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7. Maintenance
The procedures to replace the functional components are shown in the following pages.
Since this product utilises a high-pressurised gas (CO2), those components contained in the
refrigerant circuit such as refrigerant pipes, heat exchanger, compressor, pressure switch, are not
subject for replacement.
1)
How to Replace Printed Circuit Board
2)
How to Replace Timer Setting Panel
3)
How to Replace Water Circulation Pump and its P14 O-Rings
4)
How to Replace Propeller Fan Blade and Fan Motor
5)
How to Replace Thermistors
6)
How to Replace Expansion Valve Coil
7)
How to Replace Drain Plugs and P3 O-Rings
8)
How to Replace Reactor
Sanden Heat Pump –– Service Technical Book
Page 15 of 48
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