TCL TCA-18HRA/DVO, Technical Manual, Page: 102 / 113

DC Inverter Air
10—wire controller
11—SW2
12—SW1 Indoor Unit Type DIP
13—Transformer Output
AC power supply is inputted into transformer, and the transformer will output 15V and then input to the
electri
c control panel.
14—POWER SOUREC input interface
15— FUSE
2) Description of Motherboard of Indoor Unit (Duct/ Ceiling & floor)
1 2 3 4
16
5
15
14 6
7
13 12 11 10 9 8
1—Transformer Input socket, 220v high voltage
220V‐240V is inputted to switch power board (transformer), 220V power supply of the power board is
inputted to the socket and transmitted here via fuse and PTC protector.
2—
Pu mp
3—Indoor Unit Capacity DIP
Power Dial Switch
Capacity KNOB1
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