Page 1
Thank you very much for purchasing this Air Conditioner. Please
read this carefully before installing
and using this appliance and keep this manual for future reference.
use and installation instructions
Page 2
Welcome to use our product!
Thanks for trusting us.
Please read this manual carefully before installation!
Keep it properly for future use after installation!
Features of
The indoor unit’s
can be installed inside the ceiling conveniently.
Flexible Installation Options
According to the actual installation space,
The indoor unit
High Efficiency and Environment Friendly
New Refrigerant-R410A
R410A can protect the environment and do
not harm to the ozone layer.
24-hour Timer ON and OFF
This Timer can be set to automatically turn
the unit on or off at half-hour within a
24-hour period.
Ceiling&Floor Air Conditioner
thickness is only 230mm,
can be installed in the ceiling
or on the floor. One unit, Two installation
method.
Save Installation Space
Mute Operation
The excellent fan design enable the airflow
to be quiet and smooth with minimum noise.
Various Refrigerant Pipe Connect Methods
The refrigerant pipe can be connect from 3 different
directions(rear,right or top) .More methods, more
conveniently.
Self Recovery of Power Break
When the power supply is recovered after
break, all preset are still effective and the airconditioner can run according to the original
setting.
Fault Self-diagnose Function
When there is something wrong with the airconditioner, the micro computer could
diagnose the faults, which can be read from
the display and is convenient for maintenance.
AUV-18HR4SUA
AUV-24HR4SZA
AUV-36HR6SAB
AUV-48HR6SPC
AUV-60HR6SPC
APPLICATION MODEL
Page 3
Contents
Alert Symbols
Caution Statements
Composition of the Air-Conditioner
Special Remarks 5
Trouble shooting 5
--- -------------------------------------------------------------------------------1
--------------------------------------------------------------------------------2
-------------------------------------------------------------------3
----------------------------------------------------------------------------------
-----------------------------------------------------------------------------------
Diagram of Refrigerant Cycle
1.Refrigerant Flow Diagram ----------------------------------------------------------------7
2.Electrical Wiring Diagram ----------------------------------------------------------------7
----
Installation and Maintenance
--------------------------------------------------------------- ---------
-------------------------------------- -------------
------------------------------------------------ --------
- ----------------------------------------------------------------
---------------------------------------------------------- ------
---------------------------------------------------------------------
------------------------------------------------------------------
-----------------------------------------------------------
-------------------------------------------------------------------------15
----------------------------- ----------------------------------------
-------------------------------------------------------
.1 Installation sites -------------------------------------------------------------------
.2 Installation of the outdoor unit --------------------------------------------------------
-----------------------------------------------------------------------------18
9.1 Flaring with tube expander -------------------------------------------------------------------18
9.2 Connecting tubing between indoor and outdoor Units -------------------------------------------18
9.3 Heat insulation of the refrigerant tube ---------------------------------------------------------18
9.4 Taping the Tubes ---------------------------------------------------------------------------18
9.5 Finishing the installation ---------------------------------------------------------------------18
10 ------------------------------------------------------------------------18
10.1 Air Purging with a Vacuum Pump -------------------------------------------------------------18
10.2 Leak test ----------------------------------------------------------------------------------19
10.3 Tidy up the tubing --------------------------------------------------------------------------19
10.4 Test Run ----------------------------------------------------------------------------------19
10.5 Common----------------------------------------------------------------------------------20
1. Safety Notice 8
2. The Tools and Instrument for Installation 9
3. The Installation of the Indoor Unit 9
3.1 Before installation 11
3.2 Installation location 11
3.3 Installation 11
4. Refrigerant Pipe 14
4.1 The Pipe Material 14
4.2 The Connection of the Pip 14
5. Drain Piping
6. Electrical wiring 16
7. Attaching the air return grille 16
. The Installation of the Outdoor Unit 17
. Refrigerant Tubing
. Air Purging and Test Run
-
-
-
-
-
-----------------------------------------------------------------------
--------------------------------------------------------------
8
8 17
8 17
9
Page 4
: The symbol refers to a hazard which can result in severe personal injury or death.
: The symbol refers to a hazard or an unsafe practice which may result in severe personal injury
or death.
: The symbol refers to a hazard or an unsafe practice which may result in personal injury,
product or property damage.
It refers to the remarks and instruction to the operation, maintenance, and service.
DANGER
WARNING
CAUTION
NOTE
Alert Symbols：
1
Contents
Maximum
Minimum
Cooling Operation
Outdoor
43
15
Heating Operation
Outdoor
24
-10
● This heat pump air conditioner has been designed for the following temperatures.
Operate the heat pump air conditioner within this range.
Temperature (℃)
Page 5
We recommend that this air-conditioner be installed properly by qualified installation technicians in
accordance with the installation instructions provided with the unit.
Before installation, check if the voltage of the power supply in your home or office is the same as the voltage
shown on the nameplate.
You must not carry on any transformation to this product, otherwise, it may possibly
cause such consequences as the water leakage, the breakdown, the short-circuit, an
electric shock, fire, etc.
The work such as tube line welding, etc. should be carried out far away from the
flammable explosive material vessels, including the air-conditioner refrigerant, to
guarantee the security of the site.
To protect the air-conditioner from heavy corrosion, avoid installing the outdoor unit
where salty seawater can splash directly onto it or in sulphurous air near a spa. Do
not install the air-conditioner where excessively high heat-generating objects are
placed.
Never use gasoline or other inflammable gas near the air-conditioner, which is very
dangerous.
If the supply cord is damaged, it must be replaced by the factory or its service
department in case of danger
The place where this product is installed must have the reliable electrical earth facility
and the equipment. Please do not connect the grounding of this product to various kinds
of air-feeding tube lines, the drain lines, the lightning protection facility as well as other
tube lines to avoid receiving an electric shock and damages caused by other factors.
Wiring must be done by a qualified electrician. All the wiring must comply with the local
electrical codes.
Consider the capacity of the electric current of your electrical kilowatt-hour meter wires
and socket before installation.
The power wire where this product is installed is supposed to have the independent
leakage protective device and the electric current over-load protection device which are
provided for this product.
Do not turn the air-conditioner on and off from the power main switch. Use the
ON/OFF operation button.
Do not stick anything into the air inlet and air outlet of both the indoor and
outdoor units. This is dangerous because the fan is rotating at a high speed.
Do not cool or heat the room too much if babies or invalids are present.
CAUTION Statements
2
DANGER
WARNING
Read this manual carefully before using this air-conditioner. If you still have any
difficulties or problems, consult your dealer for help.
The air-conditioner is designed to provide you with comfortable room conditions. Use
this unit only for its intended purpose as described in this instruction manual.
WARNING
CAUTION
Page 6
ON/
OF
F
MODE
FAN
SWING
SWING
SLEEP
SUPER
SMART
IFEEL
DIMMER
TIMER ON
TIMER OFF
CLOCK
ON
OFFON OFF
Air Outlet
Air Intake
Vertical Louver
Horizontal Louver
Wireless Remote Controller
Filter
Display Panel
(Inside of Air Intake)
3
Composition of the Air-conditioner
Indoor Unit
Outdoor Unit
48K,60K
18K,24K,36K
Note:Pi ctures in the manu al are for referen ce only,s pecification s are subject to the p hysical product.
Page 7
FAN
MODE
T
I
MER
ON
CL
OC
K
I
F
E
E
L
TIM
E
R
OFF
S
LE
EP
SW
ING
SM
ART
S
U
P
ER
ON
OFF
ON/OF F
MODE FAN
SLEEP
SUPER
SMART
IFEEL DIMMER
TIMER ON TIMER OF F CL OCK
ON
OFFON OFF
SWING
SWING
4
Composition of the Air-conditioner
You c an co ntr ol th e air -co nditioner wit h the w ire r emo te co ntr oll er an d wir eless remo te
con tro ller.
It is used for controlling power ON/OFF,
setting the running mode, temperature,
fan speed and other functions.
Wire Remote Controller
Wireless Remote Controller
SET TEMP
ROOM
TEMP
C
AUTO
NO
.
TIMER ON
TIMER OFF
SET TIMER
A
It is used for controlling wire remote controller,
setting the running mode, temperature, fan
speed and other functions.
Note : The remote controller picked with indoor unit,
Please refer to the packing list . If you need others,
you may purchase it.
Optional remote control
Display Panel
The figures in this manual are based on the external view of a standard model.
Consequently, the shape may differ from that of the air conditioner you have selected.
It lights on when timer is in
use.It lights off when timer
finishes.
It lights on when the filter
should be cleaned.
The filter clean is resetted if press
the switch.
Press it the appliance will be stopped
when the unit is runing;
Press it for 5s,the appliance will be
forced colling when the unit is OFF.
It lights on during the defrost.
It lights off when defrost
finishes.
Receives signal from the
remote controller.
Timer indicator ( )Green
Filter clean ( )Yellow
Emergency switch
Defrost indicator ( )Green
Signal receiving section
It lights on during operation.
It lights off all when setting
SLEEP mode.
Run indicator ( )RED
Page 8
5
Operation manual
Special remarks
·Cooling operation
In cooling mode, the temperature can be set between18℃—32℃ .
The fan of the indoor unit will never stop running. It remains running even if the compressor stops working.
·Heating operation
Since the air conditioner carries out the heating operation by drawing on the heat of the outside air (through
heating pump), the heating capacity may decrease if the temperature outside the room is too low. If the
heating effect is not so satisfying, use some other heating device together.
·Anti-freezing function during cooling
When the temperature of the air from the indoor outlet is too low, the unit will run for some time under the
fan mode, to avoid frost or ice forming in the indoor heat exchanger.
·Cold air prevention
In several minutes after the heating mode is started, the fan of the indoor unit will not run until the heat
exchanger of the indoor unit reaches a high enough temperature. That is because cold air prevention system
is operating.
·Defrosting
When the outdoor temperature is too low, frost or ice may form in the outdoor heat exchanger, reducing
heating performance. When this happens, a defrosting system of the air conditioner will operate. At the same
time the fan in the indoor unit stops(or runs at a very low speed in some cases),a few minutes later, the
defrosting is over, and the heating operation restarts.
·Blow out the survival heating air
When stop the air conditioner in normal operation, the fan motor would run in low speed for a while to blown
out the survival heating air.
·Self Recovery of Power Break
When the power supply is recovered after break, all preset are still effective and the air-conditioner can run
according to the original setting. If you If you want to cancel this function,please press on/off button on wire
remote controller for 3 seconds , then the buzzer sounds shows the fuction has cancelled.When need this fuction
repeat steps how to cancel.
Troubleshooting
When overflow of drain water from the indoor unit occurs, stop the operation and contact your contractor.
when you smell or see white smoke coming from the unit, turn OFF the main power supply and contact
your contractor.
1. If Trouble Still Remains ...
If the trouble still remains even after checking the following, contact your contractor and inform them of the
following items.
(1)Unit Model Name
(2)Content of Trouble
2. No Operation
Check whether the SET TEMP is set at the correct temperature.
CAUTION
3 minutes pro tect after compresso r stop
For protect c ompressor, there are at l est 3 minutes stopping a fter compressor stop .
5 minutes pro tect
Compresso r must run 5 minutes at leas t once running. In the 5 min utes, compressor wil l not stop
even the room t emperature reach the s etting point unless yo u use remoter to turn off the unit(all
indoor unit b e turned off by user).
·
·
(Factory default with this function)
Page 9
6
Operation manual
3. Not Cooling or Heating Well
Check for obstruction of air flow of outside or inside units.
Check if too much heat source exists in the room.
Check if the air filter is clogged with dust.
Check to see if the doors or windows are opened or not.
Check if the temperature condition is not within the operation range.
4. This is Not Abnormal
Smells from indoor unit
Smell adheres on indoor unit after a long period of time. Clean the air filter and panels or allow a good
ventilation.
Sound from Deforming Parts
During system starting or stopping, an abrading sound might be heard. However, this is due to thermal
deformation of plastic parts. It is not abnormal.
Steam from Outdoor Heat Exchanger
During defrosting operation, ice on the outdoor heat exchanger is melted, resulting in making steam.
Dew on Air Panel
When the cooling operation continues for a long period of time under high humidity conditions(higher than
27℃/80%R.H.), dew can form on the air panel.
Refrigerant Flow Sound
While the system is being started or stopped, sound from the refrigerant flow may be heard.
Page 10
Diagram of refrigerant cycle
1.REFRIGERANT FLOW DIAGRAM
2.ELECTRICAL WIRING DIAGRAM
7
Gas piping
Wide service valve
Compressor
Accumulator
4-way valve
Heat exchanger
Liquid piping
Heating cycle
Cooling cycle
INDOOR UNIT OUTDOOR UNIT
Heat exchanger
EEV
Service valve
Outdoor unit
Outdoor unit
Indoor unit
Indoor unit
Terminal
Terminal
Terminal
Terminal
SI
SI
L
L
N
N
SI
L
N
SI
L
N
Power connecting cord
Power connecting cord
N
L
Power supply
N
U
V
W
Power supply
24k
For 36k/48K/60K
Note:
EEV is only valid for DC inverter air-conditioner,for air conditioner,use capillary.
Accumulator is only applicable to 48k and 60k air-conditioners.
Outdoor unit
Indoor unit
Terminal Terminal
N
N
1L
3L
2L
1L
3L
2L
Power connecting cord
N
L
Power supply
18k
Page 11
1. Safety Notice
8
Installation and Maintenance
WARNING
· Installation should be left to the dealer or another professional person. (Improper installation may cause
water leakage, electrical shock, or fire.)
·Install the unit according to the instruction given in this manual. (Incomplete installation may cause water
leakage, electrical shock, or fire.)
·Be sure to use the supplied or specified installation parts. (Use of other parts may cause the unit to come to
lose, water leakage, electrical shock, or fire.)
· Install the air conditioner on a solid base that can support the unit weight. (An inadequate base or
incomplete installation may cause injury in the event the unit falls off the base. )
· Electrical work should be carried out in accordance with the installation manual and the local national
electrical wiring rules or code of practice.
(Insufficient capacity or incomplete electrical work may cause electrical shock or fire. )
·Be sure to use a dedicated power circuit. (Never use a power supply shared by another appliance. )
·For wiring ,use a cable long enough to cover the entire distance with no connection, do not use an extension
cord.
·Do not put other loads on the power supply , use a dedicated power circuit. (Failure to do so may cause
abnormal heat, electric shock or fire.)
· Use the specified types of wires for electrical connections between the indoor and outdoor units. (Firmly
clamp the interconnecting wires so their terminals receive no external stresses.)
·Incomplete connections or clamping may cause terminal overheating or fire.
· After connecting interconnecting and supply wiring be sure to shape the cables so that they do not put
undue force on the electrical covers or panels. (Install covers over the wires, incomplete cover installation may
cause terminal overheating, electrical shock or fire.)
·When installing or relocating the system, be sure to keep the refrigerant circuit free from substances other
than the specified refrigerant (R410A) ,such as air. (Any presence of air or other foreign substance in the
refrigerant circuit causes an abnormal pressure rise or rupture, resulting in injury.)
·If any refrigerant has leaked out during the installation work, ventilate the room. (The refrigerant reduces a
toxic gas if exposed to flames.)
· After all installation is completed, check to make sure that no refrigerant is leaking out. (The refrigerant
produces a toxic gas if exposed to flames.)
·When carrying out piping connection, take care not to let air substances other than the specified refrigerant
go into refrigeration cycle. (Otherwise, it will cause lower capacity, abnormal high pressure in the refrigeration
cycle, explosion and injury. )
·Be sure to establish an earth. do not earth the unit to a utility pipe, arrester, or telephone earth. Incomplete
earth may cause electrical shock. (A high surge current from lightning or other sources may cause damage to
the air conditioner.)
·An earth leakage circuit breaker may be required depending on site condition to prevent electrical shock.
(Failure to do so may cause electrical shock. )
·Disconnect the power supply before completion of wiring, piping , or checking the unit.
·When moving the indoor unit and outdoor unit , please be careful .do not make the outdoor unit incline over
45 degree. Please avoid to be hurt by the sharp edge of the air conditioner.
· Install the remote controller: Be sure that the length of the wire between the indoor unit and remote
controller is within 50 meters.
·Do not install the air conditioner in a place where there is danger of exposure to inflammable gas leakage. (If
the gas leaks and builds up around the unit, it may catch fire.)
·Establish drain piping according to the instructions of this manual. (Inadequate piping may cause flooding.)
· Tighten the flare nut according to the specified method such as with a torque wrench. (If the flare nut is
tightened too hard, the flare nut may crack after a long time and cause refrigerant leakage.)
CAUTION
Page 12
During installation, do not damage the insulation
material on the surface of the indoor unit.
3. The Installation of the Indoor Unit
9
Installation and Maintenance
CAUTION
2. The Tools and Instruments for Installation
Number
1
2
3
4
5
6
7
Tool
Standard screwdriver
Vacuum pump
Charge hose
Pipe bender
Adjustable wrench
Tube cutter
Cross head screw-driver
Number
8
9
10
11
12
13
14
Tool
Gradienter
Hammer
Churn drill
Knife or wire stripper
Tube expander
Inner hexagon spanner
Tape measure
3.1 Before installation
·When moving the unit during or after unpacking, make sure to lift it by holding its lifting lugs.
DO not exert any pressure on other parts, especially the refrigerant piping, drain piping and
flange parts.
·Wear protective gears (gloves and so on). When install the unit.
·Install correctly according to the installation manual.
·Confirm the following points:
○ Unit type/Power supply specification
○ Pipes/Wires/Small parts
○ Accessory items
Page 13
For unit hanging
For unit hanging
and adjustment
For fixing of pipe cover
For Drain pipe Connection
For Fixing air return grille
For Drain Hose
Heavy Insulation
1
1
1
4
4
1
1
1
10
8
Papper pattern
ACCESSORY ITEMS
Installation and Maintenance
Air return grille
Accessoies are inside
.
10
Page 14
3.3 Installation
According to the actual installation space,installed it in the ceiling
or on the floor.
3.3.1 Suspension bolts
(1) Consider the pipe direction, wiring and maintenance
carefully, and choose the proper direction and location
for installation.
(2) Install the suspension bolts as shown in Fig. 3.3.1
below.
Fig. 3.3.1 Fixing the suspension bolts
Fig. 3.2.1
·For the concrete
(Unit:mm)
·For t he stee l beam
·For the wooden beam
150 t o160m m
Screw in
（100 to150kg）
Steel bar
Concrete
Suspension bolts
(W3 /8 or M10 )
“ ” shaped steel beam
Wood rib
60mm to 90mm （ ）
Woo den be am
Nut Round washer
Square washer
Suspension bolts
11
3.3.2 The position of the suspension bolts and the pipes
(1) Mark the positions of the , the
positions of the refrigerant pipes and the drain pipes.
(2) The dimension are shown below.
suspension bolts
Installation and Maintenance
·Select the suitable areas to install the unit under
approval of the user.
When plural indoor units are installed nearby,keep
them away for more than 4-5m.
·
·
·
·
·
·
·
·
·
The air passage is not blocked.
Condensate can drain properly.
The ceiling is strong enough to bear the weight of
the indoor unit.
Sufficient clearance for maintenance and servicing
Piping between the indoor and outdoor units is
within the allowable limits.(refer to the installation of
the outdoor unit )
The indoor unit, outdoor unit, power supply wiring
and transmission wiring is at least 1 meter away
from televisions and radio, this prevents image
interference and noise in electrical appliances.
(Noise may be generated depending on the
conditions under which the electric wave is
generated, even if a one-meter allowance is
maintained.)
Use suspension bolts to install the unit, check
whether or not the ceiling is strong enough to
support the weight of the unit. If there is a risk that
the ceiling is not strong enough, reinforce the ceiling
before installing the unit.
If there are 2 units of wireless type, keep them
away for more than 6 m to avoid malfunction due to
cross communication.
is ensured.(See Fig.3.2.1 )
Suspension bolts
(W3 /8 or M10 )
Nut
3.2 Installation location
Space for installation and service
TYPE A B
18K,24K 990 912
36K 1285 1207
48K,60K 1580 1502
Fig. 3.3.2 Suspension bolts
Ceiling Installation
Floor standing Installation
100mm or more
150mm or more
4000~5000mm or more
5mm or more
Obstacle
30 0mm
or m ore
100mm or more
4000~5000mm
150mm or more
150mm or more
Floor
Wall
150mm or more
Blowout opening
Page 15
Ceiling
Walls
Pattern board
Fig. 3.3.7
12
Installation and Maintenance
※The outlet through which the pipings are
taken out is available in three directions.
※Pipes can be taken out in 3 directions(rear,right
or top).(See fig.3.3.3)
Cut out holes using nippers, etc.
Cut out holes to taken out pipes along the cutoff line
on the rear cover.
Cut out the top face cover aligning to the piping
position.
When taking pipe out to right-hand side,cut out a
hole along the groove at the inside of the side
panel.
After installing pipes and wires,seal clearances
around pipes and wires with putty,etc.to shut off
dust.
Make sure to install the covers at rear and top in
order to protect the inside of unit from intrusion of
dust or protect wires from damages by sharp
edges.When taking them out to the right-hand
side,remove burrs or sharp edges from the cutout.
Top outlet
Right outlet
Rear outlet
Drain outlet
(rear right)
Drain outlet
(rear left)
Drain outlet
(right)
Drain outlet
(left)
Fig. 3.3.3
Fig. 3.3.4
Fig. 3.3.5
1)Remove the air return grille.
Slide stoppers (4 places) of the catches,then
remove the screws(4 or 6 places).
3.3.3Indoor unit preparation
2)Remove side panel.
Remove the screw and detach the side
panel by sliding it toward the direction
indicated by the arrow mark.
Fig. 3.3.6 Suspension bolts and nuts
3)Remove the hanging plate.
Remove the screw and then fixing bolts.
i
Ceiling type installation
1)Select the suspension bolt locations and the
pipe hole location.
.Use enclosed paper pattern as a reference ,and drill
the holes for the suspension bolts and pipe.
Note:Decide the locations based on the direct
measurements.
ii.Once the locations are properly placed, the paper
pattern can be removed.
Side panel
Side panel screw
(1 each on the left and right)(M4)
Hanging plate
Hanging plate
fixing bolts(M8)
Hanging plate
screw (M5)
Screw
3.3.4Install the indoor unit
Page 16
3).Fix with 4 suspension bolts,which can endure load
of 530N.
4).Check the measurements the length of the
suspension bolts.
5).Fasten the hanging plate onto the suspension
bolts.
6).Install the unit to the hanging plate.
i.Slide the unit from front side to get it hanged on the
hanging plate
with bolts.
ii.Fasten the four fixing bolts(M8:2each on the left
and right sides)firmly.
iii.Fasten the two screws(M5:1 each on the left and
right sides.)
Fig. 3.3.9
Fig. 3.3.10
Fig. 3.3.8
Installation and Maintenance
13
ceiling
Hanging plate
25mm or more
45mm or less
Suspension bolt
2)Select the suspension bolt locations and the
pipe hole location.
Place the left hanger bracket on the nuts
and washers of the suspension bolts.
Make sure that the left hanger bracket has
been fixed on the nuts and washers securely,
install the right hanger bracket suspension
hook on the nuts and washers.
(When installing the indoor unit, you can
slightly remove the suspension bolts.)
·
·
Hanging plate
strew for hanging
plate(M5)
i
Floor standing type installation
1)Select the suspension bolt locations and the
pipe hole location.
.Use enclosed paper pattern as a reference ,and drill
the holes for the suspension bolts and pipe.
Note:Decide the locations based on the direct
measurements.
ii.Once the locations are properly placed, the paper
pattern can be removed.
Wall
Floor
Pattern board
2).Fix with 4 suspension bolts,and fasten the four
fixing bolts(M8:2each on the left and right
sides)firmly.
3).Fasten the two screws of Air Intake Grille(M5:1
each on the left and right sides).
3.3.5 The horizon adjustment of the indoor unit
(1) Make sure that the hanger bracket is fixed by the
nut and the washer.
(2) Adjust the height of the unit.
(3) Check the unit is horizontally level.
*To ensure smooth drain flow,install the unit with a
descending slope(0-3mm) toward the drain outlet.
(4) After the adjustment, tighten the nut and swear the
thread locker on the suspension to prevent the nuts
from loosening.
(1) During the installation, please cover the unit with the
plastic cloth to keep it clean.
(2) Make sure the unit is installed level using a level or
a plastic tube filled with water in using a plastic tube
instead of a level, adjust the top surface of the unit to
the surface of the water at both ends of the plastic tube
and adjust the unit horizontally.(one thing to watch out
for in particular is if it is installed so that the slope is not
in the direction of the drain piping, as this might cause
leaking.)
CAUTION
Page 17
4. Refrigerant Pipe
Use the R410A refrigerant. When carrying on the
leakage check and test, do not mix in the oxygen, the
acetylene and flammable and the virulent gas, for
these gases are quite dangerous, and may possibly
cause explosion. It is suggested that the compressed
air, the nitrogen or the refrigerant be used to perform
these experiments.
4.1 The Pipe Material
(1) Prepare the copper pipe on the spot.
(2) Choose dustless, non-humid, clean copper pipe.
Before installing the pipe, use nitrogen or dry air to
blow away the tube dust and impurity.
(3)Choose the copper pipe according to Fig. 4.2.
4.2 The Connection of the Pipe
(1) The connection positions of the pipe are shown in
Fig. 4.1 and Fig. 4.2.
unit:(mm)
14
Fig. 4.1 The connection positions of the tube
Fig. 4.2 The pipe diameter
Model
Gas pipe
Liquid pipe
48K,60K
Φ19.05mm
φ9.52mm
(2) As shown in Fig. 4.3, screw up the nuts with 2 spanners.
Fig. 4.3 Screw up the nut torque
(3) After finishing connecting the refrigerant pipes, keep
it warm with the insulation material.
φ6.35mm
φ9.52mm
φ12.7mm
φ15.88mm
φ19.05mm
Tube size
20
40
60
80
100
Torque（N.m）
Fig. 4.4 Piping insulation procedure
Clamp(attached)
Insulation (attached)
Refrigerant pipe
(field supplied)
Side of the
indoor unit
Insulation
( )field supplied
Installation and Maintenance
DANGER
·The pipe go through the hole with the seal.
Protected with the tape or plug.
Do not put the pipes on the
floor directly.
CAUTION
·Do not put the pipes on the floor directly.
24K,36K
φ15.88mm
Φ9.52mm
Drain pipe
18K
Φ12.7mm
Φ6.35mm
Φ26mm
Φ26mm
Φ26mm
The pipe can be connected from three different
directions.(back,right,top)
when the pipe is routed through the back.
If the bracket is removed,piping work will become
easy.
After piping,reinstall the removed branket.
When the pipe is routed through the back.
Cut the removed top cover,and install to the rear
panel instead of rear cover.
Gas piping
Liquid piping
Drain piping
(right)
Drain piping
(left)
Liquid piping
Gas piping
Page 18
15
5. Drain piping
Install the drain piping·
·
·
·
Make sure the drain works properly.
The diameter of drain pipe connection hole should
be same as that of the drain pipe.
Keep the drain pipe short and sloping down wards at
a gradient of at least 1/100 to prevent air pockets from
forming.
Refrigerant pipes
Drain pipe connection hole
(external straight pipe thread)
Water accumulating in the drain piping can cause
the drain to clog.
Refrigerant
pipes
Bucket
Installation and Maintenance
CAUTION
CAUTION
·
·
·
·
·
·
To keep the drain tube from sagging, space hanging
wires every 1 to 1.5 m.
Use the drain hose and the clamp. Insert the drain
hose fully into the drain socket and firmly tighten the
drain hose and warm-keeping material with the clamp.
The two areas below should be insulated because
condensation may form there causing water to leak.
Drain piping passing indoors
Drain sockets.
Referring the figure below, insulate the drain socket
and drain hose using the included large sealing pad.
Drain piping connections
·
·
·
·
·
·
Do not connec t the drain directly to se wage
pipes that sm ell of ammonia. The am monia in the
sewage migh t enter the indoor unit th rough the
drain pipes a nd corrode the heat exch anger.
Do not twist or b end the drain hose ,so tha t
excessive f orce is not applied to it.
This type of tr eatment may cause leak ing.
After pipin g work is finished, chec k drainage
flows smoot hly.
Gradually i nsert approximatel y 1000 cc of water
into the drai n pan to check drainage in t he manner
described b elow.
Gradually p our approximately 10 00 cc of water
from the outl et hole into the drain pan t o check
drainage.
Check the dra inage.
Drain hose
Sealing material Sealing material
INDOOR
UNIT
INDOOR
UNIT
Page 19
may result in accident, for example shock.
(1) Remove the screws on the control box.
(2) Connect the power cord and earth wire to the main terminal.
(3) The remote control wire to the subsidiary terminal box according to electric wiring diagram.
(4) Connect the power supply of the indoor and outdoor units to the main terminal.
(5) Tie the wire in the control box with the clamp tightly.
(6) After finishing the wiring, seal the wiring hole with
the sealing material ( with the lid ) to prevent the condensed water and insects entering.
·If the fuses burn up, please call the service agency to instead it. Please do not instead by yourself, or else
16
Installation and Maintenance
WARNING
6. Electrical wiring
7. Attaching the air return grille
· When clamping the wiring, use the included clamping material as shown in the FIG.6.1 to prevent outside
pressure being exerted on the wiring connections and clamp firmly.
·
·
When doing the wiring, make sure the wiring is neat and does not cause the control box lid to stick up, then
close the cover firmly. When attaching the control lid, make sure you do not pinch any wires.
Outside the machine, separate the weak wiring(remote controller and transmission wiring) and strong
wiring(earth and power supply wiring) at least 50 mm so that they do not pass through the same place
together. Proximity may cause electrical interference. Malfunction , and breakage.
·The air return grille must be attached when electric cabling work is completed.
(1).Fix the air return grille onto the indoor unit with screws supplied as
accessories(4 pieces).
(2).Close the air return grille
This completes the unit installation work.
CAUTION
6.1 General check
Page 20
17
Installation and Maintenance
8. The Installation of the Outdoor Unit
Avoid
Direct sunlight
Near Heat Source/ventilation fan
Container With Flammable materials
Thick Oil fog
Wet Or Uneven place
Aisle Or sideway
8.1 Installation sites
Pl
Place it in an area with good ventilation.
Have desired space for air inlet, outlet and
maintenance. (Figure 8.1)
2
Make a strong base(10X40cm board made of
concrete or alike). The appliance should be placed
not less than 10 cm high to avoid being wet or
corroded. Otherwise, it may cause damage to the
appliance or reduce its life time. (Figure 8.2)
Fix the base with hook bolts or alike to reduce
vibration and noise.
ace it in cool temperature.
You should
If the total tube length is between 5m and 50m (Max.
length), an additional refrigerant can be added. It's not
necessary to add compressor oil.（Figure 8.3）
Additional charge(Refrigerant R410A):
For 18k:
Xg = 15g / m × (Total pipe length(m) -5)
For 24k/36K/48K/60K:
Xg =35g / m × (Total pipe length(m) -5)
Obstacle
Top obstacle
Air outlet
2m
2m
Ground
Min.10cm
Air inlet
Min. 10cm
Min.
5cm
Air outlet
Air inlet
Min.
5cm
Min.40cm
Fig. 8.1
Concrete base or alike
Min.10cm
Setscrew
(at least 4)
About 40cm
About 10cm
Fig.8.2
Indoor unit
Tube length L
Height difference H
Outdoor unit
Fig.8.3
8.2 Installation of the outdoor unit
Firstly select the installation site and fix the outdoor
unit. If it needs to be fixed onto the wall, make sure
that the wall and the supporting rack is strong enough
to hold the weight of the appliance.
Release the setscrews of the electric cover,
remove the electric cover(if the valve cover is
there either, please release it. )
Connect the indoor unit wiring to the outdoor unit
panel according to the electric wiring diagrams.
Be sure to make each wire allowing 10cm longer
than the required length for wiring.
Ground the unit following local electrical
regulations.
Check the wiring with the wiring diagrams and
make sure it's well connected. Fix the wiring with
clips and reinstall the electric cover.
Wiring instruction for outdoor unit
15(m) 7.5(m) 15(g/m)
20(m) 10(m) 35(g/m)
30(m) 15(m) 35(g/m)
50(m) 15(m) 35(g/m)
Max. Tube
length(L)
Model
18k
24k
36k
48k/60k
Max. Height
difference(H)
Add.
Refrigerant
(exceed 5m)
Page 21
Installation and Maintenance
18
9.2 Connecting tubing between indoor
and outdoor Units
Be sure to apply a sealing cap or water-proof tape
to prevent dust or water from getting into the tubes
before they are used.
Be sure to apply refrigerant lubricant to the
matching surfaces of the flare and union before
connecting them together. This is effective for
reducing gas leaks.(Figure 9.4)
For proper connection, align the union tube and
flare tube straight with each other, then screw in the
flare nut lightly to obtain a smooth match. (Figure 9.5)
Tighten the setscrew with torque wrench to prevent
leak of refrigerant. Carefully test leak before running
the appliance.
Remove the burrs at the end of the copper tube
with a tube reamer or file. When reaming, hold the
tube bend downward and be sure that no copper
scraps fall into the tube. This process is important
and should be done carefully to make a good
flare.(Figure 9.1,9.2)
Remove the flare nut from the unit and be sure to
mount it on the copper tube.
Make a flare at the end of copper tube with a flare
tool.(Figure 9.3)
9.4 Taping the Tubes
Note: Do not wind the armoring tape too tightly because
this will decrease the heat insulation effect. Also be
sure the condensation drain hose splits away from
bundle and drips clear of the unit and the tubing.
The two refrigerant tubes (and electrical wire if local
codes permit)should be taped together with white
armoring tape. The drain hose may also e included
and taped together as a bundle with the tubing.
Wrap the armoring tape from the bottom of the
outdoor unit to the top of the tubing where it enters
the wall. As you wrap the tubing, overlap half of
each previous tape turn. (See Figure 9.7)
Clamp the tubing bundle to the wall, using one
clamp approx. every 120 cm.
9.5 Finishing the installation
After completion of wrapping and insulation, seal the
hole on the wall with suitable sealant against wind and rain.
To avoid loss of heat and in prevention of the
ground being wet by condensed water, all
refrigerant tubes must be insulated with suitable
insulating materials whose minimum thickness will
be 6 mm. (See Figure 9.6)
9.3 Heat insulation of the refrigerant tube
10.Air purging and test run
Air and moisture remaining in the refrigerant system
have undesirable effects.
Therefore, they must be purged completely following the
steps.
10.1 Air Purging with a Vacuum Pump (See
Figure 10.1, Figure 10.2)
(1) Check that each tube (both narrow and wide tubes
between the indoor and outdoor units) have been
properly connected and all wiring for the test run has
been completed. Note that both narrow and wide tube
valves on the outdoor unit are kept closed at this stage.
(2) Using an adjustable wrench or box wrench, remove
the bonnet from the service valve.
(3) Connect a vacuum pump and service valve together
tightly.
(4) Turn on the vacuum pump and till the pressure is
-4
lower than 15Pa(or 1.5×10 bar) for 5 minutes.
(5) With the vacuum pump still running, demount tube
of vacuum pump from the service valve. Then stop the
vacuum pump.
(6) Replace the bonnet on the service valve and fasten it
securely with an adjustable wrench or box wrench.
(7) Using an adjustable wrench or box wrench, remove
the bonnet of both narrow and wide valve.
(8) With the hex wrench, turn the wide and narrow tube
valves stem counter clockwise to fully open the valves.
(9) Replace the bonnets on the wide and narrow valves
and fasten it securely with an adjustable wrench or box
wrench.
9.1 Flaring with tube expander
Note: A good flare have the following characteristics:
Inside surface is glossy and smooth.
Edge is smooth.
Tapered sides are of uniform length.
9.Refrigerant tubing
Page 22
Only after all the checking points have been checked
the unit can be operated.
(A) Check and make sure that the resistance of the
terminal to ground is more than 1M , otherwise, you
cannot operate the unit before the electricity leakage
point is found and repaired.
(B) Check and make sure that the stop valve has been
opened before operating the unit.
(C)Make sure that turn on electric power 6 hours before
·
Ω
operating the unit.
WARNING
Installation and Maintenance
19
10.2 Leak test
10.3 Tidy up the tubing
If
the
leak
test turns out
to
be all right,
preserve
heat
the
joints of the indoor unit.
Straighten
the connecting
tubes
and
make them
flush and
fixed to
the
wall. Seal the space around the
hole in
the wall through which the tubes come out
with gypsum.
10.4 Test Run
Make sure the power and unit run well then plug in.
Turn on the appliance and adjust it to Cooling or
Heating mode according to the room temperature.
Set tem. at 18℃when coolling mode and 32℃
when heating mode.Check if the appliance can run
well.
Installation of the appliance is generally finished after
the above operations are done. If you still have any
trouble, please contact local technical service center
of our company for further information.
● Pay attention to the following items while the
system is running.
(A) D o n ot touch any of the parts by hand at the
dischar ge gas side, since t he compressor
chamber an d the pipes at the discharge sid e are
heated hi gher than 90℃.
(B) D O N OT PUS H T HE BUT TON O F T HE
MAGNETI C SWITCH(ES). It w ill cause a seriou s
acciden t.
( C) Use remot e controller to operate ,and check
whether r oom temperatur e and function wel l.
After tes t， tu rn off the elect ric power.
Clamp
Insulated tubes
Tube
Tapered nuts
Flarer
Fig.9.3
Apply refrigerant lubricant here and there
Union Flare nut
Insulation
Narrow tube
Hex wrench
Wide tube
Service valve
Bonnet of service valve
Bonnet of narrow valve
Bonnet of wide valve
Indoor unit
Outdoor unit
Manifold
valve
Pressure
gauge
Vacuum pump
Reamer
Tube
Fig.9.1
Before
After
Fig.9.2
Fig.9.5
Fig.9.4
Fig.9.6
Fig.9.7
Fig.10.1
Fig.10.2
Leak test all joints and valves of the indoor unit and
outdoor unit with liquid soap. Checking of the orifice
cap shouldn't be less than 30 seconds. Clean the
liquid soap after the test in case that the color of
the copper tube may change for erode.
Page 23
Installation and Maintenance
10.5 Common
● Use an ELB (Electric Leakage Breaker). If not used, it will cause an electric shock or a
fire.
● Do not operate the system until all the check points have been cleared.
(A) Check to ensure that the insulation resistance is more than 1 megohm, by measuring the
resistance between ground and the terminal of the electrical parts. If not, do not operate the
system until the electrical leakage is found and repaired.
(B) Check to ensure that the stop valves of the outdoor unit are fully opened and then start the
system.
● Pay attention to the following items while the system is running.
(A) Do not touch any of the parts by hand at the discharge gas side, since the compressor
chamber and the pipes at the discharge side are heated higher than 90℃.
(B) DO NOT PUSH THE BUTTON OF THE MAGNETIC SWITCH(ES). It will cause a serious
Accident.
NOTES:
1) Follow local codes and regulations when selecting field wires.
2) The wire sizes marked in the table are selected at the maximus current of the unit according to the
European Standard ,En60 335-1. Use the wires which are not lighter than the ordinary tough rubber
sheathed flexible cord (code designation H05RN-F) or ordinary polychloroprene sheathed flexible
cord (code designation H05RN-F) .
3) Use a shielded cable for the transmitting circuit and connect it to ground .
4) In the case that power cables are connected in series, add each unit maximum current and
select wires below.
*in the case that current exceeds 63A, do not connect cables in series.
5)To be in compliance with EN 61000-3-11, the product shall be connected only to a supply of the system impedance:
︱Zsys︱≤0.247Ω(for AUV-18HR4SUΑ) ︱Zsys︱≤0.209Ω(for AUV-24HR4SZΑ).Before connecting the product
to public power network，please consult your local power supply authority to ensure the power network meet above
requirement.
20
18K
24K
36K
48K
60K
220~240V,50Hz
3X1.5mm
5X1.5mm
3X1.5mm
5X2.5mm
5X1.5mm
4x0.75mm
2
2
2
2
2
2
380~418V,50Hz
Power
Supply
Transmitting Cable Size
EN60 335-1
EN60 335-1
Capacity
(Btu/h)
Page 24
Correct Disposal of this product
This marking indicates that this product should not be disposed with other household wastes
throughout the EU. To prevent possible harm to the environment or human health from
uncontrolled waste disposal, recycle it responsibly to promote the sustainable reuse of material
resources. To return your used device, please use the return and collection systems or contact
the retailer where the product was purchased. They can take this product for environmental safe
recycling.
Version No. 1544535,B
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