Installation method (continued)
Wire connection diagram ----- Model LGH-150 and 200 RVXT-E
* TM1, TM2, TM3, TM4, TB5 shown in dotted lines are field work.
* Be sure to connect the ground wire.
* A power supply isolator must be installed.
* Always use an isolator for the main switch power connection.
* Select proper circuit breaker according to the electrical current information in the chart below.
Model
Maximum current when operating [A]
10 ms
Inrush current after power
supply ON [A]
100 ms
M
3
EXHAUST
FAN MOTOR
(Inside)
M
2
SUPPLY
FAN MOTOR
(Inside)
M
EXHAUST
FAN MOTOR
(Outside)
M
1
SUPPLY
FAN MOTOR
(Outside)
GM
M1:
Motor for supply fan (outside)
M2:
Motor for supply fan (inside)
M3:
Motor for exhaust fan (inside)
M4:
Motor for exhaust fan (outside)
GM:
Motor for By-pass damper
TH1:
Thermistor for outside air
TH2:
Thermistor for return air
SW2,5: 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)
LGH-150RVXT-E
LGH-200RVXT-E
5.6
12.1
6.6
Printed Circuit
Board 1
CN9
LED6
CN10
CN119
CN118
TAB2 TAB1
TAB5
Printed Circuit
Board 2
4
CN9
LED6
CN121
CN10
CN7
TAB2
TAB1
Definition of symbols
TAB1, TAB2, (TAB5): Connector (Power supply)
TAB3,TAB4: Connector (Reactor)
X13:
Relay contact
X14:
Relay contact
X15:
Relay contact
CN5:
Connector (Thermistor RA)
CN7:
Connector (Motor for By-pass damper)
CN9:
Connector (Fan motor)
CN10: Connector (Fan motor)
CN17: Connector (Fan speed 1/2/3/4)
CN18: Connector
CN118: Connector
CN19: Connector
6.4
(*1)
MAX 240 VAC 1 A MIN 220 VAC 100 mA
Bypass monitor or Pre-
24 VDC 1 A
heater signal output (*1)
Malfunction monitor
TM3
7
output (*1)
Operation monitor
8
output (*1)
9
COM
10
PZ-
X15
61DR-E
1
TM4
2nd remote controller
2
(Max. 2 controllers)
2nd Lossnay unit
(Max. 15 units)
A
M-NET-
TB5
transmission cable
B
Shielded Wire
S
TM2
1
12V or
Volt-free
24VDC
2
contact
Mr .Slim
(non-polar)
3
CN5
REACTOR
TH2(RA)
LINE
FILTER
TM1
REACTOR
CN119: Connector
CN20: Unused
CN22: Connector (Thermistor OA)
CN26: Connector (By-pass, 0 - 10 VDC Fan speed control)
CN32: Connector (Remote control selection)
SA1:
SA2:
LED1 to LED3: Inspection indicator lamp
LED4, LED6: Power supply indicator lamp
SYMBOL
5 VDC
100 mA
CN20(GR)
CN26(WH)
CN32(WH)
X14
X13
CN17(RE)
LED3
Printed Circuit
Board for control
LED4
LED2
LED1
SW2
SA1
SA2
SW5
CN21
CN19
CN18
CN22
TH1(OA)
Isolator
(Field supply)
L
L
N
N
POWER SUPPLY
PE
Address setting rotary switch (tens digit)
Address setting rotary switch (ones digit)
: Terminal block
: Connector on PCB
Eng-7