– 43 –
(1) The dotted line represents a wire procured locally, and the dashed line represents an option sold
separately.
(2) represents a terminal block, represents a connection terminal, represents a connector on
the printed circuit board and represents a short circuit connector.
(3) represents a protective earth.
(4) represents a printed circuit board.
(5) Using a no voltage a-contact input of the external input (option), the following operations are available.
Between 1 and 2 : Selecting the remote controller operation (Invalid / Valid)
Between 1 and 3 : Adjusting the fan speed (Low / High)
Between 1 and 5 : Operation (ON / OFF)
Use a microcurrent contact (DC 12 V, 1 mA). In addition, ON / OFF operation is possible when using a
voltage of DC 12 V or 24 V.
(6) Orange wire (High) is connected as factory default. To switch to “Extra High”, connect black wire's
connector instead of orange.
Code Parts name Code Parts name Code Parts name
CN** Connector TFA TFA sensor DMV1 Decompression magnetic valve
F01 Fuse (printed circuit board)
TCJ, TC1, TC2
Indoor coil sensor PMV Pulse modulating valve
F02 Fuse (motor) TB1 Terminal block (power source) SW701 Dip switch
FM1 Air supplying motor TB2 Terminal block (communication)
43F11, 43F12
Relay for air supplying motor
FM2 Air exhausting motor TB3 Terminal block (external output)
43F21, 43F22
Relay for air exhausting motor
DAM Damper motor TB4 Terminal block (humidistat)
RY701, RY702
Relay for air supplying motor
TRA TRA sensor TB5 Terminal block (magnetic valve)
RY704, RY705
Relay for air exhausting motor
TOA TOA sensor FS1 Float switch
TSA TSA sensor MV1 Magnetic valve
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