LG
PACKAGED TERMINAL
AIR CONDITIONER/HEAT PUMP
OWNER'S MANUAL
LG
http://www.lgservice.com
Please read the operating instructions and safety precautions carefully
and thoroughly before installing and operating your air conditioner.
IMPORTANT
Please read through this manual. It contains valuable
information about your air conditioner. This manual
may help save time and money by explaining proper
air conditioner maintenance and preventing improper
use.
ENGLISH ESPAÑOL FRANÇAIS
2 Room Air Conditioner
Packaged Terminal Air Conditioner/Heat Pump Owner's Manual
TABLE OF CONTENTS
FOR YOUR RECORDS
Write the model and serial numbers here:
Model #
Serial #
You can find them on a label on the side of each unit.
Dealer's Name
Date Purchased
■ Staple your receipt to this page in the event you need it
to prove date of purchase or for warranty issues.
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.
PRECAUTION
• Contact an authorized service technician for repair or
maintenance of this unit.
• Contact the installer for installation of this unit.
• The air conditioner is not intended for use by young
children or invalids without supervision.
• Young children should be supervised to ensure that
they do not play with the air conditioner.
• When the power cord is to be replaced, replacement
work shall be performed by authorized personnel
only using only genuine replacement parts.
• Installation work must be performed in accordance
with the National Electric Code by qualified and
authorized personnel only.
Safety Precautions..........................3
Before Operation.............................7
Introduction ....................................8
Electrical Safety ..............................9
Installation ....................................11
Control Locations..........................13
Maintenance and Service ............21
ENGLISH
Owner’s Manual 3
Safety Precautions
Safety Precautions
To prevent injury to the user or other people and property damage, the following instructions
must be followed.
■ Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness
is classified by the following indications.
■ Meanings of symbols used in this manual are as shown below.
WARNING
CAUTION
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage to properties only.
WARNING
■ Installation
Don't do this!
Be sure to follow the instruction.
Don’t use a power cord, a
plug, or a loose socket
which is damaged.
• It may cause a fire or electrical
shock.
Always plug into a grounded
outlet.
• It may cause a fire or electrical
shock.
Do not modify or extend the
power cord length.
• It will cause electric shock or fire
due to heat generation.
Do not disassemble or
modify products.
• It may cause failure and
electric shock.
Be caution when unpacking
and installing.
• Sharp edges may cause
injury.
Do not use the power cord near
flammable gas or combustibles
such as gasoline, benzene,
thinner, etc.
• It may cause explosion or fire.
Gasolin
4 Room Air Conditioner
Safety Precautions
■ Operation
Do not place the power cord
near a heater.
• It may cause fire and electric
shock.
Do not allow water to run
into electric parts.
• It will cause failure of machine or
electric shock.
Use a soft cloth to clean. Do
not use wax, thinner, or a
strong detergent.
• The appearance of the air
conditioner may deteriorate,
change color, or develop
surface flaws.
Wax
Thinner
Ventilate the room well when
using this appliance
together with a stove, etc.
• Oxygen depletion could occur.
Turn off the power and
breaker when cleaning the
unit.
• Moving parts could cause injury.
Turn off the main power
switch when not using it for
a long time.
• Prevent accidental startup and
the possibility of injury.
Unplug the unit if strange
sounds, odors, or smoke
come from it.
• It could represent a fire hazed.
Do not open the suction
inlet grill of the product
during operation.
• Otherwise, it may electrical
shock and failure.
If water enters the product, turn
off the the power switch of the
main body of appliance. Contact
service center after taking the
power plug out from the socket.
Do not place objects on the
power cord. Protect the cord
from being pinched or
damaged.
• There is danger of fire or electric
shock.
Use a dedicated circuit for
this appliance.
• An overloaded circuit is a fire
hazard.
Take the power plug out if
necessary, holding the end
of the plug and do not touch
it with wet hands.
• It may cause a fire or electrical
shock.
ENGLISH
Owner’s Manual 5
Safety Precautions
CAUTION
■ Installation
Do not operate or stop the
unit by inserting or pulling
out the power plug.
• It will cause electric shock or fire
due to heat generation.
Do not damage or use an
unspecified power cord.
• It will cause electric shock or fire.
Do not operate with wet
hands or in damp
environment.
• It will cause electric shock.
Hold the plug by the end
when taking it out.
• It may cause electric shock and
damage.
When gas leaks, open the
window for ventilation
before operating the unit.
• Otherwise, it may cause an
explosion and a fire.
Never touch the metal parts
of the unit when removing
the filter.
• They are sharp and may cause
injury.
Install the product so that the noise or
exhaust from the outdoor unit may not
cause any damage to the neighbors.
• Be considerate of your neighbor.
Be sure the product is level front-to-back
and side-to-side when installing.
• It may cause vibration or water leakage.
6 Room Air Conditioner
Safety Precautions
■ Operation
Be cautious not to touch the
sharp edges when installing.
• A severe cut or other injury could result.
Avoid excessive cooling and
perform ventilation sometimes.
• Use the ventilation function to circulate
air without cooling or heating
Do not insert hands or other
objects through the air inlet or
outlet during operation.
• Electrical and moving parts could cause
shock or injury.
If the liquid from the batteries gets onto your skin or
clothes, wash it well with clean water. Do not use the
remote if the batteries have leaked.
• The chemicals in batteries could cause burns or other health
hazards.
If you eat the liquid from the batteries, brush your teeth
and see doctor. Do not use the remote if the batteries
have leaked.
• The chemicals in batteries could cause burns or other health
hazards.
Do not put a pet or house plant
where it will be exposed to direct
air flow.
• It is not good to sit in the draft.
Do not block the inlet or outlet of
air flow.
• It may cause product failure.
Use a soft cloth to clean. Do not
use wax, thinner, or a strong
detergent.
• The appearance of the air conditioner
may deteriorate, change color, or
develop surface flaws.
Do not step on the indoor/outdoor
unit and do not put anything on it.
• It may cause an injury through dropping
of the unit or falling down.
Always insert the filter securely.
Clean it every two weeks.
• Operation without filters will cause
failure.
Do not drink water drained from
the air conditioner.
• It contains every contaminant
condensed from the air and could cause
health issues.
Before Operation
Owner’s Manual 7
ENGLISH
Before Operation
1. Contact an installation specialist for installation.
This is NOT a do-it-yourself project.
2. Plug in the power plug properly.
3. Use a dedicated circuit.
4. Do not use an extension cord. Consult a professional installer or electrician.
5. Do not start/stop operation by plugging/unplugging the power cord.
6. If the cord/plug is damaged, replace it with only an authorized replacement
part.
1. Being exposed to direct airflow for an extended period of time could be
hazardous to your health. Do not expose occupants, pets, or plants to direct
airflow for extended periods of time. In other words, don't sit in the draft.
2. Due to the possibility of oxygen deficiency, ventilate the room when used
together with stoves or other heating devices.
3. Do not use this air conditioner for non-specified special purposes (e.g.
preserving precision devices, food, pets, plants, and art objects). Such usage
could damage the items.
1. Do not touch the metal parts of the unit when removing the filter. Injuries can
occur when handling sharp metal edges.
2. Do not use water to clean inside the air conditioner. Exposure to water can
destroy the insulation, leading to possible electric shock.
3. When cleaning the unit, first make sure that the power and breaker are turned
off. The fan rotates at a very high speed during operation. There is a
possibility of injury if the unit’s power is accidentally triggered on while
cleaning inner parts of the unit.
For repair and maintenance, contact your authorized service dealer.
Preparing for Operation
Usage
Cleaning and Maintenance
Service
8 Room Air Conditioner
Introduction
This symbol alerts you to the risk of electric shock.
This symbol alerts you to hazards that could cause harm to
the air conditioner.
This symbol indicates special notes.
NOTICE
This appliance should be installed in accordance with the National Electric Code.
Expanded Metal Grille Should be applied for better performance in PTAC and PTHP Units.
For Installation purpose and better appearance Aluminium or Architectural grille can be applied in
PTAC and PTHP Units.
Introduction
Symbols Used in this Manual
Features
IN
D
O
O
R
REAR GRILLE
(Aluminum Rear Grille)
EXPANDED METAL GRILLE
(For Superior Performance)
LG PTAC and PTHP test condition
is recommended with expanded
metal grille
SLEEVE ASSEMBLY
(Including Aluminum Rear Grille)
THE SLEEVE AND THE REAR GRILLE
(Available as an option)
VERTICAL AIR DEFLECTOR
(Horizontal Louver)
AIR FILTER
INLET GRILLE
(Air Intake)
Electrical Safety
Owner’s Manual 9
ENGLISH
Electrical Safety
Electrical Data
115V~ 230V~ 265V~
Power cord may include a current
interrupter device. A test and reset
button is provided on the plug case. The
device should be tested on a periodic
basis by first pressing the TEST button
and then the RESET button. If the TEST
button does not trip or if the RESET
button will not stay engaged,
discontinue use of the air conditioner
and contact a qualified service
technician.
Use Wall Receptacle Power Supply
Standard 208/230V, 3-wire
grounding receptacle rated 15A
Standard 208/230V, 3-wire
grounding receptacle rated 20A
Standard 208/230V, 3-wire
grounding receptacle rated 30A
Standard 265V grounding
receptacle rated 20A
Standard 265V grounding
receptacle rated 30A
Use 15 AMP. time
delay fuse or 15 AMP.
Circuit breaker.
Use 20 AMP. time
delay fuse or 20 AMP.
Circuit breaker.
(2500W Heater 15AMP.
Circuit Breaker)
Use 30 AMP. time
delay fuse or 30 AMP.
Circuit breaker.
Use 20 AMP. time
delay fuse or 20 AMP.
Circuit breaker.
Use 30 AMP. time
delay fuse or 30 AMP.
Circuit breaker.
Never push the test button during
operation
Otherwise this plug can damaged.
This device contains chemicals, including
lead, known to the State of California to
cause cancer, birth defects, or other
reproductive harm.
Wash hands after handling.
Do not remove, modify, or immerse this plug.
If this device trips, the cause should be
corrected before further use.
The conductors inside this cord are
surrounded by shields, which monitor
leakage current.
These shields are not grounded.
Periodically examine the cord for any
damage. Do not use this product in the
event the shields become exposed.
Avoid shock hazard! This unit cannot
be serviced. Opening the tamper-
resistant, sealed portion of the unit
voids all warranties and performance
claims. This unit is not intended to be
an ON/OFF switch.
The shape may be different according to its model.
NOTICE
DO NOT USE AN EXTENSION CORD on 230,
208, and 208/230, 265 Volt units.
All wiring should be made in accordance with local
electrical codes and regulations.
Aluminum house wiring may pose special
problems. Consult a qualified electrician.
NOTICE
10 Room Air Conditioner
Electrical Safety
IMPORTANT
(PLEASE READ CAREFULLY)
FOR THE USER'S PERSONAL SAFETY, THIS
APPLIANCE MUST BE PROPERLY GROUNDED
The power cord of this appliance is equipped with a
three-prong (grounding) plug. Use this with a standard
three-slot (grounding) wall power outlet to minimize the
hazard of electric shock. The customer should have
the wall receptacle and circuit checked by a qualified
electrician to make sure the receptacle is properly
grounded.
DO NOT CUT OR REMOVE THE THIRD (GROUND)
PRONG FROM THE POWER PLUG.
A. SITUATIONS WHEN THE APPLIANCE WILL BE
DISCONNECTED OCCASIONALLY
Because of potential safety hazards, we strongly
discourage the use of an adapter plug. However, if you
wish to use an adapter, a TEMPORARY
CONNECTION may be made. Use UL-listed adapter,
available from most local hardware stores.
The large slot in the adapter must be aligned with the
large slot in the receptacle to assure a proper polarity
connection.
Attaching the adapter ground terminal to the wall
receptacle cover screw does not ground the
appliance unless the cover screw is metal, and not
insulated, and the wall receptacle is grounded
through the house wiring. The customer should have
the circuit checked by a qualified electrician to make
sure the receptacle is properly grounded.
Disconnect the power cord from the adapter, using
one hand on each. Otherwise, the adapter ground
terminal might break. DO NOT USE the appliance with
a broken adapter plug.
B. SITUATIONS WHEN THE APPLIANCE WILL BE
DISCONNECTED OFTEN
Do not use an adapter plug in these situations.
Unplugging the power cord frequently can lead to an
eventual breakage of the ground terminal. The wall
power outlet should be replaced by a three-slot
(grounding) outlet instead.
USE OF EXTENSION CORDS
Because of potential safety hazards, we strongly
discourage the use of an extension cord. However, if
you wish to use an extension cord, use a CSA
certified/UL-listed 3-wire (grounding) extension cord.
Electrical Safety
Owner’s Manual 11
ENGLISH
Installation
How to Install the Unit
Installation
406 mm
(16")
406 mm
(16")
1,066 mm
(42")
1066 mm
(42")
318 mm
(12
1
/
2
")
318 mm
(12
1
/
2
")
505 mm
(20")
Over 20"
HEAT
RADIATION
WALL
WALL
INSULATION SLEEVE
INTAKE
AIR
COOLED
AIR
1/4" Bubble
of the level
Front
Insulation Strip
Rear
Sleeve
280 mm
(11")
Insulation
Joint Gap
• There are sharp edges that can cause serious cuts.
• If the unit is to be installed close to the seaside, it needs
additional treatment on the heat exchanger.
• When lifting the air conditioner, it is HEAVY.
Use 2 people to lift.
For existing sleeve, you should measure the wall sleeve
dimensions.
You can install the new air conditioner according to these
installation instructions to achieve the best performence. All
wall sleeves used to mount the new air conditioner must be
in good structural condition and have the 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" of the back that would interfere with heat
radiation and exhaust air flow.
• Before installation, Check the insulation on the inner side
of the sleeve. If there is no insulation, place the insulation.
• Check the bottom corner's joint gap of the sleeve, If there
is, fill the gap with putty.
To maintain the best
performance of the LG PTAC,
an insulation strip must be
attached. The insulation strip
is provided with the box.
Refer to the diagram below.
1) Take out the insulation strip from the upper packing.
2) Attach the insulation strip onto the rear upper side of the
wall sleeve.
3) If anyone would like to improve unit energy efficiency, it
is recommended the change of outside grille for an unit
protection and an addition of a plastic rear grille. (This is
optional.)
NOTICE
Dimension of air conditioner
Dimension of sleeve assembly (optional)
12 Room Air Conditioner
Installation
• UNIT INSTALLATION
1. Remove the shipping screw from the ventilation door.
2. Remove the front gille by pulling it out at the bottom
to release it, then lift it up along the unit top front.
3. Slide the unit into the wall sleeve and secure with
6 screws through the unit flange holes.
4. Reinstall the front grille by hooking the top over the
unit top, then pushing it in at the bottom.
Control Locations
Owner’s Manual 13
ENGLISH
Control Locations
Manual Controls
TEMPERATURE CONTROL
Set the Thermostat control to the desired
temperature mark 5 (the mid-point is a good
starting position). If the room temperature is not
satisfactory after a reasonable time, adjust the
control to a cooler or warmer setting, as
appropriate.
OPERATION MODE SELECTOR
OFF Turns air conditioner off.
LOW FAN Low speed fan operation without cooling.
HIGH FAN High speed fan operation without cooling.
LOW COOL Cooling with the low speed fan operation.
HIGH COOL Cooling with the high speed fan
operation.
LOW HEAT Heating with the low speed fan operation.
HIGH HEAT Heating with the high speed fan
operation.
• VENTILATION
The ventilation lever is located to the lower left side
of the unit.
The ventilation lever must be in the CLOSE position in
order to maintain the best cooling conditions.
When fresh air is necessary in the room, set the
ventilation lever to the OPEN position.
The damper is opened and outdoor air is drawn
into the room.
This will reduce the cooling or heating efficiency.
When the air conditioner has been running and is
turned off or set to the fan position, wait at least 3
minutes before resetting to the cooling operation.
Note:
A slight heat odor may come from the unit
when first switching to HEAT after the
cooling season is over.
This odor, caused by fine dust particles on
the heater, will disappear quickly.
This is harmless.
VENT
OPEN
VENT
CLOSE
14 Room Air Conditioner
Control Locations
Electronic Controls
The controls will look like one of the following.
TEMP
MODE
HEAT
E/SAVE
FANFAN
COOLCOOL
HIGHHIGH
LOWLOW TIMERTIMER
FAN TIMER
'
F
ON
OFF
ON
OFF
POWER
MODE
-
Push this button to cycle through the modes from COOL → FAN
→ HEAT→ COOL.
- COOL
• Fan runs continually for normal cooling operation.
- ENERGY SAVER
• The fan stops when the compressor stops cooling.
Approximately every 3 minutes the fan will turn on and the unit
will check the room air temperature to determine if cooling is
needed.
- FAN
• Fan operation without heating or cooling.
- HEAT
• Fan runs continually for normal heating operation.
TIMER
- SHUT-OFF TIME
• You will usually use shut-off time while you sleep.
• If unit is running, use Timer to set number of hours until shut-off.
• For your sleeping comfort, once Time is set, the Temperature setting will raise 2° F(1°C) after 30 minutes, and once
again after another 30 minutes.
• Push Timer to cycle through the settings from 1 Hour → 2 Hours → ... → 12 Hours maximum.
TEMPERATURE SETTING
• Use this button to automatically control the
temperature of the room.
The temperature can be set within a range of
54° F(12°C) to 86° F(30°C) by increments
of 2° F(1°C).
• The setting appears in the display.
FAN SPEED
• Every time you push this button, it cycles through the settings as follows:
{High(F2) → Low(F1) → High(F2) → Low(F1)}
• To turn the air conditioner ON, push this button.
To turn the air conditioner OFF, push the button
again.
• This button takes priority over any other button.
Control Locations
Owner’s Manual 15
ENGLISH
Self-Diagnosis
FUNCTION:
If the unit has a malfunction, a green OPERATION LED located on the Display PCB used by the unit to
indicate the errors.
USE:
If the customer has to register a complaint to the service center, he can be very clear about registering
the complaint that what is happening & by referring the user's manual the customer can clearly define
the problem.
So that the engineer should go fully prepared with the prescribed tools to be used regarding that
problem. It also keeps the customer aware about the unit.
Here are some of the problems defined below for which the LED indicates by flashing number of times
the error has been recorded against it.
The errors are the mentioned which is as follows:
• Electrical Controls
ON Normal
OFF No power / failed board
Fault Codes
CH 01 Indoor Air Thermistor Error
CH 02 Indoor Coil Thermistor Error
CH 03 Outdoor Air Thermistor Error (PTHP Only)
CH 04 Outdoor Coil Thermistor Error (PTHP Only)
CH 05 Mode Error
CH 06 Set point Error
CH 07 Bad Thermistor Wiring
CH 09 Pressure Switch Error
• Manual Controls
ON Normal
OFF No power / failed board
Fault Codes
1 Indoor Air Thermistor Error
2 Indoor Coil Thermistor Error
3 Outdoor Air Thermistor Error (PTHP Only)
4 Outdoor Coil Thermistor Error (PTHP Only)
5 Mode Error
6 Set point Error
7 Bad Thermistor Wiring
LED Flash Rate
0.25 sec On per flash, 0.25 sec OFF between flashes,
2.00 sec OFF between codes.
16 Room Air Conditioner
Control Locations
Additional Controls
• REMOVING THE FRONT GRILLE
Additional controls are available after
removing the front grille and option
cover of control box.
To remove the front grille, pull out the
bottom of front grille and then lift up.
To replace the front grille, place the tabs
over the top of the unit and push the
bottom of front grille until the clips snap
into place.
• ADDITIONAL CONTROLS
The additional controls are located behind the option cover of control box. The standard settings will be in
the OFF position. The authorized servicer has to check switches and ensure the switches are in the desired
position.
• TEMPERATURE LIMITING
Temperature Limiting can save money by limiting the lowest temperature for cooling and the highest
temperature for heating. The temperature limiting is controlled by switches #3 - #5.
This temperature limiting is not available with the Remote Wall Thermostat.
LOCAL
1
OFF
2
OFF
3
OFF
4
OFF
5
LOCAL
1
OFF
2
OFF
3
OFF
4
OFF
5
LOCAL
1
OFF
2
OFF
3
OFF
4
OFF
5
ON
ONREMOTE
OFF
ON ON ON
Remote/Local
Energy Saver
Temperature Limit 1
Temperature Limit 2
Temperature Limit 3
PTAC/PTHP
UNIT TYPE
LOCALLOCAL
1
OFF
OFF
2
OFF
OFF
3
OFF
OFF
4
OFF
OFF
5
LOCAL
1
OFF
2
OFF
3
OFF
4
OFF
5
LOCAL
LOCAL
1
OFF
OFF
2
OFF
OFF
3
OFF
OFF
4
OFF
OFF
5
LOCAL
1
OFF
2
OFF
3
OFF
4
OFF
5
OFF
6
OFF
7
LOCALLOCAL
1
OFF
OFF
2
OFF
OFF
3
OFF
OFF
4
OFF
OFF
5
LOCAL
1
OFF
2
OFF
3
OFF
4
OFF
5
OFF OFF OFF 54° F (12.2° C) 86° F (30.0° C)
86° F (30.0° C)
86° F (30.0° C)
86° F (30.0° C)
86° F (30.0° C)
86° F (30.0° C)
86° F (30.0° C)
86° F (30.0° C)
54° F (12.2° C)
54° F (12.2° C)
54° F (12.2° C)
54° F (12.2° C)
54° F (12.2° C)
54° F (12.2° C)
54° F (12.2° C)
54° F (12.2° C)
86° F (30.0° C)
ON OFF OFF 56° F (13.3° C)
84° F (28.9° C)
OFF ON OFF 58° F (14.4° C)
82° F (27.8° C)
ON ON OFF 60° F (15.5° C)
80° F (26.7° C)
OFF
OFF ON 62° F (16.6° C)
78° F (25.5° C)
ON OFF ON 64° F (17.7° C)
76° F (24.4° C)
OFF ON ON 66° F (18.9° C) 74° F (23.3° C)
ON ON ON 68° F (20.0° C)
72° F (22.2° C)
Temperature Temperature Temperature
Limit 1 Limit 2 Limit 3
#3 #4 #5
Lowest Temp. Highest Temp. Lowest Temp. Highest Temp.
Cooling Operation
Heating Operation
Cooling+Electric Heater+Heat PumpOFFOFF
Cooling+Electric HeaterONOFF
Cooling Only
Heat Pump Only
Unit Type
ON
OFF
#7
ON
ON
#6
Control Locations
Owner’s Manual 17
ENGLISH
• TEMPERATURE LIMITING
Temperature Limiting can save money by limiting the lowest temperature for cooling and the highest
temperature for heating. The temperature limiting is controlled by dip switch #3 - #5.
This temperature limiting is not available with the Remote Wall Thermostat.
OFF OFF OFF 54°F (12.2°C) 86°F (30.0°C) 54°F (12.2°C) 86°F (30.0°C)
ON OFF OFF 56°F (13.3°C) 86°F (30.0°C) 54°F (12.2°C) 84°F (28.9°C)
OFF ON OFF 58°F (14.4°C) 86°F (30.0°C) 54°F (12.2°C) 82°F (27.8°C)
ON ON OFF 60°F (15.5°C) 86°F (30.0°C) 54°F (12.2°C) 80°F (26.7°C)
OFF OFF ON 62°F (16.6°C) 86°F (30.0°C) 54°F (12.2°C) 78°F (25.5°C)
ON OFF ON 64°F (17.7°C) 86°F (30.0°C) 54°F (12.2°C) 76°F (24.4°C)
OFF ON ON 66°F (18.9°C) 86°F (30.0°C) 54°F (12.2°C) 74°F (23.3°C)
ON ON ON 68°F (20.0°C) 86°F (30.0°C) 54°F (12.2°C) 72°F (22.2°C)
#3 #4 #5
Temperature Temperature Temperature
Limit #1 Limit #2 Limit #3
Lowest Temp. Highest Temp. Lowest Temp. Highest Temp.
Cooling Operation Heating Operation
• REMOVING THE FRONT GRILLE
Additional controls are available after removing the
front grille and option cover of control box.
To remove the front grille, pull out the bottom of front
grille and then lift up.
To replace the front grille, place the tabs over the top
of the unit and push the bottom of front grille until the
clips snap into place.
• ADDITIONAL CONTROLS
The additional controls are located behind the option cover of control box. The standard settings will be in
the OFF position. The authorized service man has to check switches and ensure the switches are in the
desired position.
LOCAL
1
OFF
2
OFF
3
OFF
4
OFF
5
LOCAL
1
OFF
2
OFF
3
OFF
4
OFF
5
ON
ONREMOTE
OFF
ON ON ON
Remote/Local
Energy Saver
Temperature Limit 1
Temperature Limit 2
Temperature Limit 3
LOCAL
1
OFF
2
OFF
3
OFF
4
OFF
5
LOCAL
1
OFF
2
OFF
3
OFF
4
OFF
5
LOCAL
1
OFF
2
OFF
3
OFF
4
OFF
5
LOCAL
1
OFF
2
OFF
3
OFF
4
OFF
5
18 Room Air Conditioner
Control Locations
• REMOTE/LOCAL CONTROL
When remote/local switch #1 is on, it allow the unit to operate by the Remote Wall Thermostat.
The unit control by knobs are not available.
• ENERGY SAVER
The energy saver switch #2 is on. This switch is set at cycle fan to provide continuous fan operation in cool
or heat modes. When the switch is off the continuous fan allows continuous circulation of room air and
make the more balanced temperature of the room. When the switch is on, the fan is on or off with the
compressor or with the heater.
• FRONT DESK CONTROL
When the pair wire is connected to the connector FD2 and FD1, the unit can be turned ON or OFF with a
switch located at the Front Desk Control panel. When the front desk switch is ON, the fan operates according
to the setting without working compressor and heater. When the front desk switch is OFF, the unit can
operate according to the setting of controls.
• REMOTE WALL THERMOSTAT
When the wires are connected, the unit will be controlled
by a remote wall thermostat.
The thermostat connections supply the 24 Volt AC. When
you install the digital/electronic thermostat, you must set it
to 24 Volt AC. See the installation Instruction in this manual
for the Remote Wall Thermostat.
Wiring Schematic for
Remote Heat Pump
Wiring Schematic for
Straight Cool Unit.
Note: The following figures show wiring
schematics for heat pump and straight cool
units with electric heat, respectively.
GL GH O W Y R C
Low Fan
High Fan
Reversing Valve
Heater
Compressor
24 Volt-L
24 Volt-N
Wire # AWG Maximum Length
#22 600 ft (180 m)
#20
900 ft (270 m)
#18 1500 ft (450 m)
#16
2000 ft (610 m)
FD2 FD1 DR2 DR1 MS2 MS1
Front Desk Control
Front Desk Control
Door Switch
Door Switch
Motion Sensor
Motion Sensor
(Molex Housing Spec 396-06V)
(Molex Housing Spec 396-07V)
Control Locations
Owner’s Manual 19
ENGLISH
(Molex Housing Spec 396-09V)
• FRONT DESK CONTROL
When the pair wire is connected to the connector LOand LI, the unit can be turned ON or OFF with a switch
located at the Front Desk Control panel. When the front desk switch is ON, the fan operate according to the
condition of setting without working compressor and heater. When the front desk switch is OFF, the unit can
operate according to the setting of controls.
• REMOTE WALL THERMOSTAT
When the wires are connected, the unit will be
controlled by a remote wall thermostat.
The thermostat connections supply the 24 Volt AC.
When you install the digital / electronic thermostat,
you must set it to the 24 Volt AC. See the installation
Instruction in this manual for the Remote Wall
Thermostat.
• REMOTE/LOCAL CONTROL
When remote/local switch #1 is on, it allow the unit to operate by the control of Remote Wall Thermostat.
The unit control by knobs are not available.
• ENERGY SAVER
The energy saver switch #2 is on. This switch is set at continuous fan to provide continuous fan operation in
cool or heat modes. When the switch is off the continuous fan allows continuous circulation of room air and
make the more balanced temperature of the room. When the switch is on the fan is on or off with the
compressor or with the heater.
Wire # AWG Maximum Length
#22 600ft(180m)
#20 900ft(270m)
#18 1500ft(450m)
#16 2000ft(610m)
GL GH O W Y R CLO LI
Front Desk Switch
LO LI GL GH O W Y R C
Low Fan
High Fan
Reversing Valve
Heater
Compressor
24 Volt-L
24 Volt-N
Wiring Schematic for
Remote Heat Pump
Wiring Schematic for
Straight Cool Unit.
Note:The following figures show
wiring schematics for heat pump
and straight cool units with electric
heat, respectively.
20 Room Air Conditioner
Control Locations
1. Remove the front grille.
2. To remove the front grille, pull out the bottom of
the front grille and then lift up.
Re-install the component by referring to the
removal procedure.
3. To replace the front grille, place the tabs over
the top of the unit and push the bottom of front
grille until the clips snap into place.
• This Room Air Conditioner (PTAC) discharges
air from the top of the unit through reversible, 2-
position discharge grille louvers. The unit is
shipped from the factory with the discharge grille
louvers at an angle of 40˚ off vertical. In an
alternate position the louvers will be at an angle
of 15˚ off vertical.
To adjust the air direction, remove the front grille.
Remove the 4 screws that fasten the discharge
grille to the front grille.
Flip the discharge grille 180°, then reattach the
discharge grille to the front grille with 4 screws.
Disassembly Instructions
- Before the following disassembly, POWER SWITCH is set to OFF and disconnected the power
cord.
40˚
15˚
Screws
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La page charge ...
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Juniper JCS1200 - S Le manuel du propriétaire
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