Electrical Wiring Diagrams; Definition Of Symbols - Mitsubishi Electric LGH-F300RVX-E Handbook

5. Electrical wiring diagrams

LGH-F300RVX-E, LGH-F470RVX-E, LGH-F600RVX-E
M
1
EXHAUST
FAN MOTOR
M
2
SUPPLY
FAN MOTOR
GM
M1: Motor for exhaust fan
M2: Motor for supply fan
GM: Motor for By-pass damper
TH1: Thermistor for outside air
TH2: Thermistor for return air
SW2,5,7: Switch (Function selection)
TM1: Terminal block (Power supply)
TM2: Terminal block (External control input)
TM3: Terminal block (Monitor output)
TM4: Terminal block (Transmission cable)
TB5: Terminal block (M-NET Transmission cable) CN19: Connector
TAB1, TAB2, (TAB5): Connector (Power supply)
TAB3, TAB4: Connector (Reactor)
■
Attention
1. With this product, the wiring installation method will vary according to the design of the system.
2. Perform electrical installation to meet local electrical regulations.
3. Always use double insulated PVC cable for the transmission cables.
4. Wiring work must be performed by qualified professionals.
5. All supply circuits must be disconnected before obtaining access to the terminal devices.
6. Select proper circuit breaker according to the electrical current information in the chart below
Model
Maximum current when operating [A]
Inrush current after pow-
er supply ON [A]
Pre-heater signal output (*1)
REACTOR
TAB3, 4
CN9
LED6
Lower Printed
Circuit Board
(Power circuit board)
CN10
CN119
CN118
TAB5 TAB2 TAB1
CN7
X13: Relay contact
X14: Relay contact
X15: Relay contact
CN5: Connector (Thermistor RA)
CN7: Connector (Motor for By-pass damper) SA1:
CN9: Connector (Fan motor)
CN10: Connector (Fan motor)
CN17: Connector (Fan speed 1/2/3/4)
CN18: Connector
CN118: Connector
CN119: Connector
CN22: Connector (Thermistor OA)
LGH-F300RVX-E
2.05
10 ms
100 ms
(*1) MAX 240 V AC 1 A MIN 208 V AC 100 mA
Bypass monitor or
Malfunction
monitor output (*1)
7
Operation
8
monitor output (*1)
9
COM
10
PZ-
61DR-E
1
2nd remote controller
(Max 2 controllers) 2
2nd Lossnay unit
(Max 15 units)
A
M-NET
transmission cable
B
S
Shield Wire
1
12 V or
24 V DC
2
Mr. Slim
Volt-free
(Non-polar)
contact
3
TH2 (RA)
L
N
LINE
PE
FILTER
TM1

Definition of symbols

LGH-F470RVX-E
3.10
6.1
3.6
─ 8 ─
24 V DC 1 A 5 V DC 100 mA
TM3
CN20 (GR)
CN26 (WH)
CN32 (WH)
X14
X15 X13
CN17 (RE)
TM4
CN105 (RE)
LED3
TB5
LED4
LED2
LED1
TM2
SW2
SA1 SA2
SW5
SW7
CN19
CN18
CN5
CN22
TH1 (OA)
(Field supply)
ISOLATOR
L
N
POWER
SUPPLY
208-230 V ～ 60 Hz
CN20: Unused
CN26: Connector (By-pass, 0-10 V DC Fan speed control)
CN32: Connector (Remote control selection)
CN105: Connector (IT communication)
Address setting rotary switch (10 digit)
SA2: Address setting rotary switch (1 digit)
LED1 to LED3: Inspection indicator lamp
LED4, LED6: Power supply indicator lamp
SYMBOL : Terminal block
: Connector on PCB
LGH-F600RVX-E
3.45
Upper Printed
Circuit Board
(Control circuit board)