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Electrical installation
With this product, the wiring installation method will vary according to the design of the system. Perform electrical installation for each of the
required sections.
Names of components in control box
LGH-50 and 100 RX
3
Earth pole
SW4
SW3
SW1
SW2
SW5
TM3
TM2
Wire connection diagram ----- Models LGH-15 to 100 RX
*
Connect the wires shown as dotted lines.
*
Be sure to connect the grounding wire.
*
Breaker should be provided by the customer.
CN10
5
BLACK
GREY
HIGH
M
YELLOW
2
EXTRA
1
C
HIGH
SUPPLY
FAN MOTOR
CN9
5
ORANGE
BLUE
HIGH
M
WHITE
1
EXTRA
1
C
HIGH
EXHAUST
FAN MOTOR
TM3
Operation monitor output
MAX
MIN
10
AC240V 2A AC220V 100mA
× 7
DC 24V 2A DC 5V 100mA
9
8
× 8
7
Malfunction monitor output
MAX
MIN
AC240V 1A AC220V 100mA
DC 24V 1A DC 5V 100mA
TM2
MARK
: Indicates
terminal block
: Connector
: Board insertion
connector or
fastening
External control input
connector of
control board
2
TM1
LED4
LED1
LED2
LED6
Bush
If connecting an AC
power cable to the
TB5
TM3, remove this
SA2
bush and use a PG
SA1
connector to fix the
power cable.
Bush
GREEN/YELLOW
BROWN
RED
CN8-2
CN8-1
DSA1
ZNR102
FUSE
S1
× 3
250V6.3A
ZNR101
C101
SW4
× 4
S2
3
CN1
× 1
1
× 5
1
SW3
× 2
CN7
6
CN2
CN32
SW2
SW1
CN5
SW5
CN6
SA1
SA2
TB5
1
2
3
4
5
6
A
B
S
Shield wire
12V or
24V DC
Mr. Slim
Transmission
(non-polar)
cable
Lossnay unit
PZ-
1
3
PZ-
Max 15 units
52SF-E
41SLB-E
Uncharged
a-contact
LGH-200 RX
SW1
SW5
SW2
SW4
SW3
SW1
SW5
SW2
LED4
SW4
SW3
Earth pole
TM1
Cord Clip
3
BREAKER
TM1
L1
L1
BLUE
L2
L2
POWER SUPPLY
BROWN
208-230V ~ 60HZ
WHITE
WHITE
TR
YELLOW
GM
RED
LS
BROWN
BROWN
CN16
TH1 (OA)
GREY
GREY
BLUE
BLUE
TH2 (RA)
ORANGE
ORANGE
M-NET-transmission cable
CN16
Unchaged
a-contact
High
Low
High/Low select connector
• PZ-41SLB-E and PZ-52SF-E cannot be used simul-
3
Symbol explanation
M1:
Motor for exhaust
X8:
fan
M2:
Motor for supply fan
C:
Capacitor
CN1:
GM:
Motor for Bypass
movement
LS:
Microswitch
CN2:
TH1:
Thermistor for
outside air
TH2:
Thermistor for return
CN5:
air
SW1:
Switch (Main/sub
CN6:
change)
SW2,5: Switch (Function
CN7:
selection)
SW3:
High/E.High select
switch (Exhaust fan)
CN8-1: Tab connector (Fan
SW4:
High/E.High select
switch (Supply fan)
CN8-2: Tab connector (Fan
TM1:
Terminal block
(Power supply)
CN9:
TM2:
Terminal block
(Transmission cable
CN10:
and external control
input)
CN16:
TM3:
Terminal block
(Monitor output)
CN32:
1
*
TB5:
Terminal block
1
*
(M-NET
SA1:
Transmission cable)
S1,S2: Connector (Power
1
*
supply)
SA2:
TR:
Control circuit
transformer
X7:
Relay contact (For
LED1:
operation monitor
output)
LED2:
LED4:
LED6:
taneously.
SA2
SA1
TM3
LED6
SA2
SA1
LED2
TM3
LED1
TB5
TM2
Bush
Relay contact (For
malfunction monitor
output)
Connector
(Transformer
primary)
Connector
(Transformer
secondary)
Connector
(Thermistor)
Connector
(Microswitch)
Connector (Motor
for bypass
operation)
motor)
motor)
Connector (Fan
motor)
Connector (Fan
motor)
Connector (High/
Low switch)
Connector (Remote
control selection)
Address setting
rotary switch
(10 digit)
Address setting
rotary switch
(1 digit)
Inspection indicator
lamp
Inspection indicator
lamp
Power supply
indicator lamp
M-NET indicator
lamp
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