Toshiba RAS-18GFHP-ES2 User manual

SERVICE MANUAL
AIR-CONDITIONER
UNDER CEILING / CONSOLE TYPE
RAS-18GFHP-ES2/ RAS-18GAH-ES2
RAS-18GFP-ES2/ RAS-18GA-ES2
RAS-24GFHP-ES2/ RAS-24GAH-ES2
RAS-24GFP-ES2/ RAS-24GA-ES2
FILE NO. SVM-06021
June, 2006
24 Class18 Class

– 1 –
FILE NO. SVM-06021
CONTENTS
1. SPECIFICATIONS
2. CONSTRUCTIONVIEWS
2-1 Indoor Unit
2-2 Outdoor Unit (24 Class)
3. WIRING DIAGRAM
3-1 RAS-18GFHP-ES2/ RAS-18GAH-ES2
3-2 RAS-24GFHP-ES2/ RAS-24GAH-ES2
3-3 RAS-18GFP-ES2/ RAS-18GA-ES2
3-4 RAS-24GFP-ES2/ RAS-24GA-ES2
4. SPECIFICATION OF ELECTRICAL PARTS
4-1 Indoor Unit (RAS-24GFHP-ES2, RAS-18GFHP-ES2)
4-2 Outdoor Unit (RAS-24GAH-ES2)
4-3 Outdoor Unit (RAS-18GAH-ES2)
4-4 Indoor Unit (RAS-24GFP-ES2, RAS-18GFP-ES2)
4-5 Outdoor Unit (RAS-24GA-ES2)
5. REFRIGERATION CYCLE DIAGRAM
5-1 RAS-18GFHP-ES2/ RAS-18GAH-ES2
5-2 RAS-18GFP-ES2/ RAS-18GA-ES2
5-3 RAS-24GFHP-ES2/ RAS-24GAH-ES2
5-4 RAS-24GFP-ES2/ RAS-24GA-ES2
6. CONTROL BLOCK DIAGRAM
6-1 RAS-18GFHP-ES2, RAS-24GFHP-ES2
6-2 RAS-18GFP-ES2, RAS-24GFP-ES2
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
2-3 Outdoor Unit (18 Class)
7-9 Self-Cleaning function
4-6Outdoor Unit (RAS-18GA-ES2)
7-10 Quiet Mode
7-11 Comfort Sleep mode

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-24GAH-ES2, RAS-24GA-ES2)
10-3 Outdoor Unit (RAS-18GAH-ES2, RAS-18GA-ES2)
11. EXPLODED VIEWS AND PARTS LIST
11-1 Indoor Unit (E-Parts Assy)
11-2 Indoor Unit
11-3 Outdoor Unit (RAS-24GAH-ES2)
11-4 Outdoor Unit (RAS-18GAH-ES2)
11-5 Outdoor Unit (RAS-24GA-ES2)
11-6 Outdoor Unit (RAS-18GA-ES2)
•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.
FILE NO. SVM-06021
– 2–
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

–3–
FILE NO. SVM-06021
1. SPECIFICATIONS
RAS-18GFHP-ES2RAS-18GFP-ES2RAS-24GFHP-ES2RAS-24GFP-ES2
RAS-18GAH-ES2 RAS-18GA-ES2RAS-24GAH-ES2RAS-24GA-ES2
CoolingHeating Cooling Cooling Heating Cooling
Capacity 220V 240V 220V 240V 220V 240V 220V 240V 220V 240V 220V 240V
kW 5.00 5.10 5.70 5.75 5.30 5.35 6.20 6.307.0 7.10 6.80 6.85
Phase 1∅
Power source V220 −240
Hz 50
Power consumption W1960 2010 1830 1880 1950 2040 2515 2570 2430 2530 2640 2790
Power factor %99 96 9790 989291 88 85 83 9591
Running current Indoor A0.4 0.45
Outdoor A8.60 8.30 8.20 8.30 8.60 8.80 12.13 11.77 12.57 12.18 12.15 12.35
Starting current A36 54
Moisture removal lit/h 2.0 2.5 2.7
Noise Indoor (H/M/L) db 43/41/39/37/36 46/44/42/39/37
Outdoor db 5253535451 52 56 57 57 58 56 57
Refrigerant Name of refrigerant R-410A
Rated amount kg 1.15 1.26
1.90
Refrigerant control Capillary tube
Gas side size mm 12.70
Connection type Flare connection
Liquid side size mm 6.35
Interconnection Connection type Flare connection
pipe Maximum length m15*1
(One way) 20*225*2
Maximum height m8 10
difference
INDOOR UNIT RAS-18GFHP-ES2RAS-18GFP-ES2RAS-24GFHP-ES2RAS-24GFP-ES2
Width mm 1093
Dimensions Height mm 633
Depth mm 208
Net weight kg 23
Evaporator type Finned tube
Indoor fan type Multi blade fan
High fan m3/h 800 800800 900 930 900
Air volume Medium fan m3/h 680 700 680 750 760 750
Low fan m3/h 580 650 580 550 660 650
Fan motor output W 50
Air filter Washable -filter
OUTDOOR UNIT RAS-18GAH-ES2 RAS-18GA-ES2 RAS-24GAH-ES2 RAS-24GA-ES2
Width mm 780 780
Dimensions Height mm 550 715
Depth mm 290 290
Net weight kg 44 39 52 52
Condenser type Finned tube
Outdoor fan type Propeller fan
Airflow volume m3/h 2350 2450 2350 2450 2120 2200 2400 2550 2400 2550 2400 2550
Fan motor output W
42 42
Compressor Model
Output W 1500 2160
Safety device IOL, Td Sensor IOL IOL, Td Sensor IOL
Louver type Automatic louver
Usable outdoor temperature range°C15 ~ 43 −10 ~ 24 21 ~ 43 15 ~ 43 −10 ~ 24 21 ~ 43
MODEL
ITEM
33
PA225X2CS-4KU1 PA290X3CS-4MU1
54
1.70
780
550
290
42
Note *1 Chargeless pipe.
*2 Maximum pipe.

– 4 –
FILE NO. SVM-06021
Note : 1
• Capacity is based on the following temperature conditions.
Note : 2
• Charge refrigerant according to the table below.
Refrigerant RAS-18GFHP-ES2/ RAS-18GAH-ES2RAS-24GFHP-ES2/ RAS-24GAH-ES2
RAS-18GFP-ES2/ RAS-18GA-ES2RAS-24GFP-ES2/ RAS-24GA-ES2
*1 No need to charge 15m or less 15m or less
refrigerant
*2 Need to charge Over 15m up to 20m (20g/m) Over 15m up to 25m (30g/m)
refrigerant
Temperature Condition JIS B615-1
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

– 5–
FILE NO. SVM-06021
2. CONSTRUCTIONVIEWS
2-1. Indoor Unit
Front panel
Knock out system
For stud bolt
(∅8 - ∅10)
For stud bolt (∅6)
Grille air inlet
Back Body
Installation plate
Mount plate
M10 Suspention bolt
Wireless remote control
Knock out system
200 Min 1093
1015
742
450
20 20
330165
∅74
70 Min 633
460
57 18
160
633
208
1093
UNDER CEILING & CONSOLE INSTALLATION

HANDLE
COVER-PV
HANDLE
600
Z View Service port
321
307
A Detail Drawing (Back leg) Ø
25 Drain outlet
2Ø11x14 Hole
(For Ø8-Ø10 anchor bolt) B
Ø6Hole
Ø11x14 Hole
50
36 R15
R
5.5
Ø6 hole
28
321
86
A
124109
600 or more
Air out
let
321
600
Air inlet
4xØ11 Long holes(ForØ8-Ø10 anchor bolt)
Gas-side
(FlareØ 12.7)
Liquid side
(Flare Ø6.35)
90 600 90 69 342
321
Z
50
36 R15
B Detail Drawing (Front leg)
Ø436
FAN-GUARD
715
290
275
600 or more
84
129
54
Electrical part cover
321
307
100 or more
100 or more
Installation dimension
2.2 Outdoor Unit (24 Class)
FILE NO. SVM-06021
-6-

321
307
Z View
600
A detail Drawing (Back leg)
321
307
Ø 25 Drain outlet 11 x 14 Hole
(For 8 - 10 anchor bolt)
B Detail Drawing (Front leg)
FAN-GUARD
COVER-PV
Electrical part cover
Liquid side
(Flare 6.35)
Ø
Ø
Gas side
(Flare 12.7)
Service port
4x 11 Long holes(For 8- 10 anchor bolt)
Installation dimension
Air outlel
100 or more
100 or more
600 or more
600 or more
Air intlel
ØØØ
Ø6 hole
86
Ø6 hole
Ø11x14 hole
R15
28 A
321
R5.5
36
109 124
50
129
84
54
600
321
9060090
275
290
550
Ø436
Z
R15
50
36
-
2
321
342
69
ØØØ
2.3 Outdoor Unit(18 Class)
FILE NO. SVM-06021
-7-

−8−
FILE NO. SVM-06021
3-1.RAS-18GFHP-ES2/ RAS-18GAH-ES2
DISCHARGE
PIPE
SENSOR (TD)
HEA T
EXCHANGER
SENSOR (TE)
CN08
CN07 BLU
BLU
BLK
BLK
1
1
2
3
3
1 1
2
3
3
3
12
LN3
12
FERRITE CORE
GRN&YEL
RED
RED
BLK
BLK
MAGNETIC
CONTACTOR
RA1
A2
52C
U
S
V
T
W
PNK
WHI
COMPRESSOR TERMINAL
BLK
S
R
CWHI BLK
BLK
COIL FOR
4 WAY VALVE
RED
RE D
RED
CAPACITOR CAPACITOR
BLK
BLK
WHI
RED
CN01
CN05
GRY
1
3
5
7
9
1
3
5
7
9
GRN&YEL
CHASSIS
TRANSFORMER
BLK
BLK
RED
RED 1
1
3
3
1
1
3
3
2
CN11
BLU
YEL
1
3
1
3
1
13
CN02
BLU
BLU
11
33
CN03
F01
250VAC T6. 3A
CR11
CR12
CR13
RY07
RY05
RY06
SG01
CN06
TNR
R74
TNR
R73
MAIN P.C. BOARD (MCC-890)
POWER SUPPLY
220-240 V~ 50 Hz
INDOOR
TERMINAL
BLOCK
OUTDOOR
TERMINAL
BLOCK
INDOOR
UNIT
OUTDOOR
UNIT
COMPRESSOR
FAN MOTOR
BLK
P04
SG01 R09 R507
IC04
CN07 CN13
BLU BLU BLU BLU BLU BLU BLU BLU BLU WHI
LOUVER
MOT OR
C15
R405
C501
R Y401
L01
MAIN PCB
R Y501 CR502
DC12V
DC5V
CR501 IC03
R506
CN10 BLK
BLK
BLK
CN03
THERMO
SENSOR
(TA)
C01
R01 DB01
C02
POWER SUPPLY CIRCUIT
R22
F01
T6.3A
BLK CN30
CN31
CN23
FOR FLOA T SWITCH
(OPTION)
GRN&YEL
FOR DRAIN PUMP
(OPTION)
BR W
GR Y
BLK
RED RED
WHI WHI
FAN
MOTOR
PUR
BLU
GR Y
YEL
When you use float
switch you should
cut J401
CN402 CN401 CN1 1
J401
WHI
RED
FUSE
250V AC
R21
MCC-865A
CR401
21 1 1232 3
123
654
654
321
321
123
123
456
456
789
789
10
10
CN25
ORN
RED
PNK
YEL
BR W
BLU
INFRARED RA YS RECEIVE
AND INDICA TION P AR TS
123
123
456
456
789
789
10
10
5 3
5 3
1
1
1 1
1 1
2 2
11
22
33
3 3
6 6
3 3
2 2
1 1
BLK
BLK
CN01
HEAT
EXCHANGER
SENSOR
(TC)
1 1
2 2
SWITCH
PCB
MCC-865B
CN100
WHI
GRY
GRY
CN101
1
2
3
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
3.WIRING DIAGRAM
R
S
C

−9−
FILE NO. SVM-06021
3-2.RAS-24GFHP-ES2/ RAS-24GAH-ES2
DISCHARGE
PIPE
SENSOR (TD)
HEA T
EXCHANGER
SENSOR (TE)
CN08
CN07 BLU
BLU
BLK
BLK
1
1
2
3
3
1 1
2
3
3
3
12
LN3
12
FERRITE CORE
GRN&YEL
RED
RED
BLK
BLK
MAGNETIC
CONTACTOR
RA1
A2
52C
U
S
V
T
W
PNK
WHI
COMPRESSOR TERMINAL
BLK
S
R
CWHI BLK
BLK
COIL FOR
4 WAY VALVE
RED
RE D
RED
CAPACITOR
(1/L1)
(2/T1)
(3/L2)
(4/T2)
(5/L3)
(6/T3)
CAPACITOR
BLK
BLK
WHI
RED
CN01
CN05
GRY
1
3
5
7
9
1
3
5
7
9
GRN&YEL
CHASSIS
TRANSFORMER
BLK
BLK
RED
RED 1
1
3
3
1
1
3
3
2
CN11
BLU
YEL
1
3
1
3
1
13
CN02
BLU
BLU
11
33
CN03
F01
250VAC T6. 3A
CR11
CR12
CR13
RY07
RY05
RY06
SG01
CN06
TNR
R74
TNR
R73
MAIN P.C. BOARD (MCC-890)
POWER SUPPLY
220-240 V~ 50 Hz
INDOOR
TERMINAL
BLOCK
OUTDOOR
TERMINAL
BLOCK
INDOOR
UNIT
OUTDOOR
UNIT
COMPRESSOR
FAN MOTOR
BLK
P04
SG01 R09 R507
IC04
CN07 CN13
BLU BLU BLU BLU BLU BLU BLU BLU BLU WHI
LOUVER
MOT OR
C15
R405
C501
R Y401
L01
MAIN PCB
R Y501 CR502
DC12V
DC5V
CR501 IC03
R506
CN10 BLK
BLK
BLK
CN03
THERMO
SENSOR
(TA)
C01
R01 DB01
C02
SWITCH
PCB
MCC-865B
POWER SUPPLY CIRCUIT
R22
F01
T6.3A
BLK CN30
CN31
CN23
FOR FLOA T SWITCH
(OPTION)
GRN&YEL
FOR DRAIN PUMP
(OPTION)
BR W
GR Y
BLK
RED RED
WHI WHI
FAN
MOTOR
PUR
BLU
GR Y
YEL
When you use float
switch you should
cut J401
CN402 CN401 CN1 1
J401
WHI
RED
FUSE
250V AC
R21
MCC-865A
CR401
21 1 1232 3
123
654
654
321
321
123
123
456
456
789
789
10
10
CN25
ORN
RED
PNK
YEL
BR W
BLU
INFRARED RA YS RECEIVE
AND INDICA TION P AR TS
123
123
456
456
789
789
10
10
5 3
5 3
1
1
1 1
1 1
2 2
CN100
WHI
GR Y
GR Y
CN101
11
22
33
1
2
3
3 3
6 6
3 3
2 2
1 1
BLK
BLK
CN01
HEAT
EXCHANGER
SENSOR
(TC)
1 1
2 2
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
R
S
C