Maytag Air Conditioner Thru the Wall Room Air Conditioner User Manual

Thru-the-Wall  
Room Air Conditioner  
with optional Electric Heat  
Installation Instructions  
and Owner’s Manual  
This manual must be left with the owner  
of the equipment.  
Contents  
IMPORTANT NOTE TO THE OWNER.......................... 2  
IMPORTANT NOTE TO THE SERVICER ..................... 2  
Unit Features ............................................................... 2  
Transportation Damage .............................................. 2  
Unpacking The Unit ..................................................... 2  
Parts Supplied ............................................................. 2  
UnitAccessories.......................................................... 3  
Operating Instructions ................................................ 3  
Installation Instructions .............................................. 3  
Wiring ........................................................................... 5  
Unit Operation ............................................................. 6  
Preventative Maintenance........................................... 7  
Normal Operating Sounds and Conditions ............... 8  
Obtaining Service ........................................................ 8  
®
is a trademark of Maytag Corporation  
and is used under license to Goodman Company, L.P.  
All rights reserved.  
ATTENTION INSTALLING PERSONNEL  
RECOGNIZE THIS SYMBOL AS A SAFETY PRECAUTION.  
As a professional installer you have an obligation to know the product better than the customer. This  
includes all safety precautions and related items.  
Prior to actual installation, thoroughly familiarize yourself with this Instruction Manual. Pay special  
attention to all safety warnings. Often during installation or repair it is possible to place yourself in a  
position which is more hazardous than when the unit is in operation.  
Remember, it is your responsibility to install the product safely and to know it well enough to be able to  
instruct a customer in its safe use.  
Safety is a matter of common sense...a matter of thinking before acting. Most dealers have a list of  
specific good safety practices...follow them.  
The precautions listed in this Installation Manual are intended as supplemental to existing practices.  
However, if there is a direct conflict between existing practices and the content of this manual, the  
precautions listed here take precedence.  
2001-2004 Goodman Company, L.P.  
Effective: August 2004  
 
Unit Accessories  
Thisunitisdesignedforthrough-the-wallinstallationinnew  
or existing buildings. To complete the installation in an  
existing wall sleeve, a TWKG rear louver panel kit, a  
TWEAK or TWFAK adapter kit is required.  
If the sleeve is a GE wall sleeve, use the TWKG rear louver  
panel kit. If the sleeve is an Emerson wall sleeve, use the  
TWEAK adapter kit, If the sleeve is a Fedders or Freidrich  
wall sleeve, use the TWFAK adapter kit.  
The chassis and wall sleeve are shipped separate.  
Operating Instructions  
Check the data specification plate and ensure the proper  
voltage and current rating for the type of power plug on the  
unit is available. DO NOT REMOVE THE GROUNDING  
PRONG FROM THE POWER CORD. See Figure 3 for the  
typesofacceptableplugs. Donotuseanextensioncordfor  
the installation of this product. Refer to the data specifica-  
tion plate for electrical requirements.  
FOAM  
Figure 4  
SLEEVE INSTALLATION  
In order for condensate water to drain properly inside the  
unit, the sleeve must be installed properly:  
Level from right to left.  
A slight downward pitch from the indoor side to the  
outdoor side as shown in Figure 5.  
Refer to the Installation Instructions supplied with the wall  
sleeve for a complete description of the installation proce-  
dure.  
110V  
15 amp  
230V  
15 amp  
230V  
20 amp  
Level  
Inside  
Outside  
Figure 3  
1/4 Bubble  
Tilt To  
Outside  
LCDI or AFCI Power Cords  
Wall  
Sleeve  
Underwriters Laboratories (UL) and the National Electric  
Code (NEC) now require power cords that sense current  
leakageandcanopentheelectricalcircuittotheunit. Inthe  
event, the unit does not operate, check the reset button  
located on or near the head of the power cord as part of the  
Outside  
Wall  
normal troubleshooting procedure.  
WARNING  
Figure 5  
To prevent property damage, personal  
injury or death, do not remove grounding  
prong from plug. Follow all operating  
instructions.  
REAR LOUVER PANEL  
ATWKGrearlouverpanelkitisrequiredforunitinstallation  
into an existing GE 26” wall sleeve. A TWEAK or TWFAK  
adapterkitisrequiredforunitinstallationintoanexisting27”  
wallsleeve. Therearlouverpaneldirectsairflowforproper  
unitoperationandprotectstheoutdoorcoil. Thepanelmust  
beinstalledbeforeinstallingthechassis. Thesekitsarenot  
supplied with the unit. Refer to the Installation Instructions  
supplied with the rear louver panel kit for a complete  
description of the installation procedure.  
Installation Instructions  
To ensure that the unit operates safely and efficiently, it  
must be installed, operated, and maintained according to  
these installation and operating instructions and all local  
codes and ordinances, or, in their absence, with the latest  
edition of the National Electrical Code. The proper instal-  
lation of this unit is described in the following sections.  
Following the steps in the order presented should ensure  
proper installation.  
NOTE: If using a GE wall sleeve, ensure that the rear  
enclosure panel is removed before installing the TWKG  
panel.  
NOTE: Attach the supplied 1/2” x 1” x 14” foam prior to  
installation of unit. Remove adhesive backing strip and  
place the foam on unit as shown in Figure 4.  
3
 
CHASSIS INSTALLATION  
1. Inspect the ground wire (Figure 6) on the unit and  
ensure it is attached to the left side panel. If not, attach  
the wire to the panel.  
2. Remove the mounting screw from the left hand side of  
theexistingsleeve(Figure6). Placethescrewthrough  
the eyelet on the unattached end of the ground wire of  
the unit and reinsert into its mounting hole.  
Ground  
Wire  
Clip  
Screw  
Figure 8  
Mounting  
Screw  
FRONT PANEL INSTALLATION  
Discharge Air Grille  
Airflow Direction Change - Optional  
Figure 6  
If you wish to change the direction of airflow from up to  
down, remove the four screws holding the Discharge Air  
Grilleinplace(Figure9). Dropoutthegrilleandrotate180°.  
Ensure the notches on the grille face up. Replace the grille  
and secure in place with the removed screws.  
3. Install the 1/2” x 1/2” supplied gasket foam around the  
top and two sides of the chassis (Figure 7).  
Foam  
Screws  
(4 places typ.)  
Discharge Air  
Grille  
Figure 7  
4. Carefully slide the chassis into the sleeve. Ensure that  
the ground wire is not pinched or in the path of the  
condenser fan.  
5. Fasten the supplied clips to the exposed sides of the  
unit using the two #8 x 3/8” blunt sheet metal screws  
provided (Figure 8).  
Figure 9  
4
 
1. Remove the grille and filter from the front panel (Figure  
10). Doing one side at a time, press the tab on the front  
panel (Figure 10) with one hand while lifting the grille  
with the other.  
IMPORTANT NOTES:  
1. The unit is equipped with a rubber-grommet-mounted  
compressor. These grommets are factory set and  
require no adjustment.  
2. Obstruction to air flow must be checked and removed.  
Check the indoor and outdoor grilles for obstructions.  
The unit must be located where curtains, furniture,  
trees, or other objects do not block air flow to and from  
the unit. If air is obstructed and/or deflected back into  
the unit, the air conditioner’s compressor may cycle on  
and off rapidly. This could cause damage to the  
compressor.  
Wiring  
Beforewiringtheunit,pleasereviewthefollowingwarnings  
and cautions.  
Figure 10  
WARNING  
2. Using the four washer head sheet metal screws pro-  
vided, mount the front panel to the chassis through the  
front panel mounting holes (Figure 11).  
Toavoidpropertydamage, personalinjury  
or death due to electrical shock, do not  
service this unit without first shutting off  
power to the unit from the circuit breaker  
and/or removing the unit cord set plug  
from the wall outlet.  
Mounting  
Holes  
Mounting  
Holes  
WARNING  
To avoid the risk of property damage,  
personal injury or electrical shock, do not  
use an extension cord with this unit.  
Front  
Panel  
Chassis  
WARNING  
To avoid the risk of fire, property damage,  
or personal injury, use only copper  
conductors.  
Mounting  
Holes  
Figure 11  
WARNING  
3. Reattach the filter and front grille. Place the supplied  
knobs onto the proper stem (Figure 12).  
To avoid the risk of personal injury, wiring  
to the unit must be properly polarized and  
grounded.  
Knobs  
Figure 12  
5
 
WARNING  
OFF  
OFF  
Thisairconditionerisnotmeanttoprovide  
unattended cooling or life support for  
persons or animals who are unable to  
react to the failure of this product.  
LOW  
HEAT  
FAN  
ONLY  
HIGH  
COOL  
FAN  
ONLY  
HIGH  
HEAT  
LOW  
COOL  
LOW  
COOL  
MED  
COOL  
Thefailureofanunattendedairconditioner  
may result in extreme heat in the  
conditioned space causing overheating or  
death of persons or animals. Take proper  
precautionstoavoidunattendedoperation.  
HIGH  
COOL  
HIGH COOL  
This setting provides the most cooling output at the highest  
efficiency possible. In this mode the fan runs on high and  
the compressor cycles on and off.  
VOLTAGE MEASUREMENTS  
OFF  
Before connecting the unit, measure the supply voltage.  
Voltagemustfallwithinthevoltageutilizationrangegivenin  
Table 1.  
HIGH  
COOL  
FAN  
ONLY  
Operating Voltage  
Unit Voltage  
Voltage Utilization Range  
LOW  
MED  
COOL  
COOL  
Minimum  
197  
Maximum  
253  
Rating  
230/208  
115  
103  
126  
MEDIUM COOL  
This setting provides quieter operation than High Cool. In  
this mode the fan runs at medium speed and the compres-  
sor cycles on and off.  
Table 1  
Operating Voltage  
OFF  
OFF  
Unit Operation  
LOW  
HEAT  
FAN  
ONLY  
Two rotary knobs (Figure 10) control temperature and  
operational modes. They are located to the top left of the  
cabinet front.  
HIGH  
COOL  
FAN  
ONLY  
HIGH  
HEAT  
LOW  
COOL  
MED  
COOL  
LOW  
COOL  
HIGH  
THERMOSTAT SETTING  
COOL  
LOW COOL  
This setting dehumidifies the air and provides the quietest  
fanoperation. Inthismodethefanrunsatthelowestspeed  
and the compressor cycles on and off.  
OFF  
The thermostat controls the room temperature by turning  
eitherthecompressororelectricheateronandoffwhilethe  
fan is running. Turn the thermostat control clockwise to  
provide a cooler room temperature; turn it counterclock-  
wise to provide a warmer one.  
LOW  
HEAT  
FAN  
ONLY  
HIGH  
HEAT  
LOW  
COOL  
HIGH  
NOTE: If the fan cycle switch (see Additional Control  
Inputs)isintheCYCLEmode,boththecompressorandfan  
will cycle on and off during the cooling modes.  
COOL  
HIGH HEAT  
Onhighheat, thefanrunsatitshighestspeed. Inthismode  
the electric heater cycles on and off by thermostat.  
6
 
Preventative Maintenance  
WARNING  
OFF  
LOW  
HEAT  
FAN  
ONLY  
To prevent personal injury or death due to  
electricalshock, unplugtheunitatthewall  
outlet or turn off power at the fuse box or  
circuit breaker before servicing the unit.  
HIGH  
HEAT  
LOW  
COOL  
HIGH  
COOL  
INTAKE AIR FILTER  
The intake air filter should be cleaned when it is dirty or at  
least once a month. The intake air filter is constructed of  
durablepolypropylene.  
LOW HEAT  
On low heat, the fan runs at its lowest speed and provides  
the quietest fan operation. In this mode the electric heater  
cycles on and off by thermostat.  
The following procedure is used to remove the intake filter:  
OFF  
OFF  
LOW  
HEAT  
FAN  
ONLY  
HIGH  
FAN  
COOL  
ONLY  
HIGH  
HEAT  
LOW  
COOL  
LOW  
COOL  
MED  
COOL  
Front Grille  
Front Panel  
HIGH  
COOL  
FAN ONLY  
Tabs  
Intake Air Filter  
This setting circulates air. If the exhaust air option is used,  
this setting will exhaust stale indoor air. In this mode, the  
fan runs continuously at high speed without compressor  
operation.  
Figure 14  
1. Remove the grille by pressing the tabs one at a time on  
thefrontpanel(Figure10)withonehandwhileliftingthe  
grille with the other.  
ADDITIONAL CONTROL INPUTS  
2. Remove intake air filter (Figure 14) from front panel.  
3. Clean filter with a vacuum or running water. If using  
water, please be sure that the filter is not excessively  
wet when replaced.  
NOTE: Not available on all models.  
Fan Cycle Switch  
4. Reverse this procedure to reinstall the filter.  
The fan cycle switch is located behind the plastic front  
assemblyunderneaththecontrolknob(Figure13). Thefan  
cycle switch sets the operational mode of the fan. In the  
CONTINUOUSposition,thefanwillruncontinuouslywhen-  
ever the unit is in the heat or cool mode. In the CYCLE  
position, the fan will cycle on and off with the compressor  
when the unit is in the cool mode. This switch can only be  
set by a servicer.  
COMPRESSOR  
The compressor is hermetically sealed, permanently lubri-  
cated and requires no additional oiling.  
FRONT PANEL AND GRILLE  
The front panel and grille can be cleaned with a mild soap  
ordetergent. Donotusehydrocarbon-basedcleaners(e.g.  
acetone, benzene, naphtha, gasoline, etc.) to clean the  
front panel or grille. Use care when cleaning the control  
area. Do not use an excessively wet cleaning cloth.  
Fan Cycle  
Switch  
Figure 13  
7
 
SCHEDULED MAINTENANCE  
Normal Operating Sounds and  
Conditions  
Toachievecontinuingtopperformanceandhighefficiency,  
a regular cleaning/inspection schedule must be estab-  
lished. Maintaining this schedule can be accomplished by  
either a local maintenance staff or an authorized servicer  
and must follow the instructions described in this manual.  
POPPING OR GURGLING SOUNDS  
This sound is the refrigerant traveling through the lines.  
This is a normal sound which may be heard for a few  
seconds after the unit shuts off.  
• If the unit is operated in a dusty climate, dust may  
collect in the basepan and clog the condenser coil. It is  
advisable to remove the unit from the sleeve and  
thoroughly clean the basepan and condenser coil on a  
periodic basis.  
WATER TRICKLING SOUNDS  
This sound is produced by the water as it is picked up and  
run over the coils. This procedure improves the efficiency  
of the unit and helps with water removal.  
• If the unit is installed ocean side or in a corrosive  
atmosphere, its life may be greatly reduced by the  
corrosive environment. Under these conditions, the  
unitshouldberemovedfromthesleeveandcompletely  
cleaned once a year. At that time any scratches or  
blisters on the painted surfaces should be sanded and  
repainted.  
WATER DRIPPING  
Water will collect in the basepan during high humidity days.  
STARTING DELAY  
You may notice a short delay in the startup if you try to  
restarttheunittoosoonafterturningitofforifyouadjustthe  
thermostat right after the compressor has shut off. This  
delay protects the compressor.  
Obtaining Service  
In the unlikely event this unit requires repair or servicing  
beyond what is covered in this manual, contact an autho-  
rized service organization.  
To obtain an authorized servicer, contact your sales repre-  
sentative or agency.  
2001-2004 Goodman Company, L.P.  
Effective: August 2004  
Part No. 20350002  
Printed in USA  
 

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