Atwood AC-1361 User manual
AC IOM DUCTED 12/03/2014 rev 8 1
574-206-9713
Rooftop
Air
Conditioner
for
Recreational
Vehicles
Ducted Models
AC-1361 & AC-1511
•Installation •Operation
•
M
a
i
n
t
e
n
a
n
ce Effective 12/03/2014
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 thei
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 Atwood AirCommand air conditioning unit is
designed for installation on the roof of a recreational
vehicle to provide cooling with AC1361 models and
cooling/heating with AC1511 models.
-The roof must be capable of supporting the weight of the
unit which is 86lbs (39Kg).
-The absolute minimum thickness of the roof must not
be less than 1 inch (25mm).
-
Roof thicknesses between 5.0–6.5 inches (125 -165mm)
require extra-long hold-down bolts Atwood PN 15086.
-Trimming of the ductwork and/or bolts may be
necessary depending on the roof thickness.
It is important that the unit is installed properly
and according to the recommended guidelines.
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
inall
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
theroof
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
withinthe
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 theunit
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
thefollowing:
-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.
LITERATURE NUMBER MPD 15078
AC IOM DUCTED 12/03/2014 rev 8 2
Installation Guide – Ducted Atwood Air Command
Exploded view of Installation Parts
1. Air Command Cormorant Rooftop Air Conditioner
2. Polystyrene baffle x 1
3. Plenum deck assembly x 1
4. Hold down bars x 4
5. Filter x 1
6. Hold down bolts M8 x 4
7. Plenum fascia x 1
8. Screw, button head 20mm x 6
9. Cover plugs x 6
10. Control Pad & Extension cable (not shown)
11. Roof sealing gasket (not shown)
1
2
3
5
7
9
4
6
8
AC IOM DUCTED 12/03/2014 rev 8 3
INSTALLATION POSITION
Unit Installation
Before beginning, mark
out the
po
s
i
t
i
on
of the unit
considering
the
following
important
r
e
qu
i
r
e
m
e
n
t
s
:
-
The air
c
ond
i
t
i
on
e
r
should be
s
i
t
u
a
t
e
d
a
s
c
e
n
t
r
a
ll
y
as
possible on
the
vehicle,
to
ensure
even
air d
i
s
t
r
i
bu
t
i
on
.
-
The
front of theunit MUST
face
the
d
i
r
e
c
t
i
on
of
t
r
a
ve
l
;
failure
to follow
t
h
i
s
i
n
s
t
r
u
c
t
i
on
will
r
e
s
u
l
t
in
damage
to the
condenser
f
a
n
s
.
-If the
vehicle is over 23’
in l
e
n
g
t
h
,
or
has
an
unusually
high
h
e
a
t
load (see
G
e
n
e
r
a
l
O
p
e
r
a
t
i
n
g
I
n
f
o
r
m
a
t
i
on
s
e
c
t
i
on
regarding
e
x
p
e
c
t
a
t
i
on
s
a
bou
t
i
n
s
u
l
a
t
i
on
e
t
c
.),
Atwood
would recommend
2or
more un
i
t
s
to cool
effectively.
-
When considering
thei
n
s
t
a
ll
a
t
i
on
po
s
i
t
i
on remember
to
check
for
clearance around
the
plenum inside
the
vehicle.
-
Avoid an
i
n
s
t
a
ll
a
t
i
on
po
s
i
t
i
on
where
a
bulkhead,
cupboard
or lightfitting could
interfere
with the
discharge air
flow from the plenum.
CAUTION
It is important that the unit is never more
than
5
⁰
from the horizontal and the rear of
the unit should never be higher than the
front.
-
C
on
t
ac
t
A
t
w
ood
if
your
i
n
s
t
a
ll
a
t
i
on d
i
ff
e
r
s
s
i
g
n
i
f
i
ca
n
t
l
y.
ASSESS ROOF STRENGTH
-
The
roof
members
MUST
be
s
t
r
on
g
enough to
s
uppo
r
t
the
w
e
i
g
h
t
of theunit
86
lbs
(39kg)
without
any
roof
d
e
f
l
e
c
t
i
on
that will
cause
“pooling”of
water around
theunit.
C
on
t
ac
t
your
RV
m
a
nu
f
ac
t
u
r
e
r
to
confirm
the
max
load theroof
is able
to
handle.
If in
any
doubt
consider
the
use
of an e
x
t
e
r
n
a
l “H”frame.
-If theroof
does
not
have an e
x
i
s
t
i
n
g
hole
one
m
u
s
t
be
c
u
t
.
C
u
t
fromthe
roof
t
h
e
n
u
s
e
theroof
hole as a guide
to cut
t
h
r
ou
g
h
the
ceiling.
C
on
t
ac
t
your
RV
m
a
nu
f
ac
t
u
r
e
r
for the
b
e
s
t
m
e
t
hod
to cut
t
h
r
ou
g
h
theroof.
-
The square hole
intheroof
(
14”
x
14
”
)
MUST
be boxed up
with
minimum 3/4 inch
square timber
to
provide a
s
t
r
u
c
t
u
r
e
s
t
r
on
g
enough
to
w
i
t
h
s
t
a
nd
the
c
o
m
p
r
e
ss
i
on
of thei
n
s
t
a
ll
a
t
i
on
bo
l
t
s
.
This is also
to
e
n
s
u
r
e
that
air
is not
drawn
from theroofcavity
(Fig
3&
4).
R
e
m
e
m
b
e
r
to
leave
access
for wiring.
-Longitudinals MUST be fixed securely to the transverse roof
members to transfer load (see Fig 3).
Minimum 1 inch clearance from
side grills to any obstruction.
Minimum 8 inch clearance from
rear grills to any vertical face.
Minimum 4 inch clearance to any
45 degree face.
AC IOM DUCTED 12/03/2014 rev 8 4
WARNING
There may be electrical wiring located between
the roof and ceiling. Ensure that power is
properly disconnected at the supply (mains
and/or battery). Failure to do so may result in
personal injury or death
TIP:
Always use crawl boards across
theroof to
avoid
damage
POSITION UNIT ON ROOF
- Remove the air conditioner from the carton.
-Mount the air conditioner on the roof with the roof
gasket using either Fig 6 or Fig 6a.
-
Position the unit so that the four M8 mounting
holes will line up with the four corners of the square
roof hole (Fig 7).
TIP:
Have one person inside
theRV
looking
t
h
r
ou
g
h
the
hole while
theother
is on
theroof
a
d
j
u
s
t
i
n
g
the
po
s
i
t
i
on
of the unit.
Fig 6- Preferred Method: Gently set the unit over the roof
gasket which is attached and sealed to the roof.
Fig 6a- An Alternate Method: First attach and seal the roof
gasket to the bottom of the roof unit and then gently set unit
over the hole in the roof.
WARNING
The unit weights approximately 86 lbs (39kg).
Ensure a two person lift or use a mechanical
hoist to avoid the risk of injury.
-Do NOT slide the unit on the roof. This may
damage the gasket and result in leaks.
Fig 7- Shows the view from under the roof.
.79 MIN
AC IOM DUCTED 12/03/2014 rev 8 5
DETERMINE ROOF THICKNESS
-Measure the roof thickness and consult the table on next
page to check if adjustments to the hold down bolt and duct
length are required.
INTERCONNECTION CABLES
Three sets of interconnecting cables must be installed
before installing the rooftop unit. The three sets of
cables are for +12V power, connecting to the furnace,
and a communication cable between the wall mounted
thermostat and the rooftop unit.
+12V Power Connections
Customer provided +12V to the red wire in the
rooftop unit
Customer provided -12V return to the black
wire in rooftop unit
Furnace Connections
Furnace output wire to one of the blue wires in
the rooftop unit
Furnace input wire to the other blue wire in the
rooftop unit
These two connections are interchangeable
since the blue wires are connected to a relay
contact in the rooftop unit
Communication Connection
a
Roof Thickness -
Inch (mm) –
Include ‘H’
frame if
used.
Duct length
required –Inch
(mm)
Hold down bolt
length required
–Inch (mm)
4.92 (125)
5.71 (145) as
supplied
As supplied
3.94 (100)
4.72 (120) - Cut
.98 (25)
As supplied
3.15 (80)
3.94 (100) –
Cut1.77 (45)
As supplied
2.36 (60)
3.15 (80) –Cut
2.56 (65)
Cut 1.97 (50)
1.57 (40)
2.36 (60) –Cut
3.35 (85)
Cut 2.76 (70)
1.0 (25)
(absolute
minimum)
1.57 (40) –Cut
3.94 (100)
Cut 3.35 (85)
Interconnection diagram for AC models
with wall-mounted thermostat
RED
BLACK
BLUE
BLUE
RED
+12v
-12v RET
ROOFTOP AC UNIT
WALLMOUNTED
THERMOSTAT
+12V SUPPLY
(CONVERTER)
FURNACE
4-WIRE CABLE
115 VAC
Roof thicknesses between 5.0” and 6.5” require extra-long
hold down bolts available as Atwood Service kit PN 15086
This is a multi-conductor cable which connects the wall mounted thermostat to the rooftop unit. This
connection can be made with Atwood PN 15073 or alternatively with a customer supplied cable assembly
for which the customer assumes the warranty responsibility for the connections.
AC IOM DUCTED 12/03/2014 rev 8 6
CONNECT ACELECTRICAL SUPPLY
Installation must conform to local wiring codes and regulations or,intheabsence of local codes, theStandard
on Recreational Vehicles, NFPA 1192 and National Electrical Code NFPA 70.
-Connect AC power supply to wire leads fromunit
-Note: Brown wire from rooftop unit to Black or Red wire from customer –AC Hot
Blue wire from rooftop unit to White wire fromcustomer–AC Common
Yellow/Green wire from rooftop unit to Green wire from customer –Ground
Note: Atwood recommends the use of the Molex connector 19421-0001 (Atwood PN 15024) described on the next page.
WARNING
Ensure that power is properlydisconnected at the supply (mains and/or battery).
Failure to do so may result in damage to the unit and personal injury or death.
AC IOM DUCTED 12/03/2014 rev 8 7
AC IOM DUCTED 12/03/2014 rev 8 8
AC IOM DUCTED 12/03/2014 rev 8 9
Installation procedure for Ducted Models
1. Before installing the rooftop unit, be sure that the communication cable (supplied by Atwood) is installed
between the wall mounted thermostat location and the rooftop unit.
2. Remove self-adhesive backing from roof sealing gasket (11) and place around mounting hole. Apply a modest
amount of silicone sealant around the perimeter of the gasket. Position Cormorant air conditioner (1) over
14inch square hole. Front of air conditioner must face direction of travel.
3. Connect supply power to unit.
4. Connect control cable plug coming from unit to the control cable extension. Plug other end of control cable
extension into the control key pad at the remote location.
5. Cut polystyrene baffle (2) so that it is the same height as the distance from the ceiling to the steel base of the
air conditioner.
Note: The baffle has three sides covered with a self-adhesive foam strip. Cut height from the side without foam strip.
6. Once cut to height insert the baffle into the slot in the plenum deck assembly (3)
Baffle height = ceiling to base height
AC IOM DUCTED 12/03/2014 rev 8 10
Installation procedure for Ducted Models (continued)
7. Assemble the hold down bars (4) onto the hold down bolts (6). Raise the plenum deck assembly towards the
installation hole. Screw the hold down bolts (6) into the inserts on the base of the unit. Tighten bolts until firm,
but do not exceed 6 Nm (4.4 foot-pounds).
NOTE orientation of plenum deck to air conditioner. The return air side aligns with the front of the air conditioner; the
air outlet side is at the rear.
Note: Ensure that the hold down bars (4) are aligned with the recess in the plenum deck before tightening.
Front of AC aligns
with air return
AC IOM DUCTED 12/03/2014 rev 8 11
Installation procedure for Ducted Models (continued)
8. Attach plenum fascia (7) to plenum deck assembly (3) and caravan/RV ceiling with the six button head screws
(8) or user-provided wood screws. Cover the screw heads with the cover plugs (9).
AC IOM DUCTED 12/03/2014 rev 8 12
VERIFYING NORMALOPERATION
1. Turn
the
power on
atthe
c
i
r
c
u
i
t
breaker
2.
P
r
e
ss
the
O
N
/
O
FF
button
and press
the
MODE
buttonto
s
e
l
e
c
t
F
A
N
3. Cycle
t
h
r
ou
g
h
the
LO, MED and HIGH fan speeds checking
that
all speeds
run.
4.
S
e
t
mode
to
COOL,
a
d
j
u
s
t
t
e
m
p
via
up
/
do
w
n
bu
tt
on
s
to approx 6°F (3°C)
less
t
h
a
n
the
display
t
e
m
p
(ie. Room
t
e
m
p
)
compressor
will
s
t
a
r
t
within
three
m
i
nu
t
e
s
.
5.
S
e
t
mode
to
HEAT, similarly
s
e
t
t
e
m
p
to approx. 6°F (3°C) above
display
temp.
C
o
m
p
r
e
ss
o
r
will
s
t
a
r
t
within
t
h
r
ee
m
i
nu
t
e
s
.
After a
few
m
i
nu
t
e
s
the
fan
will
s
t
a
r
t
and warm air
will
be
apparent.
Note:
Regardless
of the
mode
s
e
l
e
c
t
e
d
t
h
e
r
e
will
always be
atl
e
a
s
t
a
3
minute
delay before
the
compressor
s
t
a
r
t
s
.
MAINTENANCE
I. Plenum Filters
The plenum
f
il
t
e
r
s
are
the
only p
a
r
t
s
that
requireroutine m
a
i
n
t
e
n
a
n
c
e.
They
m
u
s
t
be cleaned periodically
to
ensure
that
t
h
ey
do
not
become clogged
with
du
s
t
and other p
a
r
t
i
c
l
e
s and not covered by Warranty
.
To clean
thetwo
plenum
f
il
t
e
r
s
,
f
i
r
s
t
remove
t
h
e
m
bothfromthe
plenum
by
pulling
t
h
e
m
out of the
a
ss
e
m
b
l
y.
The
s
t
a
t
e
of the
f
il
t
e
r
s
can be
a
s
c
e
r
t
a
i
n
e
d
from i
t
s
appearance,
the
f
il
t
e
r
s
are
t
r
a
n
s
l
u
c
e
n
t
,
and
if
t
h
ey
appear clogged
t
h
e
n
t
h
ey
should be cleaned.
G
e
n
e
r
a
ll
y
the
f
il
t
e
r
s
can be cleaned
s
u
ff
i
c
i
e
n
t
l
y
by
t
a
pp
i
n
g
t
h
e
m
t
o
g
e
t
h
e
r
to
shake
l
oo
s
e
the
du
s
t
and
p
a
r
t
i
c
l
e
s
t
r
a
pp
e
d
i
n
s
i
d
e.
WARNING
Airborne particles can pose a health risk, particularlyto young
children and the elderly. Ensure that filters are cleaned in a safe and
well-ventilated area.
If
a more
t
ho
r
ou
g
h
cleaning is required
t
h
e
n
the
f
il
t
e
r
s
can be washed
out
u
s
i
n
g
warm soapy
w
a
t
e
r
.
Care
m
u
s
t
be
t
a
ke
n
to
avoid ripping the
fabric.
The
f
il
t
e
r
s
should be cleaned every
two
weeks
or
more when
in
use.
P
r
o
l
on
g
e
d
use, higher
c
on
c
e
n
t
r
a
t
i
on
s
of
airborne p
a
r
t
i
c
l
e
s,
and various other
f
ac
t
o
r
s
may
r
e
s
u
l
t
inthe
f
il
t
e
r
s
needing
to
be cleaned more
often.
R
e
p
l
ac
e
m
e
n
t
f
il
t
e
r
s
can be ordered
d
i
r
e
c
t
l
y
from
A
t
w
ood
Mobile
P
r
odu
c
t
s
,
LLC by calling
866-869-3118.
II. Mounting Bolts
A
t
w
ood
s
u
gg
e
s
t
s
that the
hold down bo
l
t
s
are initially checked
for
t
i
g
h
t
n
e
ss
withinthe
f
i
r
s
t
3
m
on
t
h
s
of i
n
s
t
a
ll
a
t
i
on
,
and thereafter every 12
m
on
t
h
s
if the
vehicle is
in
c
on
s
t
a
n
t
u
s
e.
III. Storage
The air
c
ond
i
t
i
on
e
r
should be
run
on a
routine basis
to
ensure
the
c
o
m
pon
e
n
t
s
remain
in
working
order.
If the
vehicle is
in
s
t
o
r
ag
e
or
is
to
remain unoccupied
for
an e
x
t
e
nd
e
d
l
e
n
g
t
h
of
timeit
is recommended
t
h
a
n
the
air
c
ond
i
t
i
on
e
r
is allowed
to run
uninterrupted
for
20-30min once every six
m
on
t
h
s
.
AC IOM DUCTED 12/03/2014 rev 8 13
OPERATING INSTRUCTIONS
- Turn the unit on by pressing the ON/OFF pushbutton once.
- Press the MODE button to cycle through the five mode selections:
COOL, FAN, HEAT, DRY, and AUTO Cool/Heat modes.
MODE - COOL
- Cycle mode pushbutton to highlight COOL.
- You may select HIGH, MED, LOW, or AUTO fan speeds by
pressing the fan pushbutton. It is recommended that you choose
Auto.
- The desired room temperature or set point isnormallydisplayed
on the digital display. To adjust the set point, press the TEMP up or
down
pushbuttons.
The compressor will have a delayed start
(usually 3 minutes) before unit begins to cool. Note: Any
interruption to the power supply will result in a delayed
compressor start up.
- To display the actual room temperature press the SLEEP pushbutton
for 5 seconds and the room temperature will be displayed. After
releasing the SLEEP pushbutton the display will revert back to
displaying the set point temperature.
MODE –FAN
- For simply re-circulating air, choose the FAN mode. Choose any of the three fan speeds by pressing theFAN
pushbutton. Note: Temperature pushbuttons are invalid in FAN mode.
MODE - HEAT (model 1511 only)
- To heat, press MODE pushbutton to highlight HEAT.
- Select desired set point temperature by pressing TEMP up or down pushbuttons. It is recommended that the AUTO
fan speed be selected.
- After the delay, the compressor will start. Usually the fan will stop and will not re-energize until the heat
exchanger has warmed and then the fan will start to blow warm air.
- The unit will heat in the heat pump mode in ambient temperatures above approx. 45°F. The furnace will
automatically engage at ambient temperatures below approx. 45°F.
MODE - DRY
- The DRY mode can provide mild dehumidification for room temperatures above the set point and when
additional cooling is not required.
- Press MODE pushbutton to highlight DRY.
- Set the temperature to desired set point. Note: the fan speed is locked in LOW.
- The compressor will cycle on and off at approximate intervals of 6 minutes to extract moisture from the air.
- For humid room temperatures below the set point - a separate, specialty dehumidifier will be more effective.
- The unit can provide no dehumidification if the room temperature is below 64°F (18°C).
MODE –AUTO COOL/HEAT
- This mode has an outdoor defrost mode (indicated by a flashing HEAT LED). During the outdoor defrost cycle, the
MODE pushbutton is inactive.
SLEEP FUNCTION
- With the unit operating in heat or cool mode, press sleep pushbutton to highlight the sleep light. The unit over the
next hour will automatically raise the set point by 2°F. Conversely in heat mode, the set point will be lowered 2°F.
TIMER FUNCTION
- The timer may be used to turn off the unit in the future (up to 24 hours) OR the timer may be used to turn on the unit
up to 24 hours in the future.
- Press TIMER pushbutton once and the display will flash.Within 3 seconds, press the timer pushbutton until you
have set desired time into the future to turn unit off. A subsequent press of the timer pushbutton will allow the time
to start the unit to be programmed.
LOCK FUNCTION (key symbol)
- This provides a means of locking in the mode and fan settings. To lock, press Temp Down pushbutton
simultaneouslywith MODE pushbutton. Hold for 3 seconds and the lock indicator will light. To unlock, repeat above
procedure.
Wall mounted Thermostat control. An AC only model
(AC-1361) will not have the furnace pushbutton on the
wall pad unit.
AC IOM DUCTED 12/03/2014 rev 8 14
DISPLAY SETTING
- To change readout from Celsius to Fahrenheit or vice versa: Press Temp Down pushbutton simultaneously with
the Fan pushbutton.
REMOTE CONTROL UNIT
Many models have a remote control unit which can adjust the thermostat remotely.
- The remote control has duplicated the thermostat input pushbuttons including: the ON/OFF pushbutton,
TEMP UP/DOWN, FAN, MODE, SLEEP, and TIMER pushbuttons
- LEDs in the thermostat control respond to a pushbutton actuation from the remote control unit in the same
manner as it would respond to the pushbutton actuation on the thermostat control.
- The remote control requires a CR2025 battery commonly available.
OPERATING INSTRUCTIONS FOR ADJUSTING THE THERMOSTAT
Press to select auto, high,
medium or low fan speed
Fan speed button
Press to activate on/off
timer programming mode
Timer button
Room temperature
setting button
Display timer setting, set or room
temperature in C or F
Temperature display
area
Key lock
Sleep button
Press once to select sleep mode
Press again to cancel sleep mode
Press to select cool, dry, heat,
fan, or auto operation mode
Mode button
Press once to start operation
Press again to stop operation
On/Off button
To receive wireless handset signal
Infra red reception
SENSOR
ON/OFF
COOL
MODEFAN
FAN
HEAT
DRY
AUTO
TEMP MED
LOW
HIGH
SLEEPTIMER FURNACE
Furnace button
This button is valid in heatpump +
furnace model only
Press once to select furnace as
primary heating
Press again to cancel furnace as
primary heating
1. Power On/Off
Press
ON/OFF
to start or stop the air conditioner.
2. Temperature setting
The temperature setting is always normally displayed. Press or to decrease or increase
the set temperature.
AC IOM DUCTED 12/03/2014 rev 8 15
OPERATING INSTRUCTIONS FOR ADJUSTING THE THERMOSTAT (cont.)
2. Temperature setting (continued)
To display the room temperature, press
SLEEP
button for 5sec or longer. While this button is depressed, the
room temperature is displayed until the key is released. Given the lack of display characters - if the control is
displaying temperature in Fahrenheit, temperatures of 100-109°F will be displayed as A0 –A9, temperatures
between 110-119°F will be displayed as B0-B9, temperatures between 120-129°F will be displayed as C0-C9,
temperatures between 130-139°F will be displayed as D0-D9, temperatures between 140-149°F will be
displayed as E0-E9, and temperatures between 150-159°F will be displayed as F0-F9. Temperatures are
displayed normally in degrees Centigrade.
Press and
FAN
together for 5 seconds will change the temperature setting from C to F. Valid
temperature set range is 16C-30C or 60F-85F.
Temperature setting is bypassed in Fan mode.
3. Mode setting
Press
MODE
button to change the operation mode as follow:-
Cool→Dry→Heat→Fan→Auto Cool/Heat
Heat and Auto mode is not available for cooling only model. Auto mode is not available for model where
furnace is primary heating.
Heat LED flashes during outdoor defrost cycle.
MODE
button press is invalid during this cycle.
4. Furnace setting (model 1511 only)
This function is available in heat pump + furnace model only.
Press
FURNACE
button to activate furnace as primary heating. Heat pump operation will be inhibited thereafter.
Press the same button again to disable the furnace function.
5. Fan speed setting
Press
FAN
button to change the fan speed：Auto→High→Medium→Low. Auto fan setting is bypass in Fan
mode. Fan speed setting is bypass in dry mode.
When furnace is working as primary heat source in heat mode, pressing
FAN
button for 5sec to turn the fan
off, display will show “FF”until button is released. Pressing
FAN
button again for 5sec to let the fan continue
running, display will show “F0”until button is released.
6. Sleep setting
Press
SLEEP
button to activate or deactivate sleep setting. Sleep is bypass in Fan and Dry mode.
AC IOM DUCTED 12/03/2014 rev 8 16
OPERATING INSTRUCTIONS FOR ADJUSTING THE THERMOSTAT (cont)
7. On/Off timer setting
When the system is on, setting the timer will turn off the unit after the programmed hours were counted down.
When the system is off, setting the timer will turn on the unit after the programmed hours were counted down.
Press
TIMER
button once to activate on/off timer programming mode. Timer LED and temperature display area
flash for 3 seconds showing the number of count down hours left. Thereafter, Timer LED flashes and
temperature display area shows the timer setting.
Press
TIMER
again to set the timer from 1 to 24 hours in 1 hour incremented in a round robin pattern.
Hold down this key will change the timer setting automatically every half second.
Press
TIMER
until the display shows “—“, and system will cancel the timer setting.
Should there be no further button press, system will exit from on timer programming mode automatically.
Timer LED will light up if on/off timer is set.
Press
ON/OFF
to start or stop the air conditioner will also cancel the timer setting.
8. Error code display
Should there be any fault happen with the main board, the relevant error code will be shown on the temperature
display area.
If there is multiple faults happen at the same time, the error code will be shown one after another.
System will alternate the display of error code and room temperature.
Depends on the model of main board, the error codes available are:
Fault
Error code
Room sensor failure
E1
Indoor coil sensor failure
E2
Outdoor coil sensor failure
E3
Insufficient of refrigerant
E4
Compressor overload
E5
Not used
E6
Not used
E7
Outdoor air sensor failure
E8
Wall pad room sensor failure
E9
AC IOM DUCTED 12/03/2014 rev 8 17
GENERAL SPECIFICATIONS
Air –Conditioner
H
e
i
g
h
t
-
12.8
inch (325mm)
Width
–
26.6
inch (675mm) AC Description Model Number
L
e
n
g
t
h
- 38.4 inch (975mm) 13.5K Ducted AC –White AC-1361W
W
e
i
g
h
t
–
84-86l
b (38-39kg) 13.5K Ducted AC –Black AC-1361B
Air Discharge Plenum 15K Ducted AC –White AC-1511W
H
e
i
g
h
t
-
2.6
inch (65mm) 15K Ducted AC –Black AC-1511B
Width
-
21.0
inch (535mm)
L
e
n
g
t
h
-
21.8
inch (555mm)
W
e
i
g
h
t
–
1.1
lb
(
2.4kg)
Model 13500
Model 15000
E
l
e
c
t
r
i
ca
l
R
a
t
i
n
g
:
115V, 60
H
z
115V, 60
H
z
Nominal Cooling Capacity
:
13,500
B
T
U
/
H
r
15,000
B
T
U
/
H
r
Nominal
H
e
a
t
i
n
g
C
a
p
ac
i
t
y
:
n
/
a
15,000
B
T
U
/
H
r
F.L.A.
C
oo
li
n
g
:
12.5
A
13.0
A
F.L.A.
Heating:
n
/
a
13.0
A
Locked
R
o
t
o
r
A
mp
s
:
63
A
63
A
R
e
f
r
i
g
e
r
a
n
t
:
R
410
A
R
410
A
R
e
f
r
i
g
e
r
a
n
t
:
18 Oz (510
g)
24 Oz (670
g)
T
o
t
a
l
I
n
s
t
a
ll
e
d
Weight:
84
lb (38 Kg)
86
lb (39 Kg)
AC IOM DUCTED 12/03/2014 rev 8 18
TROUBLESHOOTING
Control Pad will not illuminate when ON/OFF
button is pressed
Unit does not cool
Unit does not heat
Insufficient cooling capacity
- Check circuit breaker is on
- Control cable may be unplugged between outside
unit and inside fascia
- Check power supplyto vehicle
- Check circuit breaker is on
- Control cable may be unplugged between outside
unit and inside fascia
- Check power supplyto vehicle
- Ensure mode has been switched to heat (check
Green LED)
- Thermostat set point must be above room temperature
- The heat pump will only provide heat in ambient
temperatures above approx. 45°F.
- The furnace must be used as primary heat source in
ambient temperatures below 45°F.
- In very cold conditions the unit will take more time to
start producing warm air
Note: The compressor has a 3 minute delay before
starting
- Ensure return air filters are clean
- Operate the unit on high fan speed to obtain
maximum capacity
- Ensure all windows, doors, skylights and hatches
are closed and curtains/awnings used to reduce heat
load, check for adequate insulation in roof & walls
AC IOM DUCTED 12/03/2014 rev 8 19
ATWOOD AIR CONDITIONER LIMITED
W
A
RR
AN
T
Y
Atwood Mobile Products warrants to the original owner and subject to the below mentioned
conditions, that this product will be free of defects in material or workmanship for a period of two
years from the original date of purchase. Atwood’s liability hereunder is limited to the replacement
of the product, repair of the product, or replacement of the product with a reconditioned product at
the discretion of the manufacturer.This warranty is void if the product has been damaged by
accident, unreasonable use, neglect, tampering or other causes not arising from defects in
material workmanship. This warrantyextends to the original owner of the product only and is
subject to the following conditions:
1. For a period of two years from the date of purchase, Atwood will replace the complete air
conditioner if the coils and plumbing leaks due to corrosion. This warranty includes reasonable
labor charges required to replace the complete air conditioner.
2. For two years from the date of purchase, Atwood will repair or replace any part defective in
material or workmanship. This warranty includes reasonable labor charges, required to remove
and replace the part. Service calls to customer’s location are not considered part of these charges
and are, therefore, the responsibilityof the owner.
3. This warranty does not cover items classified as normal maintenance such as cleaning and
replacement of filters.
4. In the event of a warranty claim, the owner must contact, in advance, either an authorized
Atwood Service Center or the Atwood Service Department. Warranty claim service must be
performed at an authorized Atwood Service Center (can be found online @
www.atwoodmobile.com)or as approved by the Consumer Service Department, Atwood
Mobile Products, 1120 North Main St., Elkhart, IN 46514 USA. Phone: (866-869-3116).
5. Return parts must be shipped to Atwood “Prepaid”. Credit for shipping costs will be included
with the warrantyclaim. The defective parts become the property of Atwood Mobile Products and
must be returned as directed by the Consumer Service Department, Atwood Mobile Products.
6. This warrantyapplies only if the unit is installed according to the installation instructions, byan
authorized service technician provided and complies with local and state codes.
7. The warranty period on replacement parts is the unused portion of the original warrantyperiod
or ninety (90) days, whichever is greater.
8. Damage or failure resulting from misuse including failure to seek proper repair service,
misapplication, alterations, and water damage are the owner’s responsibility.
9. Atwood does not assume responsibilityfor any loss of use of vehicle, loss of time,
inconvenience, expense for gasoline, telephone, travel, lodging, loss or damage to personal
propertyor revenues. Some states do not allow the exclusion or limitation of incidental or
consequential damages, so the above limitations or exclusions maynot apply to you.
10. Any implied warranties are limited to two (2) years. Some states do not allow limitations on
how long an implied warranty lasts, so the above limitation may not apply to you. This warranty
gives you specific legal rights and you may also have other rights which varyfrom state to state.
11. Replacement parts purchased outside of the original air conditioner warrantycarries a
90 day warranty. This includes the part at no charge and reasonable labor charges to
replace it.
This Atwood AirCommand air conditioner is designed for use in recreational vehicles for the
purpose of cooling the cabin as stated in the “data plate” attached to the air conditioner. Any
other use, unless authorized in writing by the Atwood Engineering Department, voids this
warranty.
AC IOM DUCTED 12/03/2014 rev 8 20
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