Mitsubishi Heavy Industries SRRM40HENG-L, Handbook, Page: 713 / 1106

711
V MULTI
18.3 ELECTRICAL DATA
18.3.1 Electrical wiring
(1) Indoor unit
(a) Ceiling recessed type (FDT)
Models All models
(b) Cassetteria type (FDR)
Models All models
LM
FM
I
(49F
I
)
DM
Y /
G
N
RD
WH
BK
TB
1
2
3
1
2
9
X
1
X
3
X
4
X
7
X
5
X
2
WH
WH
WH
OR
OR
RD
RD
BL BK
BL
BK
WH WH Y /
G
N
CnJ CnF
1
CF
I
3
8 7
6
5
L
H UH
OR
WH
WH
RD
WH
RD BR
BR GR
CnF
1
CnJ CnR Cn I
Cn I CnR
4 13
X
1
X
2
X
3
X
4
X
7
X
5
Val
CnT
CnH
CnN
CnS
CnB
CnN
CnH
2
Th I –A
Th
I
–R
BK BK
BK BK
RD
RD BK
BK
BK RD
BK
BR
CnW
1
CnW
2
CnQ
Tr
I
Test
XR1
XR2
XR3
XR4
XR5
Option
Remote
controller
SW2
SW3
ON
BK
BK
RD
WH
BK
RD WH BK
Thc
BK LS
CnS2
BK
ON
OFF
OFF
1 2 3 4
1 2 3 4
PC
FS
X
6
4
5
BL
BR
PC
10
14
X
6
12V
220/240V
Printed circuit board
Y
Y
Z
Z
X
X
{
{
Power wires
to outdoor unit
to outdoor unit
Y / GN
RD
RD
FM
I1
(49F
I
)
X
3
X
4
X
7
BK
RD
BK
BK
BK
BL
BL
BL
BR
BR
BR
CnF
4
CnF
4
CnF
3
CnF
2
CF
I1
8 7 6
H M L
UH
OR
OR
CnF
2
RD/WH
BL/WH
BK/WH
CnF
4
CnF
3
FM
I2
(49F
I
)
Y / GN
WH
CnF
5
CnF
5
CnS
CF
I2
H M L
UH
OR
OR
CnF
5
DM
Y / GN
RD
WH
BK
TB
1
2
3
1
11
9
X
5
X
2
X
1
5
WH
BK
WH
BR
RD
WH
BR
RD
RD
BK
BK
BR /WH GR
CnR Cn I
CnR
I
CnR I
CnR I CnR I
Cn I CnR
4 3
13
X
1
X
2
X
3
X
4
X
7
X
5
Val
CnT
CnH
CnN
CnN
CnH
2
Th
I
–A
Th
I
–R
BK
BK
BK BK
RD
RD BK
BK
BK RD
BK
BR
CnW
1
CnW
2
CnQ
Tr I
Test
XR1
XR2
XR3
XR4
XR5
Option
SW3
ON
OFF
1 2 3 4
PC
Printed circuit board
FS
X
6
4
5
BL
BR
PC
10
14
X
6
12V
220/240V
CnB
RD
WH
BK
Y
Z
X
TB
Remote
controller
RD WH BK
Thc
Y Z X
{
{
Power wires
to outdoor unit
to outdoor unit
Note(1) "FM
I2
" and the following wires (shown in ) are equipped only for FDR408, 508.
SW1
Mark Parts name
X
5
Auxiliary relay (for 52C)
X
6
Auxiliary relay (for 20S, 52Fo)
Thc Thermistor
ThI-A Thermistor
ThI-R Thermistor
Tr
I
Transformer
Va
I
Varistor
PC Photo coupler
Meaning of marks
Mark Parts name
FM
I1, 2
Fan motor (indoor unit)
49F
I
Internal thermostat for FM
I
CF
I1, 2
Capacitor for FM
I
DM Drain motor
FS Float switch
X
1
Auxiliary relay (for LM)
X
2
Auxiliary relay (for DM)
X
3 4, 7
Auxiliary relay (for FM
I
)
Mark Parts name
CnA-W
Connector
TB Terminal block
■
Connector
v
Terminal (F)
LED-1 Indication lamp (Green-Run)
LED-2
Indication lamp (Yellow-Check)
SW1 Switch (Address set)
SW3 Changeover switch
Mark Color
WH
White
Y/GN Yellow/Green
RD/WH Red/White
BL/WH Blue/White
BK/WH Black/White
BR/WH
Brown/White
Color mark
Mark Color
BK
Black
BL Blue
BR Brown
GR Gray
OR Orange
RD
Red
Meaning of marks
Mark Parts name
FM
I
Fan motor (indoor unit)
49F
I
Internal thermostat for FM
I
CF
I
Capacitor for FM
I
LM Louver motor
LS Limit switch
DM Drain motor
FS
Float switch
X
1
Auxiliary relay (for LM)
X
2
Auxiliary relay (for DM)
Mark Parts name
X
3, 4, 7
Auxiliary relay (for LM)
X
5
Auxiliary relay (for 52C)
X
6
Auxiliary relay (for 20S, 52Fo)
Thc Thermistor
ThI-A Thermistor
ThI-R Thermistor
Tr
I
Transformer
Va
I
Varistor
PC Photo coupler
Mark Parts name
CnA-W Connector
TB
Terminal block
■
Connector
v
Terminal (F)
LED-1 Indication lamp (Green-Run)
LED-2 Indication lamp (Yellow-Check)
SW2, 3
Changeover switch
Color mark
Mark Color
BK Black
BL
Blue
BR Brown
GR Gray
OR Orange
RD Red