arnp fuse
(F1)
which is
located
irl the wiring
harness between
terminal 5
(on
printed
circuit
board)
and
battery. If fuse
is damaged
(caused
by connecting
battery backwa!ds), replace
with
an
SFE 9 automotive
type fuse.
Terminal 5 has a PC fuse
connection
(F2)
in
the battery
lead to
protect
the
printed
circuit boald from any
shorts
on the board
or from external remote
connections.
Terminal 10
has
a
PC fuse connectiofl
(F3)
in the
gen-
erator
lead to
protect
the
printed
circuit board from any
external
shorts when
using the remote connections,
If
F2 or
F3
printed
cilcuit board
path
is
"blown",
replace
either with
numbef 22 wire,
one
inch
long
and
solder
into circuit,
fAonAT {
D,o not attempt
to
cfiecft
lor cunent
I-.jJJ-::ji^-l
ow on the
printed
citcuit boatd by
junpeting
across
cotrponents
wi ffi a
screwdriver,
wire,
etc.
Always have ffiese boatds checked
by an authot-
ized
Qnan
service cenler
ot a
qualilied
electtician
using
tfie
proper
iastrirmenfs
(e.9.
voltmetet,
ohmmete4
or multimeter).
FIGURE
4. I2
VOLT GENERATING
LAHP
Fused Conneciions:
A small fuse
(F1)
used to
protect
the circuit against
leversed
battery connections,
is
located
under the
"STOP"
side
of Start-Stop
Switch
next to
CR4. If fuse is
darnaged, replace
by carefully
F
I
FUSE
(USEO
ON
EARLIER
I'.ODELS)
NOTE: Later models
use
a
9amp inline fuse
(Fl)
for
protectint
board against reverse
battery
con-
nections,
This fuse is located
in
wiring
harness
ONAN
START-STOP
SWITCH
306A329
(DPOT
I'|oMENTARY,
NORMALLY
OPEN)
REI.IOVE
WI
JUMPER
IYHEN
INSTALLING A
DC AI+1ETER,
between
terminal
5
and
battery.
't8
L-----___
0-20v
BATTERY VOLTI''ETER
F3
FUSE
FIGURE 5. REMOTE
WIRING SCH EMATIC

Onan NH Series Specifications

General

Brand	Onan
Model	NH Series
Category	Inverter
Language	English