Hybrid+ Advantage User manual

Before using your air conditioner, please read this manual carefully and keep it for future reference.
PACKAGED TERMINAL AIR CONDITIONER/HEAT PUMP

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CONTENTS
SAFETY PRECAUTIONS................................................................................................................................................3
IMPORTANT SAFETY INSTRUCTIONS ...........................................................................................................................5
AIR CONDITIONER FEATURES .....................................................................................................................................7
CONTROL PANEL OPERATION .....................................................................................................................................9
DIP SWITCHES CONFIGURATIONS (Optional).............................................................................................................11
INSTALLATION .........................................................................................................................................................16
CARE AND CLEANING ...............................................................................................................................................20
TROUBLESHOOTING.................................................................................................................................................22
OPTIONAL WIRED/WIRELESS DIGITAL WALL STATS ...................................................................................................24

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Read This Manual
Inside 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.
This appliance can be used by children eight years or above as well as people with reduced physical, sensory or
mental capabilities or lack of experience and knowledge given the supervision concerning the safe usage and
hazard involved. (applicable to all European Countries)
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. (applicable to all non-European
countries)
Children should be supervised to ensure that they do not play with the appliance.
If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified
persons in order to avoid any hazard.
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 be kept at least 1 meter away from the combustible material.
Contact the authorized service technician for repair or maintenance of this unit.
Contact the authorized installer for installation of this unit.
SAFETY PRECAUTIONS
To prevent injury or property damage, the following instructions must be complied:
Incorrect operation due to non-compliance of instructions may cause personal harm or damage to property. The
seriousness is classified by the following indications.

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Plug in power plug properly.
Otherwise, it may cause
electric shock or fire due to
excess heat generation.
Do not modify power cord
length or share the outlet
with other appliances.
It may cause electric shock or
fire due to heat generation.
Always ensure effective
earthing.
Incorrect earthing may cause
electric shock.
Unplug the unit if strange
sounds, smell, or smoke
comes from it.
It may cause fire and electric
shock.
Keep firearms away.
It may cause fire.
Ventilate room before
operating air conditioner if
there is a gas leakage from
another appliance.
It may cause explosion, fire
and, burns.
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.
Do not operate with wet
hands or in damp
environment.
It may cause electric shock.
Do not allow water to run
into electric parts.
It may cause failure of
machine or electric shock.
Do not use the socket if it is
loose or damaged.
It may cause fire and electric
shock.
Do not use the power cord
close to heating appliances.
It may cause fire and electric
shock.
Do not damage or use an
unspecified power cord.
It may cause electric shock or
fire.
Do not direct airflow at
room occupants only.
It may cause electric shock or
fire.
If the power cord is
damaged, it must be
replaced by the
manufacturer or an
authorized service center or
a similarly qualified person in
order to avoid a hazard.
Always install circuit breaker
and a dedicated power
circuit.
Incorrect installation may
cause fire and electric shock.
Do not open the unit during
operation.
It may cause electric shock.
Do not use the power cord
near flammable gas or
combustibles, such as
gasoline, benzene, thinner,
etc.
It may cause an explosion or
fire.
Do not disassemble or
modify unit.
It may cause failure and
electric shock.
When the air filter is to be
removed, do not touch the
metal parts of the unit.
It may cause an injury.
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 and electric shock, it may
cause an injury.
Stop operation and close the
window in a storm or
hurricane.
Operation with windows
opened may cause wetting of
indoor and soaking of
household furniture.

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Do not place obstacles
around air-inlets or inside of
air-outlet.
It may cause failure of
appliance or accident.
Do not use strong detergent
such as wax or thinner but
use a soft cloth.
Appearance may be
deteriorated due to change
of product color or
scratching of its surface.
Use caution when unpacking
and installing. Sharp edges
could cause injury.
Clean the evaporator once
every three months by
professional people.
Otherwise it may cause
failure of electric heating
feature.
Do not clean the air
conditioner with water.
Water may enter the unit
and degrade the insulation. It
may cause an electric shock.
Do not put a pet or house
plant where it will be
exposed to direct air flow.
This could injure the pet or
plant.
Hold the plug by the head of
the power plug when
inserting in socket or taking
it out.
It may cause electric shock
and damage.
Ensure that the installation
bracket of the outdoor
appliance is not damaged
due to prolonged exposure.
If bracket is damaged, there
is concern of damage due to
falling of unit.
Do not place heavy object
on the power cord and
ensure that the cord is not
compressed in any way.
There is danger of fire or
electric shock.
Ventilate the room well
when used together with a
stove, etc.
An oxygen shortage may
occur.
Do not use for special
purposes.
Do not use this air
conditioner to preserve
precision devices, food, pets,
plants, and art objects. It
may cause deterioration of
quality, etc.
Turn off the main power
switch when not using the
unit for a long time.
It may cause failure of
product or fire.
Always insert the filters
securely. Clean filter once
every two weeks or
monthly.
Operation without filters
may cause failure.
Do not drink water drained
from air conditioner.
It contains contaminants and
could make you sick.
If water enters the unit, turn
the unit off at the power
outlet and switch off the
circuit breaker. Isolate
supply by taking the power-
plug out and contact a
qualified service technician.
IMPORTANT SAFETY INSTRUCTIONS
NOTE The power supply cord included contains
a current detection device designed to reduce
the risk of fire.
For your safety
Do not keep gasoline or other flammable
vapors and liquids in the vicinity of the unit or

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Please refer to the operation section for more
details.
The power cord cannot be repaired. If the
power cord is damaged, a new one should be
obtained from manufacturer or its service
agent.
any other electrical appliance.
To avoid fire hazard or electric shock:
oDo not use an extension cord or an
adaptor plug.
oDo not cut or remove any prong from
the power plug or cord.
Electrical Information
Be sure the power cord 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 also 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 to properly install it.
Ensure the receptacle is accessible after the
unit installation.
Do not run air conditioner without a side
protective cover.
This could result in mechanical damage within
the air conditioner.
The appliance shall be installed in accordance
with national wiring regulations.
Do not use an extension cord or an adapter
plug.
NOTE: The shape may be different according to its model:
Do not under any
circumstances, cut, remove
or bypass the grounding
prong
Power supply cord with 3-prong grounding plug
and current protection device

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This unit has many features. The servicer must be familiar with these features in order to properly
Service the unit.
Operation of Current Device (optional)
The power supply cord contains a protection
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 also
indicated by a light on the plug head.)
NOTES:
Do not use this device to turn the unit on or off.
Always make sure the RESET button is pushed in for proper 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 should be obtained from the manufacturer.
The power cord cannot be repaired. If the power cord is damaged, a new one should be obtained from
manufacturer or its service agent.
When 265V units are to be installed, the power supply must be done through permanent wiring.
Permanent wiring may be done through the accessory sub-base. An exposed cord connection on 265V
units is not permitted.
AIR CONDITIONER FEATURES

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This unit has many features. The servicer must be familiar with these features in order to properly
service the unit.
Compressor Restart Delay
This feature extends the overall life of compressor by preventing the short-cycling of the air conditioner.
When the compressor restarts, the unit is designed to give a minimum of three minutes delay to
equalize the refrigerant pressures and optimize the cycling of unit.
Memory
The unit has a memory system .If power is lost, all the control settings (mode, fan speed, on/off and
Configuration) are saved. When power is restored, the unit starts in the same mode (and configuration)
it was in before the power was lost.
Automatic Evaporator Freeze Protection
To keep the evaporator from freezing, this feature activates automatically in which the compressor is
turned off and the indoor fan is turned on when the evaporator temperature gets too low.
Automatic Quick Warm-up (for heat pump models only)
If the room temperature falls to 4.5 C/8 F below the set point temperature, the reverse cycle heat is
shut off and the electric strip heat is turned on for one cycle, until the set heat is attained.
LED Indicators and Buttons
The touch pad has buttons for MODE, FAN, POWER, SETPOINT UP and SETPOINT DOWN.
It also has LEDs that correspond to the mode, fan speed, power and set point operation, to indicate the
unit s status. LEDs for HIGH, MED and LOW indicate the fan speed that is selected.
LEDs for FAN, COOL and HEAT indicate what operating mode is active. LED for POWER is the unit
ON/OFF status LED. If the unit is in ON mode, the LED will be green. If the unit is OFF, the LED will be off.
Unit Configuration
NOTE: HEAT mode is for Cooling & Heating models only.
High Temperature Protection in Heating
Operation
The compressor and (or) electric heater will be switched off to prevent damage in high indoor blow air
temperature or error indoor temperature sensor.

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CONTROL PANEL OPERATION
The control panel keypad will look like the following:
For some models with REMOTE SIGNAL RECEPTOR, the unit can be controlled by the control panel alone
or by the remote wall stat.
No REMOTE SIGNAL RECEPTOR.
Fig.1
POWER
- Press the POWER button to turn the unit on or off.
When the unit is on, the power indicator light will be green. When the unit is off, the light will go out.
MODE
- Push this button to cycle through the modes from COOL-HEAT-FAN-COOL. The indicator light beside
the "MODE" option will illuminate, displaying the mode selected.
- COOL: The range of set temperature is 17 C/62 F ~30 C/86 F. Cooling begins automatically when
the room temperature is above the set point, and stops when the room temperature is 2 C(4 F) below
the set point. But the compressor will run 5 minutes at least in COOL mode before stopping. The fan
runs in continuous mode.
- HEAT: The range of set temperature is 17 C/62 F ~29 C/84 F. For heat pump models, the unit can
alternate to run between in reverse cycle heat mode and electric heater mode according to the
difference between the setting temperature and the room temperature. The fan motor cycles on and off
with the compressor and electric heater.
NOTE: The reverse cycle and electric heater cannot be run at the same time.
- FAN: Fan operation only without heating and cooling.

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UP/DOWN BUTTONS (+ / -)
- Push the UP (or DOWN) button to increase (or decrease) the set temperature of the unit in cooling or
heating mode. The temperature can be set by increments of 1 C (1 F).The setting temperature appears
in the display.
NOTE: Press and hold and buttons together for 3 seconds will alternate the temperature display
between C & F scale.
FAN (FAN SPEED)
- Every time you push this button, the fan speed cycles through the settings as follows HIGH-MED-LOW-
HIGH.
DISPLAYS:
- Shows the set temperature in C or F. While on Fan only mode, it shows the room temperature.
Control code (on some models):
LC-Pads on the control panel is not available. The unit can be set by using wire controller only.
LF-Pads on the control panel and wire controller are not available. The unit can be set by using
FRONT DESK CONTROL only.
Error codes:
AS-Room temperature sensor error;
ES-Evaporator temperature sensor error;
CS-Condenser temperature sensor error;
OS-Outside temperature sensor error;
HS-Exhaust temperature sensor error;
LE-Wire controller error;
NOTE: When the error occurs, unplug the unit and plug it again. If the error repeats, call for assistance.
Other codes:
LO-Room temperature is lower than 0 C/32 F;
HI-Room temperature is higher than 37 C/99 F.
NOTE: This air conditioner is designed to be operated under condition as follows:

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Note: Performance may be reduced outside of these operating temperatures.
Accessory
NOTE: When the unit displays LC (Pads on the control panel is not available. The unit can be set by using
wire controller only.) You can install the Accessory on the control panel.
DIP SWITCHES CONFIGURATIONS (Optional)
REMOVING THE FRONT PANEL
- Dip switches controls are located behind front
panel, through an opening below the control
panel. To access, remove front panel. See Fig.2.
- Dip switches are accessible without opening the
control box. See Fig.3.
- Unit must be powered OFF to effectively change
their status.
DIP SWITCHES CONFIGURATIONS
- See Table 1 and Fig.4 for Dip Switches configurations and functions of each dip switch position.

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Fig.4
NOTE: On heating mode, the setting temperature cannot be higher than 29 C/84 F.
Electric Heat Only (for heat pump units only)
- This setting is typically used for Emergency Heating.
Wall Thermostat Enable
- A wired wall thermostat can be connected to the unit. In order to do so, dip switch must be moved to
the Wall Thermostat Enable Position, before the wall thermostat will begin control.
Setpoint Temperature Limits
- Provides a restricted range of temperature control
Heat and Cool Fan CON/CYC Dip-switches
- Allows the fan to operate in continuous or cycle

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Modes while the unit is in heating and cooling mode.
CON (Continuous)
- Allows fan to run continuously, circulating air even when the temperature setting has been satisfied.
This switch helps to maintain the room temperature closer to the thermostat setting.
CYC (Cycle)
- This setting allows the fan to cycle on and off with the compressor or electric heater. The fan stops a
short time after the set temperature is attained.
WALL THERMOSTAT TERMINAL (Optional)
IMPORTANT: Only trained, qualified personnel should access electrical panel on unit and install
electrical accessories. Please contact your local electrical contractor, dealer, or distributor for
assistance.
Thermostat Wire Routing
Thermostat wire is field supplied. Recommended wire gauge is 18 to 20 gauge solid thermostat wire.
NOTE: It is recommended that extra wires are run to the unit in case any of them get damaged during
the installation.
Thermostat wire should always be routed around or under the wall sleeve but NEVER through it. The
wire should then be routed behind the front panel to the easily accessible terminal connector.
THERMOSTAT WIRE ROUTING

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(UNDER SLEEVE, BEHIND FRONT PANEL)
Fig. A - Proper Wire Routing Beneath Unit
NOTE: Refer to thermostat installation instructions for details on installing wall thermostat.
Installation instruction of some types of wall stats (you can consult with the sales agency or
manufacturer for details)
- Pull the dip switch DOWN (OFF) as shown below.
- Insert the wire connector of the wall stat into the relevant terminal according to different shapes as
shown below.
Installation instruction of PTAC other Wall Thermostat
- Remove the two screws as shown below and take the cover panel down.

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WALL THERMOSTAT TERMINAL (Optional)
UNIT DAMAGE HAZARD
Failure to follow this caution may result in equipment damage or improper operation.
Improper wiring may damage unit electronics.
Common wire busing is not permitted. Damage or erratic operation may result.
NOTE:
Use terminal 4-way for heat pump connection only.

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It’s suggested to set the compressor protection time to 3 minutes. If it’s set less than 3 minutes,
then the compressor will set the restart delay to 3 minutes automatically.
Wall thermostat must be heat changeover for 4-way valve.
For thermostats that have only one fan speed output (on or auto), the fan speed is determined
by how the terminal connector is wired. If Low fan is desired, wire the G output from the
thermostat to (LOW-FAN) on the unit terminal block. If High fan is desired, wire the G output
from the thermostat to (HI-FAN) on the unit terminal block.
The range of set temperature of must be coinciding with the range of DIP switch setting.
Wall thermostat must be set the type properly with the unit type: heat pump or Electric heat.
If it has only one electrical heater output, connect the two terminals of HEAT 1 and HEAT 2, the
unit can operate two electrical heaters (only for the unit that has two electrical heaters).
Otherwise operate one electrical heater only.
FRONT DESK CONTROL
The controller can handle a switch signal from FC (L) and FC (N) input, called front desk control. Input
must be 24VAC. If system does not receive a 24VAC signal, it will turn unit off; otherwise, the unit runs in
normal mode.
- The DIP switch can control the FRONT DESK CONTROL feature. The DIP switch is on the DOWN
position, the unit will turn off; otherwise, the unit runs in normal mode.
INSTALLATION
There are sharp edges that can cause serious cuts.
When lifting the air conditioner, use 2 or more people to lift unit –it’s heavy.
HOW TO INSTALL THE UNIT
- For existing sleeve, you should measure the wall sleeve dimensions.

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- Install the new air conditioner according to these installation instructions to achieve the best
performance.
All wall sleeves used to mount the new air conditioner must be in good structural condition and have a
rear grille that securely attaches to the sleeve or the flange of the sleeve to secure the new air
conditioner.
- To avoid vibration and noise, make sure the unit is installed securely and firmly.
- When installing the sleeve, make certain there is nothing within 20 inches of the back that would
interfere with heat radiation and exhaust air flow. (See Fig.2)
PREPARATION OF SLEEVE ASSEMBLY (optional)
- Refer to the installation instruction of sleeve assembly for details.
UNIT INSTALLATION
- Carefully remove shipping tapes from the front panel.
- Remove the front panel. (See Fig.4)
- Remove the shipping screw from the vent door.(See Fig.5)

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INSTALLATION CONTINUED
UNIT INSTALLATION (CONTINUED)
- Rotate the vent control lever to either open or close the vent door. (See Fig.6)

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NOTE: When vent control lever set at CLOSE, only the air inside the room is circulated and filtered.
When set at OPEN, some outdoor air will be drawn into room. This will reduce heating or cooling
efficiency.
- Lift unit level and slide unit into wall sleeve until firmly against front of wall sleeve and secure with 4
screws and washers (supplied in the SLEEVE ASSEMBLY) through the unit flange holes.
(See Fig.7 and Fig.8)

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Do not put obstacles around air-inlet or inside of air-outlet of the unit, such as window curtain
etc.
Always insert the filter securely, clean filter once every two weeks as required.
CARE AND CLEANING
FRONT PANEL AND CASE
- Turn unit off and disconnect power supply. For cleaning, use water and a mild detergent. DO NOT use
bleach and/or abrasives. Some commercial cleaners may damage the plastic parts.
OUTDOOR COIL
- Coil on outdoor side of unit should be checked regularly. Unit will need to be removed to inspect dirt
build-up that will occur on the inside of the coil.
If the coil is clogged with dirt and soot, it should be professionally cleaned. It is recommended to clean
inside and outside of outdoor coils regularly.
NOTE: Never use a high-pressure spray on coil.
UNIT DAMAGE HAZARD
Failure to follow this caution may result in equipment damage or improper operation.
Airflow restriction may cause damage to the unit.
AIR FILTERS
IMPORTANT: TURN UNIT OFF BEFORE CLEANING
Failure to follow this caution may result in equipment damage or improper operation.
Do not operate unit without filters. If a filter becomes torn or damaged, it should be replaced
immediately.
Operating without filters or with damaged filters will allow dirt and dust to reach indoor coil and
reduce cooling, heating, airflow and efficiency of the unit.
- To maintain unit efficiency, it is required to clean filters once every two weeks.
Clogged filters reduce cooling, heating and airflow.