OWNER’S MANUAL
AIR CONDITIONER
Please read this manual carefully before operating
your set and retain it for future reference.
P/NO : MFL67086801
www.lg.com
TYPE :
Hydro Kit (For Medium Temperature)
ENGLISH
ITALIANO ESPAÑOL
FRANÇAIS
DEUTSCH
ΕΛΛΗΝΙΚΆ
PORTUGUESE
NEDERLANDS
POLSKI MAGYAR
2 Hydro Kit
Hydro Kit 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.
Installer's Name
Purchased Date
■
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
Hydro Kit
properly. Just a little preventive
care on your part can save you a great deal of time and
money over the life of your product.
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 the authorized service technician for repair or
maintenance of this unit.
• Contact the installer for installation of this unit.
•
Hydro Kit
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
Hydro Kit
.
• When the power cable is to be replaced, replacement
work must 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
Product Introduction ..........................6
Owner's Instruction ............................8
Using Thermostat .............................21
Maintenance and Service.................24
Safety Precaution
Owner’s Manual 3
Hydro Kit
ENGLISH
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.
WARNING
CAUTION
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage.
WARNING
Always ground the product.
•
There is a risk of electric shock.
Do not use a defective or underrated
circuit breaker. Use this appliance on a
dedicated circuit.
•
There is risk of fire or electric shock.
Do not use a multi outlet. Always use
this appliance on a dedicated circuit and
breaker.
•
It can cause electric shock or fire.
For electrical work, contact the dealer, seller,
a qualified electrician, or an Authorized
Service Center. Do not disassemble or repair
the product by yourself.
•
There is risk of fire or electric shock.
Always ground the product as per the
wiring diagram. Do not connect the
ground wire to gas or water pipes
lightening rod or telephone ground wire.
•
There is risk of fire or electric shock.
Install the panel and the cover of control
box securely.
•
There is risk of fire or electric shock
due to dust , water etc.
Use the correctly rated breaker or
fuse.
•
There is risk of fire or electric shock.
Do not modify or extend the power
cable. If the power cable or cord has
scratches or skin peeled off or
deteriorated then it must be replaced.
•
There is risk of fire or electric shock.
For installation, removal or
reinstallation , always contact the
dealer or an Authorized Service
Center.
•
There is risk of fire, electric shock,
explosion, or injury.
Do not install the product on a
defective installation stand. Be sure
that the installation area does not
deteriorate with age.
•
It may cause product to fall.
Never install the outdoor unit on a
moving base or a place from where it
can fall down.
•
The falling outdoor unit can cause
damage or injury or even death of a
person.
When the product is soaked (flooded or
submerged) in water , contact an
Authorized Service Center for repair
before using it again.
•
There is risk of fire or electric shock.
Be sure to check the refrigerant to
be used. Please read the label on the
product.
•
Incorrect refrigerant can prevent the
normal operation of the unit.
Don't use a power cord, a plug or a
loose socket which is damaged.
•
Otherwise it may cause a fire or
electrical shock.
Do not touch , operate, or repair the
product with wet hands.
• T
here is risk of electric shock or fire.
Indoor/outdoor wiring connections must
be secured tightly and the cable should
be routed properly so that there is no
force pulling the cable from the
connection terminals.
•
Improper or loose connections can
cause heat generation or fire.
Safely dispose off the packing materials.
Like screws, nails, batteries, broken
things etc after installation or service
and then tear away and throw away the
plastic packaging bags.
•
Children may play with them and
cause injury.
Make sure to check that the power
device is not dirty, loose or broken and
then Turn on the power.
•
Dirty, loose or broken power device
can cause electric shock or fire.
Do not use the product in a tightly
closed space for a long time. Perform
ventilation regularly.
•
Oxygen deficiency could occur and
hence harm your health.
Do not open the front cover or grille of the
product during operation. (Do not touch the
electrostatic filter, if the unit is so equipped.)
•
There is risk of physical injury, electric
shock, or product failure.
If strange sounds, smell or smoke comes
from product, immediately turn the breaker
off or disconnect the power supply cable.
•
There is risk of electric shock or fire.
Ventilate the product room from time
to time when operating it together with
a stove, or heating element etc.
• Oxygen deficiency can occur and hence
harm your health.
Turn the main power off when
cleaning or repairing the product.
•
There is risk of electric shock.
Take care to ensure that nobody
especially kids could step on or fall
onto the outdoor unit.
• This could result in personal injury and
product damage.
Take care to ensure that power cable
could not be pulled out or damaged
during operation.
•
There is risk of fire or electric shock.
Do not place ANYTHING on the power
cable.
•
There is risk of fire or electric shock.
When flammable gas leaks, turn off the
gas and open a window for ventilation
before turning the product on.
•
Do not use the telephone or turn switches
on or off. There is risk of explosion or fire.
In outdoor unit the step-up capacitor
supplies high voltage electricity to the
electrical components. Be sure to
discharge the capacitor completely
before conducting the repair work.
•
An charged capacitor can cause
electrical shock.
When installing the unit, use the
installation kit provided with the product.
•
Otherwise the unit may fall and cause
severe injury.
Be sure to use only those parts which
are listed in the service parts list. Never
attempt to modify the equipment.
•
The use of inappropriate parts can
cause an electrical shock, excessive
heat generation or fire.
4 Hydro Kit
Safety Precaution
Do not place a heater or other heating
appliances near the power cable.
•
There is risk of fire and electric shock.
Do not allow water to run into electric
parts. Install the unit away from water
sources.
•
There is risk of fire, failure of the
product, or electric shock.
Do not store or use or even allow
flammable gas or combustibles near the
product.
•
There is risk of fire
.
CAUTION
Two or more people must lift and
transport the product.
•
Avoid personal injury.
Do not install the product where it will be
exposed to sea wind (salt spray) directly.
•
It may cause corrosion on the product.
Keep level even when installing the
product.
•
To avoid vibration or noise.
Do not install the product where the
noise or hot air from the outdoor unit
could damage or disturb the
neighborhoods.
•
It may cause a problem for your
neighbors and hence dispute.
Always check for gas (refrigerant)
leakage after installation or repair of
product.
•
Low refrigerant levels may cause failure
of product.
Do not use the product for special
purposes, such as preserving foods,
works of art, etc. It is a consumer Hydro
Kit, not a precision refrigeration system.
•
There is risk of damage or loss of
property.
Do not block the inlet or outlet of air
flow.
•
It may cause product failure.
Use a soft cloth to clean. Do not use
harsh detergents, solvents or splashing
water etc .
•
There is risk of fire, electric shock, or
damage to the plastic parts of the
product.
Do not step on or put anyting on the
product. (outdoor units)
•
There is risk of personal injury and failure
of product.
Do not insert hands or other objects
through the air inlet or outlet while
the product is operating.
•
There are sharp and moving parts that
could cause personal injury.
Be cautious when unpacking and
installing the product.
•
Sharp edges could cause injury.
If the refrigerant gas leaks during the
repair, do not touch the leakaing
refrigerant gas.
•
The refrigernat gas can cause frostbite
(cold burn)
Do not tilt the unit when removing or
uninstalling it.
•
The condensed water inside can spill.
If the refrigerant gas leaks during
the installation, ventilate the area
immediately.
•
Otherwise it can be harmfull for your
health.
Dismantling the unit, treatment of the
refrigerant oil and eventual parts
should be done in accordance with
local and national standards.
Do not expose your skin or kids or
plants to the cool or hot air draft.
•
This could harm to your health.
Use a firm stool or ladder when
cleaning, maintaining or repairing the
product at an height.
•
Be careful and avoid personal injury.
Owner’s Manual 5
Hydro Kit
Safety Precaution
ENGLISH
Product Introduction
Product Introduction
Typical Installation Scene
Water Out
Gas side
Liquid side
Drain
Water In
Use of power supply separate power for the indoor unit. (Do not connect and use from the
power terminal of the outdoor unit.)
CAUTION
6 Hydro Kit
❈ Grey painted functions may not be operated and displayed.
Remote Controller
ZDWHU
ZDWHU
WHPS
WHPS
RSHU
RSHU
KHDWLQJ
KHDWLQJ
PRGH
PRGH
ڸ
ۀ
ڿ
ھ
ڽ
ہ
ڹ
ں
ڻ
ڼ
ۂ
ۃ
ۄ
Owner’s Manual 7
Hydro Kit
Product Introduction
ENGLISH
No Name
1 Display
2 Change Temperature Button
3 Water Heating Enable / Disable Button
4 Power Button
5 Operation Mode Selection Button
6 Silent Mode On / Off Button
7 Temperature Setting Mode Button
8 Temperature View Mode Button
9 Function Setting Button
10 Programming Button
11 Direction Button (Up, Down, Left, Right)
12 Set / Clear button
13 ESC Button
8 Hydro Kit
Owner's instruction
WATER PUMP
This icon indicates that the water pump is active.
AUXILIARY SOLAR THERMAL PUMP
This icon indicates that auxiliary solar thermal pump is active.
NOTE : As installation of auxiliary solar thermal pump is not compulsory but
recommendatory according to field condition, this icon can be seen although no auxiliary
solar thermal pump is installed.
DEFROSTING
This icon indicates that the defrost mode is active.
In space heating operation or sanitary water tank heating operation, freezing of the
outdoor heat exchanger may be occur due to low outdoor temperature and humidity. If
this risk occurs, the product goes into defrost operation. It reverses the cycle and takes
heat from the indoor system to prevent freezing of the outdoor system. This mode is
automatically operating.
MAINTAIN LOWEST TEMPERATURE
The purpose of this mode is maintaining the temperature to prevent damage by freezing of
water pipe.
OUTDOOR
This icon indicates that the outdoor unit is active.
CHILD LOCK
NO FUNCTION
Monitoring Information
Owner's Instruction
Owner's instruction
CENTRAL CONTROLLER
This icon indicates that the product is controlled by the central controller.
THERMOSTAT
This icon indicates connection with thermostat.
SLIGHT TROUBLE
This icon indicates that slight trouble occurs.
HEAVY TROUBLE
This icon indicates that heavy trouble occurs.
Owner’s Manual 9
Hydro Kit
ENGLISH
10 Hydro Kit
Selecting Target Temperature
j Note
: Increase 1°C or 2°F per one time pressing
: Decrease 1°C or 2°F per one time pressing
• We can change the temperature range of each mode on installation setting mode. Please refer
to Function Code 11 to 15.
• Room Temperature setting is available when Remote Room Air Sensor (sold separately) is
installed. Please refer to Function Code 03.
• Sanitary Water Tank temperature setting is available when Sanitary Water Tank is installed.
Owner's instruction
Mode Change
Turn on the product and select operation mode.
Operation Mode
• Cooling Operation - The product yields cool water to use in under floor cooling or FCU cooling.
• Heating Operation - The product yields hot water to use in under floor heating or FCU heating.
• Weather dependent Heating Operation - In this mode, heating setpoint is automatically determined
by pre-defined temperature profile.
1
Press Power Button to turn on the product.
2
Press OPER MODE Button to select each operation mode.
Cooling operation Heating operation Weather dependent
operation
1
Press SET TEMP Button to select each operation mode.
2
Adjust desired temperature by pressing Change Temperature buttons on each mode.
To raise the Temperature
To lower the Temperature
Room temperature Leaving Water
temperature
Sanitary Water Tank
temperature
Owner's instruction
Weather-dependent Operation
This mode is only applied to heating.
In order to save energy and to give highest comfort, setting temperature will follow outside
temperature. If outdoor temperature decreases, heating capacity for the house will increase
automatically in order to keep same room temperature. All parameters will be set by installer during
start-up procedure and will be adapted to the site characteristic.
Ownerʼs Manual 11
Hydro Kit
ENGLISH
1
Press OPER MODE Button to select Weather-dependent operation mode.
2
Adjust the desired temperature level by pressing Change Temperature buttons.
1
Press repeatedly View
Temperature Button to select
each Temperature.
(Whenever press View
Temperature button, the room
temperature will be displayed
during 5 seconds.)
View Temperature
Temperature Temperature Range Displayed as
below 11°C(51°F) Lo
Air 11°C(51°F) ~ 39°C(102°F) actual temperature
above 39°C(102°F) Hi
below 0°C(32°F) [*below 40°C(104°F) ] Lo
Water
0°C(32°F) ~ 92°C(197°F) [*40°C(104°F) ~ 120°C(248°F) ]
actual temperature
above 92°C(197°F) [*above 120°C(248°F) ]
Hi
[* : Solar Thermal Temperature]
: Weather Dependent
operation icon
Ex)
Decreasing temperature profile by 3°C
(based on room air temperature)
<Temperature adjust step (unit : °C)>
-5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5
: View Room Temperature
: View Inlet Temperature
: View Outlet Temperature
:
View Sanitary Water Temperature
(ONLY displayed when sanitary
water heating mode)
:
View Solar Thermal Temperature
(ONLY displayed when sanitary
water heating mode)
Hot
Cold
This function is to prevent children or other people from using controller.
Child Lock
12 Hydro Kit
Owner's instruction
1
Press Function Setting Button to enter
user setting mode. (The segment will be flashed)
2
Press set/clear button to finish the selection.
The segment will disappear.
4
To release this setting, press function Setting
button until icon flashes and then enter
setting/clear button.
3
During Child Lock, icon and 'CL' will be
displayed during 3 seconds whenever entering
any kind of buttons except for view temperature
button and setting/clear button.
Owner's instruction
Owner’s Manual 13
Hydro Kit
ENGLISH
<Display>
<Display>
<Display>
When the error is occurs on indoor unit, the error code will be displayed on remote controller.
Slight trouble
A problem is found inside the indoor unit. In most case, this trouble is concerned with
sensor problems. In this case, Hydro Kit can operate in an emergency mode
(only Heating operation).
Heavy trouble
A problem is found inside the outdoor unit.
Critical error
On critical error, the product will stop unconditionally.
At this time, CH' and error code No. keep display by turns.
Error code display
You can set current time.
Setting Current Time
1
Keep pressing programming button twice successively to enter setting
current time mode.
2
Press left, right button to adjust the
current day.
3
Press down button to move to AM/PM
part and adjust it. (The AM/PM segment
will be flashed)
4
Press right button to move to "Hour"
part. (the "Hour" segment will be
flashed)
6
Press right button to move to "Minute"
part. (the "Minute" segment will be
flashed)
7
Press up, down button to adjust the
Minute.
8
If you finish the setting, press set/clear
button.
9
Press exit button to exit or system will automatically release without any
input 25 seconds.
5
Press up, down button to adjust the
Hour.
Owner's instruction
14 Hydro Kit
Owner's instruction
Owner’s Manual 15
Hydro Kit
ENGLISH
Programming : Setting Simple Reservation
You can easily turn-on reservation.(ONLY enable when unit is stand-by.)
1
Press programming button to enter the
Programming mode. (the segment will be
flashed)
2
Press up, down button to adjust the
reservation time.
3
If you finish the setting, press setting/cancel button to complete
programming
4
Press exit button to exit or system will automatically release without any
input after 25 seconds.
1
Press programming button to enter the
Programming mode. Press Programming
button repeatedly to select [sleep
reservation]. (the segment flashing)
2
Press up, down button to adjust the
reservation time.
3
If you finish the setting, press setting/cancel button to complete
programming.
4
Press exit button to exit or system will automatically release without any
input after 25 seconds.
Programming : Setting Sleep Reservation
You can easily turn-off(sleep) reservation.(ONLY enable when unit is operating.)
Programming : Setting ON Reservation
This function is able to turn-on after a setting time.
1
Press programming button to enter the
Programming mode. Press Programming
button repeatedly to select [on reservation].
(the segment flashing)
2
Press up, down button to adjust AM/PM.
3
Press right button to move to "Hour"
part. (the "Hour" segment will be
flashed)
4
Press up, down button to adjust the
Hour.
6
Press up, down button to adjust the
Minute.
7
If you finish the setting, press setting/cancel button to complete
programming.
8
Press exit button to exit or system will automatically release
without any input after 25 seconds.
5
Press right button to move "Minute" part.
(the "Minute" segment will be flashed)
Owner's instruction
16 Hydro Kit
Owner's instruction
Programming : Setting OFF Reservation
This function is able to turn-off after a setting time.
1
Press programming button to enter the
Programming mode. Press Programming
button repeatedly to select [off reservation].
(the segment flashing)
2
Press up, down button to adjust AM/PM.
3
Press right button to move to "Hour"
part. (the "Hour" segment will be
flashed)
4
Press up, down button to adjust the
Hour.
6
Press up, down button to adjust the
Minute.
7
If you finish the setting, press setting/cancel button to complete
programming.
8
Press exit button to exit or system will automatically release
without any input after 25 seconds.
5
Press right button to move to "Minute"
part. (the "Minute" segment will be
flashed)
Owner’s Manual 17
Hydro Kit
ENGLISH
Programming : Weekly Reservation
The weekly reservation is active after setting current time.
1
Press programming button to enter the
Programming mode. Press Programming
button repeatedly to select [Weekly
reservation]. (the segment flashing)
2
Press left, right button to adjust the
current day.
3
Press up, down button to adjust the
action number.
4
Press right button to move to "Hour"
part on ON Time section.
(The "Hour" segment will be flashed)
6
Press right button to move to "Minute"
part on Start Time section.
(The "Minute" segment will be flashed)
7
Press up, down button to adjust the
Minute on Start Time section.
8
Press right button to move to "Hour" part
on OFF Time section.
(The "Hour" segment will be flashed)
5
Press up, down button to adjust the
Hour on Start Time section.
Start Time Section
Off Time Section
Owner's instruction
18 Hydro Kit
Owner's instruction
Action
Start Time
From
To
Off Time
9
Please refer to the process from No.5 to
No.7 for setting OFF Time. It is the same
method.
10
If you finish the setting, press
setting/cancel button to complete
programming. The under bar
segment will be created, when
finished.
11
Please refer to the process from
No.2 to No.10 for setting other day
weekly program. It is the same
method.
12
Press exit button to exit or system will automatically
release without any input after 25 seconds.
Owner’s Manual 19
Hydro Kit
ENGLISH
<Note>
Description of weekly reservation
<Start Time Section> <Off Time Section>
<Start Time Section> <Off Time Section>
❈ Two actions per weekday can be programmed, in total 14 actions
20 Hydro Kit
Programming : Holiday Reservation
This function is to automatically stop the machine working on some days.
1
Press programming button to enter the
Programming mode. Press Programming
button repeatedly to select [Holiday
reservation]. (the segment flashing)
2
Press left, right button to adjust the
holiday.
3
When you press set/clear button after
finishing the selection, the day selected
will disappear.
4
Press exit button to exit or system will automatically release without any input
after 25 seconds.
Owner's instruction
Strona się ładuje...
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