Symbol explanation
• PZ-41SLB-E and PZ-52SF-E cannot be used simultaneously.
M1:
Motor for exhaust fan
M2:
Motor for supply fan
C:
Capacitor
GM:
Motor for Bypass move-
ment
LS:
Microswitch
TH1:
Thermistor for outside air
TH2:
Thermistor for return air
SW1:
Switch (Main/Sub change)
SW2,5: Switch (Function selec-
tion)
SW3:
High/E.High select switch
(Exhaust fan)
SW4:
High/E.High select switch
(Supply fan)
TM1:
Terminal block
(Power supply)
TM2:
Terminal block
(Transmission cable and
external control input)
TM3:
Terminal block (Monitor
output)
TB5:
Terminal block
(M-NET Transmission
cable)
S1,S2: Connector (Power sup-
ply)
TR:
Control circuit trans-
former
X7:
Relay contact (For opera-
tion monitor output)
X8:
Relay contact (For mal-
function monitor output)
CN1:
Connector
(Transformer primary)
CN2:
Connector
(Transformer secondary)
CN5:
Connector
(Thermistor)
CN6:
Connector
(Microswitch)
CN7:
Connector (Motor for
Bypass operation)
CN8-1: Tab connector
(Fan motor)
CN8-2: Tab connector
(Fan motor)
CN9:
Connector (Fan motor)
CN10: Connector (Fan motor)
CN16: Connector (High/Low
switch)
CN32: Connector (Remote
control selection)
SA1:
Address setting rotary
switch
(10 digit)
SA2:
Address setting rotary
switch
(1 digit)
LED1: Inspection indicator lamp
LED2: Inspection indicator lamp
LED4: Power supply indicator
lamp
LED6: M-NET indicator lamp
3. Wiring diagrams
—7—
LGH-F300RX
3
-E,LGH-F600RX
3
-E
MARK
: Indicates ter-
minal block
: Connector
: Board inser-
tion connector or
fastening connec-
tor of control
board
* Connect the wires shown as dotted lines.
* Be sure to connect the grounding wire.
* Breaker should be provided by the customer.
