Download SERVICE MANUAL - General

SM0033
RAS-S14H3A / RAC-S14H3
SERVICE MANUAL
REFER TO THE FOUNDATION MANUAL
TECHNICAL INFORMATION
FOR SERVICE PERSONNEL ONLY
CONTENTS
SPECIFICATIONS ------------------------------------------------------------------- 4
HOW TO USE ----------------------------------------------------------------------- 5
CONSTRUCTION AND DIMENSIONAL DIAGRAM --------------------- 15
MAIN PARTS COMPONENT --------------------------------------------------- 17
WIRING DIAGRAM ---------------------------------------------------------------- 19
CIRCUIT DIAGRAM --------------------------------------------------------------- 20
RAS-S14H3A
BLOCK DIAGRAM ----------------------------------------------------------------- 22
BASIC MODE ----------------------------------------------------------------------- 23
REFRIGERATING CYCLE DIAGRAM --------------------------------------- 29
DESCRIPTION OF MAIN CIRCUIT OPERATION ----------------------- 30
SERVICE CALL Q & A ---------------------------------------------------------- 58
TROUBLE SHOOTING ----------------------------------------------------------- 61
Procedure for Disassembly and Reassembly ------------------------- 88
PARTS LIST AND DIAGRAM ----------------------------------------------- 90
RAC-S14H3
SPECIFICATIONS
DC INVERTER (WALL TYPE)
TYPE
INDOOR UNIT
MODEL
RAS-S14H3A
POWER SOURCE
COOLING
RAC-S14H3
1 PHASE, 50 Hz, 220-230V
TOTAL INPUT
(W)
TOTAL AMPERES
(A)
5.22-4.99
(kW)
3.50 (0.90 ~ 4.00)
(B.T.U./h)
11,940 (3,070 ~ 13,650)
(W)
1,110 (115 ~ 1,440)
CAPACITY
TOTAL INPUT
HEATING
OUTDOOR UNIT
TOTAL AMPERES
CAPACITY
DIMENSIONS
(mm)
NET WEIGHT
1,090 (155 ~ 1,460)
(A)
5.32-5.09
(kW)
4.20 (0.90 ~ 5.00)
(B.T.U./h)
14,330 (3,070 ~ 17,060)
W
780
H
280
548
D
220
288 (+47)
(kg)
9.5
35
750 (+91)
After installation
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
ROOM AIR CONDITIONER
INDOOR UNIT + OUTDOOR UNIT
FEBRUARY 2009 Hitachi Household Appliances(Wuhu) Co.,Ltd.
PARTS LIST AND DIAGRAM
INDOOR UNIT
MODEL: RAS-S14H3A
– 90 –
OUTDOOR UNIT
MODEL: RAC-S14H3
30
39
35
38
26
36
37
46
34
44
47
40
25
29
45
27
41
32
32
31
33
51
52
5
9
43
42
28
12
21
23
19
10
17
11
16
22
2
18
15
24
6
8
13
14
1
7
20
4
3
48
49
50
– 91 –
GENERAL SERVICE
RAS-S14H3A
1
2
3
4
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
36
37
38
39
40
41
42
43
RAS-S14H3A
CABINET WHITE COLOR (ROHS)*
VERTICAL AIR DEFLETOR L(ROHS)
VERTICAL AIR DEFLETOR R(ROHS)
FAN MOTOR RRMB3811 35V (ROHS)*
TANGENTIAL FLOW FAN (ROHS)
BEARING FAN
(ROHS)*
COVER BEARING FAN
(ROHS)
SUPPORT FAN MOTOR
(ROHS)
EVAPORATOR ASSEMBLY (ROHS)
UNION 2 (¦=6,35MM) (ROHS)
UNION 3 PIPE SET (OUT) (ROHS)
COVER UPPER WHITE COLOR
*
SUPPORT THERMISTOR (ROHS)
TERMINAL BOARD (2P) (ROHS)
TERMINAL BOARD (2P) (ROHS)
CORD POWER SUPPLY
(ROHS)
THERMISTOR HEAT EXCH. (ROHS)
SWITCH POWER
(ROHS)
PWB MAIN
PWB INDICATE/IR (12PIN)(ROHS)*
CORD 12 PIN INDI<->MAIN(ROHS)
COVER ELECTRIC
(ROHS)
COVER TERMINAL
(ROHS)
DRAIN PAN W.AIR DEFLECT(ROHS)*
HORIZONTAL AIR DEFLECT.(ROHS)
SUPPORT DEFLECTOR
(ROHS)
MOTOR STEPPING DAMPER (ROHS)
RUBBER CAP DRAIN ¦=20MM (ROHS)
HEAT INSULATOR PIPE (ROHS)
DRAIN HOSE
(ROHS)
FRONT COVER ASS'Y
COVER EARTH
(ROHS)
COVER SWITCH TEMPORARY (ROHS)
FILTER AIR RIGHT
(ROHS)
FILTER AIR LEFT
(ROHS)
COVER LOWER RIGHT -WHITE!!!!-*
MOUNTING PLATE
(ROHS)
SUPPORT REMOTE HANDSET (ROHS)*
SCREW ASSEMBLY
(ROHS)
REMOTE HANDSET RAR3U1 W.DISPL.
COVER ELECTRONIC
(ROHS)
HWRAS25YH5A20
HWRAS25YH5A02
HWRAS25YH5A03
HWRAS25YH5A04
HWWSI425A05
HWRAS25YH4A08
HWRAS25YH4A09
HWRAS25YH4A10
HWRAS25YH5A05
HWRAS25YH4A12
HWRAS25YH4A13
HWRAS35YHA1A10
HWRAS25YH4A15
HWRAS25YH4A16
HWRAS25YH4A17
HWRASE08HA01
HWRAS25YH4A19
HWRAS25YH4A20
HWRAS35FH6A01
HWRAS25YH4A22
HWRAS25YH4A23
HWRAS25YH4A24
HWRAS25YH4A25
HWRAS25YH5A07
HWRAS25YH5A08
HWRAS25YH4A28
HWRAS25YH4A29
HWRAS25YH4A30
HWRAS25YH4A31
HWRASD10EX2A02
HWRASS10H2A01
HWRAS25YH5A10
HWRASE14H2A02
HWRAS25YH5A13
HWRAS25YH5A14
HWRAS35YHA1A11
HWRAS25YH5A16
HWRAS25YH4A41
HWRAS25YH4A42
HWRAS25FH6A02
HWRAS25YH4A06
18/1/2012
GENERAL SERVICE
RAC-S14H3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
RAC-S14H3
BASE
(ROHS)
COMPRESSOR ASC092CD (ROHS)
COMPRESSOR RUBBER 1PCS (ROHS)
PUSH NUT ¦:IN=9MM
(ROHS)*
CONDENSER
(ROHS)
VALVE REVERSING W.COIL (ROHS)*
VALVE SERVICE ASS'Y (ROHS)*
VALVE ELECTRIC EXPAN. (ROHS)
COVER SOUND PROOF
(ROHS)
COVER OVER LOAD RELAY (ROHS)
SUPPORT OVER HEAT THERM(ROHS)
CORD CONNECTION COMPRE.(ROHS)
THERMISTOR DEFROST (ROHS)
SUPPORT THERMISTOR (ROHS)
COIL REVERSING VALVE (ROHS)
COIL EXPANSION VALVE (ROHS)*
PARTITION E.ISOLATOR (ROHS)
REACTOR COVER
(ROHS)
REACTOR 1
(ROHS)
REACTOR 2
(ROHS)
FAN MOTOR SUPPORT
(ROHS)
FAN MOTOR RRMB3675 47W (ROHS)*
PROPELLER FAN
(ROHS)
NUT PROPELLER FAN
(ROHS)*
COVER SIDE LEFT
(ROHS)
HANDLE
(ROHS)
FRONT COVER
(ROHS)
GRILL DISCHARGE
(ROHS)
ELECTRIC PARTS PLATE (ROHS)
COVER ELECTRIC PARTS (ROHS)
TERMINAL PLATE
(ROHS)
TERMINAL BOARD (2P) (ROHS)
HEAT SINK (REGULATOR 1)(ROHS)
PWB POWER (RRZK2517) (ROHS)*
FUSE 15A
(ROHS)
FUSE 3A
(ROHS)
VARISTOR
(ROHS)
PWB MAIN (RRZK2620) (ROHS)*
FUSE 1A (L=22MM) (ROHS)
SUPPORT PWB
(ROHS)
CAP 45MF 200V (COMP) (ROHS)
COVER OUT DOOR THERMIST(ROHS)
THERMISTOR OUTDOOR TEMP(ROHS)
COVER SIDE (R)
(ROHS)
COVER TERMINAL
(ROHS)
COVER TOP
(ROHS)
COVER SERVICE VALVE (ROHS)
DRAIN PIPE KIT OVAL 30X80MM *
BUSH
(ROHS)
DRAIN PIPE L-FORM OVAL (ROHS)*
COVER CAPACITOR
(ROHS)
CORD 1P YELLOW FLAT PLUG(ROHS)
HWRACE14H2A01
HWRACE08HA02
HWRAC25YH4A03
HWRAC25YH4A04
HWRACD10EX2A02
HWRACE08HA03
HWRACE08HA04
HWRACE08HA05
HWRACE08HA06
HWRAC25YH4A10
HWRAC25YH4A11
HWRACE08HA08
HWRACD10EXA08
HWRAC25YH4A14
HWRAC25YHAA03
HWRACE08HA09
HWRAC25YH4A17
HWRAC25YH4A18
HWRAC25YH4A19
HWRAC25YH4A20
HWRACD10EXA11
HWRAC25YH4A22
HWRAC25YH4A23
HWRAC25YH4A24
HWRAC25YH4A25
HWRAC25YH4A26
HWRACE08HA10
HWRAC25YH4A28
HWRAC25YH4A29
HWRACE08HA15
HWRAC25YH4A31
HWRAC25YH4A32
HWRAC25YH4A33
HWRAC25YH4A34
HWRACE08HA11
HWRAC25YH4A36
HWRAC25YH4A37
HWRACE14H2A02
HWRAC25YH4A39
HWRAC25YH4A40
HWRAC25YH4A41
HWRAC25YH4A42
HWRACD10EXA17
HWRACE14H2A03
HWRAC25YH4A45
HWRAC25YH4A46
HWRAC25YH4A47
HWRAC25YH4A48
HWRAC25YH4A49
HWRAC25YH4A50
HWRAC25YH4A51
HWRAC25YH4A52
30/12/2011