Models All Models - Mitsubishi Heavy Industries SRK25GZ-L1 Handbook

18.3 ELECTRICAL DATA
18.3.1 Electrical wiring
(1) Indoor unit
(a) Ceiling recessed type (FDT)

Models All models

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