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5. ELECTRICAL WIRING DIAGRAMS
YKB/YLM 2nd
OA
MEE15K022
5.
E
L
E
C
T
R
IC
A
L
W
IR
IN
G
D
IA
G
R
A
M
S
TM1, TM2, TM3 shown in dotted lines are field work.
Be sure to connect the grounding wire.
Isolators should be supplied by the field.
BROWN
RED
PURPLE
ORANGE
PINK
WHITE
LEV
CN60
Warning
Before obtaining access to terminals, all supply circuits
must be disconnected.
:board insertion connector or fastening connector of control board.
:indicates terminal block,
MARK
:connector
ISOLATOR
POWER SUPPLY
220-240V~ 50Hz
L
PE
N
N
L
S
B
A
2
7
8
9
10
11
1
12
BROWN
BLUE
CND1
CND2
X06
X07
X04
X05
1
BROWN
BROWN
BLUE
RED
3
X03
X08
X09
7
1
6
1
CN70
RSV(1kΩ)
CNL
7
7
X02
FAN3
3
1
FAN4
FAN1
3
1
3
1
C
C
3
1
RED
M2
M1
WHITE
BLUE
PINK
BLACK
SUPPLY FAN
EXHAUST FAN
PINK
BLACK
RED
RED
RED
RED
RED
WHITE
BLUE
PURPLE
PURPLE
FAN2
TM2
TM1
TR
250V 6.3A
ZNR901
CNT
CN3T
GREEN
/YELLOW
LED3
CN22
CN29
CN21
SW1
SW2
SW3
SW12
LED1
LED2
SW11
SW14
CN20
CN27
CN4D
DB901
ZNR902
DSA1
FUSE1
YELLOW
PINK
GREY
YELLOW
ORANGE
YELLOW
BLACK
BLACK
PINK
GREY
YELLOW
ORANGE
pipe
Liquid
TH2
pipe
Gas
TH3
TH4 (RA)
TH1 (OA)
L S
W. S
GM
SV2
SV1
TM3
*Specifications may be subject to change without notice.
Uncharged a-contact
Humidistat
240VAC more than
10mA
Operation monitor output
AC240V 1A AC220V 100mA
DC 24V 1A DC 5V 100mA
MAX MIN
Malfunction monitor output
MAX MIN
AC240V 1A AC220V 100mA
DC 24V 1A DC 5V 100mA
Shield wire
M-NET Remote controller
Fresh Master
To Outdoor Unit , BC Controller
M-NET transmissiion cable
Remote Controller
Symbol Explanation
M1
M2
C
W. S
SV1
SV2
TH1
TH2
TH3
TH4
LEV
Fan motor (exhaust)
Fan motor (supply)
Capacitor
Water sensor
Solenoid valve (pressure regulator)
Solenoid valve (exhaust)
Thermistor (outdoor air temp. detection)
Thermistor (pipe temp. detection/liquid)
Thermistor (pipe temp. detection/gas)
Thermistor (room air temp. detection)
Electronic linear expansion valve
RSV
TM1
TM2
TM3
SW1
SW2
SW3
SW11
SW12
SW14
1, 2
Resistance (solenoid valve)
Terminal block (power supply)
Terminal block (transmission)
Terminal block (humidistat, monitor)
Switch (function selection)
Switch (capacity code setting)
Switch (function selection)
Switch (ones digit address set)
Switch (tens digit address set)
Switch (branch NO. set)
Remote controller terminal
A, B
S
CND1, CND2
X02-X09
TR
GM
LS
LED1
LED2
LED3
M-NET transmission terminal
Shield
Connector (power supply)
Relay
Transformer
Damper motor
Limit switch
Power supply monitor
MA remote controller
Power supply monitor
M-NET Power supply monitor
Symbol
Name
Symbol
Name
Symbol
Name
Humidifying T
ype GUF-50/100RDH
4
