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SDi Decades Extreme Service Manual www.ecoer.com
May. 2023Manufacturer reserves the right to change specifications or designs without notice.
8.7.21 PC 30 (High pressure protection diagnosis and solution)
Description: Outdoor pressure switch cut off the system because high pressure is higher than
4.4 MPa
Recommended parts to prepare:
• Connection wires
• Pressure switch
• Outdoor fan
• Outdoor main PCB
Troubleshooting and repair:
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