Comfortaire RAD-303A User manual

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Thank you for buying a dependable, energy-saving and easy4o°operate
room air conditionen This manual contains useful information for
you to maintain, operate, install and safely use your room air conditioner.
Your air conditioner cleans, cools and dehumidifies the air in your room to
provide you with the ultimate level of comfort°
Pleaseread instructionscarefully before using the product. Also, do not
forget to fill out and mail the Product Warranty Card.
Record Your Model and Serlai Number°
For all your service calls during the warranty period, the following
information wiJJbe needed. Attach the sales receipt to this guide and keep
for future reference. This information can be obtained from the serial plate,
which is on your air conditioner. This is either on the cabinet (side or back),
or you may have to remove the front grille to locate it.
Modal Number: ..............................................................
Serial Number: ...............................................................
Date of Purchase: ...........................................................
Dealer's Name: ..............................................................
Dealer's Address: ............................................................
Dealer's Phone Number: ...................................................
WALL OUTLET
FUSE
TABLE
RECEPTACLE AND
125/60
520
15 20
Plug Plug
TYPES
75
250/60
20 3O
JFUSE 5mZE 15 20 30
TiME DELAY FUSE
j Ior clrcuit breaker) Pmag

S
])Air conditioner must be connected to proper electricaloutletwiththe
correct electrical supply. {see table]
2) Proper grounding must be ensured to reduce the risk of shock and fire.
DO NOT CUT OR REMOVE THE GROUNDING PRONG. If you do
not have a threeoprong electric receptacle outlet in the wall, have a certified
electrician install the proper receptacle. The wall receptacle MUST be
properly grounded.
3) Do not use if power cord is frayed or otherwise damaged. AJso avoid
using it if there are cracks or abrasion damage among the length, plug or
connector.
4) DO NOT USEAN ADAPTER OR AN EXTENSION CORD.
5) When instamJingyour air conditioner in a window, make sure the window
is strong enough to homdthe weight of the air conditionen You aJsowant to
secure and correctmyinstall your air conditioner propermyto prevent it from
faJJing. Extra brackets and or support may be required depending
on your window_
6) Do not bmockairflow inside or outside the air conditioner with bminds,
drapes, protective covers, shrubs or bushes_
7) Be carefumof sharp edges on the front and rear fins of the unit that coumd
cut and cause serious iniury.
8} Be carefumwhen miffingthe air conditioner to instaJmor remove the unit.
Always use two or more peopmefor this.
9) Amwaysunpmugthe air conditioner before servicing it or moving it.
2

A Word From Comf0_oAire
Product Registration
Safe,/Precautions
EmectrlcamSafe_
Energy Saving Guide
Features
Operating Guide
Normal Operating Sounds
Operating instructions
1
1
4
4
5
5
6-7
8-148
8-14
Parts
Tools
Installing Unit into A Window
Clean and Care Gulde
17-22
24-25
3

FoJJowingthe safety messages is very important.
These messages can save you from being injured or kiJJed.
Warning symboJsaJert you to be carefuJ and means Danger. AJways
foJJowinstructions to be safe and reduce chances of injury or death.
Warning and Danger signs wiJJprecede safety messages.
Grounding: This room air conditioner must be grounded.
Grounding reducesthe risk of eJectricshock by
providing an escape wire for the eJectriccurrent.
The power cord has a grounding wire vdth a
grounding pJug. PJugit into an outJetthat is
properJy instaJJedand grounded.
WARN|NG:
Adapter PJug:
Improper use of the grounding
plugcan result in a risk of electric shock.
Calla quaJified electrician if you don't understand
the grounding instructions or if you are not
sure if the air conditioner is properly grounded_
if the wall outlet is not grounded, please contact an
electrician to have it replaced with a properly
grounded outlet.
Do not, gnder any ¢ircg_stances, cgt or remove the
third (grognd} prong from the power ¢Ordo
We strongJyadvise against using an adapter plug.
Test power pJug before each use:
1. Press"reset "button.
2 oPress"test "button, unit shouJd trip.
3o Press"reset" button again for use.
Do not use if above test faiJ.
Jnthe event this device trips, the cause of the malfunction is to
be corrected before further use of the device.
4

o Air Conditioners are designed for use in a double hung window or
through the wdJ instaJlafion onJy.(As appJicabJe in your modem)
®WhiJe instaJJingunit be sure to flit air conditioner 5 degree outward to
have the water drip outside the house°
• instaJJthe unit on the north side as normaJJythat is the shaded side° This
wiJJenhance the operation of your unit.
Window has to be strong for instaJJafionoExtra brackets and or support
may be required depending on your window_
Measure the window before instdJing, if the window is too big for the
unit you may require professionaJ instaJJafion.
Use correct eJectricvoJtage and proper ampere for the unit to run
effecfiveJy.
OnJy Jeta certified eJectridan do any modifications to your eJectricaJ
outJet.
When instaJJingyour air conditioner make sure to seamaimareas where
there is a possibiJity of air Jeakage.
AirfJow shouJd not be bJocked inside either by curtains, drapes or
furniture or outside by shrubs or bushes.
Do not needJessJyuse an dectricaJ mightor other appJiances that
produce heat°
Keep the bJinds and the drapes drawn on aimthe other windows.
WhiJe cooking use an exhaust fan in the kitchen to remove the excess
heat produced_
®AJways use the correct BTUsize air conditioner to cod the room to
attain optimum efficiency.
5

side vent
louvers
easy-access
filters
electronic
touch pad
/slide°out
vent slide lever chassis
1° Thermostat
This allows you to adjust the temperature of the air.
The lower the setting the cooler the air temperature.
With this you can set the temperature to your
desired comfort level You can set the temperature
between 61 ° F and 86 ° F
2o Fan Speed
With this you can control the fan speed as well as
the A/C (cooling) speed.
You have 3 levels of A/C Speed for you b set at
your desired level. LO will circulate air at the
lowest vdocb/, MED at medium velocib/and HiGH
will circulate af the maximum.
You have 2 levds of Fan Speed b set at your
desired comfort level. MED and LO.
Aub Fan allows the room temperature b set the fan
speed. When the function is sef_ fan speed is to be
debrmined according b the difference between the
set bmperature and the temperature inside _he
room_ Once the set temperature is reached the fan
will run at the LO Seffing.
;3, Function_
Your a;r cond;fioner has 3 Functions.
a) A/C.
Here the air conditioner will operate the compressor
and the desired fan speed set to give you chilled
cold air for your comfort.
b) Dehumi&
This enables your air conditioner to operate as a
dehumidifier as well. It will remove the excess
moisture from the air to keep your room at a
comfortable dry stage. You can use this feature
alone in case you do not desire to use the air
conditioner,
c} Fan Only
You can run the fan only on not so hot days. The
fan can be set to run at 2 speeds (reed fan, low fan)
as desired by you.
4. Energy Saver
When turned "ON" the fan will shut off 3 minutes
after the compressor cycle off. This wiJJnot only
save you electrical and energy costs but also shuts
off the unnecessary noise of the fan motor running.
in the "OFF" position the fan wiJJnot shut off when
the compressor cycles off. The fan will keep running
at the set level.
5, Timer
Your air conditioner can be set to go on or off at
your desire. This can be done up to 12 hours in
advance.
6

6. Vent
This feature helps you to exhaust any stale
unwanted air from the room and draw fresh outside
air in the room. Tocirculate the air, bring the lever
to the open position (right). To retain the cool it is best
to keep this in the closed mode( Jeff)_
7. Air Sweep
When left on "ON" this automatically distributes the
air through out the room. This will ensure an even
airflow through out the room_
8. 4 Way Air FJow
These air directional louvers Jetyou control the
direction of the airflow in your required direction.
The airflow can be directed
up -down -right side -left side.
9. SJJde Out Chassis
Your Air Conditioner becomes more versatile with
this feature. You have the option to install the unit in
a window or the wall
JO_ Window |nstQH J(it
Enables you to install the air conditioner in a
double hung window_ Extra brackets or support
may be needed depending on your window.
11. Remote ControJ
This fuji functional wirdess remote allows you to
operate your air conditioner from a distance. You
need not have to get up to change the settings, the
functions or to turn the unit on or off.
12. LED J)ispJay EJectroni¢ ControJ Par_eJ
The 4 function LEDdisplays Room Temperature,
Temperature Setting, Timer Setting and Time
Remaining to Stop / Start the unit. Electronic
Control Panel lets you set the temperature to the
Exact Temperature you desire.
13° Electrostatic Filter
Being constructed of high efficiency purifying
substance, active carbon fabric, dectrostatic fabric,
electrostatic active carbon net and other materials
it purifies the air effectivdy, its wavy structure
increases the capability to filter dust and smoke
effectiveJy_Due to the retention of the active carbon,
it has a high purifying speed capable of
strong airflow.
14. SJeep
"Whenactivated, this feature automatically setsan 8
hour shut off timer. The unlt will shut off in 8 hours.

IIIII1md @pc tilll S@ Hds
Thefollowing sounds are normally heard during the operation of an air conditionen
o Cool airflow movement as dictated by the setfan speed.
_,Water sounds. This is normal as your air conditioner acts as a
dehumidifier also. Thusyou will hear water sounds from water drops
falling on the condenser.
®As the refrigerant flows through the inner sealed tubing a rushing noise
may be heard.
Rattling or vibrating noises may be heard due to poor waJJ
or window installation.
High pitch compressor sound may be heard.
Following are the operating instructions of your electronic air conditioner.
After installing your air conditioner plug it in to the proper electrical outlet
in the waJJoKeep the vent in the dosed position_ Now setthe air
conditioner at your comfort level. This fuji functional wireless remote allows
you to operate your air conditioner without having to get up and go to the
unit. The fuji function feature allows you to change the settings and turn the
unit on or off from the remote itself°Thiscontrol pad works the same as
the control pad on the air conditioner.
(See Fig° # 1)
Fig. # 1
Remote ¢@ntroJ
8

After you plug in the unit it will perform a self test. All the display lights
wiJJturn on for 3 seconds. The LEDdisplay wiJJread "88". if any display
light fails to turn on you may need service on the unit. After the 3 seconds
self test the unit wiJJautomatically go to the stand by mode. Now aJJlights
,,viii be off and you will have to turn "ON" by pressing the On/Off key.
After pressing "On/Off", the unit starts to work and enters the status of
"Fan Only" with low setting. You wiJJhave to press the (+) or (o) key on the
Temp/Time to set the temperature at your desired comfort. You can choose
between 61 °F and 86°F. Once the temperature is setyou can raise or
lower it by pressing the (+) or (-) keys. (Only when the unit is coding or
dehumidifying, can the temperature setting be adjusted.} (See Fig. # 2)
Fig. # 2
Control Pane|.
Having set the temperature you will set the function of the air conditionen
If you want to cod the room press the A/C function. Jfyou need to only
remove the moisture press the Dehumid function. If you just need to usethe
fan only, press the Fan function. (See Fig. # 3}
g

Fig. # 3
Control Panel.
Once the function mode is decided you will have to set the fan speed. If
you choose the A/C mode you can run the fan in one of the 3 speeds Hi,
Med., Lo or in the Auto speed. In the Auto speed the fan will start at High,
Med or Lo as the temperature varies in the room.
Tr: temperature inside the room.
Ts: the set temperature.
When Tr >Ts+2°F, the Hi is to be automatically. When TroTs,the Lo is to be
set. When Ts<Tr_<Ts+2°F,the Med is to be set. Once the set temperature in
the room is reached the Auto fan setting will have the fan running on Loo
it takes 3 minutes to switch the fan speed. (See Fig. # 4)
Ponemo
10

1[you choose fo use the Dehumid function. This will remove excess moisture
from the air on excessively humid days.
Tr: temperature inside the room°
Ts: the set temperature°
1) When Tr>Ts+3°F, the compressor will run continuously the fan at the
selected speed.
2)When Ts-] °F<Tr<Ts+3°Fthe compressor will cycle for 10 minutes on
and 6 minutes off.
3)When Tr<Tsol °F, the compressor will shutoff.
Thedehumidification processtakes place between the settemperature ol
and 3°F above the settemperature. (See Fig. # 5)
Fig. # 5
ControJ Panel°
For cool days you may want to run the "Fan Only" function. Here the fan
runs only at one of 2 speeds, Med. or Lo. The fan wiJJ not run at the High
speed. (See Fig. # 6)
Fig. # 6
Contro| PaneJ°
11

Timer start or Timer stop mode is used to pre-start or shut off your unit in
advance. You can program this up to 12 hours in advance. You can use
the Timer in 3 functions i.e. A/C, Dehumid. or Fan OnJy.
_'Timer Start. (See Fig° # 7)
Unit must be on tO set the timer. Unit wiJJshut down automatically after it
accepts the settings in 5 seconds° Use this mode to pre-set the start time of
the unit 12 hours in advance.
a) Press Start, LED dispJay wiJJshow "XX" (time set Jasttime} when power
is connected first time, LEDdispJay wiJJshow "01"
b) Set desired number of hours by pressing the (+} pad of the Temp/Time
buttons, one for each hour. Jfyou passed the desired time use the (°) pad
key to lower the seJection.
oTimer Stop (See Fig. # 7}
Unit must be running to set the timer off° Use this to preset the time you
wouJd mikethe unit to shut off.
a} Press stop, LED dispJay wiJJshow "XX" (time set masttime} when power
is connected first time, LEDdispJay wiJJshow "01" .
b} Set desired number by pressing the (+} pad of the Temp/Time buttons.
One for each hour. if you passed the desired time, use the (-) pad key to
mowerthe seJection.
When using the timer the unit wiJJuse/revert to the JastA/C and fan
settings when activated. The timer must be reset every time you choose to
use it.
Panel
Pressing the mode one time, the setting of Timer start, Timer stop and sJeep
can be done. Pressing the mode for a second time, the setting is canceJJed.
12

Sleep Jetsyou preset the unit to shut off in 8 hours. Sleep works in the A/C
function only. After preoseffing the temperature to a set degree,
the temperature raises by 2 degree in the ] st hour and another 2 degree
in the 2nd hour and then remains constant in the next 6hours. As your
body does not give out as much heat in the night and as nights generally
become cooler this feature Jetsyou sleep comfortably throughout the night
without having to wake up to change the temperature settings,
(See Fig. # 8)
Fig, # 8
ControJ Panel
Air Sweep: By pressing this key the Air Sweep will be activated. This will
give you an even airflow throughout the room. To shut it off you wiJJhave
to press the key again. (See Fig. # 9)
Energy Saver: By pressing this key you wiJJactivate the unit to go in the
energy saver mode. The fan will be off 3 minutes after the compressor
cycle off. By deactivating it the fan keeps running at the set speed even if
the compressor shuts off. (See Fig. # 9) (This function is available in the
coding function only)
13

Fig. # 9
¢@ntr@J PaneJ
When unit is in "On" mode the LEDdispJay wiJJshow room temperatures
Pressthe (+) key to get set temperature_ When unit is in "Timer Stop" func-
tion, LEDdispJay wiJJshow the time Jefffor the unit to shut off.
To canceJTimer Stop press the main Off key.
"H" Jight is on the time is shown.
"F" Jight is on the temperature is shown_
14

Before you install your air conditioner check the following:
1) The unit is free of all obstructions inside and outside the room e.g. drapes,
curtains, furniture, plants, shrubs, bushes,trees, other structureslike building,
garage etc_Air conditioner must have clear unobstructed airflow through the
condenser to remove the heat°
2) Thewindow is strong enough to hold the weight of the air conditioner.
Extra bracketsor supports may be needed depending on your windows.
3) Thewindow sill and track are strong enough to hold theweight of the
air conditioner.
4) The wall is strong enough to hold the unit. Extra brackets or supports may be
needed depending on the wall.
5) There is adequate and proper power supply near the air conditionen
6) DO NOT use adapter plugs.
7) DO NOT use extension cords.
_8) DO NOT cut or remove the ground prong°
9) DO NOT modify the plug or the electrical wall outlet in any way.
if plug does not fit the electrical outlet have a certified eJectridan do the
necessary change.
10) DO NOT connect electrical power to the unit before installation.
11) DO NOT use if power cord is worn out, frayed or otherwise damaged.
Avoid using if there are cracks or abrasion damage along the length,
plug or connection.
15

fParts Supplied
window seal
gasket
curtain
_ _..._ attachment
_ screws 13/32"
window sash
___et /_top rail
31/32" //_21
2 I/2 long flat _
head bolt and
Iocknut
installation bracket
(left and right) ModeJ:RAD-303A
Casement to
curtain sash screws window
securance screw 1"
19/32" long
screw and
Iocknut
top rail
basepan angle
left and right
Remote side curtains
control
I00 _dY
You will need to have the following tools to help you in the installation of your air conditioner.
®Scissors
® Phillips Screwdriver
®Standard Screwdriver
®Pliers
o Wrench
® Drill and Drill Bits
®Tape Measure
• Gloves
® Level
® Sockets
16

o
in
Window Opening Requirements
The air conditioner is designed to fit into double or singJe hung sash type windows. Each of the
units comes with an instaJUation kit that provides adjustabb mounting Uouvers, to fill the gaps
between the sides of the unit, and the window frame. The chart bdow reflects the dimensions of
the units with, and without installation kits. Measure your window opening width and compare
it to the chart bdow to ensure that it meets the minimum and maximum window width requirements.
RAD 303A
RAD 303A
A(inch) 1116
B(inch) 18_
C(inch) 18_-"
D(inch) Max 42 "
D(inch) Bin 32_-"
Case High
Case Width 2z_-"
Case Depth
PREPARE UN|T
FOR
JNSTALLAT|ON
Unpack unit on fbor next to
installation bcation.
Removefront attachment screw.
Removetwo side attachment screw,
Separate the outercase from the front
with a pu_ knife at the catch points
designated by the arrows.
Remove one screw securing
basepan locking bracket. Remove
two screws located in the rear of the
outercase, securing basepan to
outercase, Using the basepan handle,
slowly and evenJypuJlchassis out
from outer case
N@_: Cover pull! knife Node with
masking tape to guard against
damage of the units finish_ The filter
is removed in this illustration for
clarity only.
Caution: Never expose plastic
front or grille to extreme
temperatures,
17

PREPARE Stor w .dow.stomlo o. Moblmeho e i.dow inst mlotlo. H
_l_ _An_m_lAu _D If stormwindow frame does notallow Add wood strip (at least 1 1/2" wide) H
wvim_vvv /vm_ adequateclearance bdow sill (1/2" along entire width of window sill.
iNSTALLATiON required), removestormwindow Thicknessof wood strip should match H
Inspectwindow track, sash,and sill frame or create clearance by adding a height of front lip on window frame.
for'its ability to support theweight of wood strip (at least I ]/2" wide) along Fastenwood strip to sill with a
air conditioner, entirewidth of sill. Fastenwood strip minimumof three countersunkwood
to siJJwith at Jeastthreecountersunk screws(notsuppliedwith kit).This H
Measurew@h betweenwmdow w n t i w_ _t r w
" " wood scre s( o suppJ'ed _thF ). p o "desasmoothsurfacefor
moldings to ensureinstantMount Thisprovidesa smoothsurfacefor mounting air conditionen
wiJJfit window frame, instantMount mountina air conditioner
modds are designedfor windows v • . ,j
./ _ / .I _.-_ 1/2 Must be a minimum M
w_ae_tneaeta_Rseepage _r_ Minimum of1/2"toclear ll
I I/2"_i _( I_. I _ boftornrailonunb
Minimum - _ _ _, /tl/2"_, _ _ WindowJ
nstantMount kit supp ed with unit Woo_ _ Minimum J /Frame M
isdesignedfor mounting in most ill_tdp: ,_ ? j ] /J
daub e-hung windows witho.t s _1_ i WoodI _ J
,, /': , 5trip I ' H
stormwlndews. For installationin 0_ _ ' ' i o
window frame with stormwindow, N 0 A _ Ju J
modify siJJby adding wood stripsto u / D I T l
.... T 0 D
nner and outer s s Ths rases O_D / -
.... R 0 0
umtand ehmmatesmterferenceof o R :: j o
storm window frame. Sbrm Window " ,........ . _ RQ :................. . /JR j
Frame '
18

INSTAkL BASEPAN ANGLE
InstallTwo31/32" screws
_hroughangle intowindow bdge,
Repeatfor opposife side.
screws
angle
19