6
Disconnect the connector of the indoor/outdoor connection wires (red, white and black) and remove the fixing
screw of the earth wire (green).
7
Remove the screw (1 piece) which fixes the power-supply box to the outer side panel (right).
8
Pull the outer side panel (right) towards you while pulling up the fixing tab (1 location) of the powersupply box
to disengage the tab.
9
Lift up the power-supply box to remove it.
16.2.4 Removing the Control Board
1
Perform "16.2.1 Removing the Outer Top Panel and Outer Front Panel".
2
Perform "16.2.2 Removing the Electrical Component Covers (2 & 3-way valve Cover and Terminal Plate
Cover)".
3
Perform "16.2.3 Removing the Power-Supply Box".
4
Disengage the tabs (6 locations) and remove the metal cover.
Notes on disassembly: During the replacement of outdoor control board, the control board and plastic
power-supply box are separated by removing the screws (2 pieces) on the soldered surface. These two
parts can be replaced as an integrated piece by applying silicon to them.
105