FILE NO. SVM-05014
AIR-CONDITIONER
UNDER CEILING / CONSOLE TYPE
RAS-18UFHP-ES4 / RAS-18UAH-ES4 RAS-18UFP-ES4 / RAS-18UA-ES4 RAS-24UFHP-ES4 / RAS-24UAH-ES4 RAS-24UFP-ES4 / RAS-24UA-ES4
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18 Class |
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18 Class |
24 Class |
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(Heat pump model) |
(Cooling only model) |
May, 2005 |
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CONTENTS
FILE NO. SVM-05014
1.SPECIFICATIONS
2.CONSTRUCTION VIEWS
2-1 Indoor Unit
2-2 Outdoor Unit (RAS-18UAH-ES4) 2-3 Outdoor Unit (RAS-18UA-ES4)
2-4 Outdoor Unit (RAS-24UAH-ES4, RAS-24UA-ES4)
3.WIRING DIAGRAM
3-1 RAS-18UFHP-ES4 / RAS-18UAH-ES4
3-2 RAS-24UFHP-ES4 / RAS-24UAH-ES4 3-3 RAS-18UFP-ES4 / RAS-18UA-ES4 3-4 RAS-24UFP-ES4 / RAS-24UA-ES4
4.SPECIFICATION OF ELECTRICAL PARTS
4-1 Indoor Unit
4-2 Outdoor Unit (RAS-18UAH-ES4) 4-3 Outdoor Unit (RAS-18UA-ES4) 4-4 Outdoor Unit (RAS-24UAH-ES4) 4-5 Outdoor Unit (RAS-24UA-ES4)
5.REFRIGERATION CYCLE DIAGRAM
5-1 RAS-18UFHP-ES4 / RAS-18UAH-ES4 5-2 RAS-18UFP-ES4 / RAS-18UA-ES4 5-3 RAS-24UFHP-ES4 / RAS-24UAH-ES4 5-4 RAS-24UFP-ES4 / RAS-24UA-ES4
6.CONTROL BLOCK DIAGRAM
6-1 RAS-18UFHP-ES4, RAS-24UFHP-ES4 6-2 RAS-18UFP-ES4, RAS-24UFP-ES4
7.OPERATION DESCRIPTION
7-1 Outline of Air Conditioner Control
7-2 Description of Operation Circuit
7-3 Hi POWER Mode
7-4 High-Temperature Limit Control
7-5 Low-Temperature Limit Control
7-6 Defrosting Operation
7-7 Auto Restart Function
7-8 Filter Check Lamp
7-9 Self-Cleaning function
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 How to Set Remote Control Selector Switch 8-7 How to Use Drain Pump Kit of Option
8-8 Others
– 1 –
FILE NO. SVM-05014
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 Parts
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. PARTS REPLACEMENT
10-1 Indoor Unit
10-2 Outdoor Unit (RAS-18UAH-ES4)
10-3 Outdoor Unit (RAS-18UA-ES4)
10-4 Outdoor Unit (RAS-24UAH-ES4, RAS-24UA-ES4)
11. EXPLODED VIEWS AND PARTS LIST
11-1 Indoor Unit (E-Parts Assy)
11-2 Indoor Unit
11-3 Outdoor Unit (RAS-18UAH-ES4)
11-4 Outdoor Unit (RAS-18UA-ES4)
11-5 Outdoor Unit (RAS-24UAH-ES4)
11-6 Outdoor Unit (RAS-24UA-ES4)
•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 –
FILE NO. SVM-05014
1. SPECIFICATIONS
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MODEL |
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RAS-18UFHP-ES4 |
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RAS-18UFP-ES4 |
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RAS-24UFHP-ES4 |
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RAS-24UFP-ES4 |
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RAS-18UAH-ES4 |
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RAS-18UA-ES4 |
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RAS-24UAH-ES4 |
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RAS-24UA-ES4 |
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ITEM |
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Cooling |
Heating |
Cooling |
Cooling |
Heating |
Cooling |
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Capacity |
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220V |
240V |
220V |
240V |
220V |
240V |
220V |
240V |
220V |
240V |
220V |
240V |
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kW |
5.00 |
5.10 |
5.70 |
5.75 |
5.30 |
5.35 |
6.40 |
6.50 |
7.85 |
7.86 |
6.80 |
6.85 |
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Phase |
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1 |
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Power source |
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V |
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220 − 240 |
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Hz |
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50 |
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Power consumption |
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W |
1960 |
2010 |
1830 |
1880 |
1950 |
2040 |
2650 |
2700 |
2750 |
2760 |
2640 |
2790 |
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Power factor |
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% |
99 |
96 |
97 |
90 |
98 |
92 |
96 |
92 |
96 |
91 |
95 |
91 |
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Running current |
Indoor |
A |
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0.4 |
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0.45 |
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Outdoor |
A |
8.60 |
8.30 |
8.20 |
8.30 |
8.60 |
8.80 |
12.13 |
11.77 |
12.57 |
12.18 |
12.15 |
12.35 |
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Starting current |
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A |
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47 |
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32 |
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56 |
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65 |
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Moisture removal |
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lit/h |
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2.0 |
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2.5 |
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2.7 |
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Noise |
Indoor (H/M/L) |
db |
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43/41/39/37/36 |
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46/44/42/39/37 |
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Outdoor |
db |
52 |
53 |
53 |
54 |
51 |
52 |
56 |
57 |
57 |
58 |
56 |
57 |
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Refrigerant |
Name of refrigerant |
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R-410A |
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Rated amount |
kg |
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1.02 |
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1.16 |
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1.5 |
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1.6 |
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Refrigerant control |
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Capillary tube |
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Gas side size |
mm |
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12.70 |
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Connection type |
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Flare connection |
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Liquid side size |
mm |
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6.35 |
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Interconnection |
Connection type |
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Flare connection |
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pipe |
Maximum length |
m |
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15*1 |
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(One way) |
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20*2 |
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25*2 |
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Maximum height |
m |
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8 |
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10 |
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difference |
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INDOOR UNIT |
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RAS-18UFHP-ES4 |
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RAS-18UFP-ES4 |
RAS-24UFHP-ES4 |
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RAS-24UFP-ES4 |
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Width |
mm |
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1093 |
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Dimensions |
Height |
mm |
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633 |
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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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23 |
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Evaporator type |
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Finned tube |
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Indoor fan type |
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Multi blade fan |
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High fan |
m3/h |
800 |
830 |
800 |
900 |
930 |
900 |
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Air volume |
Medium fan |
m3/h |
680 |
700 |
680 |
750 |
760 |
750 |
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Low fan |
m3/h |
580 |
650 |
580 |
550 |
660 |
650 |
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Fan motor output |
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W |
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50 |
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Air filter |
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Washable -filter |
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OUTDOOR UNIT |
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RAS-18UAH-ES4 |
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RAS-18UA-ES4 |
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RAS-24UAH-ES4 |
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RAS-24UA-ES4 |
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Width |
mm |
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830 |
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780 |
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880 |
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Dimensions |
Height |
mm |
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538 |
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550 |
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690 |
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Depth |
mm |
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300 |
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270 |
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310 |
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Net weight |
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kg |
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44 |
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39 |
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59 |
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63 |
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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 |
2105 |
2310 |
2105 |
2310 |
2120 |
2200 |
3380 |
3560 |
3380 |
3560 |
3380 |
3560 |
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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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65 |
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Compressor |
Model |
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5KS225DAA |
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5JS315DAG01 |
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Output |
W |
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1500 |
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2200 |
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Safety device |
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IOL, Td Sensor |
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IOL |
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IOL, Td Sensor |
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IOL |
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Louver type |
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Automatic louver |
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Usable outdoor temperature range°C |
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15 ~ 43 |
−10 ~ 24 |
15 ~ 43 |
15 ~ 43 |
−10 ~ 24 |
15 ~ 43 |
Note *1 Chargeless pipe. *2 Maximum pipe.
– 3 –
FILE NO. SVM-05014
Note : 1
• Capacity is based on the following temperature conditions.
Condition |
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JIS B615-1 |
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Temperature |
Cooling |
Heating |
(DB) |
27°C |
20°C |
Indoor unit inlet air temperature |
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(WB) |
19°C |
12°C |
(DB) |
35°C |
7°C |
Outdoor unit inlet air temperature |
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(WB) |
24°C |
6°C |
Note : 2
• Charge refrigerant according to the table below.
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Refrigerant |
RAS-18UFHP-ES4 / RAS-18UAH-ES4 |
RAS-24UFHP-ES4 / RAS-24UAH-ES4 |
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RAS-18UFP-ES4 / RAS-18UA-ES4 |
RAS-24UFP-ES4 / RAS-24UA-ES4 |
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*1 |
No need to charge |
15m or less |
15m or less |
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refrigerant |
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*2 |
Need to charge |
Over 15m up to 20m (20g/m) |
Over 15m up to 25m (30g/m) |
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refrigerant |
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– 4 –
FILE NO. SVM-05014
2. CONSTRUCTION VIEWS
2-1. Indoor Unit
Front panel
1093
UNDER CEILING & CONSOLE INSTALLATION
For stud bolt |
200 Min |
1093 |
( 8 - 10) |
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1015 |
For stud bolt ( |
6) |
742 |
450 |
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20 |
20 |
330 |
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165 |
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74 |
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208
633
Knock out system
Grille air inlet
Back Body
Installation plate
Mount plate
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M10 Suspention bolt |
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633 |
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460 |
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160 |
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70 Min |
57 |
18 |
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Wireless remote control |
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Knock out system
– 5 –
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A Detail Drawing |
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A |
120 |
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600 |
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50 |
R10 |
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35 |
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23 |
325 |
52 |
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6 hole |
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11x14 hole |
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Handle |
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420 |
6 – |
538 |
– |
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300 |
Fan guard |
25 Drain outlet |
90 |
600 |
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830 |
Installation dimension
100 or more |
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600 |
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Air inlet |
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600 or more |
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Air inlet |
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325 |
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600 or |
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100 or more |
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4x |
11x14 |
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Air |
more |
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for |
8- 10 |
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outlet |
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anchor bolt |
8- 6 holes
(for fixing outdoor unit)
6- 11x14 holes
or 8 — 10 anchor bolt)
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Electric |
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Parts cover |
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Service Port |
Liquid side |
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(Flare |
6.35) |
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54 |
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Gas side |
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(Flare |
12.7) |
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91 |
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90 |
50 |
60 |
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344 |
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ES4)-18UAH-(RAS Unit Outdoor .2-2
05014-SVM .NO FILE
FILE NO. SVM-05014
2-3. Outdoor Unit (RAS-18UA-ES4)
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A |
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A Detail Drawing (Back Leg) |
32.5 |
115 |
125 |
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600 |
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52 |
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6 Hole |
36 |
R15 |
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310 |
302 |
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310 |
302 |
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R5.5 |
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30 Drain outlet
2- 11x14 Hole
(For 8- 10 anchor bolt)
436 |
FAN GUARD |
530
265
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B Detail Drawing (Front Leg) |
102 |
310 302 |
6 |
Hole |
36 |
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11x14 |
Hole |
R15 |
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52 |
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B
COVER PV
Z
270 |
600 |
90 |
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780 |
62 |
120 |
75 |
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Z View |
Installation dimension |
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100 or more |
600 |
Air inlet |
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325 |
600 or more |
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100 or more |
Air outlet 600 or more |
310
330
Electrical part cover
Liquid side (Flare 6.35)
Gas side (Flare 12.7)
5 4
Service port
4x 11 Long holes (For 8- 10 anchor bolt)
−7 −
FILE NO. SVM-05014
2-4. Outdoor Unit (RAS-24UAH-ES4, RAS-24UA-ES4)
dimensionInstallation 600 600 or more |
inletAir |
12X18 8 10 bolt |
310 |
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600or outletAir |
anchor |
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4 - for |
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more |
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100 or more |
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100 or more |
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23 |
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340 |
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6852 |
outlet |
140 |
25 Drain |
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600 |
120 |
A |
8.63 |
340 |
Electric Parts cover |
Liquid side (Flare 6.35) |
Gas side (Flare 1 2.7) |
Service Port |
12 |
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340 (pitch) |
364 |
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12 |
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Handle |
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88 |
74 |
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880 |
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690 |
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Handle |
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Detail Drawing |
600 50 |
A |
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27
hole12x18
340
– 8 –
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FILE NO. SVM-05014 |
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3. WIRING DIAGRAM |
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3-1. RAS-18UFHP-ES4 / RAS-18UAH-ES4 |
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ORN |
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RED |
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INFRARED RA |
YS RECEIVE |
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AND INDICA TION P AR TS |
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LOUVER |
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PNK |
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YEL |
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1 2 |
3 4 5 |
6 7 8 |
9 10 |
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MOT OR |
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CN25 |
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BR W |
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1 2 3 4 5 6 7 8 9 10 |
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BLU |
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BLU BLU |
BLU BLU BLU BLU |
BLU BLU BLU WHI |
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COLOR IDENTIFICA |
TION |
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6 5 |
4 3 2 |
1 |
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1 2 |
3 4 5 |
6 7 8 |
9 10 |
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BR W |
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BROWN |
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CN07 |
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CN13 |
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6 5 |
4 3 2 |
1 |
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1 2 |
3 4 5 |
6 7 8 |
9 10 |
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RED |
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RED |
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SG01 |
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R09 |
R507 |
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WHI |
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WHITE |
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CN100 |
CN101 |
SWITCH |
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BLK |
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IC04 |
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YEL |
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YELLOW |
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P04 |
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MAIN PCB |
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1 |
1 |
WHI |
1 |
PCB |
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BLU |
: |
BLUE |
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R22 |
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MCC-865A |
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GRY |
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2 |
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2 |
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BLACK |
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F01 |
FUSE |
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3 |
3 |
GRY |
3 |
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GR Y |
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GRA Y |
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L01 |
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R01 |
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MCC-865B |
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PNK |
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PINK |
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T6.3A |
250V AC |
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DB01 |
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ORN |
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ORANGE |
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GRN&YEL |
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GREEN& |
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R21 |
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C15 |
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C01 |
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YELLOW |
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SUPPLYPOWER CIRCUIT |
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GRN |
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GREEN |
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C02 |
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PUR |
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PURPLE |
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CN30 |
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BLK |
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WHI |
CN31 |
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R Y401 |
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R Y501 |
CR502 |
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RED |
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DC12V |
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THERMO |
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DC5V |
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SENSOR |
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CN03 |
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(TA) |
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R405 |
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BLK |
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1 |
1 |
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CR501 |
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IC03 |
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2 |
2 |
BLK |
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CR401 |
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C501 |
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HEAT |
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CN23 |
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EXCHANGER |
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SENSOR |
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GRN&YEL |
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CN01 |
BLK |
(TC) |
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J401 |
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1 |
1 |
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2 |
2 |
BLK |
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R506 |
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2 1 |
CN402 |
CN401 |
1 2 3 |
CN1 1 |
1 2 |
3 |
5 |
3 |
1 |
CN10 |
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BLK |
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FOR FLOA |
T SWITCH |
FOR DRAIN PUMP |
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1 |
2 |
3 |
5 |
3 |
1 |
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WHI |
1 |
1 |
WHI |
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(OPTION) |
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(OPTION) |
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When you use float |
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RED |
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RED |
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FAN |
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3 |
3 |
PUR |
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MOTOR |
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switch you should |
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cut J401 |
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BLK |
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6 |
6 |
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BR W |
3 |
3 |
BLU |
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GR Y |
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2 |
2 |
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YEL |
GR Y |
|||
1 |
1 |
|||
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INDOOR |
1 |
2 |
3 |
INDOOR |
|
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TERMINAL |
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||||
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UNIT |
|
MAIN P.C. BOARD (MCC-890) |
|
BLOCK |
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TRANSFORMER |
||
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OUTDOOR |
BLK 1 |
1 |
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DISCHARGE |
||
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POWER SUPPLY |
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UNIT |
BLK |
|
2 |
CN06 |
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|||||
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220-240 V~ 50 Hz |
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3 3 |
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PIPE |
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SENSOR (TD) |
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RED |
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1 |
1 |
CN05 |
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1 |
1 |
BLU |
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OUTDOOR |
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CN07 |
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RED |
3 3 |
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2 |
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|||||
TERMINAL |
L |
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N |
|
1 |
2 |
3 |
GRN&YEL |
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SG01 |
TNR |
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3 |
3 |
BLU |
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BLOCK |
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FERRITE CORE |
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BLK |
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R74 |
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1 1 |
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BLK |
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BLK |
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F01 |
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RED |
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3 3 |
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GRN&YEL |
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250VAC T6. 3A |
TNR |
|
1 1 |
BLK |
||||||||
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WHI |
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5 5 |
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R73 |
CN08 2 |
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RED 7 |
7 |
CN01 |
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3 |
3 |
BLK |
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CHASSIS |
GRY 9 9 |
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HEAT |
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BLK |
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RED |
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EXCHANGER |
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SENSOR (TE) |
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MAGNETIC |
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RY07 |
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CONTACTOR |
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BLU 1 1 |
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CN11 |
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R |
S |
T |
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3 3 |
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A1 |
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YEL |
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CR11 |
RY05 |
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52C |
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BLU 1 1 |
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U |
V |
W |
A2 |
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CN02 |
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3 3 |
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BLU |
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CR12 |
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COIL FOR |
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4 WAY VALVE |
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CR13 |
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RY06 |
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CAPACITOR |
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CAPACITOR |
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RED |
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RED |
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CN03 |
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C |
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1 |
3 |
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R |
S |
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WHI |
S |
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WHI |
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1 |
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|||
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C |
BLK |
|
BLK |
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BLK |
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||
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PNK |
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RED |
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||||
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|||||
COMPRESSOR TERMINAL |
|
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R |
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FAN MOTOR |
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||
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COMPRESSOR |
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|
−9 −
FILE NO. SVM-05014
3-2. RAS-24UFHP-ES4 / RAS-24UAH-ES4
COLOR IDENTIFICA TION
BR W |
: |
BROWN |
RED |
: |
RED |
WHI |
: |
WHITE |
YEL |
: |
YELLOW |
BLU |
: |
BLUE |
BLK |
: |
BLACK |
GR Y |
: |
GRA Y |
PNK |
: |
PINK |
ORN |
: |
ORANGE |
GRN&YEL |
: |
GREEN& |
|
|
YELLOW |
GRN |
: |
GREEN |
PUR |
: |
PURPLE |
|
ORN |
|
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RED |
|
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|
|
|
|
INFRARED RA |
|
YS RECEIVE |
|||||||
|
|
|
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|
|
|
AND INDICA TION P AR TS |
||||||||||
LOUVER |
PNK |
|
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|
||||||||||
|
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||
YEL |
|
|
|
|
|
|
|
1 |
2 |
3 4 |
5 |
|
6 7 |
8 |
9 10 |
|||
MOT OR |
|
|
|
|
|
|
CN25 |
|
||||||||||
|
BR W |
|
|
|
|
|
1 |
2 |
3 4 |
5 |
6 7 |
8 |
9 10 |
|||||
|
|
|
|
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|
||||||||||||
|
BLU |
|
|
|
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BLU BLU |
BLU BLU BLU BLU |
BLU BLU BLU WHI |
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CN07 |
6 5 |
4 3 2 |
1 |
CN13 |
1 2 |
3 4 5 |
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6 7 8 |
9 10 |
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6 |
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9 10 |
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SG01 |
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R09 |
R507 |
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BLK |
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IC04 |
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MAIN PCB |
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P04 |
R22 |
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F01 |
FUSE |
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L01 |
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T6.3A |
250V AC |
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R01 |
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R21 |
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C15 |
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C01 |
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BLK |
CN30 |
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WHI |
CN31 |
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R Y401 |
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R Y501 |
CR502 |
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R405 |
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CR501 |
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CR401 |
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C501 |
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CN23 |
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GRN&YEL |
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J401 |
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2 1 |
CN402 |
CN401 |
1 2 3 |
CN1 1 |
1 2 |
3 |
5 |
3 |
1 |
CN10 |
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FOR FLOA |
T SWITCH |
FOR DRAIN PUMP |
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2 |
3 |
5 |
3 |
1 |
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WHI |
1 |
1 |
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(OPTION) |
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(OPTION) |
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When you use float |
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RED |
3 |
3 |
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switch you should |
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cut J401 |
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BLK |
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6 |
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BR W |
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3 |
3 |
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GR Y |
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YEL |
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1 |
1 |
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DB01 |
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C02 |
POWER SUPPLY |
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DC12V |
CIRCUIT |
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DC5V |
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IC03 |
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CN100 |
CN101 |
SWITCH |
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1 |
1 |
WHI 1 |
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PCB |
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2 |
2 |
GR Y 2 |
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3 |
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GR Y 3 |
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MCC-865B
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THERMO |
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SENSOR |
CN03 |
(TA) |
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1 1 BLK
2 2 BLK
HEAT
EXCHANGER
SENSOR
CN01 (TC)
1 1 BLK 2 2 BLK
R506
BLK |
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WHI |
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RED |
FAN |
PUR |
MOTOR |
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BLU |
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GR Y |
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INDOOR |
1 |
2 |
3 |
INDOOR |
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TERMINAL |
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UNIT |
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MAIN P.C. BOARD (MCC-890) |
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BLOCK |
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TRANSFORMER |
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OUTDOOR |
BLK 1 |
1 |
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DISCHARGE |
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POWER SUPPLY |
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UNIT |
BLK |
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2 |
CN06 |
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220-240 V~ 50 Hz |
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3 3 |
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PIPE |
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SENSOR (TD) |
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RED |
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1 |
1 |
CN05 |
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1 |
1 |
BLU |
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OUTDOOR |
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CN07 |
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RED |
3 3 |
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2 |
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TERMINAL |
L |
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N |
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1 |
2 |
3 |
GRN&YEL |
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SG01 |
TNR |
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3 |
3 |
BLU |
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BLOCK |
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FERRITE CORE |
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BLK |
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R74 |
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1 1 |
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BLK |
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BLK |
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F01 |
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RED |
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3 3 |
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GRN&YEL |
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250VAC T6. 3A |
TNR |
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1 1 |
BLK |
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WHI |
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5 5 |
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R73 |
CN08 2 |
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RED 7 |
7 |
CN01 |
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3 |
3 |
BLK |
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CHASSIS |
GRY 9 9 |
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HEAT |
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BLK |
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RED |
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EXCHANGER |
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SENSOR (TE) |
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MAGNETIC |
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RY07 |
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CONTACTOR |
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BLU 1 1 |
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CN11 |
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R |
S |
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T |
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3 3 |
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A1 |
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YEL |
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CR11 |
RY05 |
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(1/L1) |
(3/L2) |
(5/L3) |
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(2/T1) |
(4/T2) |
(6/T3) |
52C |
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BLU 1 1 |
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A2 |
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CN02 |
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U |
V |
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W |
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3 3 |
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BLU |
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CR12 |
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COIL FOR |
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4 WAY VALVE |
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CR13 |
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RY06 |
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CAPACITOR |
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CAPACITOR |
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RED |
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RED |
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C |
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CN03 |
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1 |
3 |
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R |
S |
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S |
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1 |
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WHI |
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WHI |
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C |
BLK |
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BLK |
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BLK |
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PNK |
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RED |
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COMPRESSOR TERMINAL |
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R |
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FAN MOTOR |
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COMPRESSOR |
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− 10 −
FILE NO. SVM-05014
3-3. RAS-18UFP-ES4 / RAS-18UA-ES4
OR N
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R E D |
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INF R AR E D R AY S R E C E IVE |
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AND INDIC AT ION PAR T S |
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LOUVE R |
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P NK |
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Y E L |
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1 2 3 4 5 6 7 |
8 |
9 10 |
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MOTOR |
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C N25 |
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B R W |
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1 2 3 4 5 6 7 8 9 10 |
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B LU |
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B LU B LU B LU B LU B LU B LU |
B LU B LU B LU WHI |
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C OLOR IDE NT IF IC AT ION |
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6 |
5 |
4 3 |
2 |
1 |
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1 |
2 |
3 4 |
5 |
6 7 |
8 |
9 10 |
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B R W |
: |
B R OWN |
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C N07 |
C N13 |
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6 |
5 |
4 |
3 |
2 |
1 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 10 |
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R E D |
: |
R E D |
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S G 01 |
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R 09 |
R 507 |
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WHI |
: |
WHIT E |
B LK |
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C N100 C N101 |
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Y E L |
: |
Y E LLOW |
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IC 04 |
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MAIN P C B |
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S WIT C H |
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B LU |
: |
B LUE |
P 04 |
R 22 |
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1 |
1 |
WHI |
1 |
P C B |
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MC C -865A |
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B LK |
: |
B LAC K |
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2 |
2 |
G R Y 2 |
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3 |
3 G R Y 3 |
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G R Y |
: |
G R AY |
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F 01 F US E |
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L01 |
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P NK |
: |
P INK |
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T 6.3A 250VAC |
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R 01 |
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C 02 |
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P UR P LE |
C N30 |
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R 405 |
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C 501 |
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S E NS OR |
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C N01 |
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J 401 |
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R 506 |
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C N402 |
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C N401 1 |
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C N11 |
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1 C N10 |
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F OR F LOAT S WIT C H |
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WHI |
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(OP T ION) |
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R E D |
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R E D |
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FAN |
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When you use float |
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P UR |
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switch you should |
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cut J 401 |
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B LK |
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B R W |
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G R Y |
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Y E L |
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INDOOR |
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INDOOR |
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TERMINAL |
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UNIT |
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POWER SUPPLY |
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OUTDOOR |
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220 − 240 V ~ 50 Hz |
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UNIT |
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OUTDOOR |
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TERMINAL |
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BLOCK |
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BLK |
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GRN&YEL |
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BLK |
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RED |
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GRN&YEL |
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BLK |
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CHASSIS |
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SPARK KILLER
GRY
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R |
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T |
A1 |
(or A) |
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MAGNETIC |
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CONTACTOR |
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A2 |
(or B) |
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U |
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W |
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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 |
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WHI |
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C |
BLK |
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RED |
BLK |
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PNK |
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R
FAN MOTOR
COMPRESSOR
C
R S
COMPRESSOR TERMINAL
− 11 −
FILE NO. SVM-05014
3-4. RAS-24UFP-ES4 / RAS-24UA-ES4 |
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ORN |
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RED |
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INFRARED RA |
YS RECEIVE |
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AND INDICA TION P AR TS |
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LOUVER |
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PNK |
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YEL |
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1 |
2 |
3 4 |
5 |
6 7 |
8 |
9 10 |
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MOT OR |
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CN25 |
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BR W |
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1 2 3 4 5 6 7 8 9 10 |
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BLU |
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BLU |
BLU |
BLU BLU BLU BLU |
BLU |
BLU BLU WHI |
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COLOR IDENTIFICA |
TION |
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6 5 |
4 3 2 |
1 |
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1 2 |
3 4 5 |
6 7 8 |
9 10 |
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BR W |
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BROWN |
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CN07 |
CN13 |
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6 |
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9 10 |
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RED |
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RED |
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SG01 |
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R09 |
R507 |
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WHI |
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WHITE |
BLK |
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IC04 |
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CN100 |
CN101 |
SWITCH |
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YEL |
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YELLOW |
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MAIN PCB |
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BLU |
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BLUE |
P04 |
R22 |
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1 |
1 |
WHI |
1 |
PCB |
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MCC-865A |
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GR Y |
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BLK |
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BLACK |
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2 |
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3 |
3 GR Y 3 |
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GR Y |
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GRA Y |
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F01 |
FUSE |
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L01 |
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PNK |
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PINK |
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T6.3A 250V AC |
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R01 |
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DB01 |
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MCC-865B |
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ORN |
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ORANGE |
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GRN&YEL |
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GREEN& |
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R21 |
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C15 |
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C01 |
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Y |
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YELLOW |
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GRN |
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GREEN |
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C02 |
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POWER SUPPL CIRCUIT |
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PUR |
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PURPLE |
CN30 |
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BLK |
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WHI |
CN31 |
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CR02 |
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R Y401 |
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R Y501 |
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RED |
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CR502 |
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DC12V |
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R Y04 |
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THERMO |
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CN27 |
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DC5V |
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SENSOR |
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1 |
1 |
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CN03 |
(TA) |
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R405 |
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1 |
1 |
BLK |
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3 3 |
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CR501 |
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IC03 |
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2 |
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BLK |
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CR401 |
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C501 |
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HEA T |
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EXCHANGER |
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SENSOR |
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GRN&YEL |
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CN01 |
(TC) |
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J401 |
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1 |
1 |
BLK |
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2 |
2 |
BLK |
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R506 |
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2 1 |
CN402 |
CN401 |
1 2 3 |
CN1 1 |
1 2 |
3 |
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5 |
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1 CN10 |
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BLK |
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FOR FLOA |
T SWITCH |
FOR DRAIN PUMP |
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3 |
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5 |
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1 |
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WHI |
1 |
1 |
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WHI |
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(OPTION) |
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(OPTION) |
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RED |
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RED |
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FA N |
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When you use float |
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3 |
3 |
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PUR |
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MOT OR |
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switch you should |
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cut J401 |
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BLK |
6 |
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BR W |
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3 |
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BLU |
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GR Y |
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2 |
2 |
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YEL |
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GR Y |
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1 |
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INDOOR |
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INDOOR |
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TERMINAL |
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BLOCK |
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UNIT |
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POWER SUPPLY |
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OUTDOOR |
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220 − 240 V ~ 50 Hz |
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UNIT |
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OUTDOOR |
L |
N |
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TERMINAL |
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BLOCK |
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GRN&YEL |
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BLK |
RED |
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CHASSIS |
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RED |
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BLK |
BLK |
GRY |
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SPARK KILLER |
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A2 52C A1 |
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RED |
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RED |
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CAPACITOR |
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WHI |
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BLK |
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1/L1 |
2/T1 |
RED |
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RED |
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CAPACITOR |
WHI |
S |
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C |
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FAN MOTOR |
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3/L2 |
4/T2 |
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PNK |
R |
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BLK |
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C |
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R |
S |
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COMPRESSOR |
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5/L3 6/T3
COMPRESSOR TERMINAL
MAGNETIC CONTACTOR
− 12 −
FILE NO. SVM-05014
4. SPECIFICATION OF ELECTRICAL PARTS
4-1. Indoor Unit
No. |
Parts name |
Type |
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|
Specifications |
|
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||
1 |
Fan motor (for indoor) |
AFP-220-50-4A |
|
Output (Rated) 50W, 220-240V |
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2 |
Thermo sensor (TA-sensor) |
——— |
10k |
Ω at 25°C |
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3 |
DC-DC transformer (T01) |
SWT-47 |
|
DC 390V, Secondary DC 12V, 7V |
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4 |
Microcomputer |
TMP87CM40AN |
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5 |
Heat exchanger sensor |
——— |
10k |
Ω at 25°C |
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(TC-sensor) |
||||||
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6 |
Line filter (L01) |
SS11V-R07190 |
|
19mH, AC0.7A |
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7 |
Diode (DB01) |
D3SBA60 |
|
4A, 600V |
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8 |
Capacitor (C02) |
KMH400VSSN47M22S 47µF, 400V |
||||
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9 |
Fuse (F01) |
TSCR |
|
T6.3A, 250V |
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10 |
Varistor (R21, R22) |
15G561K |
|
560V |
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11 |
Resistor (R01) |
RF-2TK5R6 |
|
5.6Ω , 2W |
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12 |
Louver motor |
MP35EA12 |
|
Output (Rated) 2W, 6poles, 4phase, |
||
|
DC 12V |
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4-2. Outdoor Unit (RAS-18UAH-ES4)
No. |
Parts name |
Type |
Specifications |
|
|
|
|
|
Output (Rated) 1500W, 2poles, 1 phase, 220 − 240V, 50Hz |
||
1 |
Compressor |
5KS225DAA |
Winding resistance (Ω) |
Red-Black |
White-Black |
|
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(at 20°C) |
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|
1.632 |
2.457 |
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Output (Rated) 65W, 6poles, 1 phase, 220 – 240V, 50Hz |
||
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2 |
Fan motor (for outdoor) |
WLF-240-42A-2 |
Winding resistance (Ω) |
Red-Black |
White-Black |
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(at 20°C) |
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|
188 |
289 |
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3 |
Running capacitor |
451155L |
AC 450V, 1.5µF |
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(for fan motor) |
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4 |
Running capacitor |
BUM44X4505B |
AC 440V, 45µF |
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(for compressor) |
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5 |
Solenoid coil |
VHV (STF) |
AC 220 − 240V |
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(for 4-way valve) |
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6 |
Thermo sensor |
TE / TD |
10kΩ at 25°C / 50kΩ at 25°C |
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7 |
Magnetic contactor |
CLK-26J |
220 − 240V, 50Hz |
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8 |
Transformer |
TT-05 |
220 − 240V |
|
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9 |
Microcomputer |
TMP47C840N |
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10 |
Varistor (R73, R74) |
15G471K |
470V |
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11 |
Fuse (F01) |
TSCR |
T6.3A, 250V |
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– 13 –
FILE NO. SVM-05014
4-3. Outdoor Unit (RAS-18UA-ES4)
No. |
Parts name |
Type |
Specifications |
|
|
|
|
|
Output (Rated) 1500W, 2poles, 1 phase, 220 − 240V, 50Hz |
||
1 |
Compressor |
5KS225DAA |
Winding resistance (Ω) |
Red-Black |
White-Black |
|
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(at 20°C ) |
1. 632 |
2.457 |
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Output (Rated) 42W, 6poles, 1 phase, 220 − 240V, 50Hz |
||
2 |
Fan motor (for outdoor) |
WLF-240-42A-1 |
Winding resistance (Ω) |
Red-Black |
White-Black |
|
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(at 20°C) |
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|
188 |
289 |
|
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3 |
Running capacitor |
451155L |
AC 450V, 1.5µF |
|
|
(for fan motor) |
|
|
|||
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4 |
Running capacitor |
BUM44X4505B |
AC 440V, 45μF |
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(for compressor) |
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5 |
Magnetic contactor |
CLK-26J |
220 − 240V, 50Hz |
|
|
4-4. Outdoor Unit (RAS-24UAH-ES4)
No. |
Parts name |
Type |
Specifications |
|
|
|
|
|
Output (Rated) 2200W, 2poles, 1 phase, 220 − 240V, 50Hz |
||
1 |
Compressor |
5JS315DAG01 |
Winding resistance (Ω) |
Red-Black |
White-Black |
|
|
|
(at 20°C) |
|
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|
0.830 |
2.257 |
|
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|
Output (Rated) 65W, 6poles, 1 phase, 220 – 240V, 50Hz |
||
2 |
Fan motor (for outdoor) |
KFG6-71SB5P-T1 |
|
|
|
Winding resistance (Ω) |
Red-Black |
White-Black |
|||
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|
(at 20°C) |
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|
64.4 |
127.4 |
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3 |
Running capacitor |
451355L |
AC 450V, 3.5µF |
|
|
(for fan motor) |
|
|
|||
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4 |
Running capacitor |
BUM44X4505B |
AC 440V, 45µF |
|
|
(for compressor) |
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|||
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5 |
Solenoid coil |
VHV (STF) |
AC 220 ~ 240V |
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|
(for 4-way valve) |
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|||
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6 |
Thermo sensor |
TE / TD |
10kΩ at 25°C / 50kΩ at 25°C |
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7 |
Magnetic contactor |
A35 |
220 ~ 240V, 50Hz |
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8 |
Transformer |
TT-05 |
220 ~ 240V |
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9 |
Microcontroller |
TMP47C840N |
|
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10 |
Varistor (R73, R74) |
15G471K |
470V |
|
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11 |
Fuse (F01) |
TSCR |
T6.3A, 250V |
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|
– 14 –
FILE NO. SVM-05014
4-5. Outdoor Unit (RAS-24UA-ES4)
No. |
Parts name |
Type |
Specifications |
|
|
|
|
|
Output (Rated) 2200W, 2poles, 1 phase, 220 − 240V, 50Hz |
||
1 |
Compressor |
5JS315DAG01 |
Winding resistance (Ω) |
Red-Black |
White-Black |
|
|
|
(at 20°C) |
0.830 |
2.257 |
|
|
|
|
|
|
|
|
|
Output (Rated) 65W, 6poles, 1 phase, 220 − |
240V, 50Hz |
|
2 |
Fan motor (for outdoor) |
KFG6-71SB5P-T |
Winding resistance (Ω) |
Red-Black |
White-Black |
|
|
|
|
|
|
|
|
|
(at 20° C) |
64.4 |
127.4 |
|
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3 |
Running capacitor |
451355L |
AC 450V, 3.5μF |
|
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|
(for fan motor) |
|
|
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|
4 |
Running capacitor |
BUM44X4505B |
AC 440V, 45μF |
|
|
(for compressor) |
|
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|||
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5 |
Magnetic contactor |
A35 |
220 − 240V, 50Hz |
|
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|
– 15 –
FILE NO. SVM-05014
5. REFRIGERATION CYCLE DIAGRAM
5-1. RAS-18UFHP-ES4 / RAS-18UAH-ES4
|
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Indoor unit |
T |
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|
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Cooling |
Evaporator |
|
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|
0.39m |
Heating |
|
0.49m |
|
(Connecting pipe) |
|
|||
|
(Connecting pipe) |
|||
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|||
|
12.70 mm |
|
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Multi blade fan |
6.35 mm |
||
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||
0.39m |
|
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||
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||
(Flexible pipe) |
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12.70 mm |
P |
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O.D.:6.35 mm |
|
O.D.:12.70 mm |
|
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Packed valve |
|
Packed valve |
|
( 12.70) |
|
( 6.35) |
|
Heating |
|
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Cooling |
4-way valve |
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Muffler |
|
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Heating |
Cooling Compressor |
5KS225DAA |
|
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Capillary tube |
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|
2.0x1200S |
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Accumulator |
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Condenser |
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Refrigerant |
|
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Propeller fan |
R-410A 1.02 Kg |
Cooling |
Outdoor unit |
Mark ( |
|
) means check points of Gas Leak |
|
||||
|
||||
Heating |
|
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|
Standard |
Surface temp. of heat |
|
Ambient temp. |
|
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Fan speed |
conditions DB/WB |
|||
|
50Hz |
pressure P |
exchanger interchanging |
|||
|
(indoor) |
(°C) |
||||
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(MPaG) |
pipe T (°C) |
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Indoor |
Outdoor |
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Standard |
2.7 |
45.0 |
High |
20/– |
7/6 |
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Heating |
High temperature*1 |
3.0 ~ 3.8 |
49.0 ~ 58.0 |
Low |
27/– |
24/18 |
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Low temperature |
2.0 |
34.0 |
High |
20/– |
–10/–10 |
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Standard |
0.9 |
10.0 |
High |
27/19 |
35/24 |
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Cooling |
High temperature |
1.0 |
15.0 |
High |
32/23 |
43/26 |
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Low temperature |
0.6 |
1.0 |
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, the high temperature limit control operation is included.
– 16 –
FILE NO. SVM-05014
5-2. RAS-18UFP-ES4 / RAS-18UA-ES4
0.39m |
|
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||||||
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|||||||||||
(Connecting pipe) |
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||||||||||
12.70 mm |
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0.39m |
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(Flexible pipe) |
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12.70 mm |
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P |
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O.D.:12.70 mm |
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Packed valve |
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( |
12.70) |
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T
Indoor unit
Evaporator
0.49m (Connecting pipe)6.35 mm
Multi blade fan
O.D.:6.35 mm
Packed valve ( 6.35)
Compressor |
5KS225DAA |
|
Capillary tube |
|
|
|
1.7x600S |
|
|
Condenser |
|
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|
|
Refrigerant |
|
|
Propeller fan |
R-410A 1.16 Kg |
|
|
|
Outdoor unit Mark () means check points of Gas Leak
|
|
Standard |
Surface temp. of heat |
|
Ambient temp. |
|
|
|
Fan speed |
conditions DB/WB |
|||
|
50Hz |
pressure P |
exchanger interchanging |
|||
|
(indoor) |
(°C) |
||||
|
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(MPaG) |
pipe T (°C) |
|||
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Indoor |
Outdoor |
||
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||
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Standard |
1.1 |
10.0 |
High |
27/19 |
35/24 |
|
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Cooling |
High temperature |
1.2 |
13.0 |
High |
32/23 |
43/26 |
|
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|
Low temperature |
0.6 |
2.0 |
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 –
FILE NO. SVM-05014
5-3. RAS-24UFHP-ES4 / RAS-24UAH-ES4
|
Cooling |
0.39m |
Heating |
(Connecting pipe) |
|
12.70 mm |
|
0.39m |
|
(Flexible pipe) |
|
12.70 mm |
P |
O.D.:12.70 mm |
|
|
Packed valve |
|
( 12.70) |
T
Indoor unit
Evaporator |
Multi blade fan |
Packed valve
( 6.35)
0.49m (Connecting pipe)6.35 mm
O.D.:6.35 mm
|
Heating |
|
|
|
Cooling |
4-way valve |
|
|
|
Heating |
Cooling Compressor |
5JS315DAG01 |
|
|
Tank |
|
|
|
|
|
|
|
|
Capillary tube |
|
|
Condenser |
|
2.0x800S |
|
|
|
|
|
|
|
|
|
Refrigerant |
|
|
Propeller fan |
|
R-410A 1.50 Kg |
|
Cooling |
Outdoor unit |
Mark ( |
) means check points of Gas Leak |
|
Heating |
|
|
|
|
|
Standard |
Surface temp. of heat |
|
|
Ambient temp. |
||
|
|
Fan speed |
conditions DB/WB |
|||||
|
50Hz |
pressure P |
exchanger interchanging |
|||||
|
(indoor) |
|
(°C) |
|||||
|
|
(MPaG) |
pipe T (°C) |
|
||||
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Indoor |
|
Outdoor |
||
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|
|
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||
|
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|
|
Standard |
2.7 |
43.0 |
High |
20/– |
|
7/6 |
|
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|
|
|
|
|
|
|
|
Heating |
High temperature*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 |
High temperature |
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, the high temperature limit control operation is included.
– 18 –
FILE NO. SVM-05014
5-4. RAS-24UFP-ES4 / RAS-24UA-ES4
|
Cooling |
0.39m |
|
(Connecting pipe) |
|
12.70 mm |
|
0.39m |
|
(Flexible pipe) |
P |
12.70 mm |
O.D.:12.70 mm
Packed valve
( 12.70 )
T
Indoor unit |
Evaporator |
Multi blade fan |
Packed valve ( 6.35)
0.49m (Connecting pipe)6.35 mm
O.D.:6.35 mm
Tank |
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Capillary tube |
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2.0x700S |
Compressor |
5JS315DAG01 |
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Condenser |
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Refrigerant |
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Propeller fan |
R-410A |
1.60 Kg |
Cooling |
Outdoor unit |
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Standard |
Surface temp. of heat |
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Ambient temp. |
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Fan speed |
conditions DB/WB |
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50Hz |
pressure P |
exchanger interchanging |
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(°C) |
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(MPaG) |
pipe T (°C) |
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Indoor |
Outdoor |
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Standard |
0.6 |
6.0 |
High |
27/19 |
35/24 |
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Cooling |
High temperature |
1.1 |
10.0 |
High |
32/23 |
43/26 |
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Low temperature |
0.5 |
2.0 |
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 –
FILE NO. SVM-05014
6. CONTROL BLOCK DIAGRAM
6-1. RAS-18UFHP-ES4, RAS-24UFHP-ES4
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Indoor Unit Control Panel |
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M.C.U. |
8 MHz |
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Functions |
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Hi POWER |
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Heat Exchanger Sensor |
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Display |
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Louver Control |
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FILTER Sign |
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Temperature Sensor |
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3-minute Delay at Restart for Compressor |
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Motor Revolution Control |
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PRE DEF. |
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Infrared Rays Signal Receiver |
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Processing |
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Sign Display |
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(Temperature Processing) |
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TIMER |
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Initiallizing Circuit |
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Display |
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Infrared |
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Timer |
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Rays |
Clock Frequence |
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OPERATION |
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36.7 kHz |
Oscillator Circuit |
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• |
Drain Pump ON/OFF |
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Display |
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• |
Serial Signal Communication |
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Indoor Fan |
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Motor |
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Power Supply |
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Louver ON/OFF Signal |
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Circuit |
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Control |
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Louver Motor |
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Louver Driver |
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Noise Filter |
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Serial Signal |
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Transmitter/ |
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Relay |
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Float |
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Receiver |
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RY401 |
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Switch |
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Drain |
From Outdoor Unit |
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Pump |
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Serial Signal Communication |
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Infrared Rays |
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REMOTE CONTROL |
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Remote Control |
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Operation ()
Operation Mode Selection
AUTO, COOL, DRY, HEAT, FAN ONLY
Temperature Setting
Fan Speed Selection
ON TIMER Setting
OFF TIMER Setting
Louver Auto Swing
Louver Direction Setting
ECO
Hi power
TIMER 1.3.5.9H
COMFORT SLEEP
QUIET
– 20 –
FILE NO. SVM-05014
6-2. RAS-18UFP-ES4, RAS-24UFP-ES4
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Indoor Unit Control Panel |
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M.C.U. |
8 MHz |
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Functions |
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Hi POWER |
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Heat Exchanger Sensor |
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Display |
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• |
Louver Control |
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• |
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FILTER Sign |
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Temperature Sensor |
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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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FAN-ONLY |
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Infrared Rays Signal Receiver |
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Sign Display |
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Processing |
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(Temperature Processing) |
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TIMER |
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Initiallizing Circuit |
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Infrared |
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Display |
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• |
Timer |
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Rays |
Clock Frequency |
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OPERATION |
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36.7 kHz |
Oscillator Circuit |
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• |
Drain Pump ON/OFF |
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Display |
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• |
Compressor ON/OFF |
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Indoor Fan |
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Motor |
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Power Supply |
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Circuit |
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Driver |
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Louver ON/OFF Signal |
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Remote |
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Louver Motor |
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Control |
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Louver Driver |
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Noise Filter |
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Relay |
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Relay |
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Float |
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RY401 |
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Switch |
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RY04 |
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Drain |
From Outdoor Unit |
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Pump |
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Compressor |
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REMOTE CONTROL |
Infrared Rays |
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Remote Control |
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Operation ( ) |
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Operation Mode Selection |
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AUTO, COOL, DRY, 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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TIMER 1.3.5.9H |
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COMFORT SLEEP |
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QUIET |
– 21 –
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FILE NO. SVM-05014 |
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7. OPERATION DESCRIPTION |
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7-1. Outline of Air Conditioner Control |
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∙ Turning off the compressor and outdoor fan |
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This is a fixed capacity type air conditioner, which uses |
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when the outdoor unit receives the shutdown |
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command |
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a AC motor for an indoor fan. The AC motor drive |
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∙ Defrost control in heating operation |
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circuit is mounted in the indoor unit. And electrical |
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(Temperature measurement by the outdoor heat |
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parts which operate the compressor and the outdoor |
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exchanger and control for the four-way valve |
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fan motor, are mounted in the outdoor unit. |
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and the outdoor fan motor) *Heat pump Model |
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The air conditioner is mainly controlled by the indoor |
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only. |
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unit controller. The controller operates the indoor fan |
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7-1-1. Louver control |
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motor based upon commands transmitted by the |
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remote control and transfers the operation commands |
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(1) Vertical air flow louver |
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to the outdoor unit controller. |
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Position of veritcal air flow louver is automatically |
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The outdoor unit controller receives operation |
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controlled according to the operation mode. |
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commands from the indoor unit, and operates the |
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Besides, position of vertical air flow louver can be |
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outdoor fan motor and the compressor. |
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arbitrarily set by pressing [FIX] button. |
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(1) Role of indoor unit controller |
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The louver position which is set by [FIX] button is |
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The indoor unit controller receives the operation |
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stored in the microcomputer, and the louver is |
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commands from the remote control and executes |
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automatically set at the stored position for the next |
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them. |
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operation. |
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∙ Temperature measurement at the air inlet of the |
(2) Swing |
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indoor heat exchanger by the indoor |
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If [SWING] button is pressed when the indoor unit |
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temperature sensor |
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is in operation, the vertical air flow louver starts |
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∙ Temperature setting of the indoor heat |
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swinging. When [SWING] button is pressed, it |
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exchanger by the heat exchanger sensor |
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stops swinging. |
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∙ Louver motor control |
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∙ Indoor fan motor operation control |
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7-1-2. Indoor fan control (AC Fan motor) |
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∙ LED display control |
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∙ Transferring of operation commands to the |
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(1) The indoor fan is operated by the stepless speed |
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outdoor unit |
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change AC motor. |
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∙ Receiving of information of the operation status |
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(2) For air flow level, speed of the indoor fan motor is |
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and judging of the information or indication of |
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controlled in five steps (LOW, LOW+, MED, MED+ |
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error |
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and HIGH). If AUTO mode is selected, the fan |
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(2) Role of outdoor unit controller |
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motor speed is automatically controlled by the |
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The outdoor unit controller receives the operation |
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difference between the preset temperature and |
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commands from the indoor controller and |
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the room temperature. |
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executes them. |
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LOW+MED |
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∙ Compressor operation |
Operations according |
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LOW+ |
= |
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control |
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2 |
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to the commands |
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∙ Operation control of |
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MED+ |
= |
MED+HIGH |
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from the indoor unit |
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outdoor fan motor |
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Table 7-1-1 |
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2 |
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FAN TAP |
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Cooling |
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UH |
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H |
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M+ |
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M |
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L+ |
L |
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L- |
L |
SUL/SL- |
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OPERATION |
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Heat |
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UH |
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H |
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M |
L+ |
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L |
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L- |
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UL |
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SUL/SL- |
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MODE |
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Fan only |
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H |
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M+ |
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M |
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L+ |
L |
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L- |
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Dry |
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M+ |
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M |
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L+ |
L |
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L- |
UL |
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SUL |
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RAS-18UFHP Series |
rpm |
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1120 |
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1060 |
1030 |
970 |
950 |
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820 |
800 |
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650 |
600 |
500 |
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Air flow volume (m3/h) |
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830 |
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800 |
770 |
720 |
700 |
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600 |
580 |
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450 |
410 |
320 |
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RAS-18UFP Series |
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rpm |
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− |
1120 |
1060 |
1030 |
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900 |
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820 |
800 |
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650 |
600 |
− |
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Model |
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Air flow volume (m3/h) |
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− |
830 |
800 |
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770 |
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680 |
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− |
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600 |
580 |
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450 |
410 |
− |
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RAS-24UFHP Series |
rpm |
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1210 |
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1170 |
1090 |
1020 |
1000 |
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860 |
850 |
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700 |
690 |
640 |
540 |
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Air flow volume (m3/h) |
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930 |
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900 |
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920 |
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760 |
750 |
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660 |
650 |
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490 |
480 |
440 |
350 |
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RAS-24UFP Series |
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rpm |
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− |
1210 |
1170 |
1090 |
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− |
1000 |
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− |
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860 |
850 |
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700 |
690 |
640 |
− |
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Air flow volume (m3/h) |
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− |
930 |
900 |
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810 |
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− |
750 |
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− |
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660 |
650 |
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490 |
480 |
440 |
− |
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−22 −
7-2. Description of Operation Circuit
(1)When turning on the breaker, the operation lamp blinks. This means that the power is on (or the power supply is cut off.)
(2)When pressing [] button on the remote control, receiving beep sounds from the indoor unit, and the next operation is performed together with opening the vertical air flow louver.
(3)Once the operation mode is set, it is memorized in the microcontroller so that the previous operation can be effected thereafter simply by pressing
[] button.
7-2-1. Fan only operation
([MODE] button on the remote control is set to the fan only operation.)
(1)When [FAN] button is set to AUTO, the indoor fan motor operates as shown in Fig. 7-2-1. When [FAN] button is set to LOW, LOW+, MED, MED+ or HIGH, the motor operates with a constant air flow.
FILE NO. SVM-05014
7-2-2. Cooling operation
([MODE] button on the remote control is set to the cooling operation.)
(1)The compressor, 4-way valve, outdoor fan and operation display on the remote control are controlled as shown in Fig. 7-2-2.
temp.) |
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°C |
(Preset |
0.5 |
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(Room temp.) |
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Preset |
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0 |
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temp. |
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ON ON
OFF OFF OFF ON
Compressor |
4-way valve |
Outdoor fan |
OPERATION display lamp |
temp.) |
+3 |
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(Preset— |
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M+ |
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+2 |
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+2.5 |
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*1 |
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temp.) |
*1 |
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*1 |
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(Room |
+1.5 |
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+0.5 |
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+1 |
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L— |
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Preset 0 temp.
NOTE :
*1: The values marked with *1 are calculated and controlled by the difference in motor speed between M+ and L–.
(2)The Hi POWER, ECO and COMFORT SLEEP operation cannot be set.
Fig. 7-2-1 Setting of air flow [FAN:AUTO]
Fig. 7-2-2
(2)When [FAN] button is set to AUTO, the indoor fan motor operates as shown in Fig. 7-2-3. When [FAN] button is set to LOW, LOW+, MED, MED+ or HIGH, the motor operates with a constant air flow.
temp.) |
+3 |
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(Preset |
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M+ |
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+2.5 |
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*1 |
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— |
+2 |
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*1 |
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temp.) |
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+1.5 |
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*1 |
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(Room |
+1 |
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L— |
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+0.5 |
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Preset |
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0 |
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temp. |
-0.5 |
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NOTE :
*1: The values marked with *1 are calculated and controlled by the difference in motor speed between M+ and L–.
Fig. 7-2-3 Setting of air flow [FAN:AUTO]
– 23 –
7-2-3. Dry operation
([MODE] button on the remote control is set to the dry operation.)
(1)The compressor, 4-way valve, outdoor fan and operation display on the remote control are controlled as shown in Fig. 7-2-4.
FILE NO. SVM-05014
7-2-4. Heating operation *Heating and cooling model only
([MODE] button on the remote control is set to the heating operation.)
(1)The compressor, 4-way valve, outdoor fan and operation display on the remote control are controlled as shown in Fig. 7-2-6.
temp.)(Presettemp.) |
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ON:5min. OFF:5min.OFF:4min. |
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ON:5min. OFF:5min.OFF:4min. |
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°C |
ON:6min. |
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ON:6min. |
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+3 |
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(Room |
+2 |
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OFF |
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ON |
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+1 |
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OFF |
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OFF |
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Preset |
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0 |
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Compressor |
valveway-4 |
fanOutdoor |
OPERATION |
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temp. |
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lampdisplay |
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Fig. 7-2-4
(2)The microcontroller turns the compressor on and off at the regular intervals (4 to 6 minutes). While the compressor is turning off, the indoor fan motor operates in the SUPER LOW position.
The pattern of operation depending on the relation between room temperature and preset temperatures is shown in Fig. 7-2-5.
Room temp.
Preset temp.+1
Preset temp.
Compressor |
ON |
ON |
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ON |
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ON |
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Outdoor fan |
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OFF |
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OFF |
OFF |
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Indoor fan |
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L. |
*S.L. |
L. |
S.L. |
L. |
S.L. |
L. |
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*Super Low |
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Fig. 7-2-5
(3)[FAN] button on the remote control is set to AUTO only.
(4)The ECO and Hi POWER operations can not be set.
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°C |
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Preset |
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0 |
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temp. |
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temp.) |
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OFF |
ON |
OFF |
ON |
(Preset |
0.5 |
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(Roomtemp.) |
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ON |
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ON |
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Compressor |
way-4valve |
Outdoorfan |
OPERATION |
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displaylamp |
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Fig. 7-2-6
(2)When [FAN] button is set to AUTO, the indoor fan motor operates as shown in Fig. 7-2-7. When [FAN] button is set to LOW, LOW+, MED, MED+ or HIGH, the motor operates with a constant air flow.
Preset |
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0 |
L |
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temp. |
-0.5 |
*2 |
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temp.) |
-1.5 |
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-1 |
*1 |
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(Preset |
-2 |
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M+ |
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temp.) — |
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-5.0 |
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(Room |
-5.5 |
H |
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[FAN AUTO] |
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*1, *2 : The values marked with *1 and *2 are calculated and controlled by the difference in motor speed between M+ and L.
Fig. 7-2-7 Setting of air flow [FAN:AUTO]
– 24 –
(3)The indoor heat exchanger restricts revolving speed of the fan motor to prevent a cold draft. The upper limit of the revolving speed is shown in Fig. 7-2-8 and Table 7-2-1.
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AUTO |
Manual |
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(one of 5 |
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46 |
34 |
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speed) |
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45 |
33 |
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*4 |
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33 |
21 |
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L – H |
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(Up to |
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32 |
20 |
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setting |
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SUL*3 |
speed) |
*2 |
A + 4 |
A + 4 |
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SUL*1 |
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A – 8 |
A – 8 |
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Stop |
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*6 |
*5 |
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NOTES :
*1: The fan stops for 2 minutes after thermostat-OFF.
*2: A is 24°C when the preset temperature is 24°C or more and A is the preset temperature when it is under 24°C.
*3: SUL means Super Ultra Low.
*4: Calculated from difference in motor speed between SUL and HIGH.
Fig. 7-2-8 Cold draft preventing control
*5 and *6:
Table 7-2-1
Fan |
*5 |
*6 |
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speed |
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Starting period |
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Stabilized period |
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AUTO |
• |
Up until 12 minutes |
• |
From 12 to 25 minutes |
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passed after starting |
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passed after starting |
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• |
the unit |
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the unit and room |
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From 12 to 25 minutes |
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temperature is between |
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passed after starting |
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preset temperature and |
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the unit and room |
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3°C lower than preset |
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temperature is 3°C |
• |
temperature |
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lower than preset |
25 minutes or more |
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temperature |
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passed after starting |
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the unit |
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Manual |
• |
Room temperature |
• |
Room temperature |
(L – H) |
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< Preset temperature |
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Preset temperature |
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–4°C |
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–3.5°C |
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FILE NO. SVM-05014
7-2-5. Automatic operation
([MODE] button on the remote control is set to the automatic operation.)
(1)One of 3 operations (Cooling, Fan only or Heating) is selected according to difference between the preset temperature and the room temperature at which the automatic operation has started, as shown in Fig. 7-2-9. The Fan only operation continues until the room temperature reaches a level at which another mode is selected.
(2)Temporary Auto
When the TEMPORARY button on the indoor unit is pushed, the preset temperature is fixed at 24°C and the indoor unit is controlled as shown in
Fig. 7-2-9.
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°C |
Cooling operation |
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The louver moves to the position same |
temp.) |
+4 |
as Hi POWER operation. |
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(Preset– |
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Cooling operation |
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0 |
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temp.) |
Fan only operation |
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–1 |
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(Room |
Heating operation |
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RAS-18UFHP-ES4 |
RAS-18UFP-ES4 |
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RAS-24UFHP-ES4 |
RAS-24UFP-ES4 |
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Fig. 7-2-9 |
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– 25 –