INVENTOR R2FO-50 User manual

• USER’S MANUAL
• ΕΓΧΕΙΡΙΔΙΟ ΧΡΗΣΗΣ
• MANUAL DE UTILIZARE
ENGLISH | ΕΛΛΗΝΙΚΑ
AIR CONDITIONING SYSTEMS
MODELS:
R2FI-50/R2FO-50
FLOOR STANDING

Contents
Notices for Use .................................................................4
Names of Each Part of the Unit ............................................6
Operation of Remote Controller...........................................12
Use and Maintenance
Clean and Care ...............................................................20
Troubleshooting ...............................................................22
Installation Dimension Diagram ...........................................28
Installation of Indoor Unit ....................................................30
Installation of Outdoor Unit .................................................34
Test Operation and Check after Installation............................36
Installation Service
Cautions for Operation ........................................................1
Notes for Installation .........................................................25
Adjustment of Swing .........................................................17
Instruction to Special Functions ...........................................19
The symbol stands for the items
which should be forbidden
The pictures about the unit in this Instruction may be different from the actual
ones.Please be subject to the actual one.
The symbol stands for the items
which should be followed
Name and Function of Each Button of Air Conditioner................8
Do not dispose this product as unsorted municipal waste.
Collection of such waste separately for special treatment
is necessary.
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.

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★
★
Please read the following carefully before operating.
WARNING
Once abnormality like burning
smell occurs,please cut off the power
supplyimmediatelyandthencontact
maybe damagedand electricshock
with service center .
If the abnormality still exists, the unit
or fire may result.
Don't operate the air conditioner
with wet hand. Never cut off or damage power
cord and signal wire. If they are
damaged,replace them with special
cord by professionals.
Special circuit must be adopted
for power supply to prevent fire. Be sure to pull out the power
plug when the air conditioner is not
in use for a long time.
Otherwise, the accumulated dust
may cause overheating or fire.
Never damage the electric wire
or use the one which is not specified.
Otherwise,itmaycauseoverheating
or fire.
During cleaning, please cut off
the power supply.
Cut off power supply
Otherwise, it may cause electric
shock or damage.
The power supply must adopt
special circuit with protection of air
switch and enough capacity.Do not
turn on or off the unit frequently to
Cautions for Operation
protecttheairconditioner.
Thepowersupplyand voltage
shouldkeepstable.Electriccompon-
Do not use octopus multipurpose
plug or mobile terminal board for
wire connection.
entsareeasytobedamagedforhigh
voltage.Refrigerationsystemwillbe
damaged and compressor and electric
componentswon'toperateifvoltage
is too low.
1
Otherwise, it may cause electric shock.

2
Don't make windows and doors open
riaehtfonoitarepognirudemitgnolarof
conditioner.
Keep pressurized spray,gas holder
and so on away from the indoor unit
It may cause fire or explosion.
Don't step on the top of the outdoor
unit or place anything on it.
There is the danger of fall of things or
Please note whether the installation
stand is firm enough or not.
If damaged, it may cause fall of the unit
and injury of people.
Don't attempt to repair the air condi-
tioner by yourself.
Improper repair may cause electric shock
or fire, so you should contact the service
center to repair.
Never insert any foreign matter into
the air conditioner to avoid damage of
the air conditioner. And never insert
your hands into the air outlets of indoor
and outdoor units.
The operation of cut-off valve of
outdoor unit must be performed by
professional personnel in order to
Never block the air inlet and outlet
of the indoor and outdoor units.
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★
avoid damage to compressor for
leakage of the system.
Earthing:the unit must be
earthed reliably! The earthing
wire should connect with special device
of buildings.
professional does not recognize.
It may reduce efficiency of the unit. It may reduce efficiency or cause stop of
the unit and even fire.
above 1m .
people .
If not, please ask the qualified personnel
to install. Furthermore, don't connect each
wire to gas pipe, water pipe, drainage
pipe or any other improper places which
Cautions for Operation

Keepproper temp
differencebetween
roomandoutdoors
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★
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★
Don'tinsertyourhandsorstickintotheairinletoroutlet. Selectthemostappropriatetemperature.
Splashingwaterontheairconditionermaycauseelectric
shockandmalfunction.
Don'tapplythecoldwindtothebodyforalongtimeor
Don'tusetheairconditionerforotherpurposes,suchas
dryingclothes,preservingfoods,etc.
Don'tplaceaspaceheaterneartheairconditioner.
OrCOtoxicosismayoccurforimcompleteburning.
Don'tblowthewindtoanimalsandplantsdirectly.
Itmaycauseabadinfluencetothem.
Don't striketheglassdoorwithheavythingstoavoiddamage.
settoolowtemperature.
Cautions for Operation
3

Working Principle and Special Functions for Cooling
Principle:
Anti-freezing Function:
If the unit is running under cooling mode at low temperature, the surface of indoor heat
below, the indoor microcomputer will make the compressor stop to protect the unit.
will decrease with the increase of outdoor temperature.
so that indoor ambient temperature will be decreased.By this principle, its cooling capacity
℃
exchangerwill frost.Whenthetemperature of indoorheat exchangerdecreasesto-2 or
Air conditioner absorbs heat from room and then transmit it outdoors for discharge of it,
Working Principle and Special Functions for Heating
*
*
*
*
*
Principle:
Defrosting:
defrosting function will act and heat running will briefly stop for 5-10min.
so that indoor temperature will be increased.
Ifoutdoortemperaturegetsmuchlower,pleaseoperatewithotherheatingequipments.
Note:Bythisprinciple,heating capacity of theunitwilldecreasewiththedecrease of outdoor
Air conditioner absorbs heat from outdoors and transmit into the room for distribution,
temperature.
When outdoor temperature is low with high humidity, the outdoor heat exchanger will
frost after the unit runs for a period of time, which affects heating. At this time, auto
malfunction.
During defrosting, the outdoor unit may emit vapor,which is due to rapid defrosting, not
During auto defrosting, both indoor and outdoor fans stop running.
The unit will resume heating after defrosting.
Notices for Use
Under heating mode, if indoor heat exchanger hasn't reached certain temperature under
the following three kinds of states, the indoor fan won't start to avoid blow of cold air (within
90s).
1. At the beginning of heating 2. After auto defrosting 3. Heat at ultra-low temperature
Anti-cold Air Function:
4

★
℃
"HEAT"
running
Outdoor temp above 24
"COOL"
running "DRY"
running
Outdoor temp below -7 ℃
Room temp above 27℃
Outdoor temp
below 18
Outdoor temp
above 48
℃
℃
Outdoor temp
below 21℃
Condition that unit can't normally run
Under relative humidity above 80% (door and windows open), long-time cooling or
dehumidifying, there will be dew dripping off near the air outlet.
Notices for Use
About display of ambient temperature:
1.In order to prolong lifetime of compressor, the air conditioner will automatically control start
or stop of compressor according to actual condition. It will delay for a period of time to stop
although the ambient temperature reaches setting temperature.
2.Becauseofdifferenceamongdifferentregionsintheroom,theairconditionerwillautomatically
supplement temperature to improve comfort. It is normal state that the temperature displayed
on the unit is different from that detected by the user.
5
The protection devices may be active or inactive in certain temp range of the following table.

⑹
Indoor unit
Air out
Air in
Outdoor unit
(1) Air outlet
(2) Display screen
and button
(3) Front panel
(4) Connecting pipe
(5) Drainage pipe
(6) Wrapping tape
Names of Each Part of the Unit
⑵
⑴
⑶
⑸
(4)
Air out
Air in
Display screen
.
6

⑹
Indoor unit
Air out
Air in
(1) Air outlet
(2) Display screen
and button
(3) Front panel
(4) Connecting pipe
(5) Drainage pipe
(6) Wrapping tape
Names of Each Part of the Unit
⑵
⑴
⑶
Display screen
(4)
⑸
Outdoor unit
Air in
Air out
7
.

8
Function Button and Display of Air Conditioner
ON/OFF
●
ON/OFF Button
Press this button to turn on/off the unit.
When turning on/off the unit, the timer
and sleep function which have been set
before will be cleared.
Note: during DRY operation, press
ON/OFF button to turn on the unit directly.
●
Name and Function of Each Button of Air Conditioner
MODE
AUTO COOL
HEAT
DRY
FAN
●
●
●
●
Function Button
FUNCTION
Function Button of Air Conditioner
When the unit operates, it is green;
when the unit is energized but doesn’t
operate, it is red.
Mode Button
Press this button and the mode will
change as follows:
AUTO: in this mode, the operation mode
is automatically determined by controller
based on change of room temperature.
COOL: cooling status is displayed.
DRY: the humidity is decreased but room
temperature doesn’t change.
FAN: in this mode, compressor doesn’t
operate and only indoor fan operates.
HEAT: heating status is displayed.
(Note: there is no HEAT mode for cooling
-only unit).
When the unit is operating, press
function button to set function as per
the sequence of vertical SWING,
horizontal SWING, X-FAN, E-Heater,
TIMER, SLEEP, SET TEMP,
ROOM TEMP.Afunction which blinks
can be set. Use button “▲”or “▼” for
setting. If there is no change within 5
seconds after setting, the setting will
be confirmed. Or press function button
again to confirm this function.
When the unit is in X-FAN status,
press function button to turn off the
unit directly. If the unit has been turned
off and not in X-Fan status, press
function button to set TIMER ON.
SPEED SPEED Button
Press this button, fan speed can be
circularly changed as the sequence
of AUTO-LOW-MED-HIGH-AUTO.