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2

Installation Location

• We recommend that this air conditioner be installed

properly by qualified installation technicians in accor-
dance with the Installation Instructions provided with
the unit.

• Before installation, check that the voltage of the electric

supply in your home or office is the same as the voltage
shown on the nameplate.

Electrical Requirements

1. All wiring must conform to the local electrical codes.

Consult your dealer or a qualified electrician for details.

2. Each unit must be properly grounded with a ground (or

earth) wire or through the supply wiring.

3. Wiring must be done by a qualified electrician.
4. Never use an extention cord with this air conditioner.

Safety Instructions

• Read this Instruction Manual carefully before using this

air conditioner. If you still have any difficulties or prob-
lems, consult your dealer for help.

• This air conditioner is designed to give you comfort-

able room conditions. Use this only for its intended
purpose as described in this Instruction Manual.

• Avoid letting cooled/heated air blow directly on your

body for a long time.

• Do not install this air conditioner

where there are fumes or flam-
mable gases, or in an extremely
humid space such as a green-
house.

• Do not install the air conditioner

where excessively high heat-
generating devices are placed.

• Never use or store gasoline or

other flammable vapor or liquid
near the air conditioner — it is
very dangerous.

• Do not turn the air conditioner

on and off from the power
mains switch. Use the mode
selector switch.

• Do not stick anything into the

air outlet of the unit. This is dan-
gerous because the fan is rotat-
ing at high speed.

• Do not let children play with the

air conditioner.

• Do not cool or heat the room

too much if babies or invalids
are present.

Air Intake

Air from the room is drawn into this section
and passes through air filters which remove
dust.

Air Outlet

Conditioned air is blown out of the air con-
ditioner through the air outlet.

WARNING

WARNING

CAUTION

Names of Parts

Air outlet

Wall case

Cover switch and
control panel

Air intake

Front grille

Rear grille

Control Panel and Operation Functions

WARMER

COOLER

range

Intermediate

72

°

F

(88

°

F)

(55

°

F)

Thermostat

Mode
selector

Thermostat Control
The thermostat knob is used to control the room tempera-
ture. The unit automatically cycles on and off to maintain
room temperature. A comfortable temperature will be
maintained in most rooms when the control is set to
about intermediate range.

Mode Selector
HI HEAT 
provides heating with high fan speed operation.
LOW HEAT provides heating with low fan speed operation.
OFF setting stops heating or cooling operation.
FAN provides fan operation without cooling or heating.
LO COOL provides cooling with low fan speed operation.
HI COOL provides cooling with high fan speed operation.

∗ 

As long as power is connected to the unit, Freeze

Protection always functions at any position even at OFF
position.

OPERATING INSTRUCTIONS

US STW PTAC  8/8/01 5:34 PM  Page 2

Summary of Contents for STW-2 Series

Page 1: ...l refers to a hazard or unsafe practice which can result in severe personal injury or death This symbol refers to a hazard or unsafe practice which can result in personal injury or product or prop erty damage Alert Symbols The following symbols used in this manual alert you to potential ly dangerous conditions to users service personnel or the appli ance Contents Page IMPORTANT Please Read Before ...

Page 2: ... liquid near the air conditioner it is very dangerous Do not turn the air conditioner on and off from the power mains switch Use the mode selector switch Do not stick anything into the air outlet of the unit This is dan gerous because the fan is rotat ing at high speed Do not let children play with the air conditioner Do not cool or heat the room too much if babies or invalids are present Air Inta...

Page 3: ...at hold the louvers in place Turn the louver section 180 end for end replace the screws and replace the front grille The textured face of the louver section must be facing toward the room side Front grille Louver screws The direction of the heated or cooled air may be adjusted by removing and turning the louvers around 37 OFF VERTICAL 20 OFF VERTICAL Other Features Ventilation Control The ventilat...

Page 4: ... off the air conditioner before cleaning Air Filters The air filters should be cleaned at least once every two weeks Clogged filters reduce cooling heating and air flow Keeping these filters clean will Decrease cost of operation Save energy Prevent clogged heat exchanger coils Reduce costly compressor problems To remove the air filters Pull up 2 air filters Front To clean the air filters Vacuum of...

Page 5: ...ircuit breaker is tripped The unit is waiting for the compressor overload protector to reset Curtains blinds or furniture blocking the front of the air conditioner are restricting the air flow Thermostat control may not be set high low enough Turn the control to a lower or higher position NOTE In some installations the thermostat control cannot be turned all the way to the highest end or lowest en...

Page 6: ...hange the internal wiring or any part of the system DO NOT turn the air conditioner on and off by plugging and unplugging Use the Operation switch SELEC TOR Follow National Electrical Code NEC and local codes ordinances and regulations All wiring including installation of receptacles must be in accordance with these codes The NEC requires permanent connection for installa tions over 250 volts Prot...

Page 7: ...the outdoor panel as a grip and push out 3 Install the rear grille from the room side according to the instructions packed with the grille Protective panel Slit Stiffener 3 INSTALLATION 1 Remove the front grille by pulling out at the bot tom to release it then lift it up to clear the rail along the chassis top 1 2 2 Slide the chassis into the wall case and secure with four screws through the chass...

Page 8: ...m the Electrical Junction Box 3 Split and strip the wires as shown above 4 Install the Bottom Plate using the provided field supplied conduit and power supply conductors to the unit with screw B 5 Connect Power Supply wires to the stripped inner wires with the wire nuts 6 Dress the wiring inside the compartment and attach the cover plate with screw A 7 Reinstall the Front Grille 4 2 For 265V Units...

Page 9: ...itch on page 4 Set the limiting screws to the desired set ting and replace the control panel and the control knobs If the settings do not allow sufficient room temperature control the limiting screws may have to be repositioned Stop link Tapped holes 10 Thermostat shaft Coldest Warmest Temperature limiting screws location at shipment When the limiting screws are relocated it is recom mended that t...

Page 10: ... operable When the switch is set to CLOSED the unit is made inoperative Detailed hook up instructions are in the interface kit Follow the recommended wire sizing in the table below Two wires must be used from each FDC switch to each individual unit Good wiring practices e g twisted pairs SEPARA TION FROM POWER CIRCUITS must be followed to minimize induced voltages which may harm the con trol syste...

Page 11: ...ou have problems or questions concerning your Air Conditioner you will need the following information Model and serial numbers are on the nameplate of the cabinet Model No Serial No Date of purchase Dealer s address Phone number ...

Page 12: ...SANYO FISHER COMPANY A DIVISION OF SANYO NORTH AMERICA CORPORATION 21605 plummer Street Chatsworth CA 91311 U S A In Canada SANYO Canada Inc 300 Applewood Crescent Concord Ontario L4K 5C7 Canada ...

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