

The Daikin Outdoor Heat Pump RXS60F3V1B is a high-efficiency HVAC solution designed for residential and commercial applications. This model offers reliable heating and cooling performance, ensuring optimal comfort while minimizing energy consumption. Regular maintenance is essential for longevity and efficiency.
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Daikin Outdoor Heat Pump RXS60F3V1B
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Electronic Expansion Valve Check
EV connector correctly connected to the PCB
EV generates latching sound when power is turned off and on
Continuity confirmed when connector is disconnected and checked with a tester
Check the continuity between the pins
EV coil is not faulty
Outdoor unit PCB is not faulty
Note: The latching sound varies depending on the valve type.
Sign off on the electronic expansion valve check
Outer Panel Removal
Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work.
1. Remove the panels.
1 Remove the 4 screws and lift the top panel.
Take care not to cut your finger by the fins of the outdoor heat exchanger.
2 Remove the 4 screws and remove the discharge grille.
Slide the discharge grille upwards and remove it.
The discharge grille has 4 hooks.
3 Remove the 6 screws of the front panel.
4 Push the front panel and lift the shield plate to unfasten the hooks.
Electronic Expansion Valve Removal
Warning: Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work.
Pull out the electronic expansion valve coil.
Remove the sheets of putty.
Warning: Be careful not to get yourself burnt with the pipes and other parts that are heated by the gas brazing machine.
Warning: If the refrigerant gas leaks during work, ventilate the room. (If the refrigerant gas is exposed to flames, toxic gas may be generated.)
Caution: From the viewpoint of global environment protection, do not discharge the refrigerant gas in the atmosphere. Make sure to collect all the refrigerant gas.
Before working, make sure that the refrigerant gas is empty in the circuit.
Be sure to apply nitrogen replacement when heating up the brazed part.
Heat up the 2 brazed parts of the electronic expansion valve and remove it.
Compressor Removal
Warning: Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work.
Remove the terminal cover.
Disconnect the lead wires of the compressor.
Release the clamp with pliers to detach the compressor lead wires.
Remove the putty.
Warning: Be careful not to get yourself burnt with the pipes and other parts that are heated by the gas brazing machine.
Warning: If the refrigerant gas leaks during work, ventilate the room. (If the refrigerant gas is exposed to flames, toxic gas may be generated.)
Warning: Since it may happen that the refrigerant oil in the compressor catches fire, prepare wet cloth so as to extinguish fire immediately.
Caution: From the viewpoint of global environment protection, do not discharge the refrigerant gas in the atmosphere. Make sure to collect all the refrigerant gas.
Power Module Check
Warning: Ensure that the voltage between (+) and (–) of the diode bridge (DB1) is approx. 0 V before proceeding.
Voltage between (+) and (–) of the diode bridge (DB1) is approx. 0 V?
Disconnect the compressor harness connector from the outdoor unit PCB. To disengage the connector, press the protrusion on the connector.
Compressor harness connector successfully disconnected?
Measure resistance between the terminals of the DB1 and the terminals of the compressor with a multi-tester.
Enter the resistance measurement
Is the resistance measurement within the acceptable range?
Sign off on the power module check
Access the parts list for your equipment in MaintainX.
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