Toshiba AS-24UKHP-ES3 User manual

FILE NO. SVM-04007-(1)
SERVICE MANUAL
AIR CONDITIONER
SPLIT WALL TYPE
RAS-24UKHP-ES3 / RAS-24UAH-ES3
RAS-18UKHP-ES3 / RAS-18UAH-ES3
RAS-24UKP-ES3 / RAS-24UA-ES3
RAS-18UKP-ES3 / RAS-18UA-ES3
18 Class
(Heat pump model)
24 Class18 Class
(Cooling only model)
RAS-24UKHP-AS3 / RAS-24UAH-AS3
RAS-18UKHP-AS3 / RAS-18UAH-AS3
RAS-24UKP-AS3 / RAS-24UA-AS3
RAS-18UKP-AS3 / RAS-18UA-AS3
May 2004

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FILE NO. SVM-04007-(1)
CONTENTS
1. SPECIFICATIONS
2. CONSTRUCTION VIEWS
2-1 Indoor Unit
2-2 Outdoor Unit (RAS-24UAH-ES3, RAS-24UA-ES3, RAS-24UAH-AS3, RAS-24UA-AS3)
2-3 Outdoor Unit (RAS-18UAH-ES3, RAS-18UAH-AS3)
2-4 Outdoor Unit (RAS-18UA-ES3, RAS-18UA-AS3)
3. WIRING DIAGRAM
3-1 RAS-24UKHP-ES3 / RAS-24UAH-ES3, RAS-24UKHP-AS3 / RAS-24UAH-AS3
3-2 RAS-18UKHP-ES3 / RAS-18UAH-ES3, RAS-18UKHP-AS3 / RAS-18UAH-AS3
3-3 RAS-24UKP-ES3 / RAS-24UA-ES3, RAS-24UKP-AS3 / RAS-24UA-AS3
3-4 RAS-18UKP-ES3 / RAS-18UA-ES3, RAS-18UKP-AS3 / RAS-18UA-AS3
4. SPECIFICATION OF ELECTRICAL PARTS
4-1 Indoor Unit (RAS-24UKHP-ES3, RAS-18UKHP-ES3, RAS-24UKHP-AS3, RAS-18UKHP-AS3)
4-2 Outdoor Unit (RAS-24UAH-ES3, RAS-24UAH-AS3)
4-3 Outdoor Unit (RAS-18UAH-ES3, RAS-18UAH-AS3)
4-4 Indoor Unit (RAS-24UKP-ES3, RAS-18UKP-ES3, RAS-24UKP-AS3, RAS-18UKP-AS3)
4-5 Outdoor Unit (RAS-24UA-ES3, RAS-24UA-AS3)
4-6 Outdoor Unit (RAS-18UA-ES3, RAS-18UA-AS3)
5. REFRIGERATION CYCLE DIAGRAM
5-1 RAS-24UKHP-ES3 / RAS-24UAH-ES3, RAS-24UKHP-AS3 / RAS-24UAH-AS3
5-2 RAS-18UKHP-ES3 / RAS-18UAH-ES3, RAS-18UKHP-AS3 / RAS-18UAH-AS3
5-3 RAS-24UKP-ES3 / RAS-24UA-ES3, RAS-24UKP-AS3 / RAS-24UA-AS3
5-4 RAS-18UKP-ES3 / RAS-18UA-ES3, RAS-18UKP-AS3 / RAS-18UA-AS3
6. CONTROL BLOCK DIAGRAM
6-1 RAS-24UKHP-ES3, RAS-18UKHP-ES3, RAS-24UKHP-AS3, RAS-18UKHP-AS3
6-2 RAS-24UKP-ES3, RAS-18UKP-ES3, RAS-24UKP-AS3, RAS-18UKP-AS3
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
8. INSTALLATION PROCEDURE
8-1 Safety Cautions
8-2 Installation Diagram of Indoor and Outdoor Units
8-3 Installation
8-4 Indoor Unit
8-5 Outdoor Unit
8-6 Others
7-9 Self-Cleaning function

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FILE NO. SVM-04007
9. TROUBLESHOOTING CHART
9-1 Troubleshooting Procedure
9-2 Basic Check Items
9-3 Primary Judgement
9-4 Self-Diagnosis by Remote Control (Check Code)
9-5 How to Diagnose Faulty Part
9-6 Troubleshooting for Indoor Unit
9-7 Troubleshooting for Wiring (Interconnect cable and Serial Signal Wire)
9-8 Troubleshooting for P.C. Board
9-9 Troubleshooting for Remote Control
10. PARTS REPLACEMENT
10-1 Indoor Unit
10-2 Outdoor Unit (RAS-24UAH-ES3, RAS-24UA-ES3, RAS-24UAH-AS3, RAS-24UA-AS3)
10-3 Outdoor Unit (RAS-18UAH-ES3, RAS-18UAH-AS3)
10-4 Outdoor Unit (RAS-18UA-ES3, RAS-18UA-AS3)
11. EXPLODED VIEWS AND PARTS LIST
11-1 Indoor Unit (E - Parts Assy)
11-2 Indoor Unit
11-3 Outdoor Unit (RAS-24UAH-ES3, RAS-24UAH-AS3)
11-4 Outdoor Unit (RAS-18UAH-ES3, RAS-18UAH-AS3)
11-5 Outdoor Unit (RAS-24UA-ES3, RAS-24UA-AS3)
11-6 Outdoor Unit (RAS-18UA-ES3, RAS-18UA-AS3)
•This air conditioner is charged with
HFC (R410A) that doesn't deplete the
Ozone layer.
•This air conditioner requires special
installation for the refrigerant R410A.

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FILE NO. SVM-04007
MODEL
ITEM
Capacity 220V 240V 220V 240V 220V 240V 220V 240V 220V 240V 220V 240V
kW 6.30 6.30 6.80 6.90 6.80 6.85 5.00 5.05 5.45 5.55 5.30 5.35
Phase 1∅
Power source V220 -240
Hz 50
Power consumption W2430 2510 2400 2480 2560 2690 1850 1900 1648 1718 1860 1960
Power factor %9692959094 89 989794929897
220V 240V 220V 240V 220V 240V 220V 240V 220V 240V 220V 240V
Running current A0.3/ 0.3/ 0.3/11.2 0.3/12.1 0.3/12.35 0.2/ 0.2/ 0.2/ 0.2/ 0.2/8.5 0.2/8.3
Indoor/Outdoor 11.2 11.1 8.4 8.0 7.9 7.7
Starting current A65 47
Moisture removal lit/h 2.5 2.7 2.0 2.0
Noise Indoor (H/M/L) dB 45/41/37 42/39/35
Outdoor (220-240V) dB 56-57 57-58 56-57 51-52 52-53 51-52
Refrigerant Name of refrigerant R410A
Rated amount kg 1.6 1.3 1.2
Refrigerant control Capillary tube
Gas side size mm ∅12.7
Connection type Flare connection
Liquid side size mm ∅6.35
Interconnection Connection type Flare connection
pipe Maximum length m15*1
(One way) 25*220*2
Maximum height m 8
difference
INDOOR UNIT RAS-24UKHP-ES3 RAS-24UKP-ES3 RAS-18UKHP-ES3 RAS-18UKP-ES3
Height mm 298
Dimensions Width mm 998
Depth mm 208
Net weight kg 12
Evaporator type Finned tube
Indoor fan type Cross flow fan
High fan m3/h 950 950 950 750 800 750
Air volume Medium fan m3/h 750 800 750 650 700 650
Low fan m3/h 600 650 600 530 570 530
Fan motor output W 20
Air filter Honeycomb woven filter with PP frame
OUTDOOR UNIT RAS-24UAH-ES3 RAS-24UA-ES3 RAS-18UAH-ES3 RAS-18UA-ES3
Height mm 690 538
Dimensions Width mm 880 830 780
Depth mm 310 300
Net weight kg 69 63 50 41
Condenser type Finned tube
Outdoor fan type Propeller fan
Airflow volume m3/h 3380 3560 3380 3560 3380 3560 1800 2000 1800 2000 1800 2000
Fan motor output W 65 42
Compressor Model PA290X3F-4MS PA225X3F-4L
Output W 2200 1500
Safety device IOL, Td Sensor IOL IOL, Td Sensor IOL
Louver type Automatic louver
Usable outdoor temperature range °C 15 ~ 43 -10 ~ 24 15 ~ 43 15 ~ 43 -10 ~ 24 15 ~ 43
1. SPECIFICATIONS
RAS-24UKHP-ES3 RAS-24UKP-ES3 RAS-18UKHP-ES3 RAS-18UKP-ES3
RAS-24UAH-ES3 RAS-24UA-ES3 RAS-18UAH-ES3 RAS-18UA-ES3
Cooling Heating Cooling Cooling Heating Cooling
10
33
5JS315DAG01 5KS225DAA

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FILE NO. SVM-04007
MODEL
RAS-24UKHP-AS3 RAS-24UKP-AS3 RAS-18UKHP-AS3 RAS-18UKP-AS3
RAS-24UAH-AS3 RAS-24UA-AS3 RAS-18UAH-AS3 RAS-18UA-AS3
ITEM Cooling Heating Cooling Cooling Heating Cooling
Capacity 220V 240V 220V 240V 220V 240V 220V 240V 220V 240V 220V 240V
kW 6.30 6.30 6.80 6.90 6.80 6.85 5.00 5.05 5.45 5.55 5.30 5.35
Phase 1∅
Power source V 220 - 240
Hz 50
Power consumption W 2430 2510 2405 2500 2560 2690 1850 1900 1648 1718 1860 1960
Power factor % 96 92 95 91 94 89 98 97 94 92 98 97
220V 240V 220V 240V 220V 240V 220V 240V 220V 240V 220V 240V
Running current A 0.3/ 0.3/ 0.3/12.9 0.3/12.35 0.2/ 0.2/ 0.2/ 0.2/ 0.2/8.5 0.2/8.3
Indoor/Outdoor 11.2 11.1 8.4 8.0 7.9 7.7
Starting current A 45 43
Moisture removal lit/h 2.5 2.7 2.0 2.0
Noise Indoor (H/M/L) dB 45/41/37 42/39/35
Outdoor (220-240V) dB 56-57 57-58 56-57 51-52 52-53 51-52
Refrigerant Name of refrigerant R410A
Rated amount kg 1.6 1.3 1.14
Refrigerant control Capillary tube
Gas side size mm ∅12.7
Connection type Flare connection
Liquid side size mm ∅6.35
Interconnection Connection type Flare connection
pipe Maximum length m15*1
(One way) 25*220*2
Maximum height m 8
difference
INDOOR UNIT RAS-24UKHP-AS3 RAS-24UKP-AS3 RAS-18UKHP-AS3 RAS-18UKP-AS3
Height mm 298
Dimensions Width mm 998
Depth mm 208
Net weight kg 12
Evaporator type Finned tube
Indoor fan type Cross flow fan
High fan m3/h 950 950 950 750 800 750
Air volume Medium fan m3/h 750 800 750 650 700 650
Low fan m3/h 600 650 600 530 570 530
Fan motor output W30
Air filter Honeycomb woven filter with PP frame
OUTDOOR UNIT RAS-24UAH-AS3 RAS-24UA-AS3 RAS-18UAH-AS3 RAS-18UA-AS3
Height mm 690 538
Dimensions Width mm 880 830 780
Depth mm 310 300
Net weight kg 64 67 51 41
Condenser type Finned tube
Outdoor fan type Propeller fan
Airflow volume m3/h 3380 3560 3380 3560 3380 3560 1800 2000 1800 2000 1830 2010
Fan motor output W 65 41
Compressor Model PA290X3F-4MS PA225X3F-4L
Output W 2200 1500
Safety device IOL, Td Sensor IOL IOL, Td Sensor IOL
Louver type Automatic louver
Usable outdoor temperature range °C 15 ~ 43 -10 ~ 24 15 ~ 43 15 ~ 43 -10 ~ 24 15 ~ 43
--
10
0.3/ 0.3/
11.2 11.20
33
5JS315DAG01 5KS225DAA

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FILE NO. SVM-04007
Note : 1
·Capacity is based on the following temperature conditions.
Note : 2
·Charge refrigerant according to the table below.
Refrigerant RAS-24UKHP-ES3/ RAS-24UAH-ES3RAS-18UKHP-ES3 / RAS-18UAH-ES3
RAS-24UKP-ES3/ RAS-24UA-ES3RAS-18UKP-ES3 / RAS-18UA-ES3
*1 No need to charge 15m or less 15m or less
extra refrigerant
*2 Need to charge Over 15m up to 25m (20g/m) Over 15m up to 20m (20g/m)
extra refrigerant
Temperature
Condition JIS C9612-1994
Cooling Heating
Indoor unit inlet air temperature (DB) 27°C 20°C
(WB) 19°C 15°C
Outdoor unit inlet air temperature (DB) 35°C 7°C
(WB) 24°C 6°C
RAS-24UKHP-AS3/ RAS-24UAH-AS3
RAS-24UKP-AS3/ RAS-24UA-AS3RAS-18UKHP-AS3 / RAS-18UA-AS3
RAS-18UKP-AS3 / RAS-18UA-AS3

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FILE NO. SVM-04007
2. CONSTRUCTION VIEWS
2-1. Indoor Unit
208
55 or more
Minimum distance to ceiling
998
298
50
75
56
75
50
75
7
51
100
40
48
450
20
20
48
100
∅65
998
298
10
763.5
5555
55
41
29
57
18
160
∅
65
8
Back body
Knock out system
Front panel
Grille inlet
Knock out system
Connection pipe (0.39m)
(Flare
∅ 12.7)
Connection pipe (0.49m) Wireless remote control
(Flare
∅ 6.35)
(For stud bolt
∅ 6)
Drain hose (0.54m)
Installation
Plate outline
Outline of indoor unit

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FILE NO. SVM-04007
2-2. Outdoor Unit (RAS-24UAH-ES3, RAS-24UA-ES3,
120
63.8
340
600
27
50
690
880 74
140
88
310
340
340 (pitch) 1212
364
A
∅
12x18 hole
A
Detail Drawing
∅
25 Drain outlet
52
Handle
Installation dimension
600
100 or more 100 or more
600 or more
600 or more
Air outlet
Air inlet
Electric Parts cover
Liquid side (Flare
∅
6.35)
Gas side (Flare
∅1
2.7)
Service Port
600
340
23
68
Handle
4
-∅
12X18
for
∅
8
∅
10
anchor bolt
RAS-24UAH-AS3, RAS-24UA-AS3)

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FILE NO. SVM-04007
2-3. Outdoor Unit (RAS-18UAH-ES3, RAS-18UAH-AS3)
A
A
Detail Drawing
∅
6 hole
R10
∅
11x14 hole
∅
25 Drain outlet
8
-∅
6 holes
(for fixing outdoor unit)
6-
∅
11x14 holes
or
∅
8
—∅
10 anchor bolt)
Fan guard
∅
420
Electric Parts cover
Liquid side (Flare
∅
6.35)
Gas side (Flare
∅
12.7)
Installation dimension
100 or more Air inlet 600 or more
100 or more
Air inlet
Air
outlet
600 or more
600
50 35
4x
∅
11x14
for
∅
8
-∅
10
anchor bolt
600
344
325
9 1 54
60
50
90
600
830
90
120
52
23
325
Handle
538
300
Service Port

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FILE NO. SVM-04007
2-4.Outdoor Unit (RAS-18UA-ES3, RAS-18UA-AS3)
9090
65.5
600
780
∅
420
Fan guard
538
300
Handle
∅
25Drain outlet
8
-∅
6 hole
(for fixing outdoor unit)
A
325
120
4-∅11x14 hole
(for Ø8-Ø10 anchor bolt)
Liquid side (Flare
∅
6.35)
Gas side (Flare
∅
12.7)
52.5
Service Port
Electric parts cover
344
27
130
100
Installation dimension
100 or more Air inlet 600 or more
100 or more
Air inlet
Air
outlet
600 or
more
4x
∅
11x14
or
∅
8
-∅
10
anchor bolt
600
325
23
301
325
∅
11x14 hole
∅6 hole
R10
600
Detail Drawing
50
35
A