Friedrich Air Conditioner WE13 User Manual

Thru-the-wall  
Air Conditioners and Heat Pumps  
115-Volt: WS08, WS10, WS14  
230-Volt: WS10, WS13, WS16, WE10, WE13, WE16, WY10, WY13  
M  
72  
Power  
Cool  
FSaanver®  
Money  
Mode  
Speed  
Fan Only  
Clock  
Set  
Tim
Hour  
Start Time  
On/Off  
Stop Time  
Temp/Hour  
920-007-13 (8-07)  
920-007-13  
WELCOME to years of economical comfort  
Your new Friedrich Room Air Conditioner has been carefully  
engineered and manufactured to give you many years of dependable,  
efcient operation, keeping your room at a comfortable temperature  
and humidity level. Many extra features have been built into your  
Friedrich Room Air Conditioner to assure quiet operation, greatest  
circulation of cool, dry air, most exible selection of function controls,  
and high economy of operation.  
6. Have a replace? Be sure the damper is closed during air  
conditioner operation.  
7. When it’s time to reroof or repaint the outside of your home,  
choose light colors. They reect heat instead of absorbing it.  
8. Shade your outside walls (especially on the west) from the direct  
sun; most importantly, shade the unit itself Trees and shrubs  
provide natural shading, but make sure they don’t block the air  
ow around the unit. If natural shade isn’t present, awnings are  
the best solution for shading the unit and the windows. Also,  
avoid areas where too much dust or pollen would be drawn  
into the air conditioner.  
There are many things you can do in and around your home to save  
more money - and even increase the efciency and long life of your  
Friedrich unit. Here are a few examples:  
1. How to Set Thermostat: When you rst turn on your air  
conditioner, select the highest fan speed and set the thermostat  
to its coldest position to cool the room. When the desired  
temperature is reached, turn the thermostat control toward  
"warmer" until the compressor goes off. The thermostat  
will then cause the compressor to go on and off to maintain  
this selected temperature. You can adjust the fan speed for  
optimum air circulation.  
9. Inside the house, use blinds, screens, or drapes on windows  
exposed to the sun. They will reduce your cooling needs.  
(Lined or insulated draperies will also help cut heating costs  
in winter).  
10. Make sure your attic area is properly vented. In addition,  
consider installing turbine or power ventilators to help remove  
hot air from your attic.  
2. Do not block the ow of air to and from the unit - make sure the  
louvers are directed to give even distribution of air throughout  
the room. Caution: If air is obstructed and/or deected back  
into the air conditioner, this may cause the unit to cycle on and  
off rapidly, which could damage your unit.  
11. Keep your Friedrich unit clean. Use a vacuum cleaner  
attachment for accessible parts, but take care not to damage  
them. Clean the reusable lter at least twice a month.  
12. Set the thermostat at a higher temperature - save 5% in energy  
usage for each degree of temperature over 72°F.  
3. Adequate insulation - walls, ceilings, and below oors - can save  
up to 50% of the cost of cooling in most areas of the country.  
These are the most important suggestions for saving money on  
cooling costs. Some, however, may not be applicable to your house  
or area. Check with your local utility company for more specialized  
information.  
4. Caulking: in well insulated homes, air leaks around doors,  
windows, lighting and plumbing xtures can account for as  
much as 30% of the load on heating and cooling systems. See  
that all these areas are well caulked.  
5. Install weather stripping (metal is preferable to felt) around  
exterior doors and windows.  
Electrical Data  
Circuit Rating, Breaker  
or Time Delay Fuse  
Model  
Plug Type  
WS08, WS10, WS14  
WS10, WS13, WS16  
NEMA No. 5-15P  
NEMA No. 6-15P  
NEMA No. 6-20P  
125V-15 AMP  
250V-15 AMP  
250V-20 AMP  
WE10, WE13, WE16,  
WY10, WY13  
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How to operate your Friedrich room air conditioner  
To start unit  
To activate Smart Fan (WY/WE heat-cool models)  
If your air conditioner is installed and plugged into a proper receptacle,  
it is ready to go. The rst time the unit is started, the compressor will  
delay for three minutes. See Automatic Component Protection on the  
following page.  
9
Press the Smart Fan button to activate the Smart Fan. The light  
will indicate that this feature is in use.  
Smart Fan will adjust the fan speed automatically to maintain the  
desired comfort level. For example, if the outside doors in your home  
are opened for an extended period of time, or more people enter a  
room, Smart Fan may adjust to a higher fan speed to compensate  
for the increased heat load. This keeps you from having to adjust  
the fan speed on your own.  
1
Touch the Power button once. The unit will automatically be in  
Cool mode with the temperature set at 75 F (24 C) and the fan  
°
°
speed at F1, the sleep setting.  
To set mode of operation  
When you rst turn the unit on, it will be in the Cool mode with con-  
To set the hour clock  
stant fan.  
10  
Touch the Set Hour button to see the current setting. The  
number that is displayed is the approximate time (hour only).  
2
On WS cool-only models, touch the Mode buton once to activate  
theMoneySaver® (WS models only. See item 14 for Money Saver  
instructions on WY/WE models).  
MoneySaver® is a feature that cycles the fan with the com-  
pressor so that the fan does not run all the time. This saves  
energy and improves dehumidication. MoneySaver® will also  
run to test the temperature if the off cycle is too long. Or you  
may prefer constant fan for more air movement. (To return to  
constant fan, touch the Mode button two more times).  
Use the and  
buttons to change the settings. BE SURE  
TO SET A.M. AND P.M. ACCORDINGLY. (P.M. is indicated by  
a red light in the upper left corner of the display).  
To set the timer  
NOTE: Set the HOUR CLOCK (Set Hour) before attempting to set  
timer functions.  
You can set the Start Time and Stop Time a minimum of one hour  
apart, and a maximum of 23 hours apart.  
In order to run the fan by itself, do the following:  
On WY/WS heat-cool models, touch the Mode button once to  
activate the Fan Only feature. The Fan Only setting will circulate  
air in the room without the compressor coming on.  
11  
After setting the time, press the Set Hour button once (Start  
light on). Use the and buttons to select the time that the  
unit will START.  
Continuing from MoneySaver® mode, touch the Mode button  
once to activate the Fan Only feature (WS cool-only models.  
3
12  
After selecting the Start Time, press the Set Hour button once.  
(Stop Light on). Use the  
and  
buttons to select the time  
that the unit will STOP. After selecting the stopping time, press  
the Set Hour button once.  
To adjust temperature  
Use the Mode button to select either the Cool or MoneySaver®  
function (or Heat for WY/WE heat-cool models)  
4
13  
Press the Timer On/Off button (light turns on) to activate the  
timer function. To deactivate this function, press the Timer  
On/Off button once again (light turns off). Once the on and  
off times have been selected, they will remain in memory and  
cycle daily until changed.  
5
6
7
COOLER – Touch the button to lower the room air temperature.  
WARMERTouchthe buttontoraisetheroomairtemperature.  
NOTE: If the unit is unplugged or the power is interrupted, the HOUR  
must be reset or the Timer On/Off will not function when desired.  
Press both the  
and  
buttons at the same time to switch  
the temperature from Fahrenheit (°F) to Celsius (°C). Repeat  
Step 7 to switch from °C back to °F.  
To Activate Money Saver (WY/WE models)  
To adjust fan speed  
14  
Press the Money Saver button to activate the Money Saver  
8
Touch the Fan Speed button to see the current setting. Touch  
it again to change speed. F1 is the lowest setting (SLEEP  
SETTING / LOW), F2 is MEDIUM, and F3 is HIGH.  
feature. The light will indicate the Money Saver is in use.  
MoneySaver® is a feature that cycles the fan with the com-  
pressor so that the fan does not run all the time. This saves  
energy and improves dehumidication. MoneySaver® will also  
run to test the temperature if the off cycle is too long. Or you  
may prefer constant fan for more air movement. (To return to  
constant fan, touch the Mode button two more times).  
To activate Smart Fan (WS cool-only models)  
9
There is a fourth option, SF, when selecting the fan speed. This is  
the SMART FAN function. SMART FAN DOES NOT OPERATE  
IN CONJUNCTION WITH THE FAN ONLY MODE.  
4
920-007-13  
PM  
1
Power  
72  
72  
2
8
9
3
4
1
Power  
Cool  
2
8
3
9
4
Cool  
Fan  
Smar
Fan  
Fan Only  
Heat  
6
5
Fan  
MoneySaver®  
Mode  
Speed  
Speed  
Mode  
6
5
Fan Only  
7
7
Clock  
Clock  
Money  
Saver  
Timer  
Set  
Start Time  
Stop Time  
Timer  
Set  
Start Time  
Stop Time  
14  
13  
On/Of
Hour  
13  
On/Off  
Hour  
Temp/Hour  
Temp/Hour  
10 11 12  
10 11 12  
Figure 1: WS Model cool-only control panel  
Figure 2: WY/WE Model heat-cool control panel  
Automatic component protection  
Your unit is equipped with Automatic Component Protection.  
To protect the compressor of the unit, there is a three minute delay  
if you turn the unit off or if power is interrupted. The fan will not be  
affected. Also, if you switch from Cool mode to Fan Only mode, and  
switch back to Cool mode, there is a three-minute delay before the  
compressor comes back on.  
Using the remote control  
To adjust temperature  
To start unit  
6
1
WARMER - Press the Warmer button to raise the temperature setting.  
POWER - Press the Power button once. The unit will automatically  
start in the mode and fan speed it was last left on.  
7
COOLER - Press the Cooler button to lower the temperature setting.  
To set mode of operation  
To adjust fan speed  
2
COOL - Press the Cool button to automatically switch the operat-  
8
FAN SPEED - Press the Fan Speed button to see the current  
setting. Press again to change the fan speed. F1 is the lowest  
setting (SLEEP / LOW), F2 is MEDIUM, F3 is HIGH, and SF is  
the SMART FAN setting.  
ing mode to COOL.  
3
4
FAN ONLY - Press the Fan Only button if you want to run the  
fan only.  
HEAT (WY/WE models only) - Press the Heat button to  
To set the hour clock  
automatically switch the operating mode to HEAT.  
9
SET HOUR CLOCK - Press the Set Hr. button once to see the  
current clock setting. Continue pressing the button until you  
arrive at the current time (Hour only). Minutes are not shown on  
the display. Make sure that the A.M. / P.M. setting is correct.  
MoneySaver® - Press the Money Saver® button to activate  
the MoneySaver® feature. This feature cycles the fan with the  
compressor so that the fan does not run all the time.  
5
5
920-007-13  
To set the timer  
NOTE: You can set the START and STOP times a minimum of one  
hour apart, and a maximum of 23 hours apart.  
10  
11  
12  
TIMER START - Press Start to view the current start time for cool-  
ing. Continue pressing the START button until you arrive at the start  
time you desire. The start time for cooling will then be set.  
Temperature  
Cooler  
Warmer  
Heat  
7
6
1
Power  
Cool  
TIMER STOP - Press the Stop button. Continue pressing the  
STOP button until you arrive at the stop time you desire. The  
stop time for cooling will then be set.  
2
3
4
5
8
9
Fan  
Fan  
Money  
Saver®  
Only  
Speed  
Timer Operation  
On/Off Start Stop Set Hr.  
TIMER ON / OFF - Press the On/Off button (under Timer  
Operation) to activate (light on) or deactivate (light off) the timer.  
Once the on and off times have been selected, they will remain  
in memory and cycle daily until changed.  
12  
10  
11  
NOTE: If the unit is unplugged or the power is interrupted, the Set Hr.  
function must be reset or the Timer On/Off function will not work.  
Figure 3: WY/WE heat-cool model remote control  
Additional RC1 wireless remote controls can be purchased from your Friedrich dealer.  
How to clean the air filter  
Your Friedrich room air conditioner is equipped with a Permafoam  
reusable air lter which is not affected by washing. The lter serves to  
remove dust, pollen, and other impurities from the air.  
P
72  
Speed  
Mode  
C
On  
oo  
l
/O  
Po  
w
ff  
Hour  
M
on  
ey  
er  
Fa  
n
SavFa  
er  
On  
®
n
Filter  
ly  
C
lo  
ck  
S
Set  
t
tar  
Ti  
S
m
e
to  
p
Ti  
m
e
T
e
m
p/Hour  
KEEP THE FILTER CLEAN - A clogged, dirty lter will reduce the  
operating efciency of your unit and contribute to frosting of the  
indoor coil. Be sure to check the lter every 7 to 10 days. The lter  
check procedure is easy, due to the unique design of the Friedrich  
DECORATIVE FRONT.  
FILTER ACCESS - Remove the INTAKE GRILLE from the  
DECORATIVE FRONT frame by grasping it at the upper right and  
left side corners. Pull out until the GRILLE is released from the upper  
retaining snaps. Tilt down toward you, lift up and out of the bottom  
retaining snaps. This will expose the lter. Remove the lter by pulling  
it toward you. Wash the lter in hot, soapy water, rinse, squeeze lightly  
to remove excess water, shake dry - do not twist - and replace in the  
unit on the two support hangers. Replace the INTAKE GRILLE by  
positioning the bottom of the GRILLE into the bottom retaining snaps.  
Tilt the front up and away from you. Press in lightly on top and the  
GRILLE will position itself into the upper retaining snaps.  
Intake Grille  
Figure 4  
6
920-007-13  
How to change airflow direction  
Electrical requirements  
The DISCHARGE GRILLE is installed at the factory to provide 45˚  
upward airow into the room. (Direction 1 in Figure 5). If a vertical  
airow is desired (Direction 2), the direction can be changed by rotating  
the DISCHARGE GRILLE.  
IMPORTANT: Before you begin the actual installation of your air  
conditioner, check local electrical codes and the information below.  
Your air conditioner must be connected to a power supply with the same  
AC voltage and hertz rating as marked on the nameplate located on  
the chassis. Only alternating current (AC) can be used. Consult pages  
3 and 7 for the correct type of receptacle for your model.  
Unplug the air conditioner.  
Remove the DISCHARGE GRILLE RETAINER attached with one  
screw in the right side of the grille.  
An overloaded circuit will invariably cause malfunction or failure of an  
air conditioner, therefore, it is extremely important that the electrical  
power and the wiring is adequate. Consult your dealer or power  
company if in doubt.  
Remove the DISCHARGE GRILLE from the retaining slots near the  
CONTROLS, and rotate the grille as shown in Figure 5.  
Reinstall the DISCHARGE GRILLE by placing it in its retaining slots.  
Reattach the DISCHARGE GRILLE RETAINER with the retaining  
screw. The unit is now ready to operate.  
CIRCUIT PROTECTION - Before installing or relocating your  
Friedrich Room Air Conditioner, check the amp rating of the circuit  
breaker or "TIME-DELAY" fuse. Refer to the nameplate located on  
the air conditioner chassis to determine the correct fuse or circuit  
breaker amperage for your model. The rating MUST NOT exceed  
the value stated on the nameplate. If the air conditioner is connected  
to a circuit protected by a fuse, a "TIME-DELAY" fuse must be  
used due to the momentary high current demands when your air  
conditioner is started.  
How to cover inner weather panel holes  
Two beige plugs are included in the plastic bag taped to the WallMaster  
chassis. These plugs may be used to cover the two holes left after  
removing the inner weather panel (see Figure 5). The plugs must be  
attached before the DECORATIVE FRONT frame is installed.  
Figure 5  
1" Diameter Plug  
WSC  
Sleeve  
2
Rotate  
2
2
Airflow  
Decorative  
Front  
5
1
A
3
6
W
7
B
1
M
E
1
Discharge  
Grille  
Return  
Air Grille  
7
920-007-13  
Never use an extension cord  
Once plugged in the unit will operate normally without the need to  
reset the LCDI device.  
Your Friedrich room air conditioner is equipped with a three-prong  
(grounded) plug for your protection against shock hazards and should  
be plugged directly into a properly grounded three-prong receptacle.  
If you have a two-prong receptacle you will need to have the circuit  
replaced by a certied electrician with a grounded circuit that meets  
all national and local codes and ordinances. Under no circumstances  
should you remove the ground prong from the plug. You must use the  
three-prong plug furnished with the air conditioner.  
If the device fails to trip when tested or if the power supply cord  
is damaged it must be replaced with a new supply cord from the  
manufacturer. We recommend you contact our Technical Assistance  
Line at (800) 541-6645 ext. 662. To expedite service, please have your  
model and serial number available.  
NEVER CUT OR REMOVE THE GROUNDING PRONG FROM THE  
PLUG.  
NOTE: Your LCDI device will resemble one of these illustrations.  
Power cord information  
All Friedrich room air conditioners are shipped from the factory with  
a Leakage Current Detection Interrupter (LCDI) equipped power  
cord. The LCDI device meets the UL and NEC requirements for cord  
connected air conditioners effective August 2004.  
RESET  
TEST  
RESET  
WARNING  
TEST BEFORE EACH USE  
1. PRESS RESET BUTTON  
TEST  
To test your power supply cord:  
2. PLUG LDCI INTO POWER  
RECEPTACLE  
3. PRESS TEST BUTTON,  
RESET BUTTON SHOULD  
POP UP  
1. Plug power supply cord into a grounded 3 prong outlet.  
4. PRESS TEST BUTTON,  
FOR USE  
DO NOT USE IF ABOVE TEST  
FAILS  
2. Press RESET (See Figure 6).  
WHEN GREEN LIGHT IS ON  
IT IS WORKING PROPERLY  
3. Press TEST (listen for click; Reset button trips and pops  
out).  
4. Press and release RESET (listen for click; Reset button  
latches and remains in). The power supply cord is ready for  
operation.  
NOTE: LCDI device is not intended to be used as a switch.  
Figure 6  
8
920-007-13  
Troubleshooting tips and home maintenance  
Won’t cool  
Frosting of the indoor coil  
If the unit operates, but won’t cool, determine if the controls are  
properly set. Wait three minutes before setting the thermostat to a  
cooler position in order to check control settings. Check the lter and  
clean it thoroughly, if needed. Check to see if the vent door is closed.  
Check to see if the chassis seal gasket is properly installed (refer to  
page 14 for seal gasket installation).  
Certain operating conditions may produce indoor coil frost. During  
the cooling operation, a dirty lter or restricted air distribution in  
combination with cool, damp weather could cause such an occurrence.  
Should the indoor coil frost over while cooling, set the control to FAN  
and keep it running until the frost on the coil is gone. Setting the  
thermostat to a slightly warmer position will probably keep the coil  
from frosting over again.  
Won’t heat (for heat/cool models only)  
If the unit operates, but won’t heat, determine if the control settings are  
correct. Adjust the thermostat to a warmer position to determine if it  
operates. Also, check the lter and clean it thoroughly, if needed.  
Cleaning the decorative front  
The decorative front of your Friedrich room air conditioner, as well  
as the complete cabinet, may be cleaned with warm water and mild  
detergent. Under adverse operating conditions, the indoor and outdoor  
coils and base pan may require periodic cleaning to maintain efcient  
operation. Your Friedrich dealer should be called when this service  
is required.  
Odors in heating (for heat/cool models only)  
You may notice a smoke odor the rst time the heater element comes  
on. This is common in any type of heat system when rst turned on  
for the winter. The odor comes from dust and other particles that  
accumulate during the warm months. The odor will dissipate quickly.  
Won’t run  
If the unit fails to operate, check to see if the power cord is rmly  
plugged in. Check for blown fuses, tripped circuit breakers or a  
tripped LCDI Device (Refer to LCDI reset instructions in the Power  
cord information section). Restore the circuit breaker or replace the  
blown fuse with a proper size "TIME-DELAY" fuse. The proper fuse  
size is shown on pages 4 and 7 in these instructions. After restoring  
the current supply to the unit, wait three minutes before restarting.  
Things to know about a WallMaster heat pump  
During the heat pump operation, you may notice some functions that did not occur when the unit was used for cooling:  
1. It is common for ice to form on the outdoor coil of your WallMaster Heat Pump. The ice forms due to moisture in the outdoor  
air passing over cold (below freezing) coil surfaces.  
2. When the outdoor coil forms ice, your heat pump will automatically initiate a defrost. The compressor will stop and the fan will  
continue to run. The electric heat will be turned on to continue warming the room while the outdoor air defrosts the outdoor  
coil. After the defrost is completed, the unit will automatically return to the heat pump mode.  
3. It is normal for vapor (steam) to rise from the outdoor coil during the defrost. This is similar to expelling warm breath on a  
cold morning.  
4. If the outdoor temperature drops below 43°F during heat pump operation, your WallMaster Heat Pump will automatically  
switch to electric resistance heat and will continue to operate in this mode as long as the outdoor temperature remains at  
43°F or below.  
9
920-007-13  
Installation instructions for WSC sleeve  
Mounting hardware provided  
ITEM NO.  
DESCRIPTION  
QTY.  
1
SCREW, #12A x 2"  
5
Wall preparation  
A. Adjustable SUBBASE (SB) or other unit support must be provided  
for panel wall type construction and for walls less than 8" thick.  
STEP 1 The wall opening required for a WSC SLEEVE is 17 ¼"  
high by 27 ¼" wide.  
B. A minimum distance of 1" must be allowed on all sides of the unit  
to adjacent wall and oor. Where the subbase is required, the  
minimum distance from the oor to the sleeve must be 3 ½". To  
minimize chances of short cycling of the compressor, the minimum  
clearance between the ceiling and the top of the unit should be  
24". (See Figure 8).  
STEP 2 LINTELS must be used in opening of brick veneer and  
masonry walls to support the material above the WSC  
SLEEVE. The following considerations should also be given:  
Figure 7  
Minimum Of 24" Required  
From Top Of Unit To Ceiling.  
Inside Wall  
Lintels  
Minimum Of 1" Spacing  
Required On All Sides  
Of The Unit.  
WSC Sleeve  
Drain  
Extension  
9" Minimum  
16  
Beyond Outside  
Wall  
1" Minimum  
3 ½" For Subbase  
Outside Wall  
10  
920-007-13  
Installation requirements  
STEP 1 The WSC SLEEVE should be positioned so that the  
STEP 4 The WSC SLEEVE must also be installed with a downward  
9
DRAIN EXTENSION extends a minimum of " beyond  
16  
tilt toward the outside of the building. If a level is placed  
so that it rests on the FRONT and BACK UNIT REST as  
shown in Figure 8, a properly installed unit provides a ½  
bubble slope to the outside of the building.  
the OUTSIDE WALL (See Figure 7).  
STEP 2 The WSC SLEEVE must extend a minimum of " beyond  
the INSIDE WALL.  
CAUTION: SLEEVE projections and leveling precautions  
must be observed to prevent the entry of water into the room.  
STEP 3 The WSC SLEEVE must be installed level side to side.  
Figure 8  
Raised Ledge  
Back Unit Rest  
Level  
Front Unit Rest  
Sleeve installation  
STEP 1 After unpacking the WSC SLEEVE from the carton, remove  
the corrugated FRONT PANEL. Place the WSC SLEEVE  
in the wall opening following the instructions given in the  
INSTALLATION REQUIREMENTS. Attach the SLEEVE to  
the INSIDE WALL by driving two #12A x 2" screws in each  
side of the SLEEVE (see Figure 7). Shim at the top of the  
SLEEVE, midway between the sides. Drive one #12A x 2"  
screw in the top of the sleeve, close to the shim. Install  
screws from inside the SLEEVE. If the wall opening is not  
framed with wood, use expansion anchor bolts or molly  
(toggle) bolts (not provided).  
STEP 2 Once the SLEEVE has been installed, check the LEVEL  
again to be sure the ½ bubble downward tilt is maintained.  
Apply shims, if required, to maintain the proper slope.  
STEP 3 Caulk the perimeter of the entire opening on the inside and  
the outside between the SLEEVE and the WALL.  
STEP 4 The corrugated front panel removed in Step 1 above must  
be remounted back in place if masonry work is to be done  
and/or if the "WallMaster" CHASSIS is to be installed at a  
later date.  
11  
920-007-13  
WallMaster chassis installation instructions for WS, WE and WY models  
(WSC-A sleeve)  
These instructions are provided for installation of WallMaster air  
conditioner chassis models into thru-the-wall sleeves. This chassis  
has been UL approved with the sleeve listed on the serial nameplate  
of this chassis. Important warranty information is provided on pages  
17 and 18. Keep these instructions in a convenient location for any  
warranty service that may be required.  
STEP 2 Check the electrical receptacle to see that it conforms to  
the requirements for the chassis model to be installed.  
See pages 2 and 5, for the receptacle requirements.  
STEP 3 The decorative front is packaged in a separate box inside  
the chassis shipping carton, between the chassis and  
the carton. Remove this box and set the box aside until  
later.  
STEP 1 Check the sleeve to be certain it has been correctly installed  
in the wall. Remove the corrugated front panel on the WSC  
SLEEVE. Remove the rear WEATHER PANEL. Reverse  
grille. Place lower edge into sleeve tab (Friedrich logo facing  
out). Align slots with screw holes. Secure grille with screws.  
STEP 4  
With the help of an assistant, remove the chassis from  
the shipping carton. Be careful not to allow anything to  
impact against the hairpins as this may result in damage  
to them. With the help of an assistant, lift the chassis by  
the basepan and slide it into the sleeve until it contacts  
the rear grille. With the chassis in proper position, the  
front edge of the basepan must extend out 4 ¾ inches  
from the front (side) edge of sleeve.  
A. Check the anchor screws. There should be four  
(4) in the WSC SLEEVE (two in each side).  
B. Determine if the sleeve has a downward slope,  
to the outside, of ½ bubble on a level. See  
page 10 for further details.  
C. Check to be sure the sleeve has been sealed  
around all edges with an industrial type  
caulking on both the outside and inside to  
prevent rain entry.  
Figure 9  
Condenser  
Shroud  
A
1
4
6
3
6
M
12  
920-007-13  
WallMaster chassis installation instructions for WS, WE and WY models  
(WSC-B sleeve)  
These instructions are provided for installation of WallMaster air  
conditioner chassis models into thru-the-wall sleeves. This chassis  
has been UL approved with the sleeve listed on the serial nameplate  
of this chassis. Important warranty information is provided on pages  
17 and 18. Keep these instructions in a convenient location for any  
warranty service that may be required.  
STEP 2 Check the electrical receptacle to see that it conforms to  
the requirements for the chassis model to be installed.  
See pages 2 and 5, for the receptacle requirements.  
STEP 3 The decorative front is packaged in a separate box inside  
the chassis shipping carton, between the chassis and  
the carton. Remove this box and set the box aside until  
later.  
STEP 1 Check the sleeve to be certain it has been correctly installed  
in the wall. Remove the corrugated front panel on the WSC  
SLEEVE. Remove the rear WEATHER PANEL. Place lower  
edge into sleeve tab (Friedrich logo facing out). Align slots  
with screw holes. Secure grille with screws.  
STEP 4  
With the help of an assistant, remove the chassis from  
the shipping carton. Be careful not to allow anything to  
impact against the hairpins as this may result in damage  
to them. With the help of an assistant, lift the chassis by  
the basepan and slide it into the sleeve until it contacts  
the rear grille. With the chassis in proper position, the  
front edge of the basepan must extend out 4 ¾ inches  
from the front (side) edge of sleeve.  
A. Check the anchor screws. There should be four  
(4) in the WSC SLEEVE (two in each side).  
B. Determine if the sleeve has a downward slope,  
to the outside, of ½ bubble on a level. See  
page 10 for further details.  
C. Check to be sure the sleeve has been sealed  
around all edges with an industrial type  
caulking on both the outside and inside to  
prevent rain entry.  
Figure 10  
Rear weather panel  
13  
920-007-13  
STEP 5 CHASSIS SEAL GASKET INSTALLATION: After  
STEP 6 Remove the intake grille from the decorative front frame by  
grasping it at the upper right and left side corners. Pull out  
until the grille is released from the upper retaining snaps.  
Tilt it down toward you, lift up and out of the bottom retaining  
snaps. Install the decorative front frame in place over the  
sleeve opening and attach it to the chassis with four sheet  
metal screws as shown in Figure 11. Replace the intake  
grille by positioning the bottom of the grille into the bottom  
retaining snaps. Tilt the front up and away from you. Press  
in lightly on top, and the grille will position itself into upper  
retaining snaps.  
installing the shell, slide the chassis into the shell stopping  
approximately 3" from full insertion. Stuff the chassis seal  
gasket one inch deep between the chassis and the shell  
(see Figure 11). Make sure the gasket is installed beginning  
from the lower right side corner and extending over the  
top and down to the lower left side corner. Then push the  
chassis all the way into the shell for the remaining distance  
so that the plastic front meets the front edge of the shell.  
If chassis seal gasket is not installed, the operation of the  
unit will be negatively affected. Also, the operation noise  
and outside noise will be amplied.  
Figure 11  
Chassis Seal  
Gasket  
Decorative Front  
A
2
5
3
7
M
E
           W
                            A
Screws (4)  
Return Air  
Grille  
Attach the frame to the chassis by installing four (4) 8A-5/8" screws through the slots in the frame and into the holes in the chassis.  
14  
920-007-13  
Condensate removal (WS, WE and WY models)  
If you desire to drain condensate from the basepan during unit  
operation, this unit is provided with a drain nipple that can be  
attached to the basepan. You must provide a 3/8" outside diameter  
thin-wall plastic or copper tube which will attach to the drain nipple.  
Follow the instructions below:  
STEP 2  
Remove the knockout in the lower right side of the rear  
grille. Slide the chassis into the WSC SLEEVE so that  
the drain nipple extends through the knockout.  
STEP 3  
Slide the tubing inside the drain nipple.  
STEP 1  
Find the drain plate on the rear of the basepan and  
remove it. (See Figure 12).  
If the chassis must be removed from the sleeve for service, remove  
the clamped drain hose before sliding the chassis out of the sleeve.  
Figure 12  
Drain nipple  
Basepan  
Drain hose  
Sleeve  
Alternate drain kits  
DK (Drain Kit)  
IDK (Interior Drain Kit)  
New construction allowing for condensate drain systems built within  
the walls can use the Friedrich Interior Drain Kit (Accessory #IDK)  
designed for installation in the bottom of the sleeve below the  
condensate bellows valve (heat/cool models only).  
In the event that the outdoor temperature drops below 37°F, any water  
that remains in the chassis basepan is drained into the sleeve pan on  
WE and WY models to prevent freezing. (NOTE: In the cooling mode  
of the WS, WE and WY models, condensate overow is possible in  
very humid climates). For these particular instances, an optional drain  
kit (Accessory #DK) is available for water removal.  
15  
920-007-13  
Friedrich Air Conditioning Company  
P.O. Box 1540  
San Antonio, TX 78295  
210.357.4400  
WALLMASTER£  
THRU-THE-WALL AIR CONDITIONERS  
LIMITED WARRANTY  
FIRST YEAR  
ANY PART: If any part supplied by FRIEDRICH fails because of a defect in workmanship or material within twelve months from  
date of original purchase, FRIEDRICH will repair the product at no charge, provided room air conditioner is reasonably accessible  
for service. Any additional labor cost for removing inaccessible units and/or charges for mileage related to travel by a Service  
Agency that exceeds 25 miles one way will be the responsibility of the owner. This remedy is expressly agreed to be the exclusive  
remedy within twelve months from the date of the original purchase.  
SECOND THROUGH FIFTH YEAR  
SEALED REFRIGERANT SYSTEM: If the Sealed Refrigeration System (defined for this purpose as the compressor, condenser  
coil, evaporator coil, reversing valve, check valve, capillary, filter drier, and all interconnecting tubing) supplied by FRIEDRICH in  
your Room Air Conditioner fails because of a defect in workmanship or material within sixty months from date of purchase,  
FRIEDRICH will pay a labor allowance and parts necessary to repair the Sealed Refrigeration System; PROVIDED FRIEDRICH will  
not pay the cost of diagnosis of the problem, removal, freight charges, and transportation of the air conditioner to and from the  
Service Agency, and the reinstallation charges associated with repair of the Sealed Refrigeration System. All such cost will be the  
sole responsibility of the owner. This remedy is expressly agreed to be the exclusive remedy within sixty months from the date of the  
original purchase.  
APPLICABILITY AND LIMITATIONS: This warranty is applicable only to units retained within the Fifty States of the U.S.A., District  
of Columbia, and Canada. This warranty is not applicable to:  
1. Air filters or fuses.  
2. Products on which the model and serial numbers have been removed.  
3. Products which have defects or damage which results from improper installation, wiring, electrical current  
characteristics, or maintenance; or caused by accident, misuse or abuse, fire, flood, alterations and/or misapplication  
of the product and/or units installed in a corrosive atmosphere, default or delay in performance caused by war,  
government restrictions or restraints, strikes, material shortages beyond the control of FRIEDRICH, or acts of God.  
OBTAINING WARRANTY PERFORMANCE: Service will be provided by the FRIEDRICH Authorized Dealer or Service  
Organization in your area. They are listed in the Yellow Pages. If assistance is required in obtaining warranty performance, write  
to: Room Air Conditioner Service Manager, Friedrich Air Conditioning Co., P.O. Box 1540, San Antonio, TX 78295-1540.  
LIMITATIONS:  
THIS WARRANTY IS GIVEN IN LIEU OF ALL OTHER WARRANTIES. Anything in the warranty  
notwithstanding, ANY IMPLIED WARRANTIES OF FITNESS FOR PARTICULAR PURPOSE AND/OR MERCHANTABILITY  
SHALL BE LIMITED TO THE DURATION OF THIS EXPRESS WARRANTY. MANUFACTURER EXPRESSLY DISCLAIMS AND  
EXCLUDES ANY LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGE FOR BREACH OF ANY EXPRESSED OR  
IMPLIED WARRANTY.  
NOTE: Some states do not allow limitations on how long an implied warranty lasts, or do not allow the limitation or exclusion of  
consequential or incidental damages, so the foregoing exclusions and limitations may not apply to you.  
OTHER: This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.  
PROOF OF PURCHASE: Owner must provide proof of purchase in order to receive any warranty related services.  
All service calls for explaining the operation of this product will be the sole responsibility of the consumer.  
All warranty service must be provided by an Authorized FRIEDRICH Service Agency, unless authorized by FRIEDRICH prior to  
repairs being made.  
(10-04)  
16  
920-007-13  
Friedrich wants you to remain pleased with your Room Air Conditioner. Should further assistance be  
needed concerning this warranty, contact:  
RAC Warranty, Service and Parts  
Friedrich Air Conditioning Co.  
P.O. Box 1540  
San Antonio, TX 78295-1540  
Your personal warranty registration record  
WARRANTY REGISTRATION: Please complete and return your Warranty Registration Card (not this  
form) immediately and mail to FRIEDRICH.While it is not required that you do so in order to obtain warranty  
performance, it registers your warranty, making it easier and faster to verify the period of your warranty cover-  
age and to contact you, should field service and/or product recall ever become necessary.  
FOR YOUR RECORDS: FILL IN THE FOLLOWING INFORMATION WHEN UNIT IS INSTALLED, SO IT  
WILL BE READILY AVAILABLE IF NEEDED LATER.  
Model No.  
Serial No.  
Date Installed  
Bought from:  
(Dealer name)  
(Dealer Address)  
(Phone)  
(Person to contact)  
ALWAYS USE FRIEDRICH FACTORY AUTHORIZED PARTS.  
USE OF NON-FRIEDRICH PARTS COULD VOID YOUR WARRANTY  
17  
920-007-13  
18  
920-007-13  
19  
FRIEDRICH AIR CONDITIONING CO.  
Post Ofce Box 1540 • San Antonio, Texas 78295-1540  
4200 N. Pan Am Expressway • San Antonio, Texas 78218-5212  
210) 357-4400 • FAX (210) 357-4480  
Printed in the U.S.A.  
920-007-13 (8-07)  

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