Daikin EWYQ180DAYN [454/524] Suction washer

Daikin EWYQ230DAYN [454/524] Suction washer
Procedure for compressor replacement : Suction washer ESIE06-05
3–54 Part 3 – Troubleshooting
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The table below contains an overview of the compressor configuration and the used suction washer
(if needed) for the cooling only units.
The table below contains an overview of the compressor configuration and the used suction washer
for the heat pump unit.
Cooling only unit
Compressor Configuration Conclusion
SJ161-SJ161 No restriction
SJ180-SJ180 No restriction
SJ180-SJ240 Use a 31 mm restrictor on SJ 180
SJ240-SJ240 No restriction
SJ240-SJ300 Use a 31 mm restrictor on SJ 240
SJ300-SJ300 No restriction
Heat pump unit
Compressor Configuration Conclusion
SJ161-SJ161 Use a 27 mm restrictor on compressor positioned on the 4
way valve side.
SJ180-SJ180 Use a 31 mm restrictor on compressor positioned on the 4
way valve side.
SJ180-SJ240 Use a 31 mm restrictor on SJ180 compressor.
SJ240-SJ240 Use a 31 mm restrictor on compressor positioned on the 4
way valve side.
SJ240-SJ300 Use a 31 mm restrictor on SJ240 compressor.
SJ300-SJ300 Use a 31 mm restrictor on compressor positioned on the 4
way valve side.
Suction Washer

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