- Heat insulation material to be prepared. Adiabatic glass wool with thickness 10 to 20mm.
- Stick all glass wool on all air conditioners that are located in ceiling atmosphere.
- In addition to the normal heat insulation (thickness: more than 8mm) for refrigerant piping
(gas piping: thick piping) and drain piping, add further 10mm to 30mm thickness material.
27.11. SELF DIAGNOSIS FUNCTION
- If LED5 (yellow) is flashing, the microcomputer in the electronic controller is functioning
normally.If LED5 is lighting steady, OFF, or flashing irregularly, try turning the power off and then
on again.
- You can find the fault point by the remote control indicator or the self-diagnosis LEDS on the
indoor and outdoor electronic controller.
- CHECK will flash in the remote control indicator when a problem occurs.
- When the CHECK switch is pushed, the problem will be dislayed in the indoor temperature setting
display
- Correct the accident point as shown in the table below before restarting operation.
- Accident points are stored in memory.
- During fault normal operations, pressing the CHECK switch for 5 sec. or longer will display the
contents of the previous accident points.
- Press the CHECK switch again to restore the normal display.
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