HTW LH5 Service manual

OWNER’S AND INSTALLATION
MANUAL
CASSETTE
Thanks for choossing our product.
Please, read carefully this manual
before using the product
ENGLISH
LH5
HTW-UO-052LH5 | HTW-UO-071LH5 | HTW-UO-105LH5
HTW-UOT3-140LH5 | HTW-UOT3-160LH5
HTW-C6I-052LH5 |HTW-C9I-071LH5 |HTW-C9I-105LH5
HTW-C9I-140LH5 |HTW-C9I-160LH5

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 This Air-Conditioner
The indoor unit can be installed inside the
ceiling conveniently.
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 within a 24-hour period.
Mute Operation
The excellent fan design enable the airflow
to be quiet and smooth with minimum noise.
Cassette
Save Installation Space 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.
Fault Self-diagnose Function
When there is something wrong with the air-
conditioner, the micro computer could
diagnose the faults, which can be read from
the display and is convenient for maintenance.
APPLICATION MODEL
*NOTE:
For Cooling Only Unitary Air-conditioner, use referigerant
R22.
New DC Inverter Unitary Air-conditioner
(High-Efficiency Type)
HTW-C9-071LH5
HTW-C6-052LH5
HTW-C9-105LH5
HTW-C9T3-140LH5
HTW-C9T3-160LH5

● We pursue a policy of continuing improvement in design and performance of products. The
right is therefore reserved to vary specifications without notice.
● cannot anticipate every possible circumstance that might involve a potential hazard.
● This air conditioner is designed for standard air conditioning only. Do not use this heat
pump air conditioner for other purposes such as drying clothes, refrigerating foods or for any other
cooling or heating process.
● The installer and system specialist shall secure safety against leakage according to local regulations
or standards.
● No part of this manual may be reproduced without written permission.
● Signal words (DANGER, WARNING and CAUTION) are used to identify levels of hazard
seriousness. Definitions for identifying hazard levels are provided below with their respective signal
words.
Immediate hazards which WILL result in severe personal injury or
death.
Hazards or unsafe practices which COULD result in severe personal
injury or death.
Hazards or unsafe practices which COULD result in minor personal
injury or product or property damage.
Useful information for operation and/or maintenance.
● It is assumed that this heat pump air conditioner will be operated and serviced by English speaking
people. If this is not the case, the customer should add safety, caution and operating signs in the
native language.
● If you have any questions, contact your distributor or dealer .
● This manual gives a common description and information for this air conditioner which you operate
as well as for other models.
● This air conditioner has been designed for the following temperatures. Operate it within this range.
This manual should be considered as a permanent part of the air conditioning equipment and should
Remain with the air conditioning equipment.
We
IMPORTANT NOTICE
NOTE: Heating and electric heating function are not available for cooling only models.
New DC-Inverter Unitary ( ) High-Efficiency type DC-Inverter Unitary type(18 ,24 ,36K)
KK
DC-Inverter Unitary type(48K,60K)
ON/OFF Unitary type
Cooling Only Unitary type
outdoor working temperature(℃)
maximum minimum
Cooling Operation 48 -15
Heating Operation 24 -10
outdoor working temperature(℃)
maximum minimum
Cooling Operation 48 -15
Heating Operation 24 -10
outdoor working temperature(℃)
maximum minimum
Cooling Operation 43 15
Heating Operation 24 -10
outdoor working temperature(℃)
maximum minimum
Cooling Operation 43 15
Heating Operation 24 -10
outdoor working temperature(℃)
maximum minimum
Cooling Operation 43 15

CHECKING PRODUCT RECEIVED
● Upon receiving this product, inspect it for any shipping damage .Claims for damage, either
apparent or concealed, should be filed immediately with the shipping company.
● Check the model number, electrical characteristics (power supply, voltage and frequency) and
accessories to determine if they are correct.
The standard utilization of the unit shall be explained in these instructions.
Therefore, the utilization of the unit other than those indicated in these instructions is not
recommended.
Please contact your local agent, as the occasion arises.

Contents
Safety Precautions ---
Identification of Parts --------------------------------------------------------------------------------3
1. Wire Remote Controller Introduce -------------------------------------------------------------------5
2. Operation with Wire Remote Controller --------------------------------------------------------------7
2.1 mode function -------------------------------------------------------------------------------7
2.2 sleep function
--------------------------------------------------------------------------------8
2.3 timer function --------------------------------------------------------------------------------8
2.4 flap setting
-----------------------------------------------------------------------------------8
3.Wire Remote controller installation-------------------------------------------------------------------9
4.Wireless Remote Controller Introduce---------------------------------------------------------------10
4.1. Remote Controller-H1-----------------------------------------------------------------------10
operation mode-----------------------------------------------------------------------------12
airflow direction contro
l ---------------------------------------------------------------------13
smart mode -------------------------------------------------------------------------------14
clock button
-------------------------------------------------------------------------------14
timer mode --------------------------------------------------------------------------------15
sleep mode -------------------------------------------------------------------------------16
super mode
--------------------------------------------------------------------------------16
4.2. Remote controller-J1------------------------------------------------------------------------17
operation mode-----------------------------------------------------------------------------19
airflow direction control
---------------------------------------------------------------------20
smart mode
--------------------------------------------------------------------------------21
clock button
--------------------------------------------------------------------------------21
timer mode --------------------------------------------------------------------------------22
sleep mode
--------------------------------------------------------------------------------23
super mode
-------------------------------------------------------------------------------23
4.3. Remote controller-E4-07 --------------------------------------------------------------------24
operation mode-----------------------------------------------------------------------------26
airflow direction control
---------------------------------------------------------------------27
smart mode
--------------------------------------------------------------------------------28
clock button--------------------------------------------------------------------------------28
timer mode
---------------------------------------------------------------------------------29
sleep mode --------------------------------------------------------------------------------30
super mode
--------------------------------------------------------------------------------30
5. Before Operation -------------------------------------------------------------------------------31
6. Special Remarks
--------------------------------------------------------------------------------31
7. Setting of Automatic Swing Louver -----------------------------------------------------------------31
8. Filter Cleaning
-----------------------------------------------------------------------------------32
9. Troubleshooting
---------------------------------------------------------------------------------33
-- -----------------------------------------------------------------------------1
Remote Controller Operation Manual

Contents
Diagram of Refrigerant Cycle
1.Refrigerant Flow Diagram ---------------------------------------------------------------34
2.Electrical Wiring Diagram ---------------------------------------------------------------34
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( , , , ) ---------------------------------------------
( ) --------------------------------------------------------------
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7.1 Ge ---------------------------------------------------------------------
---------------------------------------------------------
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Installation and Maintenance
1. Safety Notice 35
2. The Tools and Instrument for Installation 36
3. The Installation of the Indoor Unit 36
3.1 The Initial Check 37
3.2 Installation for 24K 36K 42K 48K 60K 39
3.3 Installation for 18K 42
4. The Installation of the Outdoor Unit 44
4.1 The Initial Check 44
4.2 Installation 44
4.3Tuber Length between Indoor and Outdoor 45
5. Refrigerant Pipe 46
5.1 The Pipe Material 46
5.2 The Connection of the Piping 46
6. Drain Piping 48
7. Electrical Wiring 50
neral Check
ctrical Wiring Connection 51
53
-
-
--
,-
-
-
50
7.2 Ele -
8.Test Run ----------------------------------------------------------------------------52
9. Common -

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.
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.
It is the user's responsibility to make the
appliance be grounded according to
local codes or ordinances by a licenced
person.
OFF OFF
OFF
ON
ON ON
1
Warning: Incorrect handling could
cause a serious hazard, such as death,
serious injury,etc.
Used correct power supply in
accordance with the rating plate
requirement .
Otherwise, serious faults
may be occur or a fire may be break out
Safety Precautions

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
Room temperature is over 27 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.
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.
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.
Safety Precautions
2

Indoor unit
outdoor unit
Identification of Parts
3
Indoor unit
24K,36K,42K, 60K48K,
18K,24K,36K
18K
42K,48K,60K
Note:
Consequently, the shape may differ from that of the air conditioner you have selected.
This figure is based on the external view of a standard model.

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.
Display Panel
Wire remote controller Wireless remote controller
Signal receiving section
Emergency switch
Defrost Filter Timer
Identification of Parts
4
18K
24K,36K, 48K,60K42K,
It lights on when timer is in use.
It rings when
.
the signal from
Remote controller is received
It lights on when the filter
should be cleaned.
The filter clean is resetted
if press the switch .
It lights on during the defrost.
It lights off when defrost finishes.
Receives signal from
the remote controller.
Timer indicator ( ) Green
buzzer
Filter clean ()Yellow
Emergency switch
Defrost indicator ( )Yellow
Signal receiving section
It lights on during operation.
It lights off all when setting
SLEEP mode.
Run indicator ( )RED
It lights off when timer finishes.
You can control the air-conditioner with the wire remote controller and wireless remote controller.
It is used for controlling power ON/OFF,
setting the running mode, temperature,
fan speed and other functions.
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
FAN
MODE
TIMER ON
CLOCK
I
FEEL
TIMER OFF
SLEEP
SWING
SMART
SUPER
O
ON
OFF
ON/OFF
MODE FA N
SLEEP SUPER
SMART IFEEL DIMMER
TIMER ON TIMER OFF CLOCK
ON
OFF
SWING
SWING
ON
OFF
MODE
SMART
QUIET DIMMER
ECONOMY
FEEL
SUPER
FAN SPEED
CLOCK
TIMER ON TIMER OFF
SLEEP
TEMP.
TEMP.
确定