Related Manuals for Daikin 3 HP Series
Summary of Contents for Daikin 3 HP Series
- Page 1 Si281308 REMOVAL PROCEDURE S E R V I C E M A N U A L 3 HP Class Outdoor Unit Inverter Pair Type...
- Page 2 Service Manual Removal Procedure Outdoor Unit Applicable Models Heat Pump RZQ72KMV2C...
-
Page 3: Table Of Contents
Si281308 Table of Contents 1. Procedure to Remove Panels and Plates ..........2 2. Procedure to Remove Fan Motor / Propeller Fan ........6 3. Procedure to Remove El. Compo. Box ..........10 4. Procedure to Remove PCB..............15 5. Procedure to Remove Sound Blanket...........18 6. -
Page 4: Procedure To Remove Panels And Plates
Procedure to Remove Panels and Plates Si281308 1. Procedure to Remove Panels and Plates Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step 1. Remove the panels and plates. - Page 5 Si281308 Procedure to Remove Panels and Plates Step Procedure Points The front grille has 4 hooks. Slide the discharge grille upwards and remove it. Loosen the 6 screws of the front panel. Front panel Press the front panel and undo the hooks. Clamp plate Lift the clamp plate and remove it.
- Page 6 Procedure to Remove Panels and Plates Si281308 Step Procedure Points Undo the left side Lift the front panel and hooks, and then the remove it while pushing the right side hook. left side panel inwards. Remove the front panel. Lift the front panel and undo the right side hook.
- Page 7 Si281308 Procedure to Remove Panels and Plates Step Procedure Points 2. Remove the stop valve cover. Loosen the screw of the stop valve cover. Stop valve cover Pull down the stop valve cover to undo the hooks and remove it. The stop valve cover has 6 hooks.
-
Page 8: Procedure To Remove Fan Motor / Propeller Fan
Procedure to Remove Fan Motor / Propeller Fan Si281308 2. Procedure to Remove Fan Motor / Propeller Fan Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Remove the top panel and the front panel. - Page 9 Si281308 Procedure to Remove Fan Motor / Propeller Fan Step Procedure Points 2. Remove the fan motor. Disconnect the connector for fan motor (S70). Removal Procedure...
- Page 10 Procedure to Remove Fan Motor / Propeller Fan Si281308 Step Procedure Points The illustration shows arrangement of the fan motor lead wire. Fan motor lead wire Unscrew the washer- fitted nut (M10) of the propeller fan with a spanner. Propeller fan Align mark of the propeller fan with D-cut...
- Page 11 Si281308 Procedure to Remove Fan Motor / Propeller Fan Step Procedure Points Remove the 4 screws from the fan motor. Fan motor Pull the fan motor out. Put the lead wire through the back of the motor when reassembling (so as not to be entangled with the propeller fan).
-
Page 12: Procedure To Remove El. Compo. Box
Procedure to Remove El. Compo. Box Si281308 3. Procedure to Remove El. Compo. Box Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Remove the top panel and the front panel. - Page 13 Si281308 Procedure to Remove El. Compo. Box Step Procedure Points Disconnect the 2 earth wires. Earth wires Loosen the 3 screws of the right side panel. Right side panel Loosen the fixing screw of the el. compo. box. Removal Procedure...
- Page 14 Procedure to Remove El. Compo. Box Si281308 Step Procedure Points Insert the 2 hooks of the lower part and the 1 hook of the upper back when Hook reassembling. Hooks Disconnect the relay harness for fan motor. Disconnect the connectors of the front S40 S20 side.
- Page 15 Si281308 Procedure to Remove El. Compo. Box Step Procedure Points Disconnect the relaying wire connector for the compressor. Release the clamp by pliers. Release the clamp and undo the wire from the Clamp Hook hook. Removal Procedure...
- Page 16 Procedure to Remove El. Compo. Box Si281308 Step Procedure Points Lift the el. compo. box and remove it. El. compo. box Removal Procedure...
-
Page 17: Procedure To Remove Pcb
Si281308 Procedure to Remove PCB 4. 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 Remove the el. compo. box. 1. Remove the PCB. Disconnect the S102 connectors for the... - Page 18 Procedure to Remove PCB Si281308 Step Procedure Points Undo the hook on the right. Open the cable way board. Disconnect the 1: Black harnesses. 2: White 3: Red L1: Black L2: Brown N1: White N2: Blue 1 2 3 Disconnect the 2 harnesses for the HR1 HR2 reactor (HR1, HR2).
- Page 19 Si281308 Procedure to Remove PCB Step Procedure Points Loosen the 3 fixing screws for the main PCB. Undo the 4 hooks. Hooks Lift up and remove the PCB. Removal Procedure...
-
Page 20: Procedure To Remove Sound Blanket
Procedure to Remove Sound Blanket Si281308 5. Procedure to Remove Sound Blanket Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Remove the sound blanket (back). Sound blanket (back) - Page 21 Si281308 Procedure to Remove Sound Blanket Step Procedure Points Remove the sound Sound blanket blanket (top-lower). (top-lower) Remove the sound Since the piping ports on the blanket (inner). sound blanket (inner) are torn easily, remove the blanket carefully. Sound blanket (inner) Release the discharge Pay attention to the direction...
-
Page 22: Procedure To Remove Four Way Valve
Procedure to Remove Four Way Valve Si281308 6. Procedure to Remove Four Way Valve Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Loosen the screw of the Provide a protective sheet or four way valve coil. -
Page 23: Procedure To Remove Electronic Expansion Valve
Si281308 Procedure to Remove Electronic Expansion Valve 7. Procedure to Remove Electronic Expansion Valve Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Remove the electronic expansion valve coil. - Page 24 Procedure to Remove Electronic Expansion Valve Si281308 Step Procedure Points Before working, Caution make sure that the Be careful about the refrigerant is empty electronic expansion valve, in the circuit. pipes and so on, which were Heat up the 2 brazed Electronic expansion valve heated up by a gas brazing parts of the electronic...
-
Page 25: Procedure To Remove Compressor
Si281308 Procedure to Remove Compressor 8. Procedure to Remove Compressor Procedure Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Procedure Points Step Remove the terminal cover. Terminal cover Disconnect the lead Be careful so as not to burn wires of the the compressor terminals or... - Page 26 Procedure to Remove Compressor Si281308 Step Procedure Points Release the clamp by pliers to detach the wire harness for the compressor. Remove the putty. Before working, make sure that the refrigerant is empty in the circuit. Be sure to apply nitrogen replacement when heating up the...
- Page 27 Si281308 Procedure to Remove Compressor Step Procedure Points Unscrew the nut of the compressor. Before working, Warning make sure that the Ventilate when refrigerant refrigerant is empty leaks during the work. in the circuit. (If refrigerant contacts fire, it Be sure to apply will cause to arise toxic gas.) nitrogen replacement when...
- Page 28 Revision History Month / Year Version Revised contents 01 / 2013 Si281308 First edition...
- Page 29 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.