LG ACHH017VBAB Installation And Owner's Manual page 115

Water pipe side strainer
For the protection of the water cooling type product, make sure to install strainer of 50 Mesh or
more in the heat source water side pipe.
Otherwise, heat exchanger may be damaged by the following conditions.
1
The heat source water side in the plate type heat exchanger is formed by several small flow
paths.
2
If strainer of 50 Mesh or more is not used, foreign object may block some flow paths.
3
As a result of the heat exchanger damage by freeze burst, the refrigerant is mixed with the
heat source water and the product becomes unusable.
Foreign object
penetration
Heat source
water side
Due to our policy of continuous product innovation, some specifications may change without notification.
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WATER SYSTEM MAINTENANCE
Partial freezing in
progress
Refrigerant
side
Damage by freeze
and burst
115