Periodic maintenance
It is a good practice to have a periodic maintenance for the mini chiller, especially on the
water side.
Check the water quality regularly. Drain out some water from the buffer tank and observe
for excessive impurities and rust. For open systems, this can be done from the reservoir
tank.
If the water is dirty (e.g. dark brown in colour), drain away the water and refill with clean
water.
It is recommended that the water to be replaced at least once a year to prevent fouling on the
BPHE. If the water quality is poor, this should be done more regularly. Close monitoring will be
required.
Section 9 Page 112
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