Fuji Electric RSM-7LA User manual

INVERTER MULTI
AIR CONDITIONER
WALL MOUNTED
type
1
2
4
3
6
8
C O N T E N T S
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . .
OUTLINE AND DIMENSIONS . . . . . . . . . .
REFRIGERANT SYSTEM DIAGRAM . . . .
ERROR CONTENTS . . . . . . . . . . . . . . . . . .
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . .
INDOOR PCB CIRCUIT DIAGRAM . . . . . . .
7OUTDOOR PCB CIRCUIT DIAGRAM . . . . .
DISASSEMBLY ILLUSTRATION . . . . . . . 11
STANDARD ACCESSORIES . . . . . . . . . . . 17
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . 15
Models
Indoor unit Outdoor unit
RSM-7LA
RSM-9LA ROM-18LA2
RSM-12LA

1
2005.08.23
COMPRESSOR
DIMENSIONS
Hermetic type, Inverter, 4 poles,
Three phase, DC motor, Rotary
TNB 220 FPCM
R410 A (g)
1,900
(V)
230
HI
DISCRIMINATION
(r.p.m.)
MED (r.p.m.)
LO
QUIET
(r.p.m.)
(r.p.m.)
(r.p.m.)
780
H x W x D (mm)
H x W x D (mm)
257 x 808 x 187
650 x 830 x 320
FAN MOTOR
WEIGHT
GROSS / NET (kg)
GROSS / NET (kg)
10 / 8
62 / 56
1,000
MFA-40GR
900
850
800
1,200
1,100
1,000
940
1,310
1,260
1,190
1,100
MFA-40GR MFA-40GR
S P E C I F I C AT I O N S
COOL & HEAT
RSM-9LA RSM-12LARSM-7LA
ROM-18LA2
TYPE
INDOOR UNIT
OUTDOOR UNIT
TYPE
DISCRIMINATION
REFRIGERANT
POWER SOURCE
INDOOR UNIT
OUTDOOR UNIT
INDOOR UNIT
OUTDOOR UNIT
INDOOR UNIT
OUTDOOR UNIT
ELECTRICAL DATA ( INDOOR UNIT )
2.2
2.6
2.7
3.2
(kW)
(kW)
(m3/hr)
( /hr)
1.0
430
1.2
480
3.5
4.0
1.6
530
COOLING CAPACITY
HEATING CAPACITY
MOISTURE REMOVAL
AIR CIRCULATION-Hi
HI (dB)
LO
COOLING
HEATING
(dB)
(dB)
(dB)
50
NOISE LEVEL
34
29
49
36
29
38
33
INDOOR UNIT
OUTDOOR UNIT
(V)
230
COOLING CAPACITY (MAX)
HEATING CAPACITY (MAX)
COOLING
HEATING
COOLING
HEATING
COOLING
HEATING
(Hz)
50
(A)
(kW)
(kW)
(kW)
(kW / kW)
7.5 (9.7)
8.0 (9.7)
5.5 (6.5)
6.4 (7.1)
ELECTRICAL DATA ( OUTDOOR UNIT )
1.73 (2.22)
1.84 (2.22)
3.18
3.48
POWER SOURCE
FREQUENCY
RUNNING CURRENT
E.E.R.
(MAX)
INPUT WATTS
(MAX)

O U T L I N E A N D D I M E N S I O N S
Unit : mm
Models : RSM-7LA
RSM-9LA
RSM-12LA
INDOOR UNIT
OUTDOOR UNIT
Model : ROM-18LA2
Air flow
Bottom
603
343
350
830
650
12
2
2005.08.05
187
808
257

R E F R I G E R A N T S Y S T E M D I A G R A M
A Unit
B Unit
heat exchanger
(Indoor)
heat exchanger
(Outdoor)
3-way
valve
2-way
valve
accumulator
compresser
4-way valve
COMP
electric
expansion
valve
strainer
strainer
receiver tank
EVA
EVB
HEAT
COOL
3
2005.08.19

INDOOR UNIT
C I R C U I T D I A G R A M
RSM-7LA
RSM-9LA
RSM-12LA
Models :
4
2005.08.05
1
1 2 3 4 5
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
2
1
2
1
2
3
1
2
3
1
2
1
3
5
4
3
2
1
5
6
4
3
2
1
5
6
4
3
2
1
5
4
3
2
1
5
4
3
2
1
3
2
1
3
2
1
2
1
2
1
2
1
2
1
5
6
4
3
2
1
5
4
3
2
1
BLACK
THERMISTOR ( ROOM TEMP. )
THERMISTOR
( PIPE TEMP. )
FAN MOTOR
CAPACITOR
STEPPING MOTOR
CONTROL BOARD
POWER SUPPLY BOARD
TRANSFORMER
BOARD DISPLAY
FAN MOTOR
BLACK
GRAY
GRAY
WHITE BLUE
PINK
YELLOW
ORANGE
RED
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
WHITE
YELLOW
BLUE
WHITE WHITE WHITE WHITE WHITE WHITE
BLACK
BLACK
GREEN
ORANGE
ORANGE
PURPLE
PURPLE
RED
RED
GRAY
GRAY
BLACK
WHITE
RED
THERMAL FUSE
THERMAL FUSE
THERMAL
RED
RED
TEST
CN1
H.A. OUT
H.A. IN
CN201
CN6
CN105
W101
W106
W105
W104
W103W102
10 3
CN101CN102CN104CN103 CN3CN2
CN10CN7
CN4CN8
CN5
1 2 3
(N)
F M
M

OUTDOOR UNIT
Model : ROM-18LA2
5
2005.08.23

5V
5V
+
+
+
5V
C7 10/25V
C32 0.1 <F>
C6 0.1 <F>
12V
JM1 JM5 JM4 JM3 JM2
R34
R4
R5
R3
R35
10K <1/10W> x 5
C1 0.1 <F>
CN8 S3P-VH
Q1 DTC124EUA
Q3 DTC124EUA
Q4 DTC124EUA
12 5
11 6
2
1 3
5V
R38 10K <1/10W>
R8 10K <1/10W>
5V
5V
C9 0.01 <B>
C30 0.01 <B>
R6 390 <1/10W>
R33 10K <1/10W>
R12 10K <1/10W>
5V
C11 0.1 <F>
5V
5V
I C2 BR93LC46
EEPROM
VCC D0
TEST GND
CS
SK
D1
NC 7
3 2
18
4 6
5
L3
BLm11
<A601>
5V
5V
R7 330 <1/10W>
I C6 PS2561-1
R9 10K <1/10W>
C31 0.01 <B>
R39 10K <1/10W>
R10 1.0K <1/10W>
C8 0.01 <B>
L2
BLm11
<A601>
CN7
B3B-XH-AM
B2B-XH-AM
CN10
CN6 B8B-PH-K-S
5V 5V
12V BZ1
PST1240P02A-T
B Z
R14 10K <1/10W>
R1 10K <1/10W>
R2 1.0K <1/10W>
Q2 DTC124EUA
2
31
C2 0.1 <F>
I C 1
uPD78F0034BSGB-X39-8ET-01
or
uPD780024ASGB-X39-8ET
44
37 14 15
16
43 23 27
10
20 26 30
9
34
21
22
4
36
2 3
42
41
40
39
17 18
31
19
1
33 32
X1 X2
49
50 51 52
5 6
7
35
11
12
38 13
29
25 24
28
8
P57
RESET
P11
P10
XT2
P36
P03 P35
P34 P00
P56 P55 P54 P47 P46 P45 P44
P75
P02
P20
P21 P22
P74
P12 AVDD
VDD0
VDD1 AVREF
XT1
GND0
GND1
AGND P12
P53 P01
P51
P52
P73 P72
P71
P70
P23 P24
I C
P25
P54
R36
X1 CST8.38MHz
1 3
2
FAN MOTOR
12V
5V
CN101
12V
12V
C104 0.1
VA102 470V
1 43
2
CN101-1 BLACK
CN101-3 YELLOW
CN101-5 WHITE
W106W105
POWER SUPPLY PCB EZ-00307HSE-P
CN103 B2B-XASK-1-A
B2B-XH-AM
CN104
B2P3-VH-B
CN102
POWER TRANSFORMER EZ-030HSE-T
THERMAL FUSE
PRIMARY
SECONDARY
CN102-3 PURPLE
CN102-1 PURPLE
CN104-1 RED
CN104-2 RED
CN103-1 GRAY
CN103-2 GRAY
THERMAL FUSE
(103 )
R103
C107 0.01
W101
E GREEN
C102 4700P
C101 4700P
C103 0.1
VA101 470V
FH102
F101
T
3.15A 250V
W102 BLACK
W103 WHITE
W104 RED
UL1015 AWG22 BLACK
UL1015 AWG22 WHITE
UL1015 AWG22 RED
TERMINAL
LN3
OUTDOOR UNIT
VA103 470V
18
10
14
3
2 5
4 1
5V
C110 0.1 <F>
I C102 H I 2002
CN105 PHR-8
UL1061 AWG26 x 8
CN105-8 WHITE
CN6-8
CN105-7 WHITE
CN6-7
CN105-6 WHITE
CN6-6
CN105-5 WHITE
CN6-5
CN105-4 WHITE
CN6-4
CN105-3 WHITE
CN6-3
CN105-2 WHITE
CN6-2
CN105-1 BLUE
CN6-1
O
I
G
+C111
100/ 25V
C108 0.1 <F>
I C101 7805
+
C106 2200 /25V
D103 1SR139
D102 MTZJ15B
+
Q101 KSD880
D101 S1VB20
R101 10K <1/4W>
C105 2200 /35V
R102 1.0K <1/2W>
+C109
10/ 50V
SSR101
G3MC-201PL-VD DC12V
L101 SS11V-10062
UL1015 AWG20
ORANGE
ORANGE
FAN CAPACITOR 7.0uF
CN7-1 RED
CN7-2 WHITE
CN7-3 BLACK
12V
12V
I C5-1 uLN2003
I C5-4 uLN2003 I C5-3 uLN2003 I C5-2 uLN2003
8
13 15
14
16
9
4 2
1 3
CN5-1 RED
CN5-2 ORANGE
CN5-3 YELLOW
CN5-5 BLUE
CN5-4 PINK
UL1061 AWG26 x 5
CN5 53325-0510
UL1061 AWG26 x 6
LOUVER
M
CN4-6 WHITE 6
CN4-4 WHITE
CN4-5 WHITE 5
4 3 2
1
CN4-2 WHITE
CN4-3 WHITE
CN4-1 RED
5V CN4 B6B-PH-K-S
CN1 B5P-SHF-1AA
CHECKER
5V
5V
CN201
INDICATOR PCB EZ-00307HSE-D
+
X201 GP1UM261RK
C202 0.1 <F>
R201 47 <1/4W>
C201 47/10V
VCC (+5V)
DATA
GND
OPERATE TIMER
DEFROST
RED
GREEN
ORANGE
D201 SLR-325 <VC>
D202 SLR-325 <DC> D203 SLR-325 <MC>
CN2-1 BLACK
CN2-1 BLACK
CN3-1 GRAY
CN3-2 GRAY
5V CN2
CN3
R27 10K <1/10W> (1%)
R26 49.9K <1/10W> (1%)
ROOM TEMPERATURE THERMISTOR
PIPE TEMPERATURE THERMISTOR
C27 0.1 <F>
5V
R28 10K <1/10W>
MANUAL AUTO SWITCH
SW1
RESET 1
2
5 3
4
I C3 BD4742G
C25 0.1 <F>
C22 0.1 <F> C21 0.1 <F>
R24 390 <1/10W>
R25 390 <1/10W>
5V
R22
R23
R20
R21
10K <1/10W> x 4
5V
R19 10K <1/10W>
C16 1000P <R>
R18 47 <1/10W>
R17 330 <1/10W>
R16 330 <1/10W>
R15 330 <1/10W>
5V
R29 10K <1/10W>
R30 1.0K <1/10W>
HEATING TEMPERATURE CORRECTION 1
HEATING TEMPERATURE CORRECTION 2
REMOTE CONTROL CUSTOM CODE HA SWITCHING
SERIAL SWITCHING
Models : RSM-7LA
RSM-9LA RSM-12LA
I N D O O R P C B C I R C U I T D I A G R A M
6
2005.08.05

12V
12V
5V
12V
12V
BLACK
BLACK
BROWN
BROWN
BLACK
WHITE
RED
BLUE
( ACTPM )
18V
C415 0.01 <F> A
C413 0.01 <F>
A
A
R437 270 <1/10W> (1%)
R438 270 <1/10W> (1%)
5V
R404 510 <1/10W> 18V
I C402 PS2561L-1-V
Q401 DTC114EKA
2
1 3
2
1 4
3
CN407 B4B-XASK -1-A WHITE
ACTPM CONTROL
4
1
2 3
BROWN
RED
ORANGE
YELLOW
UL1007 AWG24
TM102
TM103
W11 BLACK
D101 D25XB60
+
-
1
4
2
3
UL1015 AWG14 BLACK
+
-
I C414 SACT32010A
L1 L2 P
N1
UL1015 AWG14 RED
W10 RED
2P TERMINAL
WHITE
PURPLE
BLUE
YELLOW
+C204
1200
450V
EMI FILTER RFC-8 1T
W12
W13
18V
TM104
TM105
A
R201 220K <2W>
C116 0.1 <HCP>
UL1015 AWG14
2T
EMI FILTER TFC-25 -15-12
CHOKE COIL L=0.3MH 30A
C115 0.1 <HCP>
C114 1.0 <LE>
R200 ZPR0RCH400
1
4
2
3
12
C113 0.015 <YE>
C112 0.015 <YE>
12V
K101 DW12D1
L4 RCV2515-010PF05
12
3
4
C109 0.015 <YE>
C110 0.015 <YE>
C111 1.0 <YE>
5V
1
2
3
+
C60
<PJ>
220/16V
5V
C107 2.2 <LE>
1.0 <LE> x 2
C117, C118
TM100
L2 N200500K
C104 0.033 <YE>
C105 0.033 <YE>
C106 1.0 <LE>
C102 0.033 <YE>
C103 0.033 <YE>
L1 RCV2515-010PF05
C101 1.0 <LE>
VA101 470V <TNR>
VA102 470V <TNR>
SA100 RA-302M VA103
470V <TNR>
R60 1.0K <1/10W> (1%)
CT1 CT-1B D60
DAN217U
C64 0.1 <F>
VR1 B2K
R68 22K <1/10W>
12V
T1 JPZ-200
15V
1 2
3
6 7 89
10
12 13 15 16
1
2
3I O
G
C35 C36
0.01 <F> x 2
5V
10K <1/10W> x 2
R407
R403
I C401 PS2561L-1-V
18V
18V
1
2
3
4
3 4
2
1
I C401 PS2561L-1-V
15V
15V
R115 1.0K <1/10W>
5V
CONTROLLER PCB ASSEMBLY ( MAIN PCB )
EZ-0037HUE-C
Model : ROM-18LA2
O U T D O O R P C B C I R C U I T D I A G R A M
7
2005.08.05

E R R O R C O N T E N T S
8
2005.06.10
INDOOR UNIT
When an error occurs, "Large division indication" is indicated first.
Secondly, "Small division indication" is indicated by pushing "Test run" button of remote controller.
: Fast flashing : Slow flashing
Operation lamp : Red lamp
Timer lamp : Green lamp
Error contents Error contents
Thermistor error
(indoor unit)
Thermistor error
(outdoor unit)
(2 times)
Thermistor error (room temp.)
Red lamp
Green lamp
Red lamp
Green lamp
Red lamp
Green lamp
Red lamp
Green lamp
Red lamp
Green lamp
Red lamp
Green lamp
Red lamp
Green lamp
Red lamp
Green lamp
Red lamp
Green lamp (2 times)
Red lamp
Green lamp (3 times)
Red lamp
Green lamp (2 times)
Red lamp
Green lamp (4 times)
Red lamp
Green lamp (2 times)
Red lamp
Green lamp (3 times)
Red lamp
Green lamp (2 times)
Red lamp
Green lamp (3 times)
Red lamp
Green lamp
(2 times)
Red lamp
Green lamp
(4 times)
Red lamp
Green lamp
(6 times)
Red lamp
Green lamp
(8 times)
Red lamp
Green lamp
(9 times)
Red lamp
Green lamp
(10 times)
Red lamp
Green lamp
(2 times)
Red lamp
Green lamp
(2 times)
Red lamp
Green lamp
(2 times)
Red lamp
Green lamp
(5 times)
Thermistor error (heat exchanger)
Control unit error
(indoor unit)
Control unit error
(outdoor unit)
Pressure switch
error
Inverter error
Serial error
(4 times)
MANUAL AUTO button error
Power source Hz decision error
Serial reverse transmission error
Serial order transmission error
Fan motor error
(indoor unit)
(5 times)
Lock error
(6 times)
(2 times)
(3 times)
(4 times)
(5 times)
r.p.m error
Discharge thermistor error
Heat exchanger thermistor error
Outdoor temperature thermistor error
Compressor thermistor error
2 way valve thermistor error
3 way valve thermistor error
Pressure switch error
Capacity error of connecting indoor unit
Outdoor unit IPM error
Compressor loter location error
LED indication LED indication
Small division indication Large division indication

Air cleaning filter (optional) Model : APS-03B
INDOOR UNIT
D I S A S S E M B LY I L L U S T R AT I O N
63
777
74
74
759
240
850
9
2005.07.11