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Connection Diagram - Toshiba VN-M150HE Service Manual

Air to air heat exchanger concealed microcomputer control type
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Connection diagram

M
M
FM1
Connector
Connector
1~
1~
(White)
(Black)
White
C
White
Connector
(White *6)
3
2
3
1
3
2
3
43F12
43F11
43F22
5
5
5
White
White
Air to Air Heat
Exchanger
R(L)
Power supply for the Air
Earth
to Air Heat Exchanger
220-240V~, 50Hz
220V~, 60Hz
Code
Part name
CN***
Connector
F01
Fuse
FM1
Air supplying motor
FM2
Air exhausting motor
DAM
Damper motor
TRA
TRA sensor
1. The dotted line represents a wire procured locally, and the dashed line represents an option sold separately.
2.
represents a terminal block,
the printed circuit board.
3.
represents a protective earth.
4.
represents a printed circuit board.
5. Using a no voltage a-contact input of the external input (sold separately), the following operations are available:
Between 1 and 2: Selecting the remote controller operation (Invalid/Valid)
Between 1 and 3: Adjusting the ventilation fan speed (Low/High)
Between 1 and 4: Selecting the ventilation mode (Bypass mode/Heat exchange mode)
Between 1 and 5: Operation (ON/OFF)
Use a microcurrent contact (DC12V, 1mA). In addition, ON/OFF operation is possible when using a voltage of
DC12V or 24V.
6. Blue wire (High) is connected as factory default. To switch to "Extra High", connect black wire's connector
instead of blue.
7. When the temperature of the outdoor air is below -10°C, the unit runs in the cold mode (the ventilator for air
supply runs intermittently). The unit cannot run when the temperature of the outdoor air is below -15°C. The
ventilator for air supply stops running and the ventilator for air exhaust also stops depending on the settings.
8. Even if "Bypass mode" is selected manually, the unit switches to "Heat exchange mode" automatically to prevent
condensation when the temperature of the outdoor air is below 15°C. However, "Bypass mode" is still displayed.
Gray
Light blue
7
7
7
43F12
43F11
43F22
FM2
8
8
8
Yellow
C
Yellow
P01
Black
CN701
(White)
Connector
1
3
5
1 3
(Red *6)
1
43F21
F01
5
T3.15A
250V~
Red
1
White
3
CN67
(Black)
represents the connector to switch between
S(N)
TB1
Extra High and High.
Code
TOA
RY701, RY702 Relay for air supplying motor
RY704, RY705 Relay for air exhausting motor
TB1
TB2
TB3
represents a connection terminal, and
External output
(220-240V~, under 1A each)
7
43F21
8
1 2
3
4 5 TB3
M
DAM
6
CN702
(Red)
5
1
2
3 4
5
6
1 3
5
7
CN760
(White)
Indoor control
circuit board
MCC1615
Power
DC20V
+
supply
DC12V
-
DC 5V
Part name
TOA sensor
Terminal block (power supply)
Terminal block (communication)
Terminal block (external output)
15
*5 External input (sold
separately)
No voltage a-contact input
Operation output
Common
External damper output
Abnormal/Bypass mode output
Voltage DC (12V, 24V) input
5
CN704
9
1
2
3
4
5
CN705
CN105 1
SW701
SW301
(Brown)
ON
ON
OFF
OFF
SW702
SW703
CN106 1
ON
ON
(White)
OFF
OFF
1
2
3
4
1
2 3 4
CN040
2
1
1
(Blue)
Blue Blue
Black
TB2 U3
U4
A
Wiring for central control
A
B
Code
SW301, SW701
DIP switch
SW702, SW703
43F11, 43F12
Relay for air supplying motor
43F21, 43F22
Relay for air exhausting motor
represents a connector on
1 Common
2 Remote controller operation
3 Ventilation fan speed
4 Ventilation mode
5 Operation
1
2
2
1
2
CN706
TRA
2
TOA
2
3 CN041
(Blue)
Black
B
Wiring for the remote
controller
Wired remote
controller (sold
separately)
Part name

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