FILE NO. SVM-09029
SERVICE MANUAL
AIR CONDITIONER
SPLIT WALL TYPE
RAS-10SKHP-ES / RAS-10S2AH-ES RAS-10SKP-ES / RAS-10SA-ES
January, 2009
FILE NO. SVM-09029
CONTENTS
1.SPECIFICATIONS
2.CONSTRUCTION VIEWS
2-1 Indoor Unit
2-2 Outdoor Unit
3.WIRING DIAGRAM
3-1 RAS-10SKHP-ES / RAS-10S2AH-ES 3-2 RAS-10SKP-ES / RAS-10SA-ES
4.SPECIFICATION OF ELECTRICAL PARTS
4-1 Indoor Unit (RAS-10SKHP-ES) 4-2 Outdoor Unit (RAS-10S2AH-ES) 4-3 Indoor Unit (RAS-10SKP-ES) 4-4 Outdoor Unit (RAS-10SA-ES)
5.REFRIGERATION CYCLE DIAGRAM
5-1 RAS-10SKHP-ES / RAS-10S2AH-ES 5-2 RAS-10SKP-ES / RAS-10SA-ES
6.CONTROL BLOCK DIAGRAM
6-1 RAS-10SKHP-ES / RAS-10S2AH-ES 6-2 RAS-10SKP-ES / RAS-10SA-ES
7.OPERATION DESCRIPTION
7-1 Remote control
7-2 Outline of Air Conditioner Control
7-3 Description of Operation Mode
7-4 High-Temperature Limit Control
7-5 Low-Temperature Limit Control
7-6 Defrost Operation
7-7 Current Limit Control
7-8 One-Touch Comfort
7-9 Hi POWER Mode
7-10 QUIET Mode
7-11 ECO Operation
7-12 COMFORT SLEEP mode
7-13 FILTER Check lamp
7-14 Auto Restart Function
7-15 Self-Cleaning function
- 1 -
FILE NO. SVM-09029
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 Others
9.TROUBLESHOOTING CHART
9-1 Troubleshooting Procedure
9-2 Basic Check Items
9-3 Primary Judgement
9-4 Self-Diagnosis by Remote Control (Check Code) 9-5 Troubleshooting Flowcharts
9-6 Troubleshooting for Remote Control
10.PART REPLACEMENT
10-1 Indoor Unit
10-2 Outdoor Unit
11.EXPLODED VIEWS AND PARTS LIST
11-1 Indoor Unit (E-Parts Assy)
11-2 Indoor Unit
11-3 Outdoor Unit (RAS-10S2AH-ES) 11-4 Outdoor Unit (RAS-10SA-ES)
- 2 -
FILE NO. SVM-09029
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MODEL |
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RAS-10SKHP-ES / RAS-10S2AH-ES |
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RAS-10SKP-ES / RAS-10SA-ES |
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ITEM |
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Cooling |
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Heating |
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Cooling |
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Capacity |
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220V |
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240V |
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220V |
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240V |
220V |
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240V |
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kW |
2.73 |
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2.73 |
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2.92 |
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2.96 |
2.73 |
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2.73 |
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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 |
kW |
0.83 |
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0.85 |
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0.79 |
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0.82 |
0.83 |
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0.85 |
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Power factor |
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% |
98 |
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97 |
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97 |
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96 |
98 |
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97 |
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Running |
Indoor |
A |
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0.15 |
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current |
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Outdoor |
A |
3.71 |
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3.50 |
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3.55 |
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3.40 |
3.71 |
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3.50 |
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Starting current |
A |
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18 |
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Moisture removal |
lit/h |
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1.2 |
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Noise |
Indoor (H/M+/M/L+/L) dB |
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39/37/35/33/31 |
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Outdoor (220-240V) |
dB |
47 |
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49 |
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47 |
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49 |
46 |
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47 |
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Refrigerant |
Name of refrigerant |
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R410A |
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Rated amount |
kg |
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0.78 |
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0.72 |
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Refrigerant control |
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Capillary tube |
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Gas side size |
mm |
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9.52 |
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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 |
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Maximum length |
m |
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10*1 |
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(One way) |
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Maximum height |
m |
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5 |
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difference |
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INDOOR UNIT |
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RAS-10SKHP-ES |
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RAS-10SKP-ES |
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Height |
mm |
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250 |
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Dimensions |
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Width |
mm |
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740 |
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Depth |
mm |
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195 |
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Net weight |
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kg |
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8 |
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Evaporator type |
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Finned tube |
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Indoor fan type |
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Cross flow fan |
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High fan |
m3/h |
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540 |
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560 |
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540 |
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Air volume |
Medium fan |
m3/h |
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460 |
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500 |
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460 |
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Low fan |
m3/h |
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390 |
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400 |
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390 |
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Fan motor output |
W |
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20 |
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Air filter |
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Honeycomb woven filter with PP frame |
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OUTDOOR UNIT |
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RAS-10S2AH-ES |
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RAS-10SA-ES |
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Height |
mm |
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550 |
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Dimensions |
Width |
mm |
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780 |
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Depth |
mm |
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290 |
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Net weight |
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kg |
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31 |
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30 |
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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 |
2030 |
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2150 |
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2030 |
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2150 |
1740 |
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1850 |
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Fan motor output |
W |
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30 |
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20 |
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Compressor |
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Model |
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PA108X1C-4FZDN |
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Output |
W |
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750 |
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Safety device |
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Fuse, Overload relay |
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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 |
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−10 ~ 24 |
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15 ~ 43 |
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− 3 −
FILE NO. SVM-09029
Note : 1
· Capacity is based on the following temperature conditions.
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Condition |
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JIS C9612 |
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Temperature |
Cooling |
Heating |
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Indoor unit inlet air temperature |
(DB) |
27°C |
20°C |
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(WB) |
19°C |
15°C |
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Outdoor unit inlet air temperature |
(DB) |
35°C |
7°C |
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(WB) |
24°C |
6°C |
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Note : 2
*1 No need to change extra refigerant.
- 4 -
FILE NO. SVM-09029
2-1. Indoor Unit
Front panel
60 |
8 |
Knock out system
Air inlet |
Air filter |
Heat exchanger |
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739 |
252 |
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Air outlet |
195 |
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52 |
58 |
8 |
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Knock out system
50 |
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50 |
157 |
55 |
60 |
60 |
55 |
56 |
19 |
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Wireless remote controller |
104.39 |
499 |
133.41 |
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125 |
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63 |
26 |
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Remote controller holder |
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Drain hose (0.5m) |
290 |
Connecting pipe (0.37m) |
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(Flare 6.35) |
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Hanger |
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Connecting pipe (0.37m) |
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(Flare 9.52) |
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606 |
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For stud bold ( 8~ 10) |
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235 |
235 |
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215 |
215 |
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For stud bold ( 6) |
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Hanger |
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26.6 |
45.9 |
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45.9 |
250 |
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164.1 |
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40 |
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Hanger |
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Hanger |
38 |
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90 |
135 |
145 |
145 |
135 |
90 |
Installation plate outline
Center line
– 5 –
FILE NO. SVM-09029
2.2. Outdoor Unit
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A |
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28 |
108 |
125 |
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600 |
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50 |
R15 |
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36 |
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306 |
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320 |
86 |
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320 |
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320 |
306 |
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Ø6 hole |
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R5.5 |
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Ø6 hole |
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36 |
R15 |
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Ø11x14 hole |
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A detail Drawing (Back leg) |
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50 |
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Ø25 Drain outlet |
2- Ø11 x 14 |
Hole |
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B Detail Drawing (Front leg) |
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(For Ø8 -Ø10 anchor bolt) |
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550 |
290 |
FAN-GUARD |
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Ø 436 |
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275 |
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90 |
600 |
90 |
69 |
320 |
342 |
COVER-PV
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Electrical part cover |
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Liquid side |
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(Flare Ø6.35) |
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Gas side |
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(Flare Ø9.52) |
129 |
84 |
5 |
4 |
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Z View |
Service port |
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600 |
2 -R5-5x17L UShape (For Ø8Ø10 anchor bolt) |
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45 or more |
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Air intlel |
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600 or more |
320 |
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100 or more |
Air outlel |
400 or more |
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2-Ø11x14 Long holes(For Ø8 - Ø10 anchor bolt) |
Installation dimension
− 6 −
FILE NO. SVM-09029
3-1. RAS-10SKHP-ES / RAS-10S2AH-ES
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BLK |
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P04 |
L |
BRW |
N |
BLU |
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GRN & YEL |
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CN31 |
SINGLE PHASE |
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220-240V 50/60Hz |
T02
C.T.
BLK
WHI
1 1
3 3
CN27 CN03
1 2
1 2
BLK |
BLK |
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73 C x2 |
LOUVER |
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INFRARED RAYS RECEIVE |
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THERMAL FUSE |
MOTOR |
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AND INDICATION PARTS |
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CN25 1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
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PINK |
PINK |
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1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
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YEL YEL YEL YEL |
WHI |
BLU |
BLU |
BLU |
BLU |
BLU |
BLU |
BLU WHI |
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1 2 |
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5 4 3 2 1 |
1 2 3 4 |
5 6 |
7 8 |
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1 2 CN04 |
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5 4 3 2 1 |
1 2 3 4 |
5 6 7 8 CN14 |
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CN07 |
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SG01 |
R22 |
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DC5V |
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Micro |
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DSA |
VARISTOR |
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Voltage |
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Power |
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Regulator |
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Module |
DC12V |
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3 |
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T6.3A 250VAC |
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R |
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1STO |
C01 |
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C02 |
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R319 |
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R2 |
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+ |
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RY01 |
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ARI |
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V |
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C63 |
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L01 |
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DB01 |
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4 |
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IC35 |
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BLK |
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MAIN P.C. BOARD |
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WP-015 |
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RY03 |
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RY04 |
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C15 |
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CR02 |
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3 |
1 |
CN11 |
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CN10 5 |
1 |
2 3 |
|||||
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145 C |
1 1 |
BLK |
5 |
3 |
1 |
1 2 3 |
||||
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2 2 |
GRY |
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CN01 |
CR01 |
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3 3 |
YEL |
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BRWRED |
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THERMO |
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1 |
2 |
HEAT EXCHANGER |
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4 4 |
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1 |
2 |
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5 5 |
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|||||
SENSOR (TA) |
SENSOR (TC) |
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6 6 |
WHI |
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BLK |
BLK |
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AC FAN MOTOR
INDOOR |
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BLK |
WHI |
RED |
BLU |
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TERMINAL |
1 |
2 |
3 |
4 |
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BLOCK |
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INDOOR |
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OUTDOOR |
OUTDOOR |
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TERMINAL |
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CHASSIS |
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BLOCK |
BLK |
1(L) |
2(N) |
3 |
4 |
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BLU |
BLU |
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SOLENOID COIL |
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OVER LOAD RELAY |
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RED |
CAPACITOR |
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BLK |
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RED |
RED |
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WHI BLK |
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COMPRESSOR |
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FAN |
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MOTOR |
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PNK |
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CAPACITOR |
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WHI |
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− 7 − |
FILE NO. SVM-09029
3-2. RAS-10SKP-ES / RAS-10SA-ES
POWER SUPPLY |
L |
BRW |
(From main line) |
N |
BLU |
1 220-240V |
|
GRN&YEL |
|
|
|
~50Hz |
GRN&YEL |
|
|
|
Heat exchanger
Heat exchanger |
CN01 |
||
Sensor(TC) |
|||
1 |
1 |
||
|
|||
|
2 |
2 |
Thermo sensor(TA) |
CN03 |
||||||
1 |
1 |
||||||
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|
|||
|
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2 |
2 |
|
receiverraysInfrared parts.indicationand |
|
CN25 |
BLU |
CN12 |
|||
017 |
1 |
1 |
1 |
1 |
|||
2 |
2 |
BLU |
2 |
2 |
|||
|
|
||||||
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BLU |
|||||
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3 |
3 |
3 |
3 |
||
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BLU |
|||||
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4 |
4 |
4 |
4 |
||
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BLU |
|||||
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5 |
5 |
5 |
5 |
||
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BLU |
|||||
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6 |
6 |
6 |
6 |
||
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BLU |
|||||
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7 |
7 |
7 |
7 |
||
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WHI |
|||||
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8 |
8 |
8 |
8 |
||
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|||||
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WP- |
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WHI
|
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BLK |
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CN31 |
|
BLK |
|
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P04 |
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3 |
|
|
DB01 |
WP-018 |
CN07 |
WHI |
1 |
1 |
|
|
|||
|
4 |
|
R64 |
1 |
1 |
YEL |
|
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|||||||
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||||
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2 |
2 |
2 |
2 |
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||
|
RY01 |
|
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3 |
3 |
YEL |
3 |
3 |
|
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C27 |
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4 |
4 |
YEL |
4 |
4 |
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||||||
|
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|
|
Switching power supply |
DC 12V |
5 |
5 |
YEL |
5 |
5 |
|
|
|
F01 |
|
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|||
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Louver motor |
||
6.3 |
A |
|
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||
250 VAC |
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DC 5V |
Voltage regulator |
|
|
CN11 |
|
|
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|
|
SG01 |
|
|
|
|
|
1 |
1 |
YEL |
|
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|
R62 |
R63 |
DSA |
|
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2 |
2 |
GRY |
|
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3 |
3 |
BRW |
|
1 |
1 |
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||
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IC03 |
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2 |
2 |
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3 |
3 |
|
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12V |
|
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|
|
AC motor |
||
|
2 |
|
1 |
3 |
1 |
|
C07 |
CN10 |
|
|
4 |
4 |
|
||
|
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5 |
5 |
WHI |
|
5 |
5 |
|
||
|
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|||||
|
C25 |
|
C26 |
MCU |
4 |
|
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6 |
6 |
|
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BLK |
|
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||||
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3 |
3 |
|
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|||
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3 |
L01 |
4 |
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2 |
|
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|||
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|
Fan motor |
|||
|
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|
RED |
|
|
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1 |
1 |
|
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CN04 |
1 |
1 |
|
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2 |
2 PNK |
|
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PNK |
|
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|
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|
o |
|
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|
|
Temp |
fuse 73 |
C x2 |
|
|
|
|
GRN&YEL
INDOOR
TERMINAL 1 |
2 |
BLOCK |
WHI |
BLK |
INDOOR
OUTDOOR
TERMINAL OUTDOOR
BLOCK
|
1(L) |
2(N) |
CHASSIS |
|
|
|
|
RED |
|
BLK |
BLK |
RED |
CAPACITOR |
CAPACITOR |
|
|
|
FAN MOTOR
RED
WHI
COMPRESSOR
OVERLOAD RELAY
RED
WHI
− 8 −
FILE NO. SVM-09029
4-1. Indoor Unit (RAS-10SKHP-ES)
|
|
No. |
Parts name |
|
|
|
Type |
|
|
Specifications |
|
||
|
|
1 |
Fan motor (for indoor) |
|
|
AFN-220-20-4D |
|
AC Motor with 145 °C thermo fuse |
|||||
|
|
|
|
|
|
|
|
|
|
|
|||
|
|
2 |
Thermo sensor (TA-sensor) |
|
|
|
|
10kW at 25°C |
|
|
|
||
|
|
3 |
Micro power module (M01) |
|
m |
|
|
|
|
|
|
|
|
|
|
RM1260V |
|
|
|
|
|
|
|||||
|
|
4 |
Microcontroller unit (IC30) |
|
TMP87CM40AFG-6P69 |
|
|
|
|
|
|
||
|
|
|
|
|
|
|
|
|
|
|
|
||
|
|
5 |
Heat exchanger sensor |
|
|
|
|
|
10kW at 25 C |
|
|
|
|
|
|
|
(TC-sensor) |
|
|
|
|
|
° |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||
|
|
6 |
Line filter (L01) |
|
|
LC*SS11V-R06270 |
|
27mH, 600mA |
|
|
|
||
|
|
|
|
|
|
|
|
|
|
|
|
||
|
|
7 |
Bridge rectifier (DB01) |
|
|
|
DB105G |
|
1A, 600 V |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||
|
|
8 |
Capacitor (C63) |
|
|
EKMH401VSN470MP20S |
|
47mF, 400 V |
|
|
|
||
|
|
|
|
|
|
|
|
|
|
|
|||
|
|
9 |
Fuse (F01) |
|
|
BET6.3A |
|
6.3A, 250VAC |
|
|
|
||
|
|
|
|
|
|
|
|
|
|
|
|||
|
|
10 |
Varistor (R21, R22) |
|
|
SR561K14DL |
|
560 V |
|
|
|
||
|
|
|
|
|
|
|
|
|
|
|
|||
|
|
11 |
Resistor (R319) |
|
|
RF-2TK5R6 |
|
5.6 W , 2 W |
|
|
|
||
|
|
|
|
|
|
|
|
|
|
|
|||
|
|
12 |
Louver motor |
|
|
MP24ZCT |
|
12VDC |
|
|
|
||
|
|
13 |
Relay (Comp., RY01) |
|
|
G4A-1A-E-CA |
|
Rating 20A/AC250 V, 12VDC |
|
||||
|
|
|
|
|
|
|
|
|
|||||
|
|
14 |
Relay (Fan, RY03) |
|
|
G5NB-CA |
|
Rating 3A/AC250 V, 12VDC |
|
||||
|
|
|
|
|
|
|
|
||||||
|
|
15 |
Relay (Solenoide, RY04) |
|
G5NB-1A |
|
Rating 3A/AC250 V, 12VDC |
|
|||||
|
|
|
|
|
|
|
|
|
|
|
|||
4-2. Outdoor Unit (RAS-10S2AH-ES) |
|
|
|
|
|
|
|
||||||
|
|
|
|
|
|
|
|
|
|
|
|||
|
|
No. |
Parts name |
|
Type |
|
|
Specifications |
|
||||
|
|
|
|
|
|
|
Output (Rated) 750W , 2poles, 1 phase, 220 − 240V, 50Hz |
||||||
|
1 |
Compressor |
|
|
|
|
|
|
|
|
|||
|
PA108X1C-4FZDN |
Winding resistance (Ω) |
|
C-R |
|
C-S |
|||||||
|
|
|
|
|
|
|
(at 20°C) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
3.75 |
|
4.75 |
||
|
|
|
|
|
|
|
|
|
|
|
|||
|
|
|
|
|
|
|
Output (Rated) 30W, 6poles, 1 phase, 220 − 240V, 50Hz |
||||||
|
|
|
|
|
|
|
|
|
|
|
|
||
|
2 |
Fan motor (for outdoor) |
WLF-240-30A |
Winding resistance (Ω) |
|
Red-Black |
|
White-Black |
|||||
|
|
|
|
|
|
|
(at 20°C) |
|
|
237 |
|
380 |
|
|
3 |
Running capacitor |
DS451155NPQB |
AC 450V~, 1.5μF |
|
|
|
||||||
|
(for fan motor) |
|
|
|
|||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
4 |
Running capacitor |
RS44B256U0213S |
AC 440V~, 25μF |
|
|
|
|
|
||||
|
(for compressor) |
|
|
|
|
|
|||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
5 |
Solenoid coil |
|
− |
AC 220 − 240V |
|
|
|
|
|
|||
|
(for 4-way valve) |
|
|
|
|
|
|
||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
6 |
Overload relay |
LPAP960B |
U/T: 6.1A(80°C), Open: 135±5°C, Close: 78±11°C |
|||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
- 9 -
FILE NO. SVM-09029
4-3. Indoor Unit (RAS-10SKP-ES)
|
|
No. |
Parts name |
|
|
|
Type |
|
Specifications |
|
||
|
|
|
|
|
|
|
||||||
|
1 |
Fan motor (for indoor) |
|
|
AFN-220-20-4D |
AC Motor with 145 °C thermo fuse |
||||||
|
|
|
|
|
|
|
|
|
|
|||
|
|
2 |
Thermo sensor (TA-sensor) |
|
|
10kW at 25°C |
|
|
|
|||
|
|
3 |
Switching transformer |
|
|
|
ST-02 |
|
|
|
|
|
|
4 |
Microcontroller unit (IC30) |
|
TMP87CM40ANG-6P68 |
|
|
|
|
|
|||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
5 |
Heat exchanger sensor |
|
|
|
|
10kW at 25 C |
|
|
|
||
|
|
|
(TC-sensor) |
|
|
|
|
° |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||
|
6 |
Line filter (L01) |
|
|
LC*SS11V-R06270 |
27mH, 600mA |
|
|
|
|||
|
|
|
|
|
|
|
|
|
|
|
||
|
7 |
Capacitor (C27) |
|
|
EKMH401VSN470MP20S |
47mF, 400 V |
|
|
|
|||
|
|
|
|
|
|
|
|
|
|
|
||
|
8 |
Fuse (F01) |
|
|
BET6.3A |
6.3A, 250VAC |
|
|
|
|||
|
|
|
|
|
|
|
|
|
|
|
||
|
|
9 |
Varistor (R62, R63) |
|
|
SR561K14DL |
560 V |
|
|
|
||
|
10 |
Resistor (R64) |
|
|
RF-2TK5R6 |
5.6 W , 2 W |
|
|
|
|||
|
|
|
|
|
|
|
|
|
|
|
||
|
11 |
Louver motor |
|
|
MP24ZCT |
12VDC |
|
|
|
|||
|
|
|
|
|
|
|
|
|
||||
|
12 |
Relay (Comp., RY01) |
|
|
G4A-1A-E-CA |
Rating 20A/AC250 V, 12VDC |
|
|||||
|
|
|
|
|
|
|
|
|
|
|||
4-4. Outdoor Unit (RAS-10SA-ES) |
|
|
|
|
|
|
||||||
|
|
|
|
|
|
|
|
|
|
|||
|
|
No. |
Parts name |
|
Type |
|
Specifications |
|
||||
|
|
|
|
|
|
|
Output (Rated) 750W, 2poles, 1 phase, 220 − 240V, 50Hz |
|||||
1 |
Compressor |
|
|
|
|
|
|
|
|
|||
PA108X1C-4FZDN |
Winding resistance (Ω) |
|
C-R |
|
C-S |
|||||||
|
|
|
|
|
|
|
(at 20°C) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
3.75 |
|
4.75 |
|
|
|
|
|
|
|
|
|
|
|
|
||
|
|
|
|
|
|
|
Output (Rated) 20W, 6poles, 1 phase, 220 − 240V, 50Hz |
|||||
|
|
|
|
|
|
|
|
|
|
|
|
|
2 |
Fan motor (for outdoor) |
|
SKF-240-20B |
Winding resistance (Ω) |
|
Red-Black |
|
White-Black |
||||
|
|
|
|
|
|
|
(at 20°C) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
235.2 |
|
260.1 |
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3 |
Running capacitor |
DS451155NPQB |
AC 450V~,1.5 μF |
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(for fan motor) |
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4 |
Running capacitor |
B32332I5256J063 |
AC 450V~,25 μF |
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(for compressor) |
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5 |
Overload relay |
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LPAP960B |
U/T: 6.1A(80°C), Open: 135±5°C, Close: 78±11°C |
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− 10 −
5-1. RAS-10SKHP-ES / RAS-10S2AH-ES
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Indoor unit |
T1 |
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Cooling |
Heat exchanger |
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0.39m |
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Heating |
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0.49m |
(Connecting pipe) |
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(Connecting pipe) |
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9.52 |
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Cross flow fan |
6.35 |
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O.D.:9.52mm |
P |
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O.D.:6.35mm |
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Packed valve |
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Packed valve |
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( 9.52) |
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( 6.35) |
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Heating |
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Cooling |
4-way valve |
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Capillary tube |
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1.5x1200l |
Heating |
Cooling Compressor |
PA108X1C-4FZDN |
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Capillary tube |
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Accumulator |
1.5x1000l |
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Heat exchanger |
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Refrigerant |
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Propeller fan |
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R410A : 0.78 kg. |
Cooling |
Outdoor unit |
Mark( |
)means check points of Gas Leak. |
Heating |
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Standar d |
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 inter changing |
(indoor) |
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(°C) |
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(MPaG) |
pipe T1 (°C) |
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Indoor |
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Outdoor |
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Standard |
2.95 |
43.5 |
High |
20/15 |
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7/6 |
Heating |
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Overload |
3.70 |
57.0 |
Low |
27/− |
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24/18 |
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Low temperature |
2.40 |
32.0 |
High |
20/− |
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−10/−10 |
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Standard |
0.93 |
10.5 |
High |
27/19 |
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35/24 |
Cooling |
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Overload |
1.08 |
15.0 |
High |
32/23 |
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43/26 |
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Low temperature |
0.69 |
2.0 |
Low |
21/15 |
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21/15 |
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Note :
∙ Measure the heat exchanger temperature at the center of U-bend. (By means of TC sensor)
− 11 −
FILE NO. SVM-09029
5-2. RAS-10SKP-ES / RAS-10SA-ES
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Indoor unit |
T1 |
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Cooling |
Heat exchanger |
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0.39m |
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0.49m |
(Connecting pipe) |
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(Connecting pipe) |
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9.52 |
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Cross flow fan |
6.35 |
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O.D.:9.52mm |
P |
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O.D.:6.35mm |
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Packed valve |
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Packed valve |
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( 9.52) |
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( 6.35) |
Cooling |
Cooling Compressor |
PA108X1C-4FZDN
Heat exchanger
Capillary tube 1.5x1100l
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Refrigerant |
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Propeller fan |
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R410A : 0.72 kg. |
Cooling |
Outdoor unit |
Mark( |
)means check points of Gas Leak. |
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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 |
(indoor) |
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(°C) |
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(MPaG) |
pipe T1 (°C) |
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Indoor |
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Outdoor |
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Standard |
0.95 |
10.5 |
High |
27/19 |
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35/24 |
Cooling |
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Overload |
1.12 |
16.0 |
High |
32/23 |
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43/26 |
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Low temperature |
0.71 |
2.0 |
Low |
21/15 |
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21/15 |
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Note :
∙ Measure the heat exchanger temperature at the center of U-bend. (By means of TC sensor)
−12 −
FILE NO. SVM-09029
6-1. RAS-10SKHP-ES / RAS-10S2AH-ES
Heat Exchange sensor
Thermo. Sensor
Current Sensor
(Compressor Current)
Infrared Rays Signal Reciver
Main Unit Control Panel |
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M.C.U. |
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Functions |
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Operation |
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Display |
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∙ Louver Control |
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Timer |
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Display |
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∙ 3-minutes Delay at Restart |
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for Compressor |
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∙ Motor Revolution Control |
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Initiallizing Circuit |
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Clock Frequency |
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∙ Processing |
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Oscillator Circuit |
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Indoor Fan |
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(Temperature Processing) |
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∙ Timer |
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Motor |
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Power Supply |
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Compressor |
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Outdoor Fan |
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4-Way Valve |
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Louver |
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Circuit |
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ON/OFF |
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ON/OFF |
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ON/OFF |
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ON/OFF |
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Signal |
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Signal |
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Signal |
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Signal |
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Louver |
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Noise Filter |
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Relay Driver, Louver Driver |
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Motor |
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Relay |
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Relay |
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Relay |
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RY01 |
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RY03 |
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RY04 |
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220-240 V~, 50Hz |
Compressor Outdoor Fan Motor 4-Way Valve |
|
REMOTE CONTROL |
Infrared Rays |
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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
Filter Reset
− 13 −
FILE NO. SVM-09029
6-2. RAS-10SKP-ES / RAS-10SA-ES
Heat Exchange sensor
Thermo. Sensor
Infrared Rays Signal Reciver
220-240 V~, 50Hz
REMOTE CONTROL
Main Unit Control Panel |
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M.C.U. |
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Functions |
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Operation |
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Display |
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∙ Louver Control
Timer
Display
∙ 3-minutes Delay at Restart
for Compressor
Initiallizing Circuit |
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∙ Motor Revolution Control |
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Clock Frequency |
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∙ Processing |
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Oscillator Circuit |
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(Temperature Processing) |
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Indoor Fan |
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∙ Timer |
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Motor |
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Power Supply |
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Compressor |
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Louver |
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Circuit |
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ON/OFF |
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ON/OFF |
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Signal |
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Signal |
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Noise Filter |
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Relay Driver, Louver Driver |
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Louver |
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Motor |
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Relay |
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RY01 |
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Compressor, Outdoor Fan Motor
Infrared Rays
Remote Control
Operation ()
Operation Mode Selection
AUTO, COOL, DRY, FAN ONLY
Temperature Setting
Fan Speed Selection
ON TIMER Setting
OFF TIMER Setting
Louver Auto Swing
Louver Direction Setting
ECO
Hi power
Filter Reset
- 14 -
FILE NO. SVM-09029
7-1. Remote control |
1 |
7-1-1. Function of Push Putton
1Infrared signal emitter
2Start/Stop button
3Mode select button (MODE)
4Temperature button (TEMP)
5Fan speed button (FAN)
6Swing louver button (SWING)
7Set louver button (FIX)
8On timer button (ON)
9Off timer button (OFF)
Sleep timer button (SLEEP)
Timer setup button (SET)
Timer clear button (CLR)
13Memory and Preset button (PRESET)
14One Touch button (ONE-TOUCH)
15High power button (Hi-POWER)
16Economy button (ECO)
17Quiet button (QUIET)
18Comfort sleep button (COMFORT SLEEP)
19Filter reset button (FILTER)
20Clock Reset button (CLOCK)
21Check button (CHK)
TOSHIBA
13 |
PRESET |
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FAN |
5 |
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TEMP |
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ONE-TOUCH |
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MODE |
4 |
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14 |
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3 |
2 |
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COMFORT |
18 |
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QUIET |
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SLEEP |
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17 |
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15 |
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SWING |
FIX |
Hi-POWER ECO |
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6 |
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16 |
7 |
TIMER |
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CLR |
12 |
8 |
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ON |
OFF |
9 |
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10 |
SLEEP |
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SET |
11 |
21 |
CHK |
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FILTER CLOCK |
20 |
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19 |
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− 15 −
FILE NO. SVM-09029
7-1-2. Display of Remote Control
All indications, except for the clock time indicator, are displayed by pressing the button.
1. Transmission mark |
5. TIMER and clock time indicator |
This transmission mark indicates when the remote controller transmits signals to the indoor unit.
2. Mode indicator
Indicates the current operation mode.
(AUTO : Automatic control, A : Auto changeover control, : Cool, : Dry, : Heat,: Fan only)
3. Temperature indicator
Indicates the temperature setting. (17°C to 30°C)
4. FAN speed indicator
Indicates the selected fan speed.
AUTO or five fan speed levels
(LOW , LOW+ , MED , MED+ ,
HIGH |
) can be shown. |
Indicates AUTO when the operating mode is either AUTO or : Dry.
The time setting for timer operation or the clock time is indicated.
The current time is always indicated except during TIMER operation.
6. Hi-POWER indicator
Indicates when the Hi-POWER operation starts.
Press the Hi-POWER button to start and press it again to stop the operation.
7. (PRESET) indicator
Flashes for 3 seconds when the PRESET button is pressed during operation.
The mark is shown when holding down the button for more than 3 seconds while the mark is flashing.
Press another button to turn off the mark.
8. ECO indicator
Indicates when the ECO is in activated.
Press the ECO button to start and press it again to stop operation.
9. A, B change indicator remote controller
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When the remote controller switching function is |
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set, “B” appears in the remote controller display. |
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(When the remote controller setting is “A”, there is |
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no indication at this position.) |
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10. Comfort sleep |
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Indicates when comfort sleep is activaled. |
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Press comfort sleep button to selectter |
9 |
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11. Quiet |
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Indicates when quiet is activated. |
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15 |
2 |
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1 |
13 |
Press quiet button to start and press it again to stop |
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operation. |
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12. One-Touch |
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Indicates when one touch comfort is activated. |
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Press one-touch button to start the operation. |
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13. Swing |
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Indicates when louver is swing. |
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Press swing button to start the swing operation |
11 |
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and press it again to stop the swing operation. |
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− 16 −
7-2. Outline of Air Conditioner Control
This is a fixed capacity type air conditioner, which uses a AC motor for an indoor fan. The AC motor drive circuit is mounted in the indoor unit. And electrical parts which operate the compressor and the outdoor fan motor, are mounted in the outdoor unit.
The air conditioner is mainly controlled by the indoor unit controller. The controller operates the indoor fan motor based upon commands transmitted by the remote control and transfers the operation commands to the outdoor unit controller.
The outdoor unit receives operation commands from the indoor unit, and operates the outdoor fan motor and the compressor.
(1)Role of indoor unit controller
The indoor unit controller receives the operation commands from the remote control and executes them.
∙Temperature measurement at the air inlet of the indoor heat exchanger by the indoor temperature sensor
∙Temperature measurement of the indoor heat exchanger by the heat exchanger sensor
∙Louver motor control
∙Indoor fan motor operation control
∙LED display control
∙Transferring of operation commands to the outdoor unit
∙Receiving of information of the operation status and judging of the information or indication of error
(2)Role of outdoor unit controller
The outdoor unit controller receives the operation commands from the indoor controller and executes them.
∙ Compressor operation control
∙ Operation control of outdoor fan motor
Table 7-2-1 Indoor fan and air flow rate
FILE NO. SVM-09029
∙Turning off the compressor and outdoor fan when the outdoor unit receives the shutdown command
∙Defrost control in heating operation (Temperature measurement by the indoor heat exchanger and control for the four-way valve and the outdoor fan motor) *Heat pump Model only
7-2-1. Louver control
(1)Vertical air flow louver
Position of veritcal air flow louver is automatically controlled according to the operation mode. Besides, position of vertical air flow louver can be arbitrarily set by pressing [FIX] button.
The louver position which is set by [FIX] button is stored in the microcomputer, and the louver is automatically set at the stored position for the next operation.
(2)Swing
If [SWING] button is pressed when the indoor unit is in operation, the vertical air flow louver starts swinging. When [SWING] button is pressed, it stops swinging.
7-2-2. Indoor Fan Control
The operation controls the fan speed at indoor unit
side. The indoor fan (cross flow fan) is operated by the phase control induction motor. The fan rotates in 5
stages in MANUAL model, and in 5 stages in AUTO mode, respectively. (Table 7-2-1)
1)When setting the fan speed to L, L+, M, M+ or H on the remote controller, the operation is performed with the constant speed shown in Fig. 7-2-1 and Fig 7-2-2
Fig (7-2-1) Cooling |
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Indication |
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Fan speed |
L |
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Low |
L+ |
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(L + M) / 2 |
M |
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Med |
M+ |
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(M + H) / 2 |
H |
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High |
Fig (7-2-2) Heating |
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Indication |
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Fan speed |
L |
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Low |
L+ |
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(L + M) / 2 |
M |
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Med |
M+ |
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(M + H) / 2 |
H |
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High |
2)When setting the fan speed to AUTO on the remote controller, revolution of the fan motor is controlled to the fan speed level shown in Table 1 according to the setup temperature, room temperature, and heat exchanger temperature.
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FAN TAP |
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OPERATION |
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Cool |
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UH |
H |
M+ |
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M |
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L+ |
L |
L- |
UL |
SUL |
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MODE |
Heat |
UH |
H |
M+ |
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M+ |
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L+ |
L |
L- |
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UL |
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SUL |
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Dry |
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UH |
H |
M+ |
M |
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L+ |
L |
L- |
UL |
SUL |
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RAS-10SKHP-ES |
fan speed (rpm) |
1350 |
1350 |
1350 |
1300 |
1250 |
1180 |
1140 |
1000 |
980 |
980 |
900 |
800 |
750 |
700 |
550 |
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Model |
Air flow (m3/h) |
560 |
560 |
560 |
540 |
510 |
500 |
460 |
400 |
390 |
390 |
350 |
300 |
270 |
250 |
180 |
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RAS-10SKP-ES |
fan speed (rpm) |
1350 |
1350 |
1350 |
1300 |
1250 |
1180 |
1140 |
1000 |
980 |
980 |
900 |
800 |
750 |
700 |
550 |
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Air flow (m3/h) |
560 |
560 |
560 |
540 |
510 |
500 |
460 |
400 |
390 |
390 |
350 |
300 |
270 |
250 |
180 |
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− 17 −
7-3. Description of Operation Mode
(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 microcomputer so that the previous operation can be effected thereafter simply by pressing
[] button.
7-3-1. 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. 7-3-3. When [FAN] button is set to LOW, LOW+, MED, MED+ or HIGH, the motor operates with a constant air flow.
temp.) |
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° C |
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+3 |
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−(Preset |
M+ |
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+2 |
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+2.5 |
*1 |
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temp.) |
+1.5 |
*2 |
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*3 |
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(Room |
+0.5 |
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Preset |
+1 |
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0 |
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temp. |
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(Preset temp.: 24 °C) |
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NOTE1 : *1 : Fan speed = (M + −L) x 3/4 + L *2 : Fan speed = (M + −L) x 2/4 + L *3 : Fan speed = (M + −L) x 1/4 + L
(Linear approximation from M+ and L)
NOTE2 : The Hi Power, ECO and COMFORT SLEEP operation can not be set
Fig. 7-3-3 Setting of air flow [FAN:AUTO]
FILE NO. SVM-09029
7-3-2. 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 lamp are controlled as shown in Fig. 7-3-4.
(Presettemp.) |
0.5 |
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° C |
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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 |
way-4valve |
Outdoorfan OPERATION |
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displaylamp |
Fig. 7-3-4
(2)When [FAN] button is set to AUTO, the indoor fan motor operates as shown in Fig. 7-3-5. When [FAN] button is set to LOW, LOW+, MED, MED+ or HIGH, the motor operates with a constant air flow.
temp.) |
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° C |
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+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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*2 |
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temp.) |
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+1.5 |
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*3 |
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(Room |
+1 |
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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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NOTE1 : *1 : Fan speed = (M + −L) x 3/4 + L *2 : Fan speed = (M + −L) x 2/4 + L *3 : Fan speed = (M + −L) x 1/4 + L
(Linear approximation from M+ and L)
Fig. 7-3-5 Setting of air flow [FAN:AUTO]
− 18 −
7-3-3. 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 lamp are controlled as shown in Fig. 7-3-6.
temp.)(Presettemp.) |
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ON:5min. OFF:5min.OFF:4min. |
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ON:5min. OFF:4min.OFF:5min. |
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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. 7-3-6
FILE NO. SVM-09029
7-3-4. Heating operation
([MODE] button on the remote control is set to the heating operation.)
RAS-10SKHP-ES
(1)The compressor, 4-way valve, outdoor fan and operation display lamp are controlled as shown in Fig. 7-3-8.
°C
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.) |
ON |
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ON |
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Compressor |
way-4valve |
Outdoorfan |
OPERATION |
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displaylamp |
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(2)The microprocessor 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. 7-3-7.
Room temp.
Preset temp.+1
Preset temp.
ON |
ON |
ON |
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ON |
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Compressor |
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Outdoor fan |
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OFF |
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OFF |
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OFF |
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Indoor fan L. |
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*S.L. |
L. |
S.L. |
L. |
S.L. |
L. |
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*Super Low |
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Fig. 7-3-7
(3)[FAN] button on the remote control is set to AUTO only.
(4)The ECO and Hi Power operations can not be set.
Fig. 7-3-8
(2)When [FAN] button is set to AUTO, the indoor fan motor operates as shown in Fig. 7-3-9. When [FAN] button is set to LOW, LOW+, MED, MED+ or HIGH, the motor operates with a constant air flow.
Preset |
°C |
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0 |
L |
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temp. |
-0.5 |
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temp.) |
-1 |
*1 |
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-1.5 |
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*2 |
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-2 |
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−(Preset |
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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 : Fan speed = (M + −L) x 1/4 + L *2 : Fan speed = (M + − L) x 2/4 + L *3 : Fan speed = (M + −L) x 3/4 + L
(Calculated with inear approximation from M+ and L+)
Fig. 7-3-9
− 19 −
(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. 7-3-10 and Table 7-3-2.
Tc |
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46 |
34 |
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H |
45 |
33 |
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Line-approximate |
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33 |
21 |
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H and SUL with Tc. |
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32 |
20 |
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*A+4 |
*A+4 |
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SUL |
*A-4 |
*A-4 |
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Stop |
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Fan speed MANUAL in starting |
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Fan speed AUTO in stability |
FILE NO. SVM-09029
7-3-5. 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. 7-3-11. The Fan only operation continues until the room temperature reaches a level at which another mode is selected.
(2)Temporary Auto
When the RESET 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. 7-3-11.
*No limitation while fan speed MANUAL mode is in stability.
*A: When Tsc ≥ 24, A is 24, and when Tsc < 24, A is Tsc Tsc: Set value
Fig. 7-3-10 Cold draft preventing control
Table 7-3-2
Fan |
*5 |
*6 |
speed |
Starting period |
Stabilized period |
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AUTO |
• Up until 12 minutes |
• From 12 to 25 minutes |
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passed after starting |
passed after starting |
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the unit |
the unit and room |
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• From 12 to 25 minutes |
temperature is |
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passed after starting |
between preset |
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the unit and room |
temperature and 3°C |
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temperature is 3°C |
lower than preset |
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lower than preset |
temperature |
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temperature |
• 25 minutes or more |
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passed after starting |
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the unit |
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Manual |
• Room temperature |
• Room temperature |
(L – H) |
< Preset temperature |
Preset temperature |
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–4°C |
–3.5°C |
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RAS-10SKHP-ES
°C
temp.) |
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Cooling operation |
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−(Preset |
0 |
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Fan only operation |
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temp.) |
-1 |
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Heating operation |
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(Room |
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RAS-10SKP-ES
°C
temp.) |
Cooling operation |
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temp.) − (Preset |
0 |
Heating operation |
(Room |
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Fig. 7-3-11 |
− 20 −
7-4. High-Temperature Limit Control
*Heat pump model only
The microcontroller detects the indoor heat exchanger temperature to prevent pressure of a refrigerating cycle from increasing excessively.
The compressor and outdoor fan motor are controlled as shown in Fig. 7-4-1.
Compressor |
Outdoor fan |
Heat exchanger |
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temp. |
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OFF |
OFF |
(°C) |
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60 |
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ON |
OFF |
53 |
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ON |
ON |
52 |
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Fig. 7-4-1
7-5. Low-Temperature Limit Control
The microcontroller detects the indoor heat exchanger temperature to prevent the indoor heat exchanger from freezing.
The compressor and outdoor fan motor are controlled as shown in Fig. 7-5-1 and 7-5-2.
RAS-10SKHP-ES
RAS-10SKP-ES
Heat exchanger |
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temperature |
Compressor Outdoor fan |
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(°C) |
ON |
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5 |
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Less than 2°C continues |
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2 |
for 5 minutes |
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OFF |
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Fig. 7-5-1
FILE NO. SVM-09029
7-6. Defrost Operation
*Heat pump model only
During the heating operation, the outdoor heat exchanger temperature goes down and sometimes it is frozen.
In this case, the air conditioner stops the heating operation and starts the defrost operation to melt ice.
7-6-1. Condition to start the defrost operation
The defrost operation starts whichever below conditions are satisfied.
(1)When the cumulative compressor operating time is longer than 40 or 90 minutes and difference between the indoor heat exchanger temperature and the room temperature is less than the specified value. (This value is decided by the microprocessor.) (Control example is shown in Fig. 7-6-1. In case of B or C, the defrost operation starts.)
(2)When the current limit control or the high temperature limit control is performed for total of 90 minutes.
temp |
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D |
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Indoorheat exchanger Roomtemp |
A |
B |
Cumulative |
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C |
compressor |
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operating time |
Fig. 7-6-1 (Indoor fan speed : M)
7-6-2. Defrost operation time control <In case of B>
(1)The heating operation is performed for at least 40 minutes.
(2)The maximum defrost operating time is 6 minutes. The defrost operating time for the 4th cycle is
10 minutes. (When the outdoor temperature is very low, however, the defrost operating time is
10 minutes.)
− 21 −