100(108)
6.1 Open the Covers
1) Lift the top cover gently to open it. (Refer to the pictures below)
Picture 6-1：Open the Covers 1
2) Pull the bottom of side cover outward, and lift it to open. (Refer to the pictures
below)
Picture 6-2：Open the Covers 2
3) Open the cover of control box. Screw off two butterfly screws to unlock the
cover. (Refer to the pictures below)
Picture 6-3：Open the Covers 3
6.2 Y Type Strainer
1) Clean soft water should be used as cooling water. Filter screen is used in the
strainer to stop impurities and pollutants entering into water pipe.
2) Impurities or pollutants may cause errors and bad temperature control. Clean
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