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8. Water system installation diagram
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1- Flexible joint
2- Pressure gauge
3- General water return sensor blind pipe(blind pipe.see figure A for the structure)
4- Thermometer(0-100℃)
5、 11、 15-Stop valve
6- Bypass valve
7- Check valve
When cycle water runs for the first time,close the inlet/outlet valve(No.5) and open the by-pass
valve(No.6).when water pump works for a while,clean the water strainer.after confirmed that
there is no impurity in the external cycle system,open inlet/outlet valve(No.5) and the by –pass
valve(No.6).Then,the unit is in normal operation.
Note:
After unit installation finished,master module chiller's gerneral water return sensor in the main
module must be fixed on the general water return pipe,Pay attention that a section of blind
pipe(8，L=6mm) be reserved for the installation of temp. sensor in site design and that the
insert length of blind pipe is 50mm.When installing the sensor,place the sensor beneath the
blind pipe and inject some refrigeration oil into the blind pipe.The level of refrigerant oil should
be at least 10mm over the sensor.To minimize heat transfer error,it is necessary to adopt heat
insulation measures.
terminals
8-Water pump
9- Water strainer
10- Electronic water cleaner
12-Auto discharge valve(highest point of water system)
13-Expansion tank
14-Water oulet vater
HAIER CHILLER
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drainage hole
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overflow hole
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