4
(1) Refer to the wiring diagram and screw down the grounding wire
and transmission cables to the terminal block.
(2) Secure the power supply cable and transmission cables using
the cord clamp.
Upon completion of the wiring connections, replace the control box
cover.
3. When installing upside down
CAUTION
•
If installing and using this product upside down, the power sup-
ply cable outlet will be at the top. Be sure to attach the protec-
tive cover so that no drops of water can get inside the control
box.
4. Changing the switch for High and Extra High
To increase the air volume, change the switch from “high” to “extra
high”.
•
The factory setting is “High”.
•
Can be switched for each supply and exhaust separately.
Electrical installation (continued)
2. Connecting the power supply cable and
transmission cable
Pass the power cable through the bush* and connect to the TM1
terminal block using the round terminals. Connect the grounding
wire to the grounding terminal and secure tightening the bush. (*:
for PG connection or the like)
CAUTION
•
Always separate the power supply cable and transmission ca-
ble by 5 cm or more to prevent malfunctioning of the unit.
•
If the length of the stripped power cables wires is too long, the
conductors may touch and cause shorting.
LGH-50 and 100 RX
3
High and Extra High switch
Exhaust air
Supply air
High
E-High
High
E-High
LGH-200 RX
3
LGH-50 and 100 RX
3
LGH-200 RX
3
Protective cover
<When installing upside down>
Control box
<When installing upside down>
Protective cover
Control box
LGH-50 and 100 RX
3
Power supply cable
Grounding wire
Power supply cable
Transmission cable
Cord clip
Insert the cutting
TM1
Bush
PG connection
LGH-200 RX
3
Power supply cable
Cord clamp
Grounding wire
TM1
TB5
TM2
Bush
Transmission cables
MITSUBISHI ELECTRIC CORPORATION
Specifications
Model
name
Voltage
(V)
Line
frequency
(Hz)
Current
(A)
Fan speed
Power
consumption
(W)
Static pressure
Air volume
Noise (dB(A))
Excharge efficiency (%)
Weight
(kg)
Air
outlets
Below
the unit
(m /h)
3
(L/S)
Temperature
Enthalpy
Heating Cooling
1-Phase
208 - 230
LGH-
50RX
3
-CAN
60
1.23-1.25
1.0-1.04
0.56-0.60
2.9-2.9
2.5-2.5
1.6-1.7
5.7-5.7
5.1-5.1
3.3-3.4
Extra High
High
Low
Extra High
High
Low
Extra High
High
Low
253-278
207-237
116-139
596-654
526-578
336-390
1200-1290
1058-1161
682-786
500
420
260
1000
900
650-700
2000
1800
1250-1350
139
117
72
278
250
181-194
556
500
347-375
73
75
81
74
76
79-79
73
75
79-78
110-205
70-145
30-70
140-205
110-170
60-100
115-200
90-160
45-90
66
69
75
68
69
73-72
68
69
74-73
47
49
57
48
50
56-54
48
50
56-55
33
11.2-20.9
7.1-14.8
3.1-7.1
14.3-20.9
11.2-17.3
6.1-10.2
11.7-20.4
9.2-16.3
4.6-9.2
(mmH
2
O)
(Pa)
41-44
36-40
29-31
45-47
42-45
34-37
50-52
47-49
39-41
33-36
30-32
24-25
37-39
35-37
28-30
39-41
37-39
30-32
1-Phase
208 - 230
LGH-
100RX
3
-CAN
60
72
1-Phase
208 - 230
LGH-
200RX
3
-CAN
60
179
Bush
Power supply cable
Control box
Transmission cable
TM1
TB5
TM2
High and Extra High
Switch
Supply air
E-High
Exhaust air
High
E-High
High
Grounding wire
