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12. Installation method
12.1 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.
12.1.1 Names of components in control box
LGH-50 and LGH-100RX types
Earth pole
SW4
SW3
SW1
SW2
SW5
TM3
TM2
12.1.2 Wire connection diagram -----
Models LGH-50 and 100RX
* 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 ter-
minal block
: Connector
: Board inser-
tion connector or
fastening connec-
Uncharged
tor of control
External control input
board
TM1
BROWN
GREEN/YELLOW
RED
CN8-1
CN8-2
DSA1
ZNR102
FUSE
S1
× 3
250V6.3A
BLUE
ZNR101
C101
SW4
× 4
BROWN
S2
3
WHITE
CN1
× 1
WHITE
1
1
× 5
YELLOW
SW3
× 2
CN7
6
RED
BROWN
CN2
BROWN
CN16
CN32
SW2
SW1
GREY
GREY
CN5
BLUE
SW5
BLUE
ORANGE
CN6
SA1
SA2
ORANGE
TB5
1
2
3
4
5
6
A
B
S
Shield wire
12V or
M-NET-transmissiion cable
24V DC
Transmissiion
Mr. Slim
(non-polar)
cable
Lossnay unit
1
3
PZ-
PZ-
Max 15 units
41SLB-E
52SF-E
a-contact
LGH-200RX type
SW1
SW5
SW2
SW4
SW3
LED4
LED1
LED2
SW1
SW5
LED6
SW2
LED4
Bush
SW4
TB5
SW3
SA2
SA1
TM1
Bush
Cord Clip
M1:
M2:
C:
TM1
BREKER
GM:
PE
N
L
LS:
N
POWER SUPPLY
TH1:
L
220-240V - 50HZ
TH2:
220V - 60HZ
SW1:
(Invalid in EU)
SW2,5: Switch (Function selec-
SW3:
TR
SW4:
GM
TM1:
LS
TM2:
TM3:
TH1 (OA)
TB5:
TH2 (RA)
S1,S2: Connector (Power sup-
TR:
X7:
CN16
Unchaged
High
a-contact
• PZ-41SLB-E and PZ-52SF-E cannot be used simultaneously.
Low
High/Low select connector
Symbol explanation
Motor for exhaust fan
X8:
Motor for supply fan
Capacitor
CN1:
Motor for Bypass move-
ment
CN2:
Microswitch
Thermistor for outside air
CN5:
Thermistor for return air
Switch (Main/Sub change)
CN6:
tion)
CN7:
High/E.High select switch
(Exhaust fan)
CN8-1: Tab connector
High/E.High select switch
(Supply fan)
CN8-2: Tab connector
Terminal block
CN9:
(Power supply)
CN10: Connector (Fan motor)
Terminal block
CN16: Connector (High/Low
(Transmission cable and
external control input)
CN32: Connector (Remote
Terminal block (Monitor
output)
SA1:
Terminal block
(M-NET Transmission
cable)
SA2:
ply)
Control circuit trans-
former
LED1: Inspection indicator lamp
Relay contact (For opera-
LED2: Inspection indicator lamp
tion monitor output)
LED4: Power supply indicator
LED6: M-NET indicator lamp
SA2
SA1
TM3
LED6
SA2
SA1
LED2
TM3
LED1
TB5
TM2
Bush
Relay contact (For mal-
function monitor output)
Connector
(Transformer primary)
Connector
(Transformer secondary)
Connector
(Thermistor)
Connector
(Microswitch)
Connector (Motor for
bypass operation)
(Fan motor)
(Fan motor)
Connector (Fan motor)
switch)
control selection)
Address setting rotary
switch
(10 digit)
Address setting rotary
switch
(1 digit)
lamp
159
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