Hotsy 1473P - User Manual

WARNING:
This product and accessories may contain a chemical known to the
State of California to cause cancer and birth defects or other
reproductive harm.
For more information about this regulation: www.P65Warnings.ca.gov
9.803-325.0-C 03/31/17
900/1400 Series
Hot Water - Gas-Fired
Operator’s Manual
Pressure Washer
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R
P
R
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R
T
Y
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A
M
A
GE
.
WARNI
N
PREC
AU
C
ION
/
A
V
E
RTISSEMEN
T
RISQUE
DE FE
U
OU
D
’
EX
PLOSION
RIESGO DE
IN
C
ENDI
O
O E
XPLOSIÓ
N
RI
S
K
OF
F
IR
E
OR
E
XPLOSIO
N
•
M
a
c
hi
n
e
n
e
e
d
s
t
o
b
e
i
n
s
t
a
l
le
d
o
n
no
n
-
c
o
m
b
u
st
i
b
le
wi
t
h
mi
n
i
m
u
m
clear
a
nc
e
o
f
18”
.
B
e
f
ore
lightin
g,
smell
al
l
a
r
ou
nd
t
h
e
applianc
e
area
f
o
r
g
a
s
.
B
e
su
re
t
o
s
m
ell
n
ext
t
o
th
e
be
c
a
us
e
so
me
g
a
s
is
he
av
i
er
than
air
and
w
ill
settle
on
th
e
If
y
ou
smell
g
a
s
,
imme
di
at
e
l
y
ca
l
l
y
o
u
r
ga
s
s
u
p
p
li
e
r
f
or
i
ns
tr
u
c
t
io
n
s
.
If
g
as
s
u
ppli
e
r
can
n
o
t
b
e
re
a
ch
ed,
cal
l
th
e
d
e
p
a
r
t
m
e
nt
.
Do
not
use
tools
to
push
in
o
r
tu
r
n
t
h
e gas
control
kn
o
b
.
If
knob
will
no
t
p
us
h
in
or
tu
r
n
b
y
hand,
ca
l
l
a
se
r
v
ic
e
technician
.
Usin
g
f
o
rc
e
or
attemptin
g
re
pai
r
ma
y
resul
t
in
a
or
e
xplosion.
S
h
o
ul
d
p
il
ot
outage
o
c
c
u
r
,
t
u
r
n
c
o
n
t
r
o
l
k
n
o
b
t
o
OF
F
position.
W
a
it
5
mi
n
ut
e
s
bef
ore
relighti
ng.
Do
n
ot
use
this
equipment
if
an
y
part
has
been
under
w
a
te
r
.
Immediatel
y
call
a
se
r
vice
technician
to
inspec
t
f
o
r repa
i
r
.
E
l
equipo
debe
ser
instalado
s
obre
un
pi
so
r
esist
en
t
e
al
incen
di
o
, con
un
espa
cio li
bre
de 18”
minim
o
.
Antes
de
e
ncende
r
,
ol
f
atee
alre
ded
or
del
a
p
a
ra
to
par
a
detectar
ga
s
.
E
sté
seguro
de
re
visar
cer
ca
del
p
iso
,
porque cier
tos gases son más pesad
os qu
e
el
air
e
.
Si
ol
f
a
te
a
g
a
s
,
a
v
is
e
inm
edi
atament
e
a
su
pr
o
v
e
e
d
or
d
e
ga
s
.
Al
no
localizar
el
pr
o
v
eedo
r
, llame
a
lo
s
bombero
s
.
No
us
e
h
e
r
ram
ie
nta
s
para
mov
er
el
contr
ol
del
ga
s
.
S
i
l
a
m
a
ni
j
a
n
o
s
e
p
ue
de
o
p
er
ar c
on
l
a m
a
no
, llame a
un
técnico
capa
ci
ta
d
o
.
F
orzar
o
intentar
repa
rar
est
e
control puede
resulta
r
en un incendio o e
xpl
osión.
E
n
e
l
caso
de
apagarse
el
piloto
,
apague
y
espere
5
mi
n
u
tos
a
n
t
es
de
encende
r
.
No
ut
ili
ce
e
ste
equipo
en
el
caso
que
hubiera
estad
o
sum
e
r
gid
o
en
a
g
ua
p
a
rc
i
a
l
o
to
ta
l
m
en
t
e
un
co
m
p
o
-
nen
t
e
.
Cons
ulte
con un técnico
de
se
r
v
icio
.
Ne
pas
insta
ll
e
r
ce
m
achine
a
ux
end
ro
its
où
il
y
a
des
co
mb
u
st
i
b
l
e
s
(m
ê
me
l
e
s
planch
er
)
de
d
an
s
un
demi
-mè
tr
e
.
A
v
a
n
t
l’all
u
mag
e
,
a
utour
d
e
l’
ap
pa
r
e
il
pour
d
e
s
s
ente
urs de
gaz
.
le
s
odeur
s
pr
ès du
pl
anch
er
car
c
er
tain
s
gaz
sont
plu
s
l
our
ds
que
l’air
et
s
’
ac
c
um
u
le
n
t
su
r
le
planc
h
e
r
.
Si
v
ous
déte
ctez
une
ode
ur
de
ga
z,
app
elez
i
mm
é
di
at
e
m
e
nt
v
otr
e
f
o
ur
nisseu
r
de
gaz
.
S
i
celu
i
-
ci
ne
peu
t êtr
e joi
n
t, a
ppe
ler le
dép
ar
t
ement de
s incen
die
s
.
Ne
pas
utili
se
r
d
’
o
ut
i
l
s
p
o
u
r
pou
s
se
r
o
u
to
u
rne
r
la
so
u
p
a
p
e
de
cont
rô
l
e
d
u
g
a
z
.
Si
la
so
u
pa
p
e
n
e
p
eu
t
ê
t
r
e
e
n
f
o
nc
é
e
o
u
to
u
r
n
ée
à
l
a
m
ai
n
,
app
el
e
r
u
n
te
chni
ci
e
n
F
or
ce
r
o
u
es
s
a
y
er
de
ré
par
er
peu
t cau
s
er un
f
e
u ou
une
e
xplosion.
S
i
l
e
p
il
o
te
s’é
tei
nt,
to
u
r
n
e
r
la
so
u
p
a
p
e
d
e
co
n
tr
ô
l
e
e
n
po
si
tion
OF
F
.
A
ttend
r
e
5
mi
n
ute
s
a
v
ant
de
réa
llumer
.
N
e
p
a
s
u
ti
l
i
s
e
r
c
et
é
q
u
i
p
e
m
e
n
t
s
i
u
n
e
p
a
r
t
i
e
a
é
t
é
i
m
m
e
r
g
é
e
dan
s l’eau.
App
eler
un technicien
pou
r insp
ecte
r celu
i-ci
.
8
.900-
9
9
0.0
CHAUD!
MODELS:
921N
1.109-691.0
926N
1.109-692.0
943P
1.109-695.0
943N
1.109-696.0
944P
1.109-697.0
944N
1.109-698.0
942P
1.109-693.0
942N
1.109-694.0
945P
1.109-699.0
921P
1.109-948.0
945N
1.109-700.0
926P
1.109-949.0
1453P
1.109-704.0
1453N
1.109-705.0
1454P
1.109-706.0
1452P
1.109-702.0
1454N
1.109-707.0
1452N
1.109-703.0
1455P
1.109-708.0
1455N
1.109-709.0
1451N
1.109-701.0
1456N
1.109-710.0
1473N
1.109-713.0
1474N
1.109-714.0
1451P
1.109-950.0
1475P
1.109-9520
1473P
1.109-711.0
1474P
1.109-712.0
1456P
1.109-951.0
1475N
1.109-953.0
For the Hotsy Dealer nearest you,
consult our web page at
www.hotsy.com

Summary

Safety

Introduction & Safety Information

Overview of the manual and general safety warnings for the pressure washer.

Important Safety Information

Critical safety warnings to prevent fire, explosion, and severe injury.

Propane Tank Safety Instructions

Safety guidelines and procedures for handling and filling LP-gas containers.

Operations

Technical Specifications

Lists models with pump, pressure, motor, voltage, amperage, and weight.

Machine Specifications

Details shipping weight, exhaust stack size, and machine dimensions for various models.

Component Identification

Identifies and explains the function of various pressure washer parts.

Assembly Instructions

Step-by-step guidance for unpacking and assembling the pressure washer components.

Installation Instructions

Covers location, gas codes, electrical, gas piping, and water source requirements for installation.

Operation Instructions

Details pre-start checks, starting procedures, and burner ignition for the pressure washer.

Shutdown Instructions

Steps to safely stop the pressure washer, including water and gas shutoff.

Storage Instructions

Guidance on properly storing the pressure washer, including protection from freezing.

Maintenance

Pump Maintenance

Information on Hotsy Pump Oil, proper care, and pump motor maintenance.

Gas Burner Servicing

Recommendations for servicing the gas burner annually or as needed by a service center.

Relief Valve Information

Details the factory-set, non-adjustable relief valve and warnings against tampering.

Unloader Valve Information

Explains the unloader valve is factory-set, non-adjustable, and warnings against tampering.

Heating Coil Maintenance

Discusses coil descaling and desooting, advising to contact a service center for issues.

Troubleshooting Guide

Table of symptoms, causes, and corrective actions for common pressure washer issues.

Burner Troubleshooting

Diagnoses problems with pilot flame, main burner ignition, and short-cycling issues.

Hotsy 1473P Specifications