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IHoneywellL404A

D

F

L604A

L

M

Pressuretrol@
Controllers
IA04andL604PressuretrofFJControllers
are
li7Jevoltagepressurecontrollersthatprovideoperatingcontrolautomaticlimitprotectionormanual
reset
limitprotectionforpressuresystemsof
up
to
300
psi
21
1
kglcm2
or
2068kpaIi
Can
be
used
with
steam
air
non
combustible
gases
or
fluids
non
corrosive
to
the
pressure
sensing
ele
ment
Stainless
steel
diaphragm
except
300
psi
21
1
kg
cm2
2068kPa
models
also
allows
use
with
monia
oxygen
distilled
water
and
similar
media
IA04B
is
recommended
for
supervision
of
atomiz
ing
medium
pressure
oil
burner
systems
Models
are
available
with
spstspdt
or
dpst
switch
ing
and
in
variety
of
operating
ranges
Dustproof
trouble
free
mercury
switches
all
mod
els
except
lA04F
which
has
snap
acting
switch
Automatic
reset
models
have
adjustable
subtractive
differential
except
L604MTrip
free
mechanism
on
manual
reset
models
as
sures
that
limit
function
of
controller
cannot
be
defeated
by
jamming
reset
lever
Screw
adjustments
made
on
top
of
case
Scaleplates
marked
in
English
psi
and
Metric
kg
cm2
units
lA04F
models
available
with
European
enclosure
British
Standard
Pipe
Threads
ground
screw
and
scaleplates
marked
in
kglcm2
and
either
psi
or
kPa
Clear
plastic
cover
on
case
to
observe
pressure
set
tings
and
switch
action
Leveling
indicator
visible
through
cover
Hexagonalfitting
with
1
4
18
NPT
internal
eads
for
direct
mounting
to
14026 Steam
Trap
SIphon
loop
Surface
mount
is
available
using
screws
through
holes
knockouts
in
case
backing
CONTENTS
Specifications
2
Ordering1nformation
2
Installation
5
Setting
and
Checkout
8
Service
Information
10
L
Z
Rev
3
95
@Honeywelllnc
1995
11111111111111111
II