Manual
LITERATURE N U M B E R MPD
15000
574-206-9713
Rooftop
Air
Conditioner
for
Recreational
Vehicles
Models
13500
and
15000
•Installation •Operation
•
M
a
i
n
t
e
n
a
n
ce Effective 04/16/2012
This air conditioner design has been certified by the Canadian
Standards Association for installation in recreation vehicles.
SERVICE CALLS & QUESTIONS
Location and phone numbers of qualified Service Centers can
be found at our website
http:/www.atwoodmobile.com
or call
866-869-3116 to locate a Service Center.
WARNING
:
It is important that this installation
manual is read and understood before
installation. The unit must be installed by a
qualified service technician. Failure to properly
install the unit or attempting to modify it in any
way can be extremely hazardous and may
result in property damage and personal injury
and will void the warranty.
BEFORE INSTALLATION
Ensure
that the
i
n
s
t
a
ll
a
t
i
on
i
n
s
t
r
u
c
t
i
on
s
have
been
properly read and
und
e
r
s
t
ood
.
I
n
s
t
a
ll
a
t
i
on
m
u
s
t
conform
to
Local wiring codes
and
r
e
g
u
l
a
t
i
on
s
or, in the
absence
of
local codes,
the
S
t
a
nd
a
r
d
on
R
e
c
r
e
a
t
i
on
a
l
Vehicles, NFPA 1192.
and
N
a
t
i
on
a
l
E
l
e
c
t
r
i
ca
l
Code NFPA
70.
DO NOT
attempt
to
modify
or
add
c
o
m
pon
e
n
t
s
to the
i
n
s
t
a
ll
a
t
i
on
procedure.
This
e
qu
i
p
m
e
n
t
m
u
s
t
only be serviced by a
li
c
e
n
s
e
d
r
e
f
r
i
g
e
r
a
t
i
on
mechanic to maintain warranty
coverage.
If
your
i
n
s
t
a
ll
a
t
i
on
varies
from the
m
e
t
hod
outlined
please c
on
t
ac
t
A
t
w
ood
Mobile
P
r
odu
c
t
s
,
LLC
for
s
p
e
c
i
a
l
t
y
advice.
Atwood will not be held responsible for problems
relating to incorrect or improper installation
methods.
GENERAL
INFORMATION
I. PURPOSE
This A
t
w
ood
AirCommand
air
c
ond
i
t
i
on
i
n
g
unit
is designed
for
i
n
s
t
a
ll
a
t
i
on on
the roof of
a
r
e
c
r
e
a
t
i
on
a
l
vehicle
to
provide cooling
with 13500 models and cooling/heating
with 15000 models.
-The
roof
m
u
s
t
be capable
of
s
uppo
r
t
i
n
g
the
w
e
i
g
h
t
of the
unit which is 99lbs (45Kg).
-The a
b
s
o
l
u
t
e
minimum
t
h
i
c
k
n
e
ss
of the roof
m
u
s
t
not be
less
t
h
a
n
1 inch (25mm).
-The
maximum
t
h
i
c
k
n
e
ss
of the roof
m
u
s
t
not exceed
5 inches (125mm).
-Trimming
of the
du
c
t
w
o
r
k
a
nd
/
o
r
bo
l
t
s
may be
n
e
c
e
ss
a
r
y
depending on
the roof
t
h
i
c
k
n
e
ss
It
is important
that the unit
is
i
n
s
t
a
ll
e
d
properly
and
according
to the
recommended
g
u
i
d
e
li
n
e
s
.
II. ENSURING EFFECTIVE OPERATION
T
h
e e
ff
e
c
t
i
ve
n
e
ss
of the
air
c
ond
i
t
i
on
e
r
is
d
e
p
e
nd
e
n
t
on
s
eve
r
a
l
f
ac
t
o
r
s
e.g. size and
h
e
a
t
load
of the
vehicle. When
an
A
t
w
ood
unit
is
i
n
s
t
a
ll
e
d
A
t
w
ood
assumes
that the
vehicle
i
s
well
i
n
s
u
l
a
t
e
d
with
1
inch (25mm) foam minimum
in all
walls and
roof, that the
w
i
ndo
w
s
are
of
m
od
e
r
a
t
e
s
i
z
e
(preferably double glazed) and
the roof
ve
n
t
s
are
airtight
when closed.
O
t
h
e
r
m
e
t
hod
s
of
reducing
h
e
a
t
load
include:
-Closing all doors,
h
a
t
c
h
e
s
,
w
i
ndo
w
s
and
b
li
nd
s
-
P
o
s
i
t
i
on
the
vehicle so
if
porch is used,
it will
face
the
s
un
and protect
the
w
i
ndo
w
s
from
d
i
r
e
c
t
radiation.
-Turning
off
appliances
that
m
i
g
h
t
increase
the
h
e
a
t
load
-
E
n
s
u
r
i
n
g
the
vehicle is parked
in
a shaded
po
s
i
t
i
on
.
In
periods
of
e
x
t
r
e
m
e
high
t
e
m
p
e
r
a
t
u
r
e
it
is
recommended
to
s
t
a
r
t
the air
c
ond
i
t
i
on
e
r
earlier
in the
morning
to greatly
improve
i
t
s
a
b
ili
t
y
to
cope
with the
e
x
p
e
c
t
e
d
high
h
e
a
t
load.
III. CONDENSATION
In areas
of
high
hu
m
i
d
i
t
y,
the
humid air
within the
RV
will
cause
“
s
w
e
a
t
i
n
g
”
or
c
ond
e
n
s
a
t
i
on
in
p
a
r
t
s
of the unit
as
the
humid warm air
c
on
t
ac
t
s
the
colder air discharge
s
y
s
t
e
m
.
If
t
h
i
s
occurs please ensure
the following:
-Closing all doors,
h
a
t
c
h
e
s
,
w
i
ndo
w
s
and blinds
to limit the
ingress
of
warm humid
air
-
Avoid running
the
inside fan on LOW
or
AUTO
in
s
u
c
h
c
ond
i
t
i
on
s
.
Running
the
fan on HI fan speed
will
r
e
s
u
l
t
in
higher airflow and reduce
the
t
e
nd
e
n
c
y
to have
c
ond
e
n
s
a
t
i
on
form.