Si281313E Table of Contents 1. Arrangement of Main Parts ..............2 2. Procedure to Remove Switch Box (Lid) ..........3 3. Procedure to Remove PCB..............4 4. Procedure to Remove Drain Pan ............5 5. Procedure to Remove Fan Motor............6 6. Procedure to Remove Drain Pump and Float Switch......8 7.
Arrangement of Main Parts Si281313E 1. Arrangement of Main Parts Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step The arrangement of main parts is shown below. Service lid (1) Heat exchanger thermistor Service lid (2)
Si281313E Procedure to Remove Switch Box (Lid) 2. Procedure to Remove Switch Box (Lid) Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step 1. Dismount the switch box (lid).
Procedure to Remove PCB Si281313E 3. Procedure to Remove PCB Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Dismount the switch box lid according to the removal procedure for the X27A X25A...
Si281313E Procedure to Remove Drain Pan 4. Procedure to Remove Drain Pan Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step 1. Inspect the drain pan. Drain pan inspection through Service lid the service port...
Procedure to Remove Fan Motor Si281313E 5. Procedure to Remove Fan Motor Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Dismount the backside plate and bottom plate Clamp Clamp according to the removal...
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Si281313E Procedure to Remove Fan Motor Step Procedure Points 3. Sliding the coupling Sliding the coupling (FBQ100 to 140 only) Coupling Coupling Loosen the 2 hexagon Hexagon socket socket head screws on head screws the coupling with a hexagonal wrench. Slide the coupling to the right-hand side.
Procedure to Remove Drain Pump and Float Switch Si281313E 6. Procedure to Remove Drain Pump and Float Switch Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Step Procedure Points 1.
Si281313E Procedure to Remove Thermistors 7. Procedure to Remove Thermistors Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step 1. Removal of suction air thermistor Dismount the backside plate according to the removal procedure for the drain pan.
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Revision History Month / Year Version Revised contents 06 / 2013 Si281313E First edition...
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Improper installation can result in water or refrigerant leakage, electrical shock, fire or explosion. Use only those parts and accessories supplied or specified by Daikin. Ask a qualified installer or contractor to install those parts and accessories. Use of unauthorised parts and accessories or improper installation of parts and accessories can result in water or refrigerant leakage, electrical shock, fire or explosion.