INVENTOR V2MCRI-12 User manual

Models: V2MCRI-12 / U2MRS-12
V2MCRI-18 / U2MRS-18
LV2MCI-12
Cassette Unit

1. -------------------------------------------------------------------------------1
2.Note Before
3.
4.
5.
6.
7.
8.Abnomal Phenomenon
Safety Precaution
Operation
Caution
Parts Identification
Operation
Adjustment Air Flow Direction
Maintenance
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CONTENTS
If used as MULTI unit, please refer to the Installation & operation manuals packed with
outdoor unit.

1
!
INSTALLATION WARNING
Installation
commitment
Users can t install the units by themselves, or the water leakage,
electrical shock or fire may be caused..
WARNING
Humidifier and other accessories must be specified, otherwise
the water leakage, electrical shock or fire may be caused. Please
entrust the professional person to do the installation.
Take measure to prevent
the refrigerant leakage from
the asphyxial accident.
When installing in a small room, actions should be taken in
case the thickness of refrigerant exceeding proper range.
Otherwise, it will cause people asphyxia.
Please contact the dealer to avoid the asphyxial accident.
Ensure grounding correctly.
Please entrust the dealer or the professional person to do the
installation.
Please use the
specified product.
Accessories must be specified
Defective grounding may cause electrical shock.
Grounding
!
!
Markers Icons
Icons Indication
The sign shows the risk of
death or serious injury will
be caused due to the wrong
operation .
The sign shows the risk of
injury or the damage to the
property will be caused due
to the wrong operation.
Please thoroughly read this manual to operate the air-conditioner correctly and safety to prevent
the damage of the property and the personal hurt.
Before you come to the text, please be familiar with the following markers and icons, and
comply with the precautions.
WARNING
CAUTION
Followed by the detailed illustration
Followed by the detailed illustration
SAFETY PRECAUTION
ENFORCE
FORBID
Indication
1. Injury means causing from the harm, burn and electrical shock , but not serious for the
hospitalization.
2. The damage of material means the disrepair of property and material.
NOTE :
Markers

Moving warning
Please entrust the dealer or professional person to move and reinstall
the air-conditioner.
Incorrect installation will cause water leakage, electrical shock or fire.
Do not maintain the unit by yourself.
Incorrect maintenance will cause water leakage, electrical shock or fire.
Forbid
Forbid
Forbid
Installation caution
Ensure if the drain pipe can drain the water well.
Incorrect installation will cause water leakage and humidify the furniture.
Ensure the installation of creepage protection switch.
The creepage protection switch must be installed. Otherwise, the
electric shock will be caused.
Never install the air-conditioner in the place where the flammable
gas is easy to leak.
If the leakage of flammable gas happens, the fire will be caused around
the indoor unit.
Ensure the drainage.
Ensure the creepage
protection switch.
Ensure the installation
place.
User caution
Ventilation should be operated regularly when using with the
flammable appliance.
Insufficient ventilation will cause the lack of oxygen.
Do not put the flammable appliance near the air outlet.
It will cause the flammable appliance burn incompletely.
Ventilate
Ensure the installation
bracket.
Ensure whether the installation bracket has been worn out after
being used for a long time.
In the case of abrasion to put the unit on the bracket will cause the
unit falling and cause people injured.
2
Using warning
Do not face the cool wind for a long time.
Too low temp.will do harm to the health.
Never put hands or objects into the air conditioner.
The fan with the high speed will cause serious injury.
In any abnormal cases, stop the operation, turn off the power and
consult the dealer.
In the abnormal cases, if keeping on the operation ,the fire and electrical
shock will be caused.
Forbid
Forbid
Turn off the
power.
!WARNING

User caution
Turn off the power
Do not wash the air conditioner with water.
Electric shock will be caused.
Do not put animal or plant near the air outlet.
It is harm to the animal and plant.
Do not put the flammable sprayer near the air conditioner or
spray the air conditioner directly.
The fire will be caused.
Do not put the container with water on the air conditioner.
Immersion of water will reduce the ability of insulation and the electric
shock will be caused.
Do not operate the switch with wet hand.
The electric shock will be caused.
The air conditioner can not be used to conserve food, plant, precision
instrument and artworks etc..
It will get the quality worse.
Disconnect the power and stop the operation when repairing.
The fan with high speed will cause injury.
Do not use the fuse whose capacity exceeds the defined value.
Using the iron wire or brass wire as fuse can cause the fire and malfunction.
The power must use the specified circuit under the rated voltage.
Use the right fuse
Note Before Operation
Confirm Before Operation
Make sure that the ground wire is not broken or fallen off.
Make sure the air filter is installed.
Turn on the power switch for 12 hours before the operation.
About Heating Capacity
Heating is that the outdoor unit absorbs the outdoor heat then transmit the heat to the indoor unit.
When the heating pump starts, the outdoor unit blows the cold air and the outdoor temp. fall.
Defrosting during the Heating Operation
Under the heating mode ,when frost generating on the outdoor unit the air conditioner starts
defrosting automatically. (About 2~10minutes)
Indoor/Outdoor fan stops the running during the defrosting.
About 3 Minutes Protection
The outdoor unit would not run within 3 minutes during restarting. This is self-protection of the
unit.
3
Forbid
Forbid
Forbid
Forbid
Forbid
Forbid

About Power Off
All the operations will stop if there is a power off.
The buzzer of the display will make a sound and the operation indicator will flash when the power is
on after a failure.
Press ON/OFF button to restart the unit.
About Protection Device
when starting the unit compulsorily while the unit does not prepare for the starting, the on/off indicator lights,
the protection device is activated and the unit stops.
When the Protection Device is Activated
Cooling Operation
The air Intake and the air outlet of the outdoor unit are blocked.
Strong wind outside is blowing into the air outlet of the outdoor unit.
Heating Operation
The air filter is too dirty.
The air intake and the air outlet of the indoor unit are blocked.
Fan Runs after the Indoor Unit Stopped
To protect the machine, one of the indoor units, which stops the running while the other indoor units are still
running, will run its fan at low speed for 3 minutes every 1 hour on cooling operation or every 4 hours on heating
operation.
CAUTION
Confirm the air filter is installed. The heat exchanger would accumulate dust or leak water
without the air filter.
One indoor unit can run alone, or run with other indoor units, but can not run under heating
mode while others run under cooling mode.
4
When the outdoor temp. is low the heating capacity drop, please use the air- conditioner with other
heating equipments or purchase the digital scroll central air-conditioner auxiliary heating device.
Heating Capacity Drop
This appliance can be used by children aged from 8 years and above and
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.
Children shall not play with the appliance. Cleaning and user maintenance shall
not be made by children without 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 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 a hazard.
Do not operate your air conditioner in a wet room such as a bathroom or laundry room.

CAUTION
Do not disconnect the power.
Connect to the power 12 hours before
starting the unit
One of the indoor units can not run on
the cooling mode while the other indoor
units run on the heating mode.
Place it away from TV or radio.
12 hours before
Put the louver horizontally when
cooling.
Do not disconnect
the power.
Do not disconnect the power when the unit
is in operation. Please control it with the
remote controller.
To protect the compressor, please turn on
the power switch 12 hours before starting
the unit.
Please run every indoor unit on the same mode.
Put the TV or radio away from the air
conditioner at least 1 meter, or signal will
be interfered.
There will be water condensing on the louvers if
setting the louvers down when cooling.
(Cassette type only)
5

Parts Identification
Four-Way Cassette Type
Grounding Screw (In the control box)
Air Out Louver (Adjustable)
Lock buckle (For closing the Air Grille)
Air Intake (Intake air from here)
Air Filter (Filter the dust in the intake air)
Two-direction or Three-direction Air Outlet
For the detailed information please consult
your local dealer.
6
Ceiling-Floor Type
Air Outlet Horizontal Louver
Air Intake
(Intake room air here)
Air Filter
(Filter the dust in the air)

Duct/Ceiling Type
Grounding Screw
(In the control box)
Air Filter
(Filter the dust in the air)
Air Intake
(Intake room air here)
Lock Buckle
(For closing the air intake grille)
Air Outlet
(Connect the duct)
7
(Thin) Duct/Ceiling Type
Indoor unit
Electric control box
Air Intake
(Intake room air here)
Heat Exchanger
(Exchange cool air into warm air)
Air Outlet
(Outlet room air)

o
26~28 C
o
22~24 C
!
Operation
Please note the following correct operation for saving energy and achieve the quick and comfortable
cooling/heating effects.
Clean the air filter regularly Do not overcool or overheat
Do not expose you to the cool wind
for a long time. Over-cool is harm to
your health.
WARNING
Prohibit
Check
regularly
Do not
overcool
The blocked air filter will reduce cooling/heating
effects.
Especially for the handicapped, children or old.
Cooling
Suggested Temperature
Heating
Close the door/window
Close the door/window
Do not let the heat/cool air leak from the door/
widow.
Adjust the air-out direction with using the air-out
louver.
To maintain the comfortable temperature
8