Direct Supply E7822, E7831, E7830, E7823, E7824 Owner's Manual
...
®
Direct Supply
PACKAGED TERMINAL AIR
CONDITIONER/HEAT PUMP
Owner’s Manual
Please keep and refer to this Owner’s Manual.
Thank you for purchasing a Direct Supply® Packaged Terminal Air Conditioner/Heat Pump from Direct Supply Equipment
®
& Furnishings
instructions, warnings, warranty information and other important information about your Packaged Terminal Air Conditioner/
Heat Pump. Share this information with your housekeeping, nursing and maintenance staff to help ensure the Packaged
Terminal Air Conditioner/Heat Pump is cared for properly.
. Please read this entire guide carefully and keep it for future reference. This guide will provide you with
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Contents
Table of Contents
Safety Precautions..............................................................................................................3
Important Safety Instructions ........................................................................................ 4 - 5
Product Features ................................................................................................................ 6
PTAC Specifications ...........................................................................................................7
Air Conditioner Features ..................................................................................................... 8
Control Panel Operation ..................................................................................................... 9
Dip Switch Configurations ......................................................................................... 10 - 11
Wall Thermostat Terminal .......................................................................................... 12 - 13
Installation ................................................................................................................. 14 - 15
Care & Cleaning ................................................................................................................ 16
Troubleshooting ................................................................................................................ 17
Accessories ...................................................................................................................... 18
Limited Warranty .............................................................................................................. 19
Customer Service ............................................................................................................. 19
Introduction
Inside this manual you will find many helpful hints on how to use and maintain your air conditioner
properly. Just a little preventive care on your part can save you a great deal of time and money over the
life of your air conditioner. You’ll find many answers to common problems in the chart of troubleshooting
tips. If you review our chart of Troubleshooting Tips first, you may not need to call for service at all.
• CAUTION
• This appliance can be used by persons with reduced physical, sensory or mental capabilities, or lack
of experience and knowledge if they have been given supervision or instruction concerning use of the
appliance in a safe way and understand the hazards involved. Always provide appropriate supervision.
• This appliance is not intended for use by persons (including children) with reduced physical,
sensory or mental capabilities, or lack of experience and knowledge, unless they have been given
supervision or instruction concerning use of the appliance by a person responsible for their safety.
• Children should be supervised to ensure they do not play with the appliance.
• If the supply cord is damaged, it must be immediately replaced. Contact Direct Supply Equipment
& Furnishings and do not use the product until the cord has been replaced.
• The appliance shall be installed in accordance with national wiring regulations.
• Do not operate your air conditioner in a wet room, such as a bathroom or laundry room.
• The appliance with electric heater shall have at least 1 meter space to combustible materials.
• Contact Direct Supply Equipment & Furnishings for repair or maintenance of this unit.
Definitions and Symbols
NOTE: Indicates a helpful tip.
CAUTION: Indicates correct operating or maintenance procedures in order to prevent damage to or
destruction of the equipment or other property.
WARNING: Calls attention to a potential danger that requires correct procedures or practices in order
to prevent personal injury.
•: Attention! Read the instructions.
PRODUCT: Your Packaged Terminal Air Conditioner/Heat Pump.
YOU and YOUR: The facility, community, or other person or entity that has purchased the product.
WE, US and OUR: Direct Supply Manufacturing, Inc.
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Safety Precautions
• WARNING: Plug in power plug properly.
Otherwise, it may cause electric shock or fire due
to excess heat generation.
• WARNING: Do not operate or stop the unit by
inserting or pulling out the power plug. It may cause
electric shock or fire due to heat generation.
• WARNING: Do not damage or use an
unspecified power cord. It may cause electric shock
or fire. If the power cord is damaged, it must be
immediately replaced. Do not use a product with a
damaged power cord.
• WARNING: Do not modify power cord length or
share the outlet with other appliances. It may cause
electric shock or fire due to heat generation.
• WARNING: Do not operate with wet hands or in
damp environment. It may cause electric shock.
• WARNING: Do not direct airflow at room
occupants only. This could damage your health.
• WARNING: Always ensure effective earthing.
Incorrect grounding may cause electric shock.
• WARNING: Do not allow water to run into
electric parts. It may cause failure of machine or
electric shock.
• WARNING: Always install on a dedicated power
circuit with a circuit breaker. Incorrect installation
may cause fire and electric shock.
• WARNING: Unplug the unit if strange sounds,
smell or smoke comes from it. It may cause fire and
electric shock.
• WARNING: Do not use the socket if it is loose or
damaged. It may cause fire and electric shock.
• WARNING: Do not open the unit during
operation. It may cause electric shock.
• WARNING: Do not use the power cord close
to heating appliances. It may cause fire and
electric shock.
• WARNING: Do not use the power cord near
flammable gas or combustibles, such as gasoline,
benzene, thinner, etc. It may cause an explosion
or fire.
• WARNING: Ventilate room before operating
air conditioner if there is a gas leak from another
appliance. It may cause explosion, fire and burns.
• WARNING: Do not disassemble or modify unit. It
may cause failure and electric shock.
• WARNING: Do not use a product you suspect is
not functioning properly. Immediately contact Direct
Supply Equipment & Furnishings.
• CAUTION: When the air filter is to be removed,
do not touch the metal parts of the unit. It may
cause an injury.
• CAUTION: Do not clean the air conditioner with
water. Water may enter the unit and degrade the
insulation. It may cause an electric shock.
• CAUTION: Ventilate the room well when used
together with a stove, etc. to avoid an oxygen shortage.
• CAUTION: When the unit is to be cleaned,
switch off and turn off the circuit breaker. Do not
clean unit when power is on, as it may cause fire,
electric shock or injury.
• CAUTION: Hold the power plug by the head
when taking it out. Failure to do so may cause
electric shock and damage.
• CAUTION: Turn off the main power switch when
not using the unit for a long time. Failure to do so
may cause failure of product or fire.
• CAUTION: Do not place obstacles around air-
inlets or inside of air-outlet. It may cause failure of
appliance or accident.
• CAUTION: Ensure the installation bracket of the
outdoor appliance is not damaged due to prolonged
exposure. If bracket is damaged, there is a risk of
damage due to the unit falling out.
• CAUTION: Always securely insert the filters prior
to use. Clean filter once every two weeks. Operation
without filters may cause failure.
• CAUTION: Do not use strong detergents to clean
the unit. Appearance may be deteriorated due to
change of product color or scratching of its surface.
• CAUTION: Do not place heavy objects on the
power cord. Ensure the cord is not compressed.
There is danger of fire or electric shock.
• CAUTION: Do not drink water drained from air
conditioner. It contains contaminants and could
make you sick.
• CAUTION: Use caution when unpacking and
installing. Sharp edges could cause injury.
• CAUTION: If water enters the unit, turn off the
unit at the power outlet and switch off the circuit
breaker. Isolate supply by taking the power plug out
and contact a qualified service technician.
• CAUTION: Clean the evaporator once every
three months. Otherwise it may cause failure of
electric heating feature.
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3
Important Safety Instructions
NOTE: The power supply cord with this air conditioner contains a current detection device designed to
reduce the risk of fire. Please refer to the section “Operation of Current Device” for details. In the event
that the power supply cord is damaged, it cannot be repaired. It must be replaced. Do not use a product
with a damaged power cord. Contact Direct Supply Equipment & Furnishings to order a replacement.
• WARNING: For Your Safety
• Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other
appliance.
• Avoid fire hazard or electric shock. Do not use an extension cord or an adapter plug. Do not remove
any prong from the power cord.
• WARNING: Electrical Information
• Be sure the electrical service is adequate for the model you have chosen. This information can be
found on the serial plate, which is located on the side of the cabinet and behind the grille.
• Be sure the air conditioner is properly grounded. To minimize shock and fire hazards, proper grounding
is important. The power cord is equipped with a three-prong grounding plug for protection against
shock hazards.
• Your air conditioner must be used in a properly grounded wall receptacle. If the wall receptacle you
intend to use is not adequately grounded or protected by a time delay fuse or circuit breaker, have a
qualified electrician install the proper receptacle.
• Ensure the receptacle is accessible after the unit installation.
• Do not run air conditioner without side protective cover in place. This could result in mechanical
damage within the air conditioner. Do not use an extension cord or an adapter plug.
Do not, under any
circumstances, cut,
remove or bypass the
grounding prong.
NOTE: The shape may be different according to its model:
Power Card
Power Supply 230V, 15A 230V, 20A 230V, 30A 265V, 15A 265V, 20A 265V, 30A
4
Power supply cord with
3-prong grounding plug and
current detection device
Operation of Current Device (optional)
The power supply cord contains a current device that senses damage to the power cord. To test your
power supply cord do the following:
1. Plug in the air conditioner.
2. The power supply cord will have TWO buttons on the plug head. Press the TEST button; you will
notice a click as the RESET button pops out.
3. Press the RESET button; again, you will notice a click as the button engages.
4. The power supply cord is now supplying electricity to the unit (on some products, this it also
indicated by a light on the plug head).
Plug in & press RESET
TEST
RESET
NOTE: Some plugs have buttons on the top
NOTES:
• Do not use this device to turn the unit on or off.
• Always make sure the RESET button is pushed in for correct operation.
• The power supply must be replaced if it fails reset when either the TEST button is pushed or it
cannot be reset. A new one can be obtained from Direct Supply Equipment & Furnishings.
• If power supply cord is damaged, it cannot be repaired. It MUST be replaced by one obtained from
Direct Supply Equipment & Furnishings.
• When 265V units are to be installed, the power supply must be permanent wiring. Permanent
wiring may be done through the accessory subbase. An exposed cord connection on 265V units is
not permitted.
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5
Product Features
DIGITAL TEMPERATURE READOUT
Large, easy-to-read LED display shows the setpoint temperature of the unit
ADVANCED CORROSION PROTECTION
Unique anticorrosive coating on the condenser helps withstand salty air, rain and other corrosive
elements. Standard on all models.
FAN SPEED MODE
Direct Supply units feature three fan speeds and AUTO mode for the user to select from
CONSTANT FAN MODE
Fan can be set to run continuously in both heating and cooling mode via DIP switch settings on the
control board
INDIVIDUAL MODE AND FAN CONTROL BUTTONS
Separate controls for both fan speed and mode settings
COMPRESSOR RESTART DELAY
Prevents short-cycling of the air conditioner by delaying compressor restart by a minimum of 3 minutes
AUTOMATIC EVAPORATOR FREEZE PROTECTION
Compressor is turned off and fan is turned on when evaporator temperature is too low
DIAGNOSTIC ERROR CODES
Alerts the user with a specific error code when a component failure is detected
AUTOMATIC QUICK WARM-UP (HEAT PUMP MODELS ONLY)
If the room temperature is 8°F below the setpoint temperature, the heat pump will shut off, and the
electric heater will turn on until the setpoint is reached
HIGH TEMPERATURE PROTECTION IN HEATING MODE
The compressor and/or electric heater will turn off if the indoor temperature is too high or the indoor
temperature sensor fails
REMOTE THERMOSTAT OPERATION
Direct Supply PTAC units can be controlled by a wired or wireless thermostat
ELECTRONIC TEMPERATURE LIMITING
Direct Supply PTAC units offer four different temperature limiting settings, giving the user flexibility
in configuring those units
AUTOMATIC EVAPORATOR COIL DEFROSTING
If frost is detected on the evaporator coils, the unit will defrost automatically and the heat pump will
turn off
CENTRAL CONTROL READY
Direct Supply PTAC units have low voltage terminals to allow control from a remote location
QUIET OPERATION
Direct Supply PTAC units are among the quietest in the industry
FILTERED FRESH AIR INTAKE
Outdoor air passes through a replaceable filter to prevent particles from entering the room
R-410A REFRIGERANT
Direct Supply PTAC units use an environmentally friendly refrigerant
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