Friedrich SH15 User manual

Installation & Operation Manual
Hazardous Duty Room Air Conditioner
230-Volt: SH15|SH20
www.segind.com.br

2
Table of Contents
Operation and Care Instructions
Your Safety and the safety of others................................................................................................................................... 2
General Instructions ............................................................................................................................................................ 3
Filter information ................................................................................................................................................................ 4
Maintenance Checklist........................................................................................................................................................ 4
Special Features .................................................................................................................................................................. 5
Control Panel ...................................................................................................................................................................... 5
Underwriters Laboratories .................................................................................................................................................. 5
Installation Instructions
Electrical Requirements ...................................................................................................................................................... 6
Unpacking the Unit............................................................................................................................................................. 8
Chassis Wiring and Preparation.......................................................................................................................................... 8
Shell Preparation................................................................................................................................................................. 9
Shell Installation ............................................................................................................................................................... 10
Sash Window ............................................................................................................................................................. 10
Through-the-Wall ...................................................................................................................................................... 13
Chassis Installation ........................................................................................................................................................... 16
WARRANTY ................................................................................................................................................................... 18
Your safety and the safety of others are very important.
CAUTION
NOTICE
We have provided many important safety messages in this manual and on your appliance. Always read and obey all
safety messages.
This is a safety Alert symbol.
This symbol alerts you to potential hazards that can kill or hurt you and others.
All safety messages will follow the safety alert symbol with the word “WARNING”
or “CAUTION”. These words mean:
You can be killed or seriously injured if you do not
follow instructions.
You can receive minor or moderate injury if you do not
follow instructions.
All safety messages will tell you what the potential hazard is, tell you how to reduce the chance of injury, and tell you
what will happen if the instructions are not followed.
A message to alert you of potential property damage will have the word “NOTICE”.
Potential property damage can occur if instructions are not followed.
WARNING

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Hazardgard Room air conditioner
General Instructions
Your new Friedrich has been carefully engineered and manufactured to give you many years of dependable, efficient operation, main-
taining a comfortable temperature and humidity level. Many extra features have been built into your unit to assure quiet operation, the
greatest circulation of cool, dry air, and the most economic operation.
Here are some suggestions to help you use your new Friedrich most efficiently:
1. Carefully read and follow the installation instructions.
2. Your Friedrich Hazardgard room air conditioner is electri-
cally grounded for your safety. The power supply must
alsobegroundedandmustbeinstalledinaccordancewith
NECArticle501. Thebranchcircuitratingisshownon
the nameplate for each model.
3. Make sure the unit is the right capacity for the area to be
cooled. Too little capacity makes the unit work too hard,
using more electricity than needed and increasing wear.
Toomuchcapacityisalsohardontheunitasitwillcycleon
and off too rapidly, and cannot control humidity as well.
4. When you first turn on your Friedrich, set the thermostat
to its coldest position to cool the room. When the desired
temperature is reached, turn the thermostat control to-
wardthe"warmer"positionuntilyouhearaclickandthe
compressor goes off. The thermostat will then cycle the
compressor to maintain the selected temperature.
5. Clean the filter frequently (See General Maintenance).
6. Donotblocktheairflowtoandfromtheunit. Makesure
thelouversaredirectedtogiveevendistributionofair
throughout the room. Caution: If air is directed into a
restricted area such as behind a bed or into a corner, this
may cause the unit to cycle on and off rapidly, which could
damage your unit.
7. A dirty filter or improperly set controls can affect the cool-
ing ability of the unit.
8. Ifcoolingisweakandyouhaveverifiedthatthefilteris
clean and the controls are properly set, the unit may be low
on refrigerant, and you should call your Friedrich service
provider to check the unit.
9. Keep blinds, shades and drapes closed on the sunny side
of the room being cooled.
10. Proper insulation helps your unit maintain the desired inside
temperature.
11. Whenever possible, shade west-facing windows with aw-
nings.
12. Keep window coverings away from the unit to provide free
air flow.

4
Filter Information
The filter in your Friedrich removes dust, pollen and other
impurities from the air as they are drawn through the unit.
The filter is permanent and reusable, and has a germicidal
treatment which is not affected by washing.
Won’t Cool
If the unit operates, but doesn’t cool, check to see that the con-
trols are properly set. Inspect the filter and clean it thoroughly, if
needed.Checktoseeifthechassissealgasketisinstalled(refer
to installation instructions).
Won’t Run
If the unit does not operate at all, check that the power supply
connections are tight. Check for blown fuses or tripped circuit
breakers. Replace blown fuses with the proper size time-delay
fuse. The nameplate on the unit shows the proper fuse size. After
restoring power, wait three minutes before restarting the unit.
Inside Coil Freezes Up
Your Friedrich Hazardgard is designed not to freeze with outdoor
temperaturesaslowas45°F(7°C). Freezingshouldonlyoccur
whentheoutsideairisdampandbelow45°F(7°C). Iftheindoor
Maintenance Checklist
coil should ice over while cooling, set the thermostat to the warm-
est position until the ice on the coil is gone. Setting the thermostat
to a slightly warmer position will probably keep ice from forming
on the coil. A dirty filter will contribute to icing.
Cleaning
The front grille of your Friedrich, as well as the complete cabi-
net may be cleaned with warm water and a mild detergent. The
coils and base pan should be cleaned periodically for the most
efficient operation. We suggest you call your Friedrich dealer
forthisservice.
Lubrication
Fan motors are factory lubricated and sealed. No lubrication
is required.
A clogged, dirty filter reduces the air flow through the unit and
reduces its efficiency. You should check the filter every seven
to ten days, depending on the amount your unit is used. Clean
the filter regularly.
FILTER RETAINER CLIPS
The ¿lter can be removed for cleaning by opening the front of
the unit and releasing the ¿lter from its retaining clips.

5
Permanent Split-Capacitor, totally enclosed fan motor to
assure efficient operation even under adverse electrical
conditions. Motor has a special stainless steel shaft to resist
corrosion and a hermetically sealed overload for arc-free
operation.
High capacity compressor with internal hermetically sealed
overload.
Solid-state printed circuit board insulated against corrosion
on conductor paths. Contains transient voltage suppressor
to protect controls against transient voltage spikes. Provides
solid state switches for arc-free operation.
Hot gas bypass low ambient control to permit operation
without freezing at outdoor ambient temperatures as low
as 45°F (7°C).
Environmentally sealed on-off switch and gold plated
contacts in thermostat for corrosion resistance.
Electrodeposited epoxy primer and alkyd enamel, both
oven-baked for an attractive, long-lasting finish.
Friedrich Air Conditioning quality has been proven by more than 25 years of successful experience from the Gulf of Mexico to
the searing sands of the Arabian desert.
Hazardgard Special Features
Copper tubing/aluminum fin coils.
Galvanized steel cabinet and base pan, all bonderized.
Slide-outchassisforeasyinstallationinwindowor
through–the–wall.
Extra insulation inside, including completely insulated
plenum chamber for quieter, more efficient cooling.
Entireunittestruninenvironmentalchamberbefore
crating.
Eight–way air flow control for uniform air circulation.
Patented electronic control circuit.
Condensate drain with exclusive mosquito trap.
15 amp circuit with time-delay fuse required. Accommodates
direct wiring.
Longlasting3/8"(10mm)thickairfilter,germicidally
treated, easily removed for cleaning.
Control Panel
Function Control (Power)
This switch is a double pole, single throw toggle switch.
ON-Turnseverythingon.
OFF - Turns everything off.
Temperature Control
Theknobatthebottomisthethermostatwhichisacrossambient
type used to maintain the desired comfort level. The thermostat
reacts only to a change in temperature at the bulb location - turn
the knob clockwise to set cooler, counterclockwise for warmer.
Exclusive
Friedrich leads with the first UL Listed Room Air Conditioners
designed to cool living quarters and other enclosures situated in
hazardous locations where specific volatile flammable liquids or
gases are handled or used with enclosed containers or systems.
Friedrich Hazardgard room air conditioners are designed to
meet the National Electrical Code, Article 500 requirements
for Class I, Division 2, Groups A, B, C, D Hazardous locations,
and are the only air conditioners UL Listed for this application.
THIS UNIT IS LISTED BY UNDERWRITERS LABORA-
TORIESFORUSEINCLASSI,DIVISION2,GROUPSA,
B, C, D HAZARDOUS LOCATIONS. Operating Temperature
Code: T3B.

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Installation Instructions
Models SH15 and SH20
NOTE: THIS MANUAL INCLUDES INSTALLATION INSTRUCTIONS FOR BOTH WINDOW MOUNT AND THROUGH-
THE-WALL INSTALLATIONS
Electrical Requirements
ALL FIELD WIRING MUST MEET THE REQUIREMENTS OF THE NATIONAL ELECTRICAL CODE (ANSI/NFPA 70)
ARTICLE 501.
THE FIELD-PROVIDED CIRCUIT PROTECTION DEVICE (HACR CIRCUIT BREAKER OR TIME DELAY FUSE) MUST
NOT EXCEED THE AMPACITY INDICATED ON THE PRODUCT NAMEPLATE.
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 A.C. voltage and frequency (hertz) as marked on the data
plate located on the chassis. Only alternating current (A.C.), no direct current (D.C.), can be used.
An overloaded circuit will invariably cause malfunction or failure of the air conditioner; therefore, it is extremely important that the
electrical power is adequate. Consult your dealer or power company if in doubt.
The following instructions are for HAZARDGARD models and cabinet sizes listed below.
)DxWxH(EZISTENIBACSPUORG
SMALL CHASSIS SH15 15 15/16" x 25 15/16" x 27 3/8"
(405 mm x 660mm x 695mm)
MEDIUM CHASSIS SH20 17 15/16" x 25 15/16" x 27 3/8"
(455 mm x 660mm x 695mm)
epyTgulPrebmuNledoM Circuit Rating
Time Delay Fuse
pmA51-V052xoBnoitcnuJ51HS
pmA51-V052xoBnoitcnuJ02HS
Explosion Hazard
Electrically connect unit in accordance with NEC
Code Article 501. Failure to do so can result in
death, explosion, fire, or electrical shock.
Electrical Shock Hazard
WARNING

7
Hazardgard Window Mount Installation Hardware
ITEM # 4
ITEM #10
ITEM # 7
ITEM # 13
ITEM # 12
ITEM # 6
ITEM # 5
ITEM # 1
ITEM # 14
NOT TO SCALE
ITEM # 2 ITEM # 3
ITEM # 11
ACCESSORY DETAIL
ITEM DESCRIPTION QTY.
No.
SHELL MOUNTING PARTS
2TEKCARBTROPPUS1
2 SCREW, 10 - 24 x 1" HEX HEAD 4
4TUNDLEWTALF42-013
4 SCREW, SHEET METAL #12A x 2" 7
WINGBOARD ANGLE MOUNTING
5 WINGBOARD ANGLE, TOP 1
6 WINGBOARD ANGLE, SIDE 2
7 SCREW, SHEET METAL #8A x 3/8" 2
WINGBOARD MOUNTING PARTS
8 WINGBOARD (MASONITE) - (NOT SHOWN) 1
4TUNDEEPSEPYT"J"9
10 WINGBOARD CLIP (SPRING STEEL) 4
11 SCREW. #8A x 1/2" PHILLIPS TRUSS HD. 4
WINDOW SEALING
12 SEALING GASKET (VINYL) 1
13 WINDOW SEAL GASKET (DARK FOAM) 1
14 CHASSIS SEAL GASKET (LIGHT FOAM) 1
ITEM # 9

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STEP 1 Remove the junction box, cover and screw (above items) from the shipping position underneath the fan motor. Install one
junction box mounting leg in the upper left position facing the rear of the junction box.
STEP 2 Remove and discard the plastic bushing from the conduit connector on the side panel of the control compartment. Strip the
black wires only, approximately 1/2 inch (13 mm).
STEP 3 Insert all wires (2 black, 1 green) into the box and thread the box onto the conduit connector until tight. Back off counter
clockwise until the junction box is vertical with the mounting leg at the upper–right position facing the box opening. Be
sure that the shell can fit between this box and the chassis.
Unpacking The Unit
STEP 1 Remove decorative plastic return air grille to a safe area away from the unit.
STEP 2 Remove the installation hardware, wingboard and two (one light colored and one dark colored) gaskets from beneath the
unit,andplacetheminasafeareaawayfromtheunit.
STEP 3 Remove the chassis retainer by removing the far right screw in the basepan (see Figure A); save this screw to reattach the
chassisretainerafterinstallation(Step15). Also,removeanddiscardthetworetainerscrewsandplasticbushingslocated
attherearoftheunit.
STEP 4 While an assistant holds the cabinet stationary, use the hand pull at the front of the base pan (see Figure A) to pull the
chassis out of the cabinet. Remove white foam blocks used to restrain the compressor during shipment. Inspect basepan
for dislodged white blocks, and remove. Do not remove any other foam.
Chassis Wiring and Preparation
CABINET
HAND PULL
CHASSIS RETAINER
FAR RIGHT SCREW
HAND PULL
Figure A CABINET
STEP 3
PROVIDED HARDWARE
1 JUNCTION BOX FRIEDRICH PN: 613-893-00
2 MOUNTING LEGS RACO INC. PN: 5324-0
2 LEG SCREWS
2 HOLE COVERS
1 GROUND SCREW
BOX COVER FRIEDRICH PN: 613-892-00
GASKET RACO INC. PN: 5173-0
2 SCREWS
1 SHEET METAL SCREW

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Figure B
Shell (Cabinet) Preparation
It will be necessary to relocate the sill plate of the cabinet 2"
back from its shipping position, and the shell guides 4" forward,
totheforward-mostholeintheshellrail. Discardthechassis
retainer wire disconnected in Section II, Step 3. The junction
box mounting leg from Section VI, Step 1, and the field-installed
conduit will retain the chassis in the shell.
IF THIS INSTALLATION IS FOR A SASH WINDOW – With
thewideflangeandpilotholesofthesillplateforward,putthe
screws/nutsintherearholesofthesillplateandthirdshellhole
from the front (the center of three square holes). Anchor the
side angles (Item #6) by engaging the tabs at each end of the sill
plate with the bottom loops of the side angle. Engage the tabs at
CABINET TOP ANGLE (ITEM #5)
8A X 3/8" LONG SCREW (ITEM #7)
2 REQUIRED
LOOP
SIDE ANGLE
(ITEM #6) 2
REQUIRED
SILL PLATE
TAB
TAB
Detail B-1
Detail B-2
LOOP
Position the sill plate into the
cabinet with the sill plate holes
to the back. Align the plate 2
inches from the front of the
cabinet and secure it with a nut
and bolt in each end.
Figure C
DETAIL 2
DETAIL 1
BEFORE AFTER
SILL PLATE
TURN SILL PLATE
END TO END
BEND TABS DOWN
SCREW
(2 REQUIRED)
NOTE: HOLES
MOVED TO
BACK SIDE
NUT
(2 REQUIRED)
RETAINER, CHASSIS
(THIS SIDE ONLY)
CABINET
each end of the top angle (Item #5) with the top loops of the side
angle. Install two (2) screws (Item #7) to secure the top angle
tabs and the side angle to the rear-most holes in the side of the
cabinet (See Figure B, below).
IF THIS INSTALLATION IS THROUGH A WALL – Turn
thesillplateendtoendsothatthewideflangewithpilotholes
will be over the wall header (towards the rear) and two inches
from the front of the cabinet. Bend the tabs into the channel
ofthesillplate,putthescrews/nutsinthefrontholesofthesill
plateandintothesecondshellholefromthefront.Useonebolt
on each side to secure the sill plate to the cabinet. (See Figure
C, below.)

10
Figure D
Figure E
STEP 3 OUTSIDE SUPPORT MOUNTING: Assemble the support brackets (Item #1) to the bottom rails of the cabinet with four
(4) 10-24 1" long screws (Item #2) and four (4) 10–24 flat nuts (Item #3). Adjust the support brackets to bring the bottom
pads in contact with the wall surface. (See Figure E.)
A1"x4"or2"x4"SPACERSHOULDBEUSEDBETWEENTHEWALLANDTHESUPPORTBRACKETSWHEN
INSTALLED ON ALUMINUM OR VINYL SIDING). Drill 5/32" (4 mm) dia. pilot holes, and secure the brackets to the wall with
two (2) #12A x 2" long screws (Item #4). Adjust the support brackets to provide an approximate 3/8" (10 mm) down slope towards the
outside for drainage. Tighten all screws. (See Figure E).
Shell Installation: Sash Window Installations
Shell (Cabinet) Installation – Standard Sash Windows
STEP 1 Checkthewindowsillandframetobesuretheyareingoodconditionandfirmlyanchoredtothewall. Repairif
necessary.
STEP 2 CABINET MOUNTING: Raise the lower window sash 1/4" more than the height of the cabinet. Carefully slide the cabinet
throughtheopenwindowuntilthesillplatechannelrestsbehindthewindowsillandthetopsupportanglerestsagainstthe
window (See Figure D). Center the cabinet side to side and drill three (3) 5/32" dia. pilot holes into the window sill using
theholesinthecabinetsillplateasaguide. Installthree(3)#12Ax2"longscrews(Item#4)(SeeFigureD).
CENTER CABINET SIDE TO SIDE IN WINDOW
DRILL 3 5/32" PILOT HOLES AND INSTALL 3
#12A X 2" LONG SCREWS (ITEM #4)
WINDOW SILL
LOCATE THE SILL PLATE GUIDE CHANNEL
JUST BACK OF THE WINDOW SILL.
TOP SUPPORT ANGLE
PULL WINDOW SASH DOWN BEHIND
THE TOP SUPPORT ANGLE
SIDE SUPPORT ANGLE
A 1" X 4" OR 2" X 4" SPACER SHOULD BE USED BE-
TWEEN THE WALL AND BRACKET WHEN INSTALLED
ON ALUMINUM, ASBESTOS OR VINYL SIDING.
3/8" (10 MM)
DOWN SLOPE
#12A X 2"
SCREW
(ITEM #4)
SUPPORT
BRACKET
10 - 24 FLAT WELDNUT (ITEM #3)
10 - 24 X 1" HEX HEAD SCREW (ITEM #2)
SUPPORT BRACKET (ITEM #1)
Falling Object Hazard
Not following Installation Instructions
for mounting your air conditioner can
result in property damage, injury, or
death.
WARNING
Instructions for mounting sleeve with
slope must be observed to prevent entry
of water into room.
NOTICE