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CONTENTS
Identification of parts
Indoor unit
Outdoor unit
Operating and display
Remote controller
Operation instructions
Operation modes
Air flow direction control
"I FEEL" mode
Timer operation mode
Electric heating mode
Sleep operation mode
Safety Precautions
Maintenance
Protection
Troubleshooting
Installation instructions
Select the installation locations
Indoor unit installation
Outdoor unit installation
Air purge
Electrical work
Test run
Notes
Front panel installation
2
3
3
4
7
8
9
10
9
11
12
5
14
15
16
17
20
21
23
27
29
29
1
Safety precautions
Symbols in this User's Manual are interpreted as shown below:
Be sure not to do.
The feature of the appliance,
instead of a fault.
Pay attention to such a situation.
Grounding is necessary.
Be sure to follow the instruction.
Do not use the power supply circuit
breaker or pull off the plug to turn it off
during operation. This may cause a fire
due to spark, etc.
Keep the power supply circuit breaker
or plug from dirt. Connect the power
supply cord to it firmly and correctly,
lest an electric shock or a fire break out
due to insufficient contact.
Use 220V~/50Hz power supply only
Use 380V~/50Hz power supply only
Otherwise, serious faults maybe occur
or a fire maybe break out.
Do not knit, pull or press the power supply
cord, lest the power supply cord be broken.
An electric shock or fire is probably caused
by a broken power supply cord.
Never insert a stick or similar to the unit.
Since the fan rotates at high speed, this
may cause an injury.
Do not repair the appliance by yourself.
If this is done incorrectly, it may cause an
electric shock, etc.
Turn off the appliance first before cutting
off power supply when malfunction occurs.
It is harmful to your health if the cool air
reaches you for a long time. It is advisable
to let the air flow be deflected to all the room.
Prevent the air flow from reaching the gas
burners and stove.
Do not touch the operation buttons
when your hands are wet.
Do not put any objects on the outdoor
unit.
It is the user's responsibility to make the
appliance be grounded according to
local codes or ordinances by a licenced
person.
2
Warning: Incorrect handling could
cause a serious hazard, such as death,
serious injury,etc.
Single phase model
Make sure to use correct power source
3-phase model
3
Indoor unit
Outdoor unit
Identification of parts
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.
Air vanes
Air outlet
Electrical cover
Note: The condensate water drains
at COOLING or Dry operation.
Drain hose
Pipes and power
connecting cord
Remote controller
Air outlet
Air inlet grill
Air filter
Display panel
Corner panel
Front panel
Identification of parts
4
Operating and Display
It lights on when timer is in use.
It lights on means the water pump is
running. It flashes means drain failure.
It lights on when the electrical heater is
in use and lights off when heater is off.
Receives signal from
the remote controller.
Timer indicator (Yellow))
Drain indicator (Orange)
Electrical heater indicator (Red)
Signal receiving section
RUN
TIMER
TIMER
DRAIN HEATER
It lights on during operation.
It flashes for ten seconds when
setting SLEEP mode.
Run indicator (Green)
It lights off when timer finishes.
5
Identification of parts
send signal to appliance.
Press once to turn on
and press again to off
For presetting the time
to turn on or off the
air conditioner
After setting the timer,
press once to confirm.
The remote controller continues displaying even the unit has stopped operation.
For setting operation
mode
Press once the start
the electric heater
in heating mode, press
again to cancel.
Press to set and press
again to cancel
Press to cancel timer
To adjust air flow
direction
signal transmit.
high fan speed
medium fan speed
low fan speed
For adjusting room
temperature
Remote controller
signal transmitter
ON/OFF button
TIMER button
HEATER button
TIMER-SET button
MODE button
FAN Speed button
SLEEP button
TIMER-Cancel button
SWING button
Remote controller
indicator section
Remote controller
indicator section
TEMPERATURE button
Sleep indicator
Heating indicator
Electric heater
indicator
Cooling indicator
Dry indicator
Fan only indicator
I FEEL
"I FEEL" mode
Press once to
raise the set
temperature by 1
I FEEL
HI
h
LOW
FAN ON/OFF
TEMP
SLEEP
SWING
MODE
CAN
SET
TIMER
HEATER
Press once to
lower the set
temperature by 1
auto fan speed
Press to select the
indoor fan speed.
Remote controller
TIMER
SET
CAN
MODE
SWING
SLEEP
The appliance may not work in the following cases:
How to load batteries
How to use remote controller
Pull to open
the cover.
Load batteries properly
in the compartment
according to polarity.
Push up to close
the cover.
Note:
The service life of an alkaline battery is about 1 year.
When the indoor unit does not response to signal, or
the display becomes dim, replace the batteries at once.
Replace the two batteries with new ones of the same
tape.
To prevent liquid leakage, take out all batteries when
it is not going to be used for a long time.
After replacing batteries, if the remote
controller does not display, take them
out and reload them 20 seconds later.
Be sure to stop the air conditioner
before loading the batteries.
Signal
transmitter
The range that the signal can reach
is about 7m when pointing at the
front of indoor unit.
Signal-sent symbol will flash
for a short time when signal is sent.
No signal
is received
Remote controller
is exposed to
direct sunlight or
strong spotlight
Identification of parts
Remote controller
6
__
"Beep" means
receiving signal
HEATER
- 7 -
Each time the MODE button is pressed, the operation mode
is changed in sequence:
Press until your desired mode appears.
Each time the "FAN" button is pressed, the fan speed is
changed in sequence:
"I FEEL "mode is specified on page 9.
The compressor does not run in "FAN ONLY " mode.
18 ~32
HEATING
"I FEEL"
COOLING DRY
FAN ONLY
Selecting mode
Select fan speed
2
+
-
AUTO
HI MED
LO
.
At "FAN ONLY" mode, only "HI","MED" and "LO" are available.
While at "DRY"mode, airflow is set by air conditioner automatically,
"FAN" button is ineffective in this case.
Setting temperature
Press once to lower temperature by 1
Press once to raise temperature by 1
Range of available set temperature
HEATING or COOLING
DRY
FAN
unable to set
room temperature
Turning on
Press "ON/OFF" button, when the appliance receives the
signal, a "beep" can be heard, then the RUN indicator
lights up.
Changing modes during operation, sometimes the unit does not response at once. Wait 3 minutes.
Wait 3 minutes before restarting the appliance.
the temperature of the indoor heat exchanger rises.
During heating operation, air flow is not discharged at the beginning. After 2 5 minutes, the flow will be discharged until
1
3
4
2
FAN
ON/OFF
TEMP
SLEEP SWING MODE
CAN
SET TIMER
HEATER
Operation instructions
Operation modes
ONLY
Operation instructions
8
I FEEL
HI
h
LOW
5
SWING
ON/OFF
TEMP
SLEEP
FAN
MODE
SET
TIMER
HEATER
Do not turn the air vanes manually, or malfunction may occur. If that happens, turn off
the unit first and cut off the power supply, then restore power supply again.
Dew may be form and drip from air inlet when the unit operates at COOLING or DRY mode in
a high-humidity condition (higher than 85%).
After the unit has been used for a long time, the air inlet may be covered with dust, just wipe it
off with a soft cloth.
It is better not to allow the air vanes tilt downward for a long time at COOLING or DRY operation
mode to prevent dew from forming and dripping down.
5
Vertical airflow control
Press the SWING button of the remote controller to control
the swinging and stopping of air vanes.
Swinging airflow:
Fixed airflow:
Press the SWING button once, the
fan motor starts to operate, and the
air vanes swing vertically.
Press the SWING button when the
airflow reach your desired direction,
the fan motor stops operating, and
the air vanes stop swinging too.
(desired direction) (desired direction)
Airflow direction control
Operation instructions
9
Room temperature
Set temperature
21 ~25
Above 25
below
21
"I FEEL" mode
Electric heating mode
When you feel still not warm enough or need heat faster in heating mode,
use the electric heater as an assistance.
Operation mode
HEATING
DRY
COOLING
When you do not want to use the electrical heater, it is recommended to switch off
power supply of the electrical heater for safety.
Use remote controller to set electrical heating mode.
Press the "HEATER" BUTTON in heating mode. The HEATER indicator
on the indoor unit lights on, and the electric heater starts to function.
(When temperature reaches a certain point, the electric heater will stop
automatically, and restart once temperature decreases to a certain point.
Press the "HEATER"button in electric heating mode to cancel.
The HEATER indicator lights off, the unit returns to heating mode without
assistance of the electric heater.
Press the "ON/OFF" button, then choose the "I FEEL" mode by pressing "MODE" button.
The air conditioner will select heating, cooling or dry mode automatically and determine
set temperature and fan speed automatically according to room temperature.
Room temp decrease1.5 C
after running 3 minutes
Relation among operation mode, set temperature and room temperature
How to use the electric heater in heating mode
TIMER
HEATER
SET
CAN
MODE
SLEEP
SWING
Operation instructions
10
Timer-setting
Example: set an operation after 9.5 hours
Timer operation mode
I FEEL
I FEEL
I FEEL
HI
HI
HI
h
h
LOW
LOW
LOW
I FEEL
HI
h
LOW
1
3
2
It is convenient to set the timer on with "TIMER" button when you go out in the morning
to achieve a comfortable room temperature at the time you go home. You can also set
timer off at night to enjoy a good sleep.
Setting a switch-on
timer when the
appliance is off.
Setting a switch-off timer
during operation.
Press the TIMER button, "h" flashes on the LCD, then you can set the timer.
Each time the button is pressed, the set time increases by half an hour within 10 hours;
increases by one hour beyond 10 hours.
The timer range can be set is 0.5 hour to 24 hours.
As time goes by, LCD displays the remained time.
The previous set time is stored and the next set time begins with the previous set one.
On- timer and off-timer can not be set at the same time.
The TIMER indicator on the front panel lights up when timer is in use, and lights off
when it is finished or canceled.
The room may not reach your desired temperature within the preset time because of
different size of room.
Set the operating mode, temperature and indoor fan speed first, then
press the "TIMER" button until "9.5h" appears.
Point the remote controller at the signal receiving section of the indoor unit,
press the "SET" button when the letter "h" flashes.
A "beep" can be heard:
Timer indicator on the indoor unit lights up.
Letter "h" stops flashing.
To cancel the set timer: press the "CAN" button, a "beep" can be heard
and the timer indicator on the indoor unit lights off.
FAN
ON/OFF
TEMP
SLEEP
SWING
MODE
CAN
SET TIMER
1
1
3
2
Operation instructions
11
SLEEP operation mode
TIMER
TIMER
SET
CAN
MODE
SLEEP
TEMP
FAN
ON/OFF
I FEEL
HI
LOW
SWING
.
SLEEP mode can be set in I FEEL, DRY, COOLING or HEATING operation mode.
This function enables you have a more comfortable environment for sleep.
The unit turns off automatically after 8 hours if SLEEP mode is set.
It is recommended to use SLEEP mode together with OFF TIMER to achieve
a more economical and energy-saving operation.
After SLEEP mode is set, the set temperature rises by 1 if it operates at
cooling or dry mode for 2 hours constantly. If operates at heating mode
for 3 hours constantly, the set temperature decreases by 3 Then the temperature
becomes steady.
11
SLEEP mode
Maintenance
12
Turn off the appliance
first before disconnecting
from the power supply.
Indoor unit maintenance
Air filter maintenance
Cut off the power supply
Cut off power supply, then
approach the indoor unit
with a ladder or other safe
way.
Press the button on the air inlet
grill with both hands.
Remove the air inlet grill.
Open the air inlet grill.
Grasp the bottom corners
of the air filter and pull downward.
Remove the air filter.
Never use volatile substance
such as gasoline or polishing
powder to clean the unit.
shock!
Electric
Dangerous!
Wipe with a soft
and dry cloth.
Use lukewarm water
(below 40 ) to clean
if the appliance
is very dirty.
Never sprinkle water onto the
indoor unit
Dry the inside of the unit.
Operate the unit at FAN ONLY
mode for half a day to dry the
inside of it on a sunny day.
soft cloth to
clean it.
Use a dry and
ON
OFF
Maintenance
13
Air inlet grill cleaningAir filter cleaning
Cut off power supply, then
approach the indoor unit
with a ladder or other safe
Open the air inlet grill.
Grasp both sides of it and
remove it as shown below.
Reverse step 2 to reinstall
the air inlet grill..
Put the air filter back to the
air inlet grill.
Lock the four corners of
the air filter.
Reinstall the air inlet grill
to the indoor unit.
Remove the dusts from
the air filter with a
vacuum cleaner.
Clean it with water and
neutral detergent.
Dry it throughly in a cool
and shaded place.
Wash it with water and neutral
detergent.
Dry it throughly in a cool
and shaded place .
way.
Press the button on the air inlet
grill with both hands.
Remove the air inlet grill.
Make sure to be safe enough before climbing up to clean the unit.
Do not put it beside high heat or fire, it
may cause aging, deformation or even
burning of the plastic parts.
Cleaning
Protection
14
Features of protector Inspection
Noise pollution
Operating condition
The protective device maybe trip and stop
the appliance in the cases listed below:
HEATING
o
Outdoor air temperature is over 24 c
COOLING
DRY
o
Outdoor air temperature is below -5 c
o
Room temperature is over 27 c
o
Outdoor air temperature is over 43 c
o
Room temperature is below 21 c
o
Room temperature is below 18 c
If the air conditioner runs in "COOLING" or
"DRY" mode with door or window opened
for a long time when relative humidity is above
85%, dew may drip down from the air outlet.
The protective device will work at
following cases:
Stopping the appliance and restarting it
at once or changing mode during
operation, you need to wait 3 minutes.
Switch on power supply and turning on
the appliance at once, you need to wait
about 20 seconds.
If all operation has stopped, press
"ON/OFF" button to restart.
Set timer again if it has been canceled.
After using for a long time , the air
conditioner should be inspected on
the following items:
Overheat of the power supply cord
and plug or even a burned smell.
Abnormal operating sound or vibration.
Water leakage from indoor unit.
Metal cabinet electrified .
Stop the air conditioner if above trouble
occurs.
It is advisable to have a detail inspection
after using it for 5 years even if none of
the above occurs.
Install the air conditioner at a place
that can bear its weight in order to
operate more quietly.
Install the outdoor unit at a place
where the air discharged and the
operation noise would not annoy
your neighbors.
Do not place any obstacles in front of
the air outlet of the outdoor unit for
fear it increases the noise level.
Features of HEATING modeFeatures of HEATING mode
Preheat
It is hard to raise the room temperature when outdoor temperature is very low. Use the air
conditioner together with other heating appliance in this case.
Defrost
At the beginning of HEATING operation, the airflow from indoor unit is discharged 2-5
minutes later.
In HEATING operation the appliance will defrost (de-ice) automatically to raise efficiency.
This procedure usually lasts 2-10 minutes. During defrosting, fans stop operation.
After defrosting completes, it returns to "HEATING" mode automatically.
Troubleshooting
Trouble Analysis
Does not run
15
No cooling or
heating air
Ineffective control
Does not operate
immediately
Peculiar odor
A sound of
flowing water
Cracking sound is
heard
Spray mist from
the outlet
Is the air filter dirty?
Are the intakes and outlets of the air
conditioner blocked
Is the temperature set properly
don't run
If the protector trip or fuse is blown.
If the plug is not properly plugged.
If batteries in the remote controller exhausted.
If the protective device works to protect the
appliance.
The following cases may not always be a malfunction, please check it before asking for service.
If strong interference(from excessive static
electricity discharge, power supply voltage
abnormality)presents, operation will be
abnormal. At this time, disconnect from the
power supply and connect back 2-3 seconds later.
Changing mode during operation, 3 minutes
will delay.
This odor may come from another source
such as furniture, cigarette etc, which is
sucked in the unit and blows out with the air.
Caused by the flow of refrigerant in the
air conditioner, not a trouble.
Defrosting sound in heating mode.
The sound may be generated by the expansion
or contraction of the front panel due to change
of temperature.
Mist appears when the room air becomes
very cold because of cool air discharged
from indoor unit during "COOLING "or "DRY"
operation mode.
16
Ceiling
Roof
Wall
Drain pipe
H>250mm
Over 1000mm
Over1500mm
Over1500mm
Over 1500mm
Over 1500mm
Elevation
Elevation
Returned oil elbow
Indoor unit
Indoor unit
Outdoor unit
Outdoor unit
Installation instructions
Location for installing outdoor unit:
Height of ceiling board
Where it is convenient to install and well ventilated; avoid installing it
where flammable gas could leak.
. Keep the outdoor unit at least 100mm at least apart from the wall.
( over 500mm at the side of connecting piping)
The maximum length of connecting piping is 20m. For a connecting pipe
exceed 10m, additional refrigerant gram) should be added per meter.
if the position of outdoor unit is higher than that of indoor unit, connect an
elbow to the entry pipe of indoor unit.(as the right fig shown)
(20
When installed at a special place, e.g. a place of greasy dirt, vulcanization
gas exit or high salty seashore, make sure to adopt insulation methods.
Avoid installing at a place of greasy dirt or steam.
Normally, keep it ceiling board 2m-3.5m above the ground.
Avoid installing it at the roadside where there is a risk of muddy water.
Where your neighbors would not be annoyed by operating noise and hot
airflow discharged.
A fixed base where is not subject to increasing operation noise.
Where there is not any blockage for air outlet.
Select the installation locations
Location for installing indoor unit:
Do no put anything near the air inlet grill to obstruct it from air absorption.
The maximum connecting piping length between indoor and outdoor units
is 20m, and the maximum elevation between the units is m.10
To prevent the effects of a fluorescent lamps, keep the main unit from it
at least 5m.
Keep the unit and remote controller 1m or more apart from television,
radio etc.
Where the roof is strong enough to bear the weight of indoor unit ,
and in not tend to increasing operation sound and vibration.
Keep the required space from the unit to the ceiling, ground and wall as
the right figure shown.
Where there is no obstacle near the air outlet and air can be easily blown
to every corner.
Where drain pipe can extend t outside of the wall from the ceiling board.
It is preferable to have a special draining facility.
Installation instructions
17
Indoor unit installation
(Note: Below reference is only applicable to a house made of concrete.)
Measure the distance H between the roof surface and the ceiling board ;
Make four suspending poles with M10 screw thread on both ends (metric system)
as the below figure shown.(processed with 10 pole)
H
L1 L1
L
Value of L and L1 are calculated as below
L1=50mm (when H<255mm L1=40mm
L=1.5L1+H-230 (unit: mm)
Turn 4 attached nuts onto the thread ends on the suspending poles as shown below:
Take out the suspending poles with nut on one end, mount them on the fixed suspending bracket,
then tighten the nuts and washers on the top of the suspending brackets.
Cut an opening (880x880) on the ceiling board with assistance of the moulding board, make sure to
follow the same direction of the holes for roof bolts. Fix the edges of the opening with the
[-shaped aluminum bars.
Mount the attached suspending brackets with expand bolts M8X50 on the roof surface.
Make sure to tighten the expand bolts and nuts well. The opening of suspending brackets
should face outward as shown below.
Take out the moulding board from the packing carton of indoor unit, do not fold it, just use it to
decide an installation location and direction of the unit on the roof and ceiling.
Press the moulding board tightly onto the surface of the roof, draw out the hole position for
expand bolt with a pencil, then take off the moulding board, drill 8 holes for the expand bolts.
It is preferable if the depth of holes just reveal the thread of the poles.
18
8~13mm
4-12 18 hole
390mm
414mm
790mm
Fix the main unit onto the suspending poles with attached nuts and washer.
The nuts on the bottom should turn to about half of the thread length.
( Note: This procedure needs at least 2 persons together.)
Adjust the nuts on the bottom of the suspending poles, allow the bottom of the
unit 8-13mm higher than that of the ceiling board. (as the above figure shown)
Then adjust each corner of the bottom horizontally with a leveling ruler.
( Levelness should be within the scope of 1/100.)
Water pipe
Leveling ruler
Install it on a strong and flat surface or bracket.
Keep it at least 150mm above the ground.
Fix it well with 4 M8X60 bolts to avoid vibration or other accidents.
Outdoor unit installation
Installation instructions
19
Suction pipe connector
Gas inlet pipe connector
Hole for cords and cables
Connect to louver motor wire
Connect to remote control indicator wire
Drain pipe connector
Check water pump here
Wall hole
Piping and cable connection
Drill a wall hole if the pipes and cables through the wall
The hole should tilt a little downward as shown below for easy drainage.
For cleanness of the wall and tidiness of the piping, install a wall hole sleeve and sleeve cap.
Indoor
Indoor
Outdoor
Outdoor
Wall sleeve cap
Wall hole sleeve
5mm
(tilt downward)
Installation instructions
Installation instructions
20
Outdoor unit piping connection
Remove the nuts attached to indoor unit
When removing the nut, some gas may discharge.
it is protective gas. Then remove the plastic plug
from the pipe according to the its location.
Pipe outer dia(mm)
Model
Outer dia Model
24K
41K
Tightening torque(N.m)
A(mm)
9.53
9.53
19
9.53
9.53
10 and
16
16
19
16
34 39
34 39
98 137
12.0 12.4
12.0 12.4
73 78
18.6 19.0
23.5 24.0
apply some chilled
machine oil
Bind up all the joints of both gas and liquid pipes with thermal insulation material and fix tightly
with wrapping type. ( This procedure should be done after leak test)
Wrap the all the joints well, otherwise dew may form and drips.
The gas pipe and liquid pipe should be taped and wrapped separately.
Adjust the position of pipes, and fix them well.
Liquid pipe
Gas pipe
Insulation material
Wrapping type
Piping preparations
Measure the length of pipes according to the location and direction of indoor and outdoor units and
the wall hole.
Cut the copper tube ( ) correctly with a pipe cutter.
Make sure to completely remove the burrs from the cut cross section of pipe/tube.
Pipe connection
First align the center of flare opening and connector.
Tighten the flare nut clockwise with hands first, then
with a wrench .
Use tightening torque table on the right as a guideline.
Excessive tightening damages the flare section.
24K
41K
Installation instructions
21
Outdoor unit section
1. Remove the high and low pressure valve caps
with a wrench.
2. Remove the plastic cover for connecting pipes.
3. Align the pipe and connector with one hand,
pre-tighten the flare nut to the connector
with another hand. Then tighten it with a wrench.
(As the left figure shown)
connecting pipe
Large pipe(gas)
Small pipe (liquid)
Flare nut
Connector
Low pressure valve
High pressure valve
If the suspending section of the connecting pipes exceed 2m, a fixing bracket should be
installed for every 1.5m to support its weight.
.
Air purge
After connecting the indoor and outdoor units , evacuate air and moisture from refrigerant system using a
vacuum pump, as shown here below.
(1). Unscrew and remove caps from 2 and 3-way valves.
(4). Start vacuum pump for 10-15 minutes until reaching a vacuum of 10 mm Hg absolutes.
(6). Open 2-way valve 1/4 turn then close it after 10 seconds. Check tightness of all joints using liquid
soap or an electronic leak detector.
(7). Turn 2 and 3-way valves stem to fully the valves. Disconnect vacuum pump flexible hose.
(5). With vacuum pump still running close the low pressure knob on vacuum pump manifold. Then stop
vacuum pump.
(2). Unscrew and remove cap from service valve.
(3). Connect vacuum pump flexible hose to the service valve.
How purging air tubes:
Flow direction
R22 refrigerant
2-way valve
(6) Open 1/4 turn
valve cap
(1) Turn
(8) Tighten
(2) Turn
3-way valve
(8) Tighten
(1) Turn
(7) Turn to fully open the
valve
(7) Turn to fully open the valve
(8) Tighten
3-way valve diagram
connect to indoor unit
open position
spindle
service port cap
service
valve
connect to outdoor unit
valve core
needle
vacuum pump
indoor unit
valve cap
Installation instructions
22
Adjustment of refrigerant:
Max pipe length(m)
20
(L-10) 0.02
Drain pipe connection
Additional refrigerant(Kg)
Epoxy glue
1~1.5m
Over 1/100
After air exhaust, check all the joints of indoor and outdoor units with a halogen
detector or suds before wrapping to ensure there is no leakage.
The refrigerant volume of the models in this manual are based on
using 10m connecting pipes. If your connecting pipes are longer than10m,
additional refrigerant should be charged according to pipe length(L).
The additional refrigerant must be charged in the condition that it is running in the system.
The refrigerant should be charged to the system from the service port of the low pressure valve.
Be careful not to allow air enter the system while adding refrigerant.
Connect the large end (inner dia 25mm, outer dia 32mm) of the drain hose to the drain port
of the main unit, then clamp it well.
Measure the distance from the drain pipe to the outside of wall, then cut a PVC tube of
according to this length.
Apply epoxy glue onto the small end (outer dia 21mm) of the drain hose, then connect it to
the PVC tube.
(inner dia 22mm)
Direct the other end of the PVC tube to the outside of the wall, connect to a downward
pipe with a elbow.(make sure to stick the joints well with epoxy glue)
If the suspending section of the indoor drain pipe exceeds 2m, a supporting bracket should be made
to fix it every 1-1.5m; The drain pipe must tilt downward with a gradient over 1/100 to ensure easy
drainage. Do not allow too many bends on the drain pipe that may block water from draining.
25
25
NOTE:When adjusting R407Crefrigerant into the system, make sure to charge in liquid state.
Otherwise, chemicalcomposition of refrigerant (R407C) inside the system may change and thus
affect performance of the air conditioner.
Installation instructions
23
Make sure to keep the indoor part of the drain pipe thermal insulated.
Otherwise, the condensate may form and drip own to the ceiling board.
When the indoor section of the drain pipe is too long, follow the below methods
Dn15pipe
Below 300mm
Below 700mm
1~1.5m
When several unit drains together, follow the below methods
Collective drain pipe
Specifications of cables and cords
Electrical work
Electrical work cautions
Power cord
Electric heater
cord
Power connecting
cord
Control cable
Defrost cable
SINGLE PHASE
MODEL(24K)
3 PHASE
MODEL(24K)
3 PHASE
MODEL(41K)
1. The section area of the power core wires above is a minimum one. If the connecting cord between
indoor and outdoor units are too long, use a cable of larger section area to avoid voltage decrease.
2
2. The ground wire for the whole unit is 2.5mm which should be prepared by the user.
Keep the cables away from the compressor or fans that rotates.
All the connection must be in accordance with relevant wiring diagram, and should follow local rules.
Incorrect connection could result in damage to the unit or even a hazard.
Make sure to understand the requirements on the rating label before electrical work.
Follow the wiring diagram while carrying on electrical connection.
Use a special power supply and leakage-protection device for the air conditioner.
The indoor and outdoor units must be grounded correctly.
3 -phase
380V
3N~50Hz
3 -phase
380V
3N~50Hz
Single phase
220V~50Hz
2
3X2.5mm
Model
Power
supply
Spec. Spec.Spec. Spec.
Spec.
2X2.5mm
4X1.5mm
2X2.5mm
2
2
2
2
0.3
0.3
4X0.75mm
3X0.75mm
2
2
Installation instructions
24
Electrical work steps:
1. Remove the electrical box covers from indoor and outdoor unit.
2. Connect the power connecting cord and the control cable. Fix them effectively with a cable clamp
after connecting.
3. Must do indoor and outdoor unit ground connection. If a ground is incorrect, it may cause an electric shock.
4. After electrical connection, reassemble the removed parts.
Do not change the internal wiring optionally.
Make sure to fix the wires well. Incomplete connection or fixing of wire could result in a fire.
Power supply cord
Electric heater power cord
Defrost cable
Terminal
Control board
Control box cover
Electrical box cover
Outdoor electrical box
Electrical box cover
Electrical Wiring Diagram
Power
supply
Main switch/fuse
(prepared by user)
Main switch/fuse
(prepared by user)
Control cable
Power cable
(has polarity)
Power Supply
Outdoor
unit
Indoor
unit
The electric technician should cut proper length of cables and cords as desired, and should connect
local electrical and fire control rules.
INDOOR UNIT OUTDOOR UNIT
Power supply cord
Electric heater power cordElectric heater power cord
Power supply cord
Power supply cord
Power connecting cord Power connecting cordControl cable Control cable
Make sure to wrap the cords properly with adhesive tape after wiring work.
Electric heater power cord
Cable clamp Cable clamp
Cable clamp
Cable clamp
Cable clamp
Cable clamp
Cable clamp
Yellow/Green
Yellow/Green
Yellow/Green
Yellow
/Green
Yellow/Green
Blue
Blue
Blue
Blue
Brown
Brown
Brown
Brown
Bl
ack
Black
Black
Black
Orange
Orange
Orange
Orange
Viole
t
Violet
Violet
Violet
Yellow/Green
Blue
Blue
Brown
Red
Red
Red
White
Black
25
SINGLE PHASE MODEL
SINGLE PHASE MODEL
3- PHASE MODEL
3- PHASE MODEL
(220V/50HZ/single phase)
(380V/50HZ/3 Phase)
Installation instructions
Electrical work(For 24K)
Outdoor terminal
Outdoor terminal Outdoor terminal
Outdoor terminal
Indoor terminal Indoor terminal
Indoor terminal
Indoor terminal
Outdoor terminal Outdoor terminal
Indoor unit PCB
Defrost cable
Defrost cable
Outdoor unit Outdoor unit
Indoor unit Indoor unit
Power connecting cord and control cables
Thermistor
Indoor terminal
Matching the color when connecting the indoor and outdoor units (as shown on above figure)
1L
1L
2L
3L
2L 3L 1L
1L 2L 3L
2L 3L
Power supply cord
Electric heater power cordElectric heater power cord
Power supply cord
Power connecting cord Control cable
Make sure to wrap the cords properly with adhesive tape after wiring work.
Electric heater power cord
Cable clamp
Cable clamp
Cable clamp
Cable clamp
Yellow/Green
Yellow/Green
Blue
Blue
Brown
Brown
Black
Black
Orange
Yellow
Orange
Yellow
Viol
et
Violet
Yellow/Green
Blue
Red
Red
White
Black
White
Black
26
Installation instructions
Electrical work(For 41K)
Outdoor terminal
Outdoor terminal
Indoor terminal
Indoor terminal
Outdoor terminal
Indoor unit PCB
Defrost cable
Defrost cable
Outdoor unit
Indoor unit
Power connecting cord and control cables
Thermistor
Indoor terminal
Matching the color when connecting the indoor and outdoor units (as shown on above figure)
1L
1L 2L 3L 4L
2L 3L 4L
Blue
27
Trial run
Front panel installation
Function test
Before trial run
Switch on the appliance after the checking.
If a "beep" is heard, it basically means the unit works normally, otherwise check it again.
Since the front panel has not been installed, it can not be checked through the indicators and remote controller yet.)
Cover for checking
Checking opening
Drain port
Add some water through a funnel
Remove the cover for checking and add some water(about 2000ml) in through a funnel;
Normally, the floater switch can be seen floating up from the checking opening, and the water
pump starts to drain, which can be seen through the transparent drain port.
If not, check the electrical system of the unit again.
Only after adjustment of levelness and drain system of the unit, do the following:
Remove 4 corner panels from the air inlet grill of front panel as shown above;
After installation and piping, cable connection of both indoor and outdoor units complete,
check the following items:
if the refrigerant leaks;
if power supply complies with requirements;
If control cables and power cord have been fixed well.
Installation instructions
28
Buckle the front panel to the main unit, pay attention to
the correct direction of front panel. Two of the buckles hook inside,
the other two hook outside.
Installation instructions
Connect the three connectors of front panel to the main unit, allowing
two fan motors and remote control indicating board on the front panel
connect to the control PCB of main unit.
As the right figure shown, lift the front panel by turning
the screws of the 4 corners, until it adhere to the ceiling
board tightly. Restrict the sponge between the front panel
and indoor unit to 5-8mm, allowing each side of the unit fits
well with the front panel to avoid airflow leaks from the gap.
Adjust the tightness between the front panel and the main unit
by turning the screws clockwise or anti-clockwise.
If necessary, as the left figure shown, use a special wrench to adjust
the highness and levelness of the indoor unit, ensure that the main
unit and front panel, the front panel and ceiling board fits well.
Reinstall the air inlet grill and 4 corner panels back to the front panel.
Front panel
Main unit
Installation instructions
29
Test run
2.Check the following items during test run:
If the drainage is smooth in cooling operation.
If dew forms and drips from the cabinet or front panel after operating for a long time.
If the air vanes swing normally.
If the indicators light on normally.
If the remote controller works well.
If the temperature difference between room and the blowing-out air over 8 C after operating
for 20 minutes in cooling mode.
If the temperature difference between room and the blowing-out air over 10 C after operating
for 20 minutes in heating mode.
Indoor unit:
Outdoor unit:
If there is any abnormal sound or vibration.
If the operating noise and air discharged annoy your neighbors.
Notes
Please read this operating and installation instructions carefully before installing and using it.
Do not let air enter the refrigeration system or discharge refrigerant when moving the air conditioner.
Testing run the air conditioner after finishing installation, and record details of operation.
Rating of fuse for indoor unit controller is T5A,250V.
The fuse for the whole unit is to be provided by the user according to the current at maximum power
input or use other over-current protective device instead.
The air conditioner can operate normally and safely when ambient static pressure is 0.8-1.05 times of
standard atmosphere pressure.
1. Before test run
After installation, piping and electrical connection of both indoor and outdoor units complete,
check the following items again:
if refrigerant leaks.
if power supply complies with requirements.
If cables and cord has been fixed well.
When charging refrigerant into the system, make sure to charge in liquid state. Otherwise, chemical
composition of refrigerant (R407C) inside the system may change and thus affect performance of the
the air conditioner.
1

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