FILE NO. SVM-01006
SERVICE MANUAL
AIR-CONDITIONER
SPLIT WALL TYPE
RAS-24UKHP-ES / RAS-24UAH-ES RAS-24UKP-ES / RAS-24UA-ES RAS-18UKHP-ES / RAS-18UAH-ES RAS-18UKP-ES / RAS-18UA-ES
18 Class |
24 Class |
1.SPECIFICATIONS
2.CONSTRUCTION VIEWS
2-1 Indoor Unit
2-2 Outdoor Unit (RAS-24UAH-ES,24UA-ES) 2-3 Outdoor Unit (RAS-18UAH-ES, 18UA-ES)
3.WIRING DIAGRAM
3-1 RAS-24UKHP-ES/24UAH-ES 3-2 RAS-24UKP-ES/24UA-ES 3-3 RAS-18UKHP-ES/18UAH-ES 3-4 RAS-18UKP-ES/18UA-ES
4.SPECIFICATION OF ELECTRICAL PARTS
4-1 Indoor Unit (RAS-24UKHP-ES,18UKHP-ES) 4-2 Outdoor Unit (RAS-24UAH-ES)
4-3 Outdoor Unit (RAS-18UAH-ES)
4-4 Indoor Unit (RAS-24UKP-ES, 18UKP-ES) 4-5 Outdoor Unit (RAS-24UA-ES)
4-6 Outdoor Unit (RAS-18UA-ES)
5.REFRIGERATION CYCLE DIAGRAM
5-1 RAS-24UKHP-ES/24UAH-ES 5-2 RAS-24UKP-ES/24UA-ES 5-3 RAS-18UKHP-ES/18UAH-ES 5-4 RAS-18UKP-ES/18UA-ES
6.CONTROL BLOCK DIAGRAM
6-1 RAS-24UKHP-ES, 18UKHP-ES 6-2 RAS-24UKP-ES, 18UKP-ES
7.OPERATION DESCRIPTION
7-1 Outline of Air Conditioner Control
7-2 Description of Operation Circuit
7-3 ECO Mode
7-4 Hi POWER Mode
7-5 High-Temperature Limit Control
7-6 Low-Temperature Limt Control
7-7 Defrosting Operation
7-8 Auto Restart Function
7-9 Filter Check Lamp
– 1 –
TCTC Service Manual 18/24UKHP-ES (EN) File No. SVM-01006
8.INSTALLATION PROCEDURE
8-1 Safety Cautions
8-2 Installation Diagram of Indoor and Outdoor Units 8-3 Installation
8-4 Indoor Unit
8-5 Outdoor Unit
8-6 Others
9.TROUBLESHOOTING CHART
9-1 Troubleshooting Procedure
9-2 Basic Check Items
9-3 Primary Judgement
9-4 Self-Diagnosis by Remote Control (Check Code) 9-5 How to Diagnose Faulty Part
9-6 Troubleshooting for Indoor Unit
9-7 Troubleshooting for Wiring (Interconnect cable and Serial Signal Wire) 9-8 Troubleshooting for P.C. Board
9-9 Troubleshooting for Remote Control
10. PART REPLACEMENT
10-1 Indoor Unit
10-2 Outdoor Unit (RAS-24UAH-ES, 24UA-ES)
10-3 Outdoor Unit (RAS-18UAH-ES, 18UA-ES)
11. EXPLODED VIEWS AND PARTS LIST
11-1 Indoor Unit (1)
11-2 Indoor Unit (2)
11-3 Outdoor Unit
•This air conditioner is charged with HFC (R-410A) that does not deplete the Ozone layer.
•This air conditioner requires special service tools for the refrigerant R-410A.
– 2 –
TCTC Service Manual 18/24UKHP-ES (EN) File No. SVM-01006
1. SPECIFICATIONS
ITEM |
MODEL |
RAS-24UKHP-ES/24UAH-ES |
RAS-24UKP-ES/24UA-ES |
RAS-18UKHP-ES/18UAH-ES |
RAS-18UKP-ES/18UA-ES |
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Cooling |
Heating |
Cooling |
Cooling |
Heating |
Cooling |
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Capacity |
kW |
220V |
240V |
220V 240V |
220V |
240V |
220V 240V |
220V |
240V |
220V |
240V |
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6.30 |
6.30 |
6.80 |
6.90 |
6.40 |
6.45 |
5.00 |
5.05 |
5.45 |
5.55 |
5.05 |
5.10 |
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Phase |
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1ø |
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Power source |
V |
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220-240 |
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Hz |
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50 |
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Power consumption |
kW |
2430 |
2510 |
2430 2530 |
2360 |
2440 |
1850 1900 |
1750 |
1830 |
1820 |
1870 |
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Power factor |
% |
96 |
92 |
96 |
92 |
96 |
92 |
98 |
97 |
98 |
97 |
98 |
97 |
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220V |
240V |
220V 240V |
220V |
240V |
220V 240V |
220V 240V |
220V |
240V |
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Running current |
A |
0.3/ |
0.3/ |
0.3/ |
0.3/ |
0.3/10.9 |
0.3/10.8 |
0.2/ |
0.2/ |
0.2/ |
0.2/ |
0.2/8.2 |
0.2/7.8 |
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Indoor / Outdoor |
11.2 |
11.1 |
11.2 |
11.2 |
8.4 |
8.0 |
7.9 |
7.7 |
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Starting current |
A |
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54 |
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47 |
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Moisture removal |
lit/h |
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2.5 |
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2.7 |
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2.0 |
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2.0 |
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Indoor (H/M/L) |
dB |
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45/41/37 |
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42/39/35 |
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Noise |
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56-57 |
57-58 |
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56-57 |
51-52 |
52-53 |
51-52 |
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Outdoor (220-240V) dB |
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Name of refrigerant |
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R410A |
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Refrigerant |
kg |
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1.6 |
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1.3 |
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1.2 |
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Rated amount |
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Refrigerant control |
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Capillary tube |
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Gas side size |
mm |
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Ø 12.7 |
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Connection type |
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Flare connection |
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Liquid side size |
mm |
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Ø 6.35 |
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Interconnection |
Connection type |
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Flare connection |
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pipe |
Maximum lenght |
m |
15*1 |
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15*1 |
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15*1 |
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15*1 |
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(One way) |
25*2 |
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25*2 |
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20*2 |
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20*2 |
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Maximum height difference |
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m |
10 |
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10 |
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8 |
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8 |
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INDOOR UNIT |
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RAS-24UKHP-ES |
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RAS-24UKP-ES |
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RAS-18UKHP-ES |
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RAS-18UKP-ES |
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Height |
mm |
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298 |
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Dimensions |
Width |
mm |
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998 |
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Depth |
mm |
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208 |
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Net weight |
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kg |
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12 |
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Evaporator type |
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Finned tube |
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Indoor fan type |
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Cross flow fan |
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High fan |
m3/h |
950 |
950 |
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950 |
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750 |
800 |
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750 |
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Air volume |
Medium fan |
m3/h |
750 |
800 |
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750 |
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650 |
700 |
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650 |
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Low fan |
m3/h |
600 |
650 |
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600 |
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530 |
570 |
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530 |
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Fan motor output |
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W |
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30 |
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Air filter |
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Honeycomb woven filter with PP frame |
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OUTDOOR UNIT |
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RAS-24UAH-ES |
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RAS-24UA-ES |
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RAS-18UAH-ES |
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RAS-18UA-ES |
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Height |
mm |
690 |
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690 |
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538 |
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538 |
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Dimensions |
Width |
mm |
880 |
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880 |
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830 |
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830 |
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Depth |
mm |
310 |
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310 |
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300 |
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300 |
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Net weight |
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kg |
67 |
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64 |
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51 |
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50 |
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Condenser type |
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Finned tube |
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Outdoor fan type |
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Propeller fan |
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Airflow volume |
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m3/h |
3400 |
3600 |
3400 |
3600 |
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3400 |
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3600 |
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1800 |
2000 |
1800 |
2000 |
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1800 |
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2000 |
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Fan motor output |
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W |
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65 |
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42 |
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Compressor |
Model |
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PA290X3F-4MS |
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PA225X3F-4L |
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Output |
W |
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2200 |
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1500 |
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Safety device |
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IOL, Td Sensor, |
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IOL, Case Thermo |
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IOL, Td Sensor |
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IOL, Case Thermo |
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Louver type |
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Automatic louver |
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Usable outdoor temperature range |
°C |
15 ~ 43 |
-10 ~ 24 |
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15 ~ 43 |
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15 ~ 43 |
-10 ~ 24 |
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15 ~ 43 |
– 3 –
TCTC Service Manual 18/24UKHP-ES (EN) File No. SVM-01006
Note : 1
• Capacity is based on the following temperature conditions.
|
Condition |
|
JIS C9612-1994 |
Temperature |
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Cooling |
Heating |
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Indoor unit inlet air temperature |
(DB) |
27 °C |
20 °C |
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(WB) |
19 °C |
12 °C |
Outdoor unit inlet air temperature |
(DB) |
35 °C |
7 °C |
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(WB) |
24 °C |
6 °C |
Note : 2
• Charge refrigerant according to the table below.
|
Refrigerant |
RAS-24UKHP-ES/24UAH-ES |
RAS-18UKHP-ES/18UAH-ES |
|
RAS-24UKP-ES/24UA-ES |
RAS-18UKP-ES/18UA-ES |
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*1 |
No need to charge |
15m or less |
15m or less |
|
refrigerant |
||
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*2 |
Need to charge |
Over 15m up to 25m (20g/m) |
Over 15m up to 20m (20g/m) |
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refrigerant |
||
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– 4 –
TCTC Service Manual 18/24UKHP-ES (EN) File No. SVM-01006
2. CONSTRUCTION VIEWS
2-1. Indoor Unit RAS-24UKHP-ES RAS-24UKP-ES RAS-18UKHP-ES RAS-18UKP-ES
Back body |
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Front panel |
998 |
208 |
Grille inlet |
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298 |
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75 |
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75 |
7 |
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8 |
51 |
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50 |
Knock out system |
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Knock out system |
50 |
75 56
55 or more |
Minimum distance to ceiling |
Outline of indoor unit
298
160
Connecting pipe (0.39m) |
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Drain hose (0.54m) |
57 |
18 |
(Flare ø12.7) |
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Connecting pipe (0.49m) |
Wireless remote |
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(Flare ø6.35) |
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control |
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998 |
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763.5 |
For stud bolt (ø6) |
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450 |
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For stud bolt (ø8 – ø10) |
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20 |
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20 |
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48 |
10 |
29 |
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41 |
48 |
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55 55 |
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55 |
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ø65
100 |
Installation |
100 |
Plate outline |
– 5 –
ø65
40
TCTC Service Manual 18/24UKHP-ES (EN) File No. SVM-01006
2-2. Outdoor Unit RAS-24UAH-ES RAS-24UA-ES
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ø12x18-4 ø8for – ø10 |
bolt |
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of anchor bolt |
600 |
600 or |
more |
Airinlet |
600 |
or more |
anchor |
Electric |
Parts cover |
Liquid side |
(Flare ø6.35) |
Gas side |
(Flare ø12.7) |
ServicePort |
12 |
364 |
Mountingdimension |
or100 |
more |
100 moreor |
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23 |
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12 |
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outletAir |
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310 |
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(pitch)340 |
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6852 |
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Handle |
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88 |
74 |
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ø25 Drain outlet 140
120 |
600 |
bolt) |
880 |
A |
4-ø12x18 holes |
(for ø8 – ø10 anchor |
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8.63 |
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690 |
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340 |
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Drawing |
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hole |
600 |
27 |
ø12x18 |
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Detail |
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50 |
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A |
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340 |
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– 6 –
Handle
TCTC Service Manual 18/24UKHP-ES (EN) File No. SVM-01006
2-3. Outdoor Unit RAS-18UAH-ES RAS-18UA-ES
|
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or more |
4xø11x14 for ø8-ø10 |
anchor bolt |
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600 |
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dimension |
600 Air inlet |
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600 or more |
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Installation |
more |
Air inlet |
more Air |
outlet |
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or |
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or |
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100 |
325 |
100 |
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8-ø6 holes (for fixing outdoor unit) 6-ø11x14 holes (for ø8 – ø10 anchor bolt)
Electric Parts cover |
Liquid side (Flare ø6.35) |
Gas side (Flare ø12.7) |
344
Service Port
54 |
91 |
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160 |
|
50 |
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90 |
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Drain outlet |
600 830 |
120 |
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ø25 |
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A |
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Fan guard |
90 |
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52 |
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ø420 |
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325 |
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538 |
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A Detail Drawing 600 |
R10 |
ø6 hole |
ø11x14 hole |
300 |
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Handle |
– 7 –
TCTC Service Manual 18/24UKHP-ES (EN) File No. SVM-01006
3. WIRING DIAGRAM
3-1. RAS-24UKHP-ES/RAS-24UAH-ES
COLOR IDENTIFICATION
BRW : BROWN
RED : RED
WHI : WHITE
YEL : YELLOW
BLU : BLUE
BLK : BLACK
GRY : GRAY
PNK : PINK
ORN : ORANGE
GRN&YEL : GREEN &YELLOW
GRN : GREEN
BLK |
R22 |
R09 |
P04 |
VARISTOR |
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SG01 |
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DSA
T6. 3A 250V
F01 FUSE
R21
BLK |
CN30 |
WHI |
CN31 |
RED |
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GRN&YEL
CN23
POWER SUPPLY |
INDOOR |
1 |
2 3 |
INDOOR |
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TERMINAL |
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220-240 V~, 50 Hz |
BLOCK |
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UNIT |
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POWER |
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OUTDOOR |
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OUTDOOR |
TERMINAL |
L N i |
TERMINAL |
1 |
2 3 i UNIT |
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BLOCK |
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BLOCK |
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BLK |
FERRITE CORE |
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RED |
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GRN&YEL |
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GRN&YEL |
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i |
BLK |
RED |
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CHASSIS |
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MAGNETIC SWITCH
21 5L3 3L2 1L1
A1
52C
A2
22 6T3 4T2 2T1
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CAPACITOR |
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CAPACITOR |
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RED |
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RED |
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WHI |
S |
BLK |
WHI |
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PNK |
C |
RED |
BLK |
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R
LOUVER |
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FAN MOTOR |
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MOTOR |
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DC MOTOR |
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BLU PNK YEL |
ORN |
RED BRW |
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6 5 4 3 |
2 1 |
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6 5 4 3 |
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1 |
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6 5 4 3 2 1 |
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6 5 4 3 |
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1 |
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CN 07 |
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CN 10 |
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IC04 |
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L01 |
R01 |
DB01 |
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T01 |
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C15 |
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C01 |
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DC15V |
||
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C02 |
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DC0V |
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DC12V |
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DC7V |
MAIN P.C. BOARD |
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DC0V |
|||||||
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C06 |
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||||||||
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(MCC-821) |
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IC02 |
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IC |
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CN13 |
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CN03 |
IC01 |
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CN01 |
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1 |
2 3 |
4 |
5 6 |
7 |
8 |
9 10 |
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1 2 |
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1 2 |
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1 |
2 3 |
4 |
5 6 |
7 |
8 |
9 10 |
|
1 2 |
|
1 2 |
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||
BLU BLU BLU |
BLU |
BLU BLU |
BLU |
BLU |
BLU WHI |
|
BLK BLK |
THERMOBLK |
BLK |
HEAT |
|||
1 |
2 |
3 |
4 |
5 6 |
7 |
8 |
9 10 |
CN25 |
SENSOR |
|
|||
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EXCHANGER |
||||||||||||
1 |
2 3 |
4 |
5 6 |
7 |
8 |
9 10 |
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(TA) |
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||||
INFRARED RAYS RECEIVE |
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SENSOR |
|||||||
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(TC) |
||||||||
AND INDICATION PARTS |
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TRANSFORMER
BLK |
1 |
1 |
MAIN P.C. BOARD (MCC-1275) |
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DISCHARGE |
||||
BLK |
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2 |
CN06 |
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PIPE |
||||
3 3 |
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RED 1 1 |
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SENSOR (TD) |
|||
CN05 |
|
1 1 |
BLK |
||||
RED |
3 3 |
|
CN07 2 |
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TNR |
|
3 3 |
BLK |
||||
BLK |
1 1 |
R74 DSA |
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BLK |
3 3 |
F01 |
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T5A 250VAC |
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BLK |
|||
WHI 5 5 |
TNR |
1 |
1 |
||||
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CN08 2 |
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CN01 |
R73 |
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RED |
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3 |
3 |
BLK |
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7 7 |
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|||||
GRY 9 9 |
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HEAT |
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EXCHANGER |
||||
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SENSOR (TE) |
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1 |
1 |
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3 |
3 |
CN04 |
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RY07 |
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5 |
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BLU 1 1 |
CN11 |
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||
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YEL 3 3 |
CR11 |
RY05 |
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BLK 1 1 |
CN02 |
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BLK 3 3 |
CR12 |
TNR R96 |
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COIL FOR |
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4 WAY VALVE |
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ICO7 |
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CN03 |
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1 |
3 |
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1 |
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BLK
COMPRESSOR |
FAN MOTOR |
– 8 –
TCTC Service Manual 18/24UKHP-ES (EN) File No. SVM-01006
3-2. RAS-24UKP-ES/RAS-24UA-ES
COLOR IDENTIFICATION |
|
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||
|
BRW : BROWN |
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FAN MOTOR |
||
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RED : RED |
|
LOUVER |
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WHI : WHITE |
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MOTOR |
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YEL : YELLOW |
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BLU : BLUE |
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DC MOTOR |
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BLK : BLACK |
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GRY : GRAY |
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ORN RED BRW |
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PNK : PINK |
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BLU |
PNK YEL |
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ORN : ORANGE |
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|||
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GRN&YEL : GREEN & YELLOW |
|
6 5 4 3 2 1 |
6 5 4 |
3 |
1 |
||||
|
GRN : GREEN |
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||||||
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6 5 4 |
3 2 1 |
6 5 4 |
3 |
1 |
|
BLK |
R22 |
R09 |
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CN 07 |
CN 10 |
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P04 |
VARISTOR |
|
IC04 |
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SG01 |
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DSA |
T6.3A 250V |
|
L01 |
R01 |
DB01 |
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T01 |
|
||||||
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F01 FUSE |
C15 |
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C01 |
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DC15V |
||
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R21 |
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C02 |
DC0V |
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DC12V |
BLK |
CN30 |
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DC7V |
|
WHI |
CN31 |
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||
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|||
RED |
CN27 1 |
1 |
MAIN P.C. BOARD |
|
|
DC0V |
|||||||
|
|
RY04 |
|
C06 |
|
||||||||
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(MCC-821) |
|
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|||||||
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3 |
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|||||||
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IC02 |
|||||||
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IC |
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CN13 |
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CN03 |
IC01 |
|
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|
CN01 |
|
|||
GRN&YEL |
|
1 |
2 3 |
4 |
5 6 |
7 |
8 |
9 10 |
1 2 |
1 2 |
|
||
|
1 |
2 3 |
4 |
5 6 |
7 |
8 |
9 10 |
1 2 |
1 2 |
|
|||
|
|
|
|
||||||||||
|
|
|
BLU BLU BLU |
BLU |
BLU BLU |
BLU |
BLU |
BLU WHI |
BLK BLK |
BLK BLK |
|
||
|
|
|
1 |
2 |
3 |
4 |
5 6 |
7 |
8 |
9 10 |
CN25 |
THERMO |
HEAT |
|
|
|
1 |
2 3 |
4 |
5 6 |
7 |
8 |
9 10 |
||||
|
|
|
INFRARED RAYS RECEIVE |
|
SENSOR |
EXCHANGER |
|||||||
|
|
|
|
(TA) |
SENSOR |
||||||||
|
|
|
AND INDICATION PARTS |
|
|||||||||
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|
(TC) |
||||||||
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|
INDOOR |
|
|
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|
|
POWER SUPPLY |
|
TERMINAL |
1 2 3 |
INDOOR |
|
|
|
|
BLOCK |
|
|
UNIT |
|
|
|
220-240V~ 50Hz. |
|
|
|
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|
||
|
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|
|
|
|
|
|
POWER |
|
OUTDOOR |
|
OUTDOOR |
|
||
TERMINAL L N |
|
TERMINAL |
1 2 3 |
UNIT |
|
|
|
BLOCK |
|
BLOCK |
|
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|
|
BLK |
|
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|
GRN&YEL |
|
|
RED |
|
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|
GRN&YEL |
FERRITE CORE |
|
CHASSIS |
|
|
||
|
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|
||||
|
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|
ORN |
|
|
BLK |
BLK |
|
|
|
THERMOSTAT |
|
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|
||
SPARK KILLER |
|
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|
ORN |
|
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|
A1 52C A2 |
|
|
RED |
|
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|
BLK RED RED |
|
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|
|
WHI |
|
|
|
|
|
|
CAPACITOR |
|
||
1L1 |
2T1 |
RED |
|
RED |
BLK |
||
|
|
|
|
|
|
||
|
|
CAPACITOR |
WHI |
S |
|
FAN MOTOR |
|
|
|
|
|
||||
3L2 |
4T2 |
|
PNK |
|
C BLK |
|
|
|
|
R |
|
|
|
||
|
|
|
|
|
|
|
COMPRESSOR
5L3 6T3
MAGNETIC SWITCH
– 9 –
TCTC Service Manual 18/24UKHP-ES (EN) File No. SVM-01006
3-3. RAS-18UKHP-ES/RAS-18UAH-ES
COLOR IDENTIFICATION
BRW : BROWN
RED : RED
WHI : WHITE
YEL : YELLOW
BLU : BLUE
BLK : BLACK
GRY : GRAY
PNK : PINK
ORN : ORANGE
GRN&YEL : GREEN &YELLOW
GRN : GREEN
BLK |
R22 |
R09 |
P04 |
VARISTOR |
|
SG01 |
|
DSA
T6.3A 250V
F01 FUSE
R21
BLK |
CN30 |
WHI |
CN31 |
RED |
|
GRN&YEL
CN23
POWER SUPPLY |
INDOOR |
1 2 3 |
INDOOR |
|
TERMINAL |
||||
220-240V~ 50 Hz |
BLOCK |
|
UNIT |
|
POWER |
|
OUTDOOR |
|
OUTDOOR |
TERMINAL |
L N i |
TERMINAL |
1 2 3 i UNIT |
|
BLOCK |
|
BLOCK |
|
|
|
BLK |
FERRITE CORE |
|
|
|
|
|
|
|
|
RED |
|
|
GRN&YEL |
|
GRN&YEL |
|
|
i |
BLK |
RED |
|
|
CHASSIS |
|
|
|
MAGNETIC RELAY
11 |
13 |
15 |
A |
|
|
|
|
12 |
14 |
16 |
B |
|
|
CAPACITOR |
|
CAPACITOR |
||
RED |
|
|
RED |
|
|
WHI |
S |
|
WHI |
|
|
C |
BLK |
|
|||
PNK |
RED |
BLK |
|||
|
|
||||
|
R |
|
|
|
|
COMPRESSOR |
FAN MOTOR |
LOUVER |
|
|
|
|
|
|
FAN MOTOR |
||||||
|
|
|
|
|
|
|
|
|
|||||
MOTOR |
|
|
|
|
|
|
|
|
|
||||
|
|
|
|
|
|
|
|
|
|
|
DC MOTOR |
|
|
|
|
|
|
|
|
BLU PNK YEL |
ORN |
RED BRW |
|
|
|
|
|
|
|
|
|
|
|
|
6 5 4 |
3 |
2 1 |
|
6 5 4 3 |
|
1 |
|
|
|
|
|
|
|
6 5 4 |
3 2 1 |
|
6 5 4 3 |
|
1 |
|
|
|
|
|
|
|
|
CN 07 |
|
CN 10 |
|
|
||
IC04 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
L01 |
|
R01 |
DB01 |
|
|
|
|
|
|||
|
|
|
|
|
|
|
T01 |
|
|
||||
|
|
|
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|
|
|
|
|
|
|
|
|
|
C15 |
|
|
|
C01 |
|
|
+ |
|
|
|
DC15V |
||
|
|
|
|
|
|
|
|
|
C02 |
|
DC0V |
||
|
|
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|
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|
|
|
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|
|
|
|
|
|
DC12V |
|
|
|
|
|
|
|
|
|
|
|
|
|
DC7V |
MAIN P.C. BOARD |
|
|
|
|
|
DC0V |
|||||||
|
|
|
C06 |
|
|
||||||||
|
|
(MCC-821) |
|
|
|
|
|
||||||
|
|
|
|
|
|
|
IC02 |
||||||
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
IC |
|
|
|
|
|
CN13 |
|
|
|
|
CN03 |
IC01 |
|
|
||
|
|
|
|
|
|
|
CN01 |
|
|||||
1 |
2 3 |
4 |
5 6 |
7 |
8 |
9 10 |
|
1 2 |
|
1 2 |
|
||
1 |
2 3 |
4 |
5 6 |
7 |
8 |
9 10 |
|
1 2 |
|
1 2 |
|
||
BLU BLU BLU |
BLU BLU BLU |
BLU |
BLU |
BLU WHI |
|
BLK BLK |
THERMOBLK |
BLK |
HEAT |
||||
1 |
2 |
3 |
4 |
5 6 |
7 |
8 |
9 10 |
|
|
SENSOR |
|
||
|
|
|
|
||||||||||
1 |
2 3 |
4 |
5 6 |
7 |
8 |
9 10 CN25 |
|
(TA) |
|
EXCHANGER |
|||
INFRARED RAYS RECEIVE |
|
|
|
|
|
SENSOR |
|||||||
|
|
|
|
|
(TC) |
||||||||
AND INDICATION PARTS |
|
|
|
|
|
|
TRANSFORMER |
|
|
|
MAIN P.C. BOARD (MCC-1275) |
|
|
|
BLK |
1 |
1 |
|
|
|
||
|
|
|
DISCHARGE |
||||
BLK |
|
2 |
CN06 |
|
|
||
|
|
|
PIPE |
||||
3 3 |
|
|
|
||||
RED 1 1 |
|
|
|
SENSOR (TD) |
|||
CN05 |
|
|
1 1 |
BLK |
|||
RED |
3 3 |
|
|
CN07 2 |
|
||
TNR |
DSA |
|
3 3 |
BLK |
|||
BLK |
|
|
R74 |
|
|
|
|
1 1 |
|
|
|
|
|||
|
|
|
|
|
|||
BLK |
3 3 |
|
F01 |
|
|
|
|
T5A 250VAC |
|
|
BLK |
||||
WHI 5 5 |
TNR |
1 1 |
|||||
CN01 |
|
R73 |
CN08 2 |
|
|||
|
|
|
|
|
|||
RED |
|
|
|
|
3 3 |
BLK |
|
7 7 |
|
|
|
||||
GRY 9 9 |
|
|
|
HEAT |
|||
|
|
|
EXCHANGER |
||||
|
|
|
|
|
|
SENSOR (TE) |
|
|
1 |
1 |
|
|
|
|
|
|
3 |
3 |
CN04 |
|
|
|
|
|
|
|
|
RY07 |
|
|
|
|
|
5 |
|
|
|
|
|
|
|
|
|
|
|
|
|
BLU 1 1 |
CN11 |
|
|
|
|
||
|
|
|
|
|
|
|
|
YEL 3 3 |
|
CR11 |
RY05 |
|
|
||
BLK 1 |
1 |
CN02 |
|
|
|
|
|
|
|
|
|
|
|
|
|
BLK 3 3 |
|
CR12 |
TNR R96 |
|
|
||
COIL FOR |
|
|
|
|
|
|
|
4 WAY VALVE |
|
|
|
|
|
|
|
|
|
|
|
|
IC07 |
|
|
|
|
|
|
CN03 |
|
|
|
|
|
|
|
1 |
3 |
|
|
|
|
|
|
1 |
|
|
|
BLK
– 10 –
TCTC Service Manual 18/24UKHP-ES (EN) File No. SVM-01006
3-4. RAS-18UKP-ES/RAS-18UA-ES
COLOR IDENTIFICATION |
|
|
|
|
|
|
|
||
|
BRW : BROWN |
|
|
|
|
FAN MOTOR |
|||
|
RED : RED |
LOUVER |
|
|
|
||||
|
|
|
|
|
|
|
|||
|
WHI : WHITE |
|
|
|
|
|
|
||
|
MOTOR |
|
|
|
|
|
|
||
|
YEL : YELLOW |
|
|
|
|
|
|
||
|
BLU : BLUE |
|
|
|
|
DC MOTOR |
|
||
|
BLK : BLACK |
|
|
|
|
|
|
|
|
|
GRY : GRAY |
|
|
|
ORN RED BRW |
|
|
|
|
|
PNK : PINK |
|
BLU |
PNK YEL |
|
|
|
||
|
ORN : ORANGE |
|
|
|
|
||||
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GRN&YEL |
GREEN & YELLOW |
|
6 5 4 3 2 1 |
6 5 4 |
3 |
1 |
|||
|
GRN : GREEN |
|
|||||||
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|
6 5 4 |
3 2 1 |
6 5 4 |
3 |
1 |
|
BLK |
R22 |
R09 |
|
|
CN 07 |
CN 10 |
|
|
|
P04 |
VARISTOR |
IC04 |
|
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SG01 |
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||
DSA |
T6.3A 250V |
L01 |
R01 |
DB01 |
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||||||
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T01 |
|
||||||
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F01 FUSE
|
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R21 |
C15 |
|
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C01 |
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+ |
|
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DC15V |
||
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C02 |
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DC0V |
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DC12V |
BLK |
CN30 |
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DC7V |
|
WHI |
CN31 |
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RED |
CN27 1 |
1 |
MAIN P.C. BOARD |
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DC0V |
||||||
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RY04 |
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C06 |
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|||||||
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(MCC-821) |
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3 |
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IC02 |
|||||||
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IC |
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CN13 |
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IC01 |
CN01 |
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CN03 |
|
|||||
GRN&YEL |
|
1 |
2 3 |
4 |
5 6 |
7 |
8 |
9 10 |
1 2 |
|
1 2 |
|
||
|
1 |
2 3 |
4 |
5 6 |
7 |
8 |
9 10 |
1 2 |
|
1 2 |
|
|||
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|
||||||||||
|
|
|
BLU BLU BLU |
BLU BLU BLU |
BLU |
BLU |
BLU WHI |
BLK |
BLK |
THERMO |
BLK BLK |
HEAT |
||
|
|
|
1 2 3 4 5 6 |
7 |
8 |
9 10 |
CN25 |
|
|
|||||
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|
1 |
2 3 |
4 |
5 6 |
7 |
8 |
9 10 |
|
SENSOR |
|
EXCHANGER |
|
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|
INFRARED RAYS RECEIVE |
|
|
(TA) |
|
SENSOR |
||||||
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(TC) |
|||||||
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AND INDICATION PARTS |
|
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INDOOR |
|
1 2 3 |
INDOOR |
|
POWER SUPPLY |
TERMINAL |
|||
|
220-240V~ 50Hz |
BLOCK |
|
|
UNIT |
POWER |
|
OUTDOOR |
|
OUTDOOR |
|
TERMINAL L N |
TERMINAL |
1 2 3 |
UNIT |
||
BLOCK |
BLK |
BLOCK |
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GRN&YEL |
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RED |
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GRN&YEL |
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CHASSIS |
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RED |
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BLK |
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BLK |
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BLK |
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||
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SPARK KILLER |
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RED |
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BLK |
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MAGNETIC RELAY |
|
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||
|
11 |
13 |
15 |
ORN |
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A |
|
THERMOSTAT
|
12 |
14 |
B |
ORN |
|
16 |
|||
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|
|||
CAPACITOR |
|
CAPACITOR |
||
RED |
|
|
RED |
|
WHI |
S |
|
WHI |
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|
C |
|
|
BLK |
PNK |
BLK |
|
RED |
|
|
R |
|
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COMPRESSOR |
|
FAN MOTOR |
– 11 –
TCTC Service Manual 18/24UKHP-ES (EN) File No. SVM-01006
4. SPECIFICATION OF ELECTRICAL PARTS
4-1. Indoor Unit
RAS-24UKHP-ES,18UKHP-ES
No. |
Parts name |
Type |
Specifications |
|
|
|
|
|
|
1 |
Fan motor (for indoor) |
ICF-340-30-1 |
DC 340V, 30W |
|
2 |
Thermo sensor |
——— |
10kΩ at 25°C |
|
(TA-sensor) |
||||
|
|
|
||
|
|
|
|
|
3 |
DC-DC transformer (T01) |
SWT-58A |
DC 390V, Secondary DC 15V, 12V, 7V |
|
|
|
|
|
|
4 |
Microcomputer |
TMP87CM40AN |
|
|
|
|
|
|
|
5 |
Heat exchanger sensor |
——— |
10kΩ at 25°C |
|
(TC-sensor) |
||||
|
|
|
||
6 |
Line filter (L01) |
SS11V-R07190 |
19mH, AC0.7A |
|
|
|
|
|
|
7 |
Diode (DB01) |
D3SBA60 |
4A, 600V |
|
|
|
|
|
|
8 |
Capacitor (C02) |
KMH450VNSN120M25C |
120μF, 450V |
|
|
|
|
|
|
9 |
Fuse (F01) |
TSCR |
T6.3A, 250V |
|
|
|
|
|
|
10 |
Power supply IC (IC01) |
MA8920 |
5A, 900V |
|
|
|
|
|
|
11 |
Varistor (R21, R22) |
15G561K |
560V |
|
|
|
|
|
|
12 |
Resistor (R01) |
RF-5TK4R7 |
4.7Ω, 5W |
|
|
|
|
|
|
13 |
Louver motor |
MP35EA12 |
Output (Rated) 2W,10poles, 1phase, DC 12V |
|
|
|
|
|
4-2. Outdoor Unit
RAS-24UAH-ES
No. |
Parts name |
Type |
|
Specifications |
|
|
|
|
|
|
|
|
|
|
|
|
|
Output (Rated) 2200W, 2poles, 1phase, 220 – 240V, 50Hz |
||
1 |
Compressor |
PA290X3F-4MS |
|
Winding resistance (Ω) |
Red-Black |
White-Black |
|
|
|
|
(at 20°C) |
|
|
|
|
|
|
1.07 |
2.20 |
|
|
|
|
|
|
|
|
|
|
|
|
Output (Rated) 65W, 6poles,1phase, 220 – 240V, 50Hz |
||
|
|
|
|
|
|
|
2 |
Fan motor (for outdoor) |
MMF-230-65F |
|
Winding resistance (Ω) |
Red-Black |
White-Black |
|
|
|
|
(at 20°C) |
|
|
|
|
|
|
71.2 |
139.0 |
|
|
|
|
|
|
|
|
3 |
Running capacitor (for fan motor) |
SK45FMP |
|
AC 450V, 3.5μF |
|
|
|
|
|
|
|
|
|
4 |
Running capacitor |
SK42CMP45U1 |
|
AC 420V, 45μF |
|
|
(for compressor) |
|
|
|
|||
|
|
|
|
|
|
|
5 |
Solenoid coil (for 4-way valve) |
VHV |
|
AC 220 – 240V |
|
|
|
|
|
|
|
|
|
6 |
Thermo sensor |
TE / TD |
|
10kW at 25°C / 50kΩ at 25°C |
|
|
|
|
|
|
|
|
|
7 |
Magnetic switch |
CLK-35J |
|
220 – 240V, 50Hz |
|
|
|
|
|
|
|
|
|
8 |
Transformer |
FT67 |
|
220 – 240V |
|
|
|
|
|
|
|
|
|
9 |
Microcomputer |
TMP47C840N |
|
|
|
|
|
|
|
|
|
|
|
10 |
Varistor (R73, 74, 86) |
15G471K |
|
470V |
|
|
|
|
|
|
|
|
|
11 |
Fuse (F01) |
MT3 |
|
T5A, 250V |
|
|
|
|
|
|
|
|
|
|
|
– 12 – |
|
|
|
TCTC Service Manual 18/24UKHP-ES (EN) File No. SVM-01006
4-3. Outdoor Unit
RAS-18UAH-ES
No. |
Parts name |
Type |
Specifications |
|
|
|
|
|
|
|
|
|
|
|
Output (Rated) 1500W, 2poles, 1phase, 220 – 240V, 50Hz |
||
|
|
|
|
|
|
1 |
Compressor |
PA225X3F-4L |
Winding resistance (Ω) |
Red-Black |
White-Black |
|
|
|
(at 20°C) |
1.35 |
2.68 |
|
|
|
|
|
|
|
|
|
Output (Rated) 42W, 6poles,1phase, 220 – 240V, 50Hz |
||
|
|
|
|
|
|
2 |
Fan motor (for outdoor) |
HF-240-42A1 |
Winding resistance (Ω) |
Red-Black |
White-Black |
|
|
|
(at 20°C) |
|
|
|
|
|
176.2 |
290.5 |
|
|
|
|
|
|
|
3 |
Running capacitor (for fan motor) |
SK45FMP02U2 |
AC 450V, 2μF |
|
|
|
|
|
|
|
|
4 |
Running capacitor |
SK42CMP45U1 |
AC 420V, 45μF |
|
|
(for compressor) |
|
|
|||
|
|
|
|
|
|
5 |
Solenoid coil (for 4-way valve) |
VHV |
AC 220 – 240V |
|
|
|
|
|
|
|
|
6 |
Thermo sensor |
TE / TD |
10kΩ at 25°C / 50kΩ at 25°C |
|
|
|
|
|
|
|
|
7 |
Magnetic Relay |
VC20FA |
220 – 240V, 50Hz, 1P1a |
|
|
|
|
|
|
|
|
8 |
Transformer |
FT67 |
220 – 240V |
|
|
|
|
|
|
|
|
9 |
Microcomputer |
TMP47C840N |
|
|
|
|
|
|
|
|
|
10 |
Varistor (R73, 74, 86) |
15G471K |
470V |
|
|
|
|
|
|
|
|
11 |
Fuse (F01) |
MT3 |
T5A, 250V |
|
|
|
|
|
|
|
|
– 13 –
TCTC Service Manual 18/24UKHP-ES (EN) File No. SVM-01006
4-4. Indoor Unit
RAS-24UKP-ES, 18UKP-ES
No. |
Parts name |
Type |
Specifications |
|
|
|
|
|
|
1 |
Fan motor (for indoor) |
ICF-340-30-1 |
DC 340V, 30W |
|
2 |
Thermo sensor |
——— |
10kΩ at 25°C |
|
(TA-sensor) |
||||
|
|
|
||
|
|
|
|
|
3 |
DC-DC transformer (T01) |
SWT-58A |
DC 390V, Secondary DC 15V, 12V, 7V |
|
|
|
|
|
|
4 |
Microcomputer |
TMP87CM40AN |
|
|
|
|
|
|
|
5 |
Heat exchanger sensor |
——— |
10kΩ at 25°C |
|
(TC-sensor) |
||||
|
|
|
||
|
|
|
|
|
6 |
Line filter (L01) |
SS11V-R07190 |
19mH, AC 0.7A |
|
|
|
|
|
|
7 |
Diode (DB01) |
D3SBA60 |
4A, 600V |
|
|
|
|
|
|
8 |
Capacitor (C02) |
KMH450VNSN120M25C |
120μF, 450V |
|
|
|
|
|
|
9 |
Fuse (F01) |
TSCR |
T6.3A, 250V |
|
|
|
|
|
|
10 |
Relay (for outdoor fan motor, |
AJQ1341 |
Coil DC 12V, 33mA, Rated 1A, AC 250V |
|
solenoid coil) (RY04) |
||||
|
|
|
||
|
|
|
|
|
11 |
Power supply IC (IC01) |
MA8920 |
5A, 900V |
|
|
|
|
|
|
12 |
Varistor (R21, R22) |
15G561K |
560V |
|
|
|
|
|
|
13 |
Resistor (R01) |
RF-5TK4R7 |
4.7Ω, 5W |
|
|
|
|
|
|
14 |
Louver motor |
MP35EA12 |
Output (Rated) 2W,10poles, 1phase, DC 12V |
|
|
|
|
|
4-5. Outdoor Unit
RAS-24UA-ES
No. |
Parts name |
Type |
Specifications |
|
||
|
|
|
|
|
|
|
|
|
|
Output (Rated) 2200W, 2poles, 1phase, 220 – 240V, 50Hz |
|||
|
|
|
|
|
|
|
1 |
Compressor |
PA290X3F-4MS |
Winding resistance (Ω) |
Red-Black |
White-Black |
|
|
|
|
(at 20°C) |
|
|
|
|
|
|
1.07 |
2.20 |
||
|
|
|
|
|
|
|
|
|
MMF-230-65C |
Output (Rated) 65W, 6poles,1phase, 220 – 240V, 50Hz |
|||
|
|
|
|
|
||
2 |
Fan motor (for outdoor) |
Winding resistance (Ω) |
Red-Black |
White-Black |
||
|
||||||
|
|
|
(at 20°C) |
|
|
|
|
|
|
71.2 |
139.0 |
||
|
|
|
|
|
|
|
3 |
Running capacitor (for fan motor) |
SK45FMP |
AC 450V, 3.5μF |
|
|
|
|
|
|
|
|
|
|
4 |
Running capacitor |
SK42CMP45U1 |
AC 420V, 45μF |
|
|
|
(for compressor) |
|
|
||||
|
|
|
|
|
||
5 |
Bimetal thermostat |
CS-7C |
Open 130 ± 5°C, Close 70 ± 10°C |
|
||
|
|
|
|
|
|
|
6 |
Magnetic switch |
CLK-35J |
220 – 240V, 50Hz |
|
|
|
|
|
|
|
|
|
– 14 –
TCTC Service Manual 18/24UKHP-ES (EN) File No. SVM-01006
4-6. Outdoor Unit
RAS-18UA-ES
No. |
Parts name |
Type |
Specifications |
|
|
|
|
|
|
|
|
|
|
|
Output (Rated) 1500W, 2poles, 1phase, 220–240V, 50Hz |
||
|
|
|
|
|
|
1 |
Compressor |
PA225X3F-4L |
Winding resistance (Ω) |
Red-Black |
White-Black |
|
|
|
(at 20°C) |
1.35 |
2.68 |
|
|
|
|
|
|
|
|
|
Output (Rated) 42W, 6poles,1phase, 220–240V, 50Hz |
||
|
|
|
|
|
|
2 |
Fan motor (for outdoor) |
HF-240-42A |
Winding resistance (Ω) |
Red-Black |
White-Black |
|
|
|
(at 20°C) |
|
|
|
|
|
176.2 |
290.5 |
|
|
|
|
|
|
|
3 |
Running capacitor (for fan motor) |
SK45FMP02U2 |
AC 450V, 2μF |
|
|
|
|
|
|
|
|
4 |
Running capacitor |
SK42CMP45U1 |
AC 420V, 45μF |
|
|
(for compressor) |
|
|
|||
|
|
|
|
|
|
5 |
Bimetal thermostat |
CS-7C |
Open 130 ± 5°C, Close 70 ± 10°C |
|
|
|
|
|
|
|
|
6 |
Magnetic Relay |
VC20FA |
220 – 240V, 50Hz, 1P1a |
|
|
|
|
|
|
|
|
– 15 –
TCTC Service Manual 18/24UKHP-ES (EN) File No. SVM-01006
5. REFRIGERATION CYCLE DIAGRAM
5-1. RAS-24UKHP-ES/24UAH-ES
|
|
Indoor unit |
T1 |
|
|
|
|
|
Cooling |
Heat exchanger |
|
|
|
|
|
0.49m |
Heating |
|
0.39m |
|
|
(Connecting pipe) |
|
(Connecting pipe) |
|
||
ø12.7 |
|
Cross flow fan |
ø6.35 |
|
|
|
|
O.D.:12.7mm |
P |
|
O.D.:6.35mm |
|
Packed valve |
|
|
Packed valve |
|
(ø12.7) |
|
|
(ø6.35) |
|
Gas container connection (Reinstall etc.) |
|
|
|
|
Heating |
|
|
|
Cooling |
4-way valve |
|
|
|
|
Muffler |
|
|
|
Heating |
Cooling Compressor |
PA290X3F-4MS |
|
|
Tank |
|
|
|
Capillary tube |
|
|
|
|
|
|
|
|
|
ø2.0x700 |
|
|
Condenser |
|
|
|
|
|
|
Refrigerant |
|
|
Propeller fan |
|
R-410A 1.6kg |
|
Cooling |
Outdoor unit |
Mark( |
)means check points of Gas Leak. |
|
Heating |
|
|
|
|
|
Standard pressure |
Surface temp.of heat |
|
Ambient temp. |
|||||
|
|
|
|
|
exchanger interchanging |
Fan speed |
conditions DB/WB |
|||
|
50Hz |
|
P |
|
||||||
|
|
|
|
pipe |
T1 |
(°C) |
(indoor) |
(°C) |
||
|
(MPaG) |
|||||||||
|
|
|||||||||
|
|
RAS-24UKHP-ES |
RAS-24UKHP-ES |
|
Indoor |
Outdoor |
||||
|
|
|
|
|
|
|
|
|
|
|
|
Standard |
2.7 |
|
43.0 |
|
High |
20/– |
7/6 |
||
|
|
|
|
|
|
|
|
|
|
|
Heating |
Overload*1 |
3.1 ~ 4.0 |
52.0 ~ 59.0 |
Low |
27/– |
24/18 |
||||
|
|
|
|
|
|
|
|
|
|
|
|
Low temperature |
2.7 |
|
36.0 |
|
High |
20/– |
–10/–10 |
||
|
|
|
|
|
|
|
|
|
|
|
|
Standard |
0.9 |
|
11.0 |
|
High |
27/19 |
35/24 |
||
Cooling |
|
|
|
|
|
|
|
|
|
|
Overload |
0.8 |
|
12.0 |
|
High |
32/23 |
43/26 |
|||
|
|
|
|
|
|
|
|
|
|
|
|
Low temperature |
0.5 |
|
1.0 |
|
Low |
21/15 |
21/15 |
||
|
|
|
|
|
|
|
|
|
|
|
Note :
• Measure the heat exchanger temperature at the center of U-bend. (By means of TC sensor)
*1 • During heating overload operation, a value for the high temperature limit control operation is included.
– 16 –
TCTC Service Manual 18/24UKHP-ES (EN) File No. SVM-01006
5-2. RAS-24UKP-ES/RAS-24UA-ES |
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Indoor unit |
T1 |
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Cooling |
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Heat exchanger |
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0.49m |
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0.39m |
(Connecting pipe) |
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(Connecting pipe) |
ø12.7 |
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Cross flow fan |
ø6.35 |
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O.D.:12.7mm |
P |
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O.D.:6.35mm |
Packed valve |
Packed valve |
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(ø12.7) |
(ø6.35) |
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Gas container connection (Reinstall etc.) |
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Cooling |
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Cooling Compressor |
PA290X3F-4MS |
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Tank |
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Capillary tube |
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ø2.0x600 |
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Condenser |
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Refrigerant |
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Propeller fan |
R-410A 1.6kg |
Cooling Outdoor unit Mark( )means check points of Gas Leak.
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Standard pressure |
Surface temp. of heat |
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Ambient temp. |
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exchanger interchanging |
Fan speed |
conditions DB/WB |
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50Hz |
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P |
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pipe |
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(°C) |
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(°C) |
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(MPaG) |
T1 |
(indoor) |
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RAS-24UKP-ES |
RAS-24UKP-ES |
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Indoor |
Outdoor |
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Standard |
0.9 |
11.0 |
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High |
27/19 |
35/24 |
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Cooling |
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Overload |
0.8 |
12.0 |
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High |
32/23 |
43/26 |
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Low temperature |
0.5 |
1.0 |
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Low |
21/15 |
21/15 |
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Note :
• Measure the heat exchanger temperature at the center of U-bend. (By means of TC sensor)
– 17 –
TCTC Service Manual 18/24UKHP-ES (EN) File No. SVM-01006
5-3. RAS-18UKHP-ES/RAS-18UAH-ES |
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Indoor unit |
T1 |
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Evaporator |
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Cooling |
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0.39m |
Heating |
0.49m |
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(Connecting pipe) |
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(Connecting pipe) |
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ø12.7 |
Cross flow fan |
ø6.35 |
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O.D.:12.7mm |
P |
O.D.:6.35mm |
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Packed valve |
Packed valve |
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(ø12.7) |
(ø6.35) |
Heating
Cooling 4-way valve
Muffler
Heating Cooling Compressor PA225X3F-4L
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Capillary tube |
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Accumulator |
Capillary tube |
ø1.0x1500 |
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ø1.7x700 |
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Condenser |
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Refrigerant |
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Propeller fan |
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R-410A 1.3 kg |
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Cooling |
Outdoor unit |
Mark( |
)means check points of Gas Leak. |
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Heating |
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Standard pressure |
Surface temp. of heat |
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Ambient temp. |
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exchanger interchanging |
Fan speed |
conditions DB/WB |
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50Hz |
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P |
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pipe |
T1 |
(°C) |
(indoor) |
(°C) |
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(MPaG) |
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RAS-18UKHP-ES |
RAS-18UKHP-ES |
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Indoor |
Outdoor |
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Standard |
2.7 |
45.0 |
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High |
20/– |
7/6 |
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Heating |
Overload*1 |
3.0 ~ 3.8 |
49.0 ~ 58.0 |
Low |
27/– |
24/18 |
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Low temperature |
2.0 |
34.0 |
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High |
20/– |
–10/–10 |
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Standard |
0.9 |
10.0 |
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High |
27/19 |
35/24 |
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Cooling |
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Overload |
1.0 |
15.0 |
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High |
32/23 |
43/26 |
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Low temperature |
0.6 |
1.0 |
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Low |
21/15 |
21/15 |
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Note :
• Measure the heat exchanger temperature at the center of U-bend. (By means of TC sensor)
*1 • During heating overload operation, a value for the high temperature limit control operation is included.
– 18 –
TCTC Service Manual 18/24UKHP-ES (EN) File No. SVM-01006
5-4. RAS-18UKP-ES/RAS-18UA-ES |
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Indoor unit |
T1 |
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Cooling |
Evaporator |
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0.39m |
Heating |
|
0.49m |
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(Connecting pipe) |
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(Connecting pipe) |
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||
ø12.7 |
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Cross flow fan |
ø6.35 |
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O.D.:12.7mm |
P |
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O.D.:6.35mm |
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Packed valve |
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Packed valve |
|
(ø12.7) |
|
(ø6.35) |
Heating
Cooling 4-way valve
Muffler
Cooling Compressor PA225X3F-4L
|
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Capillary tube |
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Accumulator |
|
ø1.7x350 |
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Condenser |
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Refrigerant |
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Propeller fan |
|
R-410A 1.2 kg |
Cooling |
Outdoor unit |
Mark( |
)means check points of Gas Leak. |
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Standard pressure |
Surface temp. of heat |
|
Ambient temp. |
|||||
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exchanger interchanging |
Fan speed |
conditions DB/WB |
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50Hz |
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P |
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pipe |
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(°C) |
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(°C) |
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(MPaG) |
T1 |
(indoor) |
|||||||
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|||||||||
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RAS-18UKP-ES |
RAS-18UKP-ES |
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Indoor |
Outdoor |
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Standard |
0.9 |
10.0 |
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High |
27/19 |
35/24 |
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Cooling |
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Overload |
1.0 |
13.0 |
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High |
32/23 |
43/26 |
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Low temperature |
0.6 |
2.0 |
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Low |
21/15 |
21/15 |
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Note :
• Measure the heat exchanger temperature at the center of U-bend. (By means of TC sensor)
– 19 –
TCTC Service Manual 18/24UKHP-ES (EN) File No. SVM-01006
6. CONTROL BLOCK DIAGRAM
6-1. RAS-24UKHP-ES, 18UKHP-ES
Heat Exchanger Sensor
Temperature Sensor
Infrared Rays Signal Receiver
Initiallizing Circuit
Infrared
Rays
Clock Frequency
Oscillator Circuit
Power Supply
Circuit
Remote
Control
Noise Filter
From Outdoor Unit
REMOTE CONTROL
Indoor Unit Control Panel
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M.C.U. |
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Functions |
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Operation |
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• Louver Control |
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Display |
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Timer |
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• 3-minute Delay at Restart for Compressor |
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Display |
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• Motor Revolution Control |
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Filter Sign |
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Display |
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• Processing |
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PRE DEF. |
|||||||
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(Temperature Processing) |
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Sign Display |
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Hi Power Sign |
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• Timer |
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Display |
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Indoor Fan |
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• Serial Signal Communication |
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Motor |
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Louver ON/OFF Signal |
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Louver Driver |
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Louver Motor |
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Serial Signal Transmitter/Receiver |
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Serial Signal Communication |
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Infrared Rays |
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|||||
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Remote Control |
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Operation (START/STOP) |
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Operation Mode Selection |
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AUTO, COOL, DRY, HEAT, FAN ONLY |
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Temperature Setting |
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Fan Speed Selection |
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ON TIMER Setting |
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OFF TIMER Setting |
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Louver Auto Swing |
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Louver Direction Setting |
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ECO |
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Hi power |
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Filter Reset |
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Sleep Timer Setting |
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– 20 –
TCTC Service Manual 18/24UKHP-ES (EN) File No. SVM-01006
6-2. RAS-24UKP-ES, 18UKP-ES
Indoor Unit Control Panel
|
|
|
|
M.C.U. |
|
|
Heat Exchanger Sensor |
|
Functions |
Operation |
|
|
|
• Louver Control |
Display |
||
|
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|
|
||
|
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Timer |
|
Temperature Sensor |
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||
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• 3-minute Delay at Restart for Compressor |
Display |
||
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||
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Infrared Rays Signal Receiver |
|
• Motor Revolution Control |
Filter Sign |
||
|
Display |
||||
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• Processing |
Fan Only |
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Initiallizing Circuit |
|||
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Sign Display |
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Infrared |
|
(Temperature Processing) |
||
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|||
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Rays |
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Clock Frequency |
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Hi Power Sign |
||
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||
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Oscillator Circuit |
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• Timer |
Display |
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Indoor Fan |
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Motor |
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Power Supply
Circuit
Remote
Control
Noise Filter
From Outdoor Unit
REMOTE CONTROL
Outdoor unit |
|
|
Louver ON/OFF Signal |
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||
ON/OFF Signal |
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Louver Driver |
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Louver Motor |
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Relay Driver |
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Relay RY04 |
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Outdoor Unit
Infrared
Rays
Remote Control
Operation (START/STOP)
Operation Mode Selection
AUTO, COOL, DRY, FAN ONLY
Temperature Setting
Fan Speed Selection
ON TIMER Setting
OFF TIMER Setting
Louver Auto Swing
Louver Direction Setting
ECO
Hi power
Filter Reset
Sleep Timer Setting
– 21 –
TCTC Service Manual 18/24UKHP-ES (EN) File No. SVM-01006
7. OPERATION DESCRIPTION
7-1. Outline of Air Conditioner Control
This is a fixed capacity type air conditioner, which uses a DC motor for an indoor fan. The DC motor drive circuit is mounted in the indoor unit. And electrical parts which operate the compressor and the outdoor fan motor, are mounted in the outdoor unit.
The air conditioner is mainly controlled by the indoor unit controller. The controller operates the indoor fan motor based upon commands transmitted by the remote control and transfers the operation commands to the outdoor unit controller.
The outdoor unit controller receives operation commands from the indoor unit, and operates the outdoor fan motor and the compressor.
(1)Role of indoor unit controller
The indoor unit controller receives the operation commands from the remote control and executes them.
•Temperature measurement at the air inlet of the indoor heat exchanger by the indoor temperature sensor
•Themperature setting of the indoor heat exchanger by the heat exchanger sensor
•Louver motor control
•Indoor fan motor operation control
•LED display control
•Transferring of operation commands to the outdoor unit
•Receiving of information of the operation status and judging of the information or indication of error
(2)Role of outdoor unit controller
The outdoor unit controller receives the operation commands from the indoor controller and executes
them.
• Compressor operation control
•Operation control of outdoor fan motor
•Turning off the compressor and outdoor fan when the outdoor unit receives the shutdown command
•Defrost control in heating operation (Temperature measurement by the outdoor heat exchanger and control for the four-way valve and the outdoor fan motor) *Heating and Cooling Model only
7-1-1. Louver Control
(1)Vertical air flow louver
Position of veritcal air flow louver is automatically controlled according to the operation mode. Besides, position of vertical air flow louver can be arbitrarily set by pressing [SET] button.
The louver position which is set by [SET] button is stored in the microcomputer, and the louver is automatically set at the stored position for the next operation.
(2)Swing
If [SWING] button is pressed when the indoor unit is in operation, the vertical air flow louver starts swinging. When [SWING] button is pressed again, it stops swinging.
7-1-2. Indoor Fan Control (DC Fan Motor)
(1)The indoor fan is operated by the stepless speed change DC motor.
(2)For air flow level, speed of the indoor fan motor is controlled in five steps (LOW, LOW+, MED, MED+ and HIGH). If AUTO mode is selected, the fan motor speed is automatically controlled by the difference between the preset temperature and the room termperature.
Table 7-1-1
|
|
|
RAS-24UKHP-ES |
RAS-18UKHP-ES |
||
MODEL |
|
Motor speed |
Air flow level |
Motor speed |
Air flow level |
|
|
|
|
(rpm) |
(m3/h) |
(rpm) |
(m3/h) |
Cooling |
HIGH |
1350 |
950 |
1150 |
750 |
|
and |
MED |
1150 |
750 |
1050 |
650 |
|
Fan only |
LOW |
1000 |
600 |
900 |
530 |
|
|
HIGH |
1350 |
950 |
1200 |
800 |
|
Heating |
MED |
1200 |
800 |
1100 |
700 |
|
|
LOW |
1050 |
650 |
950 |
570 |
|
MODEL |
RAS-24UKP-ES |
RAS-18UKP-ES |
||||
Cooling |
HIGH |
1350 |
950 |
1150 |
750 |
|
and |
MED |
1150 |
750 |
1050 |
650 |
|
Fan only |
LOW |
1000 |
600 |
900 |
530 |
|
|
|
|
|
|
|
|
LOW+ = LOW+MED 2
MED+ = MED+HIGH 2
– 22 –
TCTC Service Manual 18/24UKHP-ES (EN) File No. SVM-01006