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OB207t-1qxp 25/9/97 8:51 PM Page 1
TCL
WALL MOUNTED
SPLIT-TYPE AIR CONDITIONERS
SERVICE MANUAL
No.TE051220
Models
TAC-09CHSA/GI TAC-12CHSA/GI
CONTENTS
1.
IMPORTANT NOTICE
···································2
2.
TECHNICAL SPECIFICATION
·····················3
3.
OPERATION DETAILS
·······························
4
4.
WIRING DIAGRAM
·············
11
5.
EXPLOSION VIEW
····························
12
6.
PARTS LIST
·············
13
TCL Air Conditioner Service Manual
IMPORTANT NOTICE
This service manual is intended for use by individuals possessing adequate backgrounds of electrical, electronic and mechanical experience. Any attempt to repair the appliance may result in personal injury and property damage. The manufacturer or seller cannot be responsible for the interpretation of this information, nor can it assume any liability in connection with its use.
The information, specifications and parameter are subject to change due to technical modification or improvement without any prior notice. The accurate specifications are presented on the nameplate label.
How to order spare parts
To have your order filled promptly and correctly, please furnish the following information:
1. Model No. with Indoor or Outdoor
2. No. in the Explosion View
3. Part Name
4. The quantity you ordered
2
TCL Air Conditioner Service Manual
Model No.
Type
Control type
Rated cooling capacity
Rated heating capacity
Moisture removal
High
Med.
Low
Btu/h
Btu/h
Liters/h dB(A) dB(A) dB(A) dB(A)
Technical Specifications
TAC-09CHSA/GI
heating pump
TAC-12CHSA/GI
heating pump remote remote
9,000(3,800~10,500) 12,000(5,200~13,500)
10,250(4,200~13,000) 13,800(5,500~16,500)
37 38
Indoor noise level at cooling
Outdoor noise level
Electrical Data
Power supply
Voltage Range
52 55
220-240V~/50Hz
Rated current
V
Cooling A
Heating A
Cooling W
Heating W
158-260
3.6
3.8
780
820
158-260
4.9
5.2
1060
1120 Rated input
Refrigerating System
Refrigerant/Charge
Compressor
Evaporator
Condenser
Expansion device
Defrosting system
Fan System
Indoor air circulation/Hi Cooling
Indoor fan type
Type
Model
LRA
MFG
Gram
A
410A/780g
Rotary
DA108X1C-20FZ3
Toshiba
410A/1080g
Rotary
DA108X1C-20FZ3
Toshiba
Louver fin and Grooved tube type (φ7)
Corrugated fin and Grooved tube type (φ9.53)
Capillary tube
Microcomputer controlled reverse system
Indoor fan speed H/M/L
Outdoor fan type
Outdoor fan speed m
3
/h
Cooling rpm
Heating rpm
Dry
Sleep rpm rpm rpm
450
Cross Flow
1300/1280/1100/950
1300/1280/1100/900
950
950/900
Propeller fan
850
480
Cross Flow
1330/1300/1150/1000
1320/1300/1100/900
1150
1000/900
Propeller fan
850
Connections
Refrigerant coupling
Gas Inches 3/8'' 1/2''
Connecting Pipe
Liquid Inches 1/4'' 1/4''
Connecting Wiring
4×1.5 4×1.5
Drainage Pipe
Others
Suitable area
Net dimensions
(W x H x D)
Net weight
Packing dimensions
(W x H x D)
Gross weight low temp. start-up high temp. start-up m
2
Indoor mm
Outdoor mm
Indoor kg
Outdoor kg
Indoor mm
Outdoor mm
Indoor kg
Outdoor kg
℃
℃
9-15
770*240*180
760*560*260
8.5
30
883*325*271
863*598*381
10.5
33
-15
52
12-19
770*240*180
760*560*260
8.5
34
883*325*273
863*598*383
10.5
37
-15
52
O.D.16mm
Note:The technical specifications is only reference.
3
Operation Details
TCL Air Conditioner Service Manual
Remote controller
Remote controller
The remote controller transmits signals to the system.
5
2
8
4
FEEL
COOL
DRY
FAN
HEAT
SLEEP TIMER ON TMIER OFF
AUTO
HIGH
MID
LOW
SWING
SLEEP
TIMER
MODE
FAN
SWING
ON/OFF
1
3
7
6
1
2
ON/OFF button
Used to start and stop operation when pressed.
TIMER button
Used to select TIMER operation.
3
4
5
6
7
8
UP button (TOO COOL button)
Used to increase the set room temperature
and time.
DOWN button (TOO WARM button)
Used to decrease the set room temperature and time.
SLEEP button
Used to set or cancel sleep mode operation.
VANE control button
Used to adjust airflow direction.
FAN SPEED control button
Used to select the indoor fan motor speed:
Auto, High, Mid and Low.
MODE button
Used to select the type of operation mode: Feel,
Cooling, Dry, Fan and Heating(Only for Heat Pump).
Note: Each mode and relevant function will be further specified in following pages.
Remote Control
The remote controller is not preset ted as Cooling Only Air Conditioner or Heat Pump by manufacturer.
Each time after the remote controller replace batteries or is energized, the arrowhead will flashes on the front of
Heat or Cool on LCD of the remote controller.
User can preset the remote controller type depending on the air conditioner type you have purchased as follows:
Press any button when the arrowhead flashes on the front of Cool , Cooling Only is set.
Press any button when the arrowhead flashes on the front of Heat , Heat Pump is set.
If you don t press any button within 10 seconds, the remote controller is preset as Heat Pump automatically.
Note :
If the air conditioner you purchased is a Cooling Only one, but you preset the remote controller as Heat Pump, it doesn t bring any matter. But if the air conditioner you purchased is a Heat Pump one, and you preset the remote controller as Cooling Only, then you CAN NOT preset the Heating operation with the remote controller.
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TCL Air Conditioner Service Manual
Electronic Controller
(1) Time Delay for Safety protection z 3 minutes delay for compressor ---The compressor is ceased for 3minutes before restarting to balance the pressure in the refrigeration cycle in order to protect the compressor. z 2 minutes delay for 4-way valve---The 4-way valve will be ceased for 2 minutes late after compressor to prevent the refrigerant-gas abnormal noise when the HEATING operation is OFF or switch to the other operation mode.
(2) Discharge temperature protection
There is a temperature sensor on top of compressor, when temperature on top of compressor exceeded the limit, system control will shut down the compressor and the display board will show the error code.
(3) lower voltage protection
When AC voltage ≤158V and keep it for 10 seconds, unit will be shut down for protection.
(4) Over voltage protection
When AC voltage ≥260V, unit will be shut down and recover while AC≤255V.
(5) Over current protection
When the current of outdoor unit is overload, controller shut down the unit immediately and show error code.
(6) Compressor abnormity protection
When compressor start on or in the process of running, if there is no feedback to controller or load of compressor is abnormity, the air conditioner will shut down, and show error code.
(7) IPM module protection
IPM module has high temperature & over current protection itself, if there is signal feedback to IPM, the outdoor unit will shut down, LED on outdoor PCB will show the error code.
2. “I Feel” Mode Operation
(1) When the “I Feel” mode is selected, the operation mode and initial temperature set are determined by the initial room temperature at start-up of the operation except to turn off the air conditioner and operates it again.
(2) If the mode is change to “I Feel” from other mode, the “I Feel” mode doesn’t operate until compressor stop for more than 3 minutes.
Mode
COOLING
Initial Room Temperature Initial Set Temperature
RT≥26℃ 23℃
DRY
26℃>RT≥20℃ RT-2℃
HEATING for Heat Pump
FAN for Cooling Only
RT<20℃ - z In the “I Feel” mode, when the controller receives the up or down sig nal of temperature, the set temperature can adjust by 1℃ upper or lower. The biggest you can adjust by
2℃ upper or lower.
3. “COOLING” Mode Operation
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TCL Air Conditioner Service Manual
(1) Compressor frequency control
According to difference room temperature and set temperature(δt = RT-ST), running frequency of compressor is controlled by electronic controller. When room temperature is much higher than set temperature, compressor will start at a high frequency, and as room temperature goes down, compressor running frequency will go down. When room temperature is lower than set temperature, compressor will run at very low frequency. In general, unit will change its running frequency according toδt to make room temperature closing to set temperature.
(2) Outdoor temperature affects running frequency of compressor
Outdoor temperature affect compressor’s running frequency. Difference inlet temperature of outdoor unit is adapted by difference compressor running frequency. While outdoor temperature is about 30℃, the compressor will run in high frequency.
If unit run in “cooling” mode and outdoor temperature is less than -1℃,controller will shut down compressor and show error code, while the ambient temperature is over 0℃, the compressor will run automatically.
(3) Auto fan control in cooling mode
In cooling mode (include cooling in “I feel” mode), fan speed is determined by δt, as the following diagram:
RT-ST
δt come down
℃
3.5
high fan
δt come up
3.0
1.5
1.0
midium fan low fan
(1) The system for DRY operation used the same refrigerant circle as the cooling one.
(2)
When the system operates in DRY mode, at first it operates in cooling mode at 16℃ or
18℃ for 3 minutes. After that, the system will operate in cooling mode with lowest fan speed, meanwhile the set temperature (ST) is “RT-2℃” which means that the ST is room temperature at then minus 2. During the course of this mode, the fan speed set operation and room temperature set are restricted, except the vane motor adjusting.
5. “HEATING” Mode Operation (available for Heat Pump only)
The same as the frequency control in cooing mode, running frequency of compressor is controlled by controller. Unit change its running frequency according to δt to make room temperature closing to the set temperature.
(2) Indoor fan motor control
1. Cold Air Prevention Control z The function is intended to prevent cold air from being discharged when the heating operation starts or when defrosting. z The indoor fan speed will be controlled as following.
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TCL Air Conditioner Service Manual
37℃
33℃
25℃
T e m p e r a t u r e u p s e t t i n g l o w f a n b r e e z e s t o p
34℃
30℃
22℃
T e m p e r a t u r e d o w n z In the heating operation, if the air conditioner is turned off, the indoor fan motor will run most for 30 seconds since the stop of compressor.
2. Auto fan control (heating)
In heating mode(include in “I feel” mode) , fan speed is determined by δt, as the following:
R T - S T
℃
3 . 5
3 . 0
δ t c o m e d o w n h ig h fa n
1 . 5
1 . 0
δ t c o m e u p m id iu m fa n lo w fa n
In heating mode, 4-way valve will power on ahead of compressor for 5 seconds, and cut off for 2 minutes later than compressor’s stop. 4-way valve will not power off unless the machine is switched off, mode changed or on the process of defrosting.
(4) Defrosting
Defrosting is controlled by the microprocessor.
When one of the following conditions is satisfied, unit will come into defrosting: a. Outdoor heat exchanger Temperature (OPT) is continuously less than 3℃ while the unit runs for more than 40 minutes, and OPT is keeping under -6℃ for more than 3 minutes. b. Outdoor heat exchanger Temperature (OPT) is continuously less than 3℃ meanwhile the unit runs for more than 80 minutes, and OPT is keeping under -4℃ for more than 3 minutes. c. Outdoor heat exchanger Temperature (OPT) is continuously less than 3℃ while the unit runs for more than 120 minutes, and OPT is keeping below -2℃ for more than 3 minutes.
Before the air con come into defrosting, compressor running frequency drop down to a lower frequency firstly, then the compressor shuts down.
In defrosting, the max. frequency of compressor is F9 (a little less than the highest frequency ). In this period all protection function are avaliable.
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TCL Air Conditioner Service Manual c o m p r e s s o r
O N
O F F
4 - w a y v a lv e
O N
O F F o u t d o o r fa n m o t o r
O N
O F F
2 0 s 1 0 s ≤ 1 0 m 2 0 s 1 0 s
In defrosting, LED showing by winking.
Come into or out of defrosting, indoor fan motor speed is the same as Cold Air Prevention
Control.
One of the following conditions is satisfied, unit come out of defrosting and shift to heating mode:
a. Outdoor coil Temperature (OPT) ≥15℃
b. Defrost time keep time for more than 10 minutes.
(
5) Indoor exchanger overheat protection
When Indoor exchanger Temperature(IPT) is higher than 55 ℃ , unit come into indoor exchanger overheat protection. Compressor drop its frequency toward to F1 level until IPT≤52
℃; If IPT≤52℃ and keep for 5 minutes , control system don’t limit running frequency.
If IPT>62℃, control system shut down compressor, and recover when IPT drop less than 50℃.
6. “SLEEP” mode
When the SLEEP button is pressed, the SLEEP mode is selected as following: z The indoor fan speed is set at low speed, the power lamp and the sleep lamp is on, the display of temperature will be close after 5 minutes.
z When selecting COOLING/DRY operation with SLEEP mode, the set temperature will be raised by 1℃ 1 hour later and by 2℃ 2 hour later. z When selecting HEATING operation with SLEEP mode, the set temperature will be dropped by 1℃ 1 hour later and 2℃ 2hour later. z After the System operates in SLEEP mode for 8 hours, it will stop automatically.
7. EMERGENCY Operation
When the EMERGENCY Operation switch is pressed once, COOLING mode is selected and if in 3 seconds the EMERGENCY Operation switch is pressed again, mode is selected. Then pressed once again, the unit is switch off.
When the remote controller is missing, has failed or the batteries run down, press the
EMERGENCY Operation switch on the front of the indoor unit. The unit will start.
The first 30 minutes of operation will be the test run operation. The operation is for servicing.
The indoor fan runs at high speed and the system is in continuous operation. The thermostat is
ON and the timer is reset to normal.
After 30 minutes of test run operation the system shifts to AUTO COOLING/HEATING mode, and the indoor fan runs in automatic speed. The operation continues unit the EMERGENCY operation switch is pressed or a button on the remote controller is pressed, the normal operation will start.
NOTE: Do not press the EMERGEMCY Operation switch during normal operation.
8. AUTO-RESTART Function (Option)
1. When air conditioner is operating in one mode, all of its operation data, such as working mode and temperature of setup would be memorized into IC by main PCB. If power cuts due to
8
TCL Air Conditioner Service Manual some reason, when power supply come back again, the AUTO-RESTART function will set synchronously and automatically to work. So the air conditioner would work at the same mode before.
Auto-restart Pre-setting (optional)
:
If Auto-restart function is needed, follow the steps below to activate this function:
1) Pulling the air-con's plug out of socket.
2) Pressing and holding the Emergency button (ON/OFF) on the indoor, then insert the plug into the socket again.
3) Keep pressing the Emergency button for more than 10 seconds until three short beeps are heard. The Auto-restart function has been started.
9. Protection and Failure Display
z When protection display is available, controller will show error code, digital LED shows error code and setting temperature by turns. z If there is more than one failure, it will show at first that in front of the error list. z Protection display function can be selected in hardware, and the default don’t display; z To insure of in and out communist is credibility, the failures relate to outdoor unit will remain failure state for 2 minutes max after recovered. z In all failures, only sensor failures don’t have to repower to cancel. z Error list
Failure type
In and out communication failure
Outdoor communication failure
Outdoor sensor
Indoor coil temperature sensor
Outdoor coil temperature sensor
System abnormity
LED CODE
RUN、TIMER –both winking
RUN、TIMER –both winking
RUN-1 time/8s
RUN-2 times /8s
RUN-3 times /8s
RUN-4 times /8s
DIGITAL LED CODE
E0
EC
E1
E2
E3
E4
E5
Type mismatch
Indoor fan motor
Outdoor temperature sensor
Discharge temperature sensor
Invert module abnormity
RUN-5 times /8s
RUN-6 times /8s
RUN-7 times /8s
RUN-8 times /8s
RUN-9 times /8s
E6
E7
E8
E9
Current sensor
EEPROM failure
Top of compressor temperature switch
Voltage sensor
9
RUN-11 times /8s
RUN-12 times /8s
RUN-13 times /8s
RUN-14 times /8s
EA
EE
EP
EU
5
6
7
8
9
10
1
2
3
4
11
12
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TCL Air Conditioner Service Manual
Protection display code list:
Protection type higher or lower voltage
LED CODE
RUN-winking,TIMER-1 time/8s
DIGITAL LED CODE
P1
Over current
Discharge temperature
RUN- winking,TIMER-2 times /8s
RUN- winking,TIMER-4 times /8s
P2
P4
Over cooling in cooling mode
Over heating in cooling mode
RUN-light,TIMER-5 times /8s
RUN- light,TIMER-6 times /8s
P5
P6
P7
Over heating in heating mode
Outdoor temperature too high or low
Drive protection(Overload)
RUN- light,TIMER-7 times /8s
RUN- light,TIMER-8 times /8s
RUN- winking,TIMER-9 times/8s
P8
P9
Module self protection RUN- winking,TIMER-10 times/8s P0 z Outdoor failure display
There is a LED on outdoor power board, when compressor is running; it is normally light; when no feedback of signal to power board from compressor, it will wink by lighting 1s and going out 1s. If failures happened, it will light 0.5s, go out 0.5s, winking several times and go out 3s for a cycle to indicate failures. The failure list is the follow:
Wink time Failure
IPM protection higher or lower voltage
Over current
Discharge temperature too high
Outdoor coil temperature too high
Drive abnormity
Communication abnormity with indoor unit
Compressor over heat(switch on top of compressor)
Outdoor air temperature sensor failure
Outdoor coil temperature sensor failure
Outdoor discharge pipe temperature sensor failure
Voltage sensor failure
Current sensor failure
15 Outdoor communication abnormity
16 DC fan motor no feedback
17 defrosting
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TCL Air Conditioner Service Manual
Wiring diagram
Model: TAC-09CHSA/GI, TAC-12CHSA/GI
Indoor unit:
Outdoor Unit:
1
1
TCL Air Conditioner Service Manual
EXPLOSION VIEW
Indoor unit
Model: TAC-09CHSA/GI, TAC-12CHSA/GI
1
2
TCL Air Conditioner Service Manual
PART LIST
Indoor unit
Model: TAC-09CHSA/GI
No. Part No.
20 1070250109
Part Name
Terminal fixing board
25 1070320111 Indoor motor cover
30
Temperature assembly
1073030303 Remote controller supporter
Remark Q’ty
1
1
1
1
1
1
2
1
2
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1 view
1
1
1
3
TCL Air Conditioner Service Manual
PART LIST
Indoor unit
Model: TAC-12CHSA/GI
No. Part No.
20 1070250109
Part Name
Terminal fixing board
25 1070320111 Indoor motor cover
30
Temperature assembly
1073030303 Remote controller supporter
Remark Q’ty
1
1
1
1
1
1
2
1
2
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1 view
1
1
1
4
TCL Air Conditioner Service Manual
EXPLOSION VIEW
Outdoor unit
Model: TAC-09CHSA/GI, TAC-12CHSA/GI
1
5
TCL Air Conditioner Service Manual
PART LIST
Outdoor unit
Model: TAC-09CHSA/GI
No. Part No.
4
7
14
17
26
1080050004
1080050001
1120250427
1120250428
Part Name
Outdoor motor supporter
Left grille supporter
Three-way valve connecting pipe
Condenser connecting pipe
1170230007 Pipe Temp. sensor and outdoor Temp. sensor
Discharge sensor
Q’ty
1
1
1
1
1
1
2
1
2
1
1
Remark
1
1
1
1
1
1
1 750*350*8
1
1
1
1
1
1
1
1
1
32 1170100010 Fan motor capacitor
1
1
1
1
1
1
1
1
6
PART LIST
Outdoor unit
Model: TAC-09CHSA/GI
No. Part No.
TCL Air Conditioner Service Manual
Part Name
1
7
Q’ty
1
1
Remark
TCL Air Conditioner Service Manual
PART LIST
Outdoor unit
Model: TAC-12CHSA/GI
No. Part No.
1 1080050026
2 1080050011
3 1110050069
4 1080050004
5 1170040058
6 1070030016
7 1080050001
8 1080050007
10 1080320112
11 1100060052
12 1140020004
13 1120500226
14 1120321531
15 1120321529
16 1120321530
17 1120321532
18 1120321525
19 1140020011
Three-way valve connecting pipe
Condenser connecting pipe
21 1080050002
22 1120120021
23 1210250121 Base
24 1120130032
25 1170190003
26 1170200061
Inductor
Pipe Temp. sensor and outdoor Temp. sensor
Discharge sensor 28 1170230006
29 1070320202
30 1070040007
31 1170200061
32 1170100010
33 1070320207
Terminal
Fan motor capacitor
35 1090321113
36 1090320003
37 1170330001
Part Name
Grille
Condenser
Outdoor motor supporter
Left grille supporter
Radiator
18
Q’ty
1
1
1
1
1
1
2
1
Remark
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
PART LIST
Outdoor unit
Model: TAC-12CHSA/GI
No. Part No.
TCL Air Conditioner Service Manual
Part Name Q’ty
1
1
Remark
19
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